COLOR SCANNING SONAR
FSV-84
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The paper used in this manual
is elemental chlorine free.
FURUNO Authorized Distributor/Dealer
9-52 Ashihara-cho,
Nishinomiya 662-8580, JAPAN
Telephone : 0798-65-2111
Fax
0798-65-4200
:
FIRST EDITION : SEP. 2006
Printed in Japan
All rights reserved.
B
: FEB. 20, 2007
Pub. No. OME-13290
( DAMI )
FSV-84
*00015742711*
*00015742711*
* 0 0 0 1 5 7 4 2 7 1 1 *
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IMPORTANT NOTICES
• This manual is intended for use by native speakers of English.
• No part of this manual may be copied or reproduced without written permission.
• If this manual is lost or worn, contact your dealer about replacement.
• The contents of this manual and equipment specifications are subject to change without
notice.
• The example screens (or illustrations) shown in this manual may not match the screens
you see on your display. The screen you see depends on your system configuration and
equipment settings.
• Store this manual in a convenient place for future reference.
• FURUNO will assume no responsibility for the damage caused by improper use or
modification of the equipment (including software) by an unauthorized agent or a third
party.
• When it is time to discard this product it must be done according to local regulations for
disposal of industrial waste. For disposal in the USA, refer to the Electronics Industries
Alliance (http://www.eiae.org/).
i
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SAFETY INSTRUCTIONS
SAFETY INSTRUCTIONS
The operator of this equipment must read the safety instructions before attempting to operate
the equipment.
Indicates a hazardous situation which, if not avoided, will result in
DANGER
WARNING
CAUTION
death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
may result in minor or moderate injury.
Warning, Caution
Mandatory Action
Prohibitive Action
WARNING
Do not disassemble or modify the
equipment.
DANGER
Keep away from raise/ower
shaft in hull unit when it is
moving.
Fire, electrical shock or serious injury can
result.
Gears in hull unit will cause seriou
injury.
Do not install the equipment where it
may be subject to rain or water splash.
Fire or electrical shock can result if water
leaks in the equipment.
WARNING
Do not open the equipment.
Use the proper fuse.
Only qualified personnel should work
inside the equipment.
Use of a wrong fuse can result in damage
to the equipment or cause fire.
Immediately turn off the power at the
switchboard if water leaks into the
equipment or something is dropped
into the equipment.
Do not operate the equipment with
wet hands.
Electrical shock may result.
Continued use of the equipment can cause
fire or electrical shock. Contact a FURUNO
agent for service.
Do not place liquid-filled containers on
the top of the equipment.
Fire or electrical shock can result if a liquid
spills into the equipment.
Immediately turn off the power at the
switchboard if the equipment is emitting
smoke or fire.
Turn off the power immediately
if you feel the equipment is behaving
abnormally.
Continued use of the equipment can cause
fire or electrical shock. Contact a FURUNO
agent for service.
Turn off the power at the switchboard if
the equipment becomes abnormally warm
or is emitting odd noises. Contact a
FURUNO dealer or agent for advice.
ii
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SAFETY INSTRUCTIONS
CAUTION
CAUTION
Maximum speed while the transducer is
projected and being raised or lowered
is as below, to prevent damage to the
transducer.
Observe the following precautions when
using industrial use lubricant.
Precautions
Q
Keep lubricant away from eyes. Wear protective
goggles when working with the lubricant.
The lubricant can cause inflammation of the eyes.
Do not touch the lubricant. Wear protective gloves
when working with the lubricant. The lubricant can
cause inflammation of the skin.
Projected Raising/
Lowering
Q
800 mm stroke Max. 18 kt Max. 15 kt
1100 mm stroke Max. 18 kt Max. 15 kt
Q
Q
Do not ingest the lubricant. Diarrhea and vomiting
may result.
Keep the lubricant out of reach of children.
Replace anticorrosion zinc plate yearly.
Emergency procedures
Q
If the lubricant enters eyes, flush with clean water
about 15 minutes. Consult a physician.
If the lubricant contacts skin, flush area with clean
water.
Corrosion between the main shaft and
transducer may result if not replaced, allowing
water leakage and/or loss of transducer.
Q
Q
If the lubricant is ingested, see a physician
immediately.
Disposal of lubricant and its container
Dispose of the lubricant and its container in accord-
ance with local regulations. If you are unclear about
the disposal procedure, contact a FURUNO agent or
dealer for advice.
WARNING LABELS
Warning labels are attached to the units of the system. Do not remove the labels.
If a label is missing or damaged, contact a FURUNO agent or dealer about replacement.
DANGER
DANGER
Electrical shock hazard.
Keep fingers away
from gears.
Shaft may cause injury.
Keep away froom
moving shaft.
Do not remove cover.
No user-serviceable parts inside.
Turn off power before servicing.
And wait until charge lamp (green)
goes off and then remove cover.
Name: Warning Label
Type: 10-071-5313
Code No.: 100-291-160
Name: Warning Label
Type: 10-079-6144
Code No.: 100-310-880
WARNING
To avoid electrical shock, do not
remove cover. No user-serviceable
parts inside.
WARNING
To avoid electrical shock,
do not remove cover.
No user-serviceable parts
inside.
Name: Warning Label (2)
Type: 03-129-1001-1
Code No.: 100-236-741
Name: Warning Label (1)
Type: 86-003-1011-1
Code No.: 100-236-231
iii
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SAFETY INSTRUCTIONS
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TABLE OF CONTENTS
FOREWORD ..........................................................................................................xi
SYSTEM CONFIGURATION................................................................................xiii
1. OPERATIONAL OVERVIEW .........................................................................1-1
1.1
1.2
Control Description ................................................................................................1-1
Turning the Power On/Off......................................................................................1-2
1.2.1 Turning the power on ...................................................................................1-2
1.2.2 Turning the power off ...................................................................................1-2
Lowering, Raising the Transducer.........................................................................1-3
1.3.1 Lowering the transducer...............................................................................1-3
1.3.2 Raising the transducer.................................................................................1-3
Screen Brilliance....................................................................................................1-3
Control Panel Dimmer ...........................................................................................1-4
Display Mode, Display Division .............................................................................1-6
1.6.1 Selecting a display mode .............................................................................1-6
1.6.2 Sample display mode pictures .....................................................................1-7
Adjusting the Gain................................................................................................1-13
Menu Overview....................................................................................................1-14
1.3
1.4
1.5
1.6
1.7
1.8
2. HORIZONTAL MODE ....................................................................................2-1
2.1
2.2
Basic Operating Procedure ...................................................................................2-1
Indications and Marks............................................................................................2-2
2.2.1 Horizontal mode...........................................................................................2-2
2.2.2 Horizontal2 mode.........................................................................................2-3
Display Range........................................................................................................2-7
Tilt Angle.................................................................................................................2-8
2.4.1 Setting the tilt angle .....................................................................................2-8
2.4.2 Automatic tilt ................................................................................................2-9
2.4.3 Relation between bottom echo and tilt angle.............................................. 2-11
2.4.4 Tilt angle for surface fish............................................................................2-12
2.4.5 Suitable tilt angle........................................................................................2-13
Measuring Range and Bearing to a Target .........................................................2-14
Eliminating Weak Echoes....................................................................................2-15
Suppressing Bottom Tail......................................................................................2-17
2.7.1 Adjust AGC................................................................................................2-17
2.7.2 Decrease pulse length ...............................................................................2-18
2.7.3 Adjust 2nd AGC...........................................................................................2-18
2.7.4 Adjust Near AGC........................................................................................2-19
Suppressing Bottom and Sea Surface Reflections in Shallow Waters ..............2-20
Rejecting Sonar Interference and Noise.............................................................2-21
2.9.1 Identifying noise source .............................................................................2-21
2.9.2 Interference rejector...................................................................................2-21
2.9.3 Changing Tx interval..................................................................................2-22
2.9.4 Shifting Tx frequency .................................................................................2-22
2.9.5 Noise limiter...............................................................................................2-23
2.3
2.4
2.5
2.6
2.7
2.8
2.9
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SAFETY INSTRUCTIONS
2.9.6 Echo average............................................................................................ 2-23
2.9.7 Reverberation reduction ............................................................................ 2-23
2.9.8 Setting reference bearing for frequency change ........................................ 2-23
2.9.9 Suppressing gain of bottom echo .............................................................. 2-23
2.9.10 Sidelobe suppression............................................................................... 2-24
2.10 Adjusting Beamwidth...........................................................................................2-25
2.11 Tracking a Fish School (target lock) ...................................................................2-26
2.11.1 Selecting target lock type......................................................................... 2-26
2.11.2 Fish school tracking mode ....................................................................... 2-27
2.11.3 Position tracking mode............................................................................. 2-28
2.11.4 TARGET LOCK menu.............................................................................. 2-29
2.12 Detecting Fish Schools Aurally ...........................................................................2-30
2.12.1 Selecting direction ................................................................................... 2-30
2.12.2 Selecting audio sector ............................................................................. 2-31
2.12.3 Automatic training.................................................................................... 2-32
2.12.4 Reverberation.......................................................................................... 2-32
2.13 Presentation Mode ..............................................................................................2-33
2.13.1 Presentation mode description ................................................................ 2-33
2.13.2 How to select a presentation mode.......................................................... 2-34
2.14 Fish Alarm............................................................................................................2-35
2.15 Relocating Fish School for Easy Observation....................................................2-37
2.16 Comparing Fish School Concentration...............................................................2-38
2.17 Measuring Fish School Speed ............................................................................2-39
2.17.1 Entering fish marks.................................................................................. 2-39
2.17.2 Deleting fish marks.................................................................................. 2-40
2.18 Event Mark, Own Ship Position Mark .................................................................2-41
2.18.1 Entering an event mark............................................................................ 2-41
2.18.2 Entering an own ship position mark......................................................... 2-42
2.18.3 Deleting an event mark, own ship position mark...................................... 2-42
2.19 Net Course Mark .................................................................................................2-44
2.20 Observing Net Behavior......................................................................................2-45
2.21 Storing, Recalling Picture....................................................................................2-46
2.21.1 Storing the picture.................................................................................... 2-46
2.21.2 Recalling stored picture........................................................................... 2-46
2.22 OTHERS Menu....................................................................................................2-47
2.22.1 Displaying the OTHERS menu ................................................................ 2-47
2.22.2 OTHERS menu description ..................................................................... 2-48
2.23 Interpreting the Horizontal Display......................................................................2-51
2.23.1 Bottom echoes ........................................................................................ 2-51
2.23.2 Fish schools ............................................................................................ 2-52
2.23.3 Sea surface reflections............................................................................ 2-53
2.23.4 Wake....................................................................................................... 2-53
2.23.5 Sidelobe echoes (false echoes)............................................................... 2-54
2.23.6 Noise and interference............................................................................. 2-54
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TABLE OF CONTENTS
3. VERTICAL MODE..........................................................................................3-1
3.1
3.2
Basic Operating Procedure ...................................................................................3-1
Vertical Mode Concept...........................................................................................3-2
3.2.1 Overview......................................................................................................3-2
3.2.2 Setting the vertical display ...........................................................................3-2
Vertical Mode Indications and Marks.....................................................................3-3
3.3.1 Typical vertical display .................................................................................3-3
3.3.2 Vertical bearing mark, tilt mark.....................................................................3-4
3.3.3 Trackball mark position reference mark........................................................3-5
Auto Train...............................................................................................................3-5
Display Range........................................................................................................3-6
Measuring the Range ............................................................................................3-6
Eliminating Weak Echoes......................................................................................3-7
Suppressing Bottom Tail......................................................................................3-10
3.8.1 Adjust AGC................................................................................................3-10
3.8.2 Decrease pulse length ...............................................................................3-10
3.8.3 Adjust 2nd AGC........................................................................................... 3-11
3.8.4 Adjust Near AGC........................................................................................ 3-11
Rejecting Interference and Noise........................................................................3-12
3.9.1 Identifying noise source .............................................................................3-12
3.9.2 Interference rejector...................................................................................3-12
3.9.3 Noise limiter...............................................................................................3-13
3.9.4 Shifting Tx frequency .................................................................................3-13
3.9.5 Echo average.............................................................................................3-13
3.9.6 Reverberation reduction.............................................................................3-13
3.9.7 Suppressing gain of bottom echo...............................................................3-14
3.9.8 Suppressing sidelobes...............................................................................3-14
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10 Adjusting Beamwidth ...........................................................................................3-15
3.11 Vertical Expansion Display ..................................................................................3-16
3.12 OTHERS Menu....................................................................................................3-17
3.12.1 Displaying the OTHERS menu.................................................................3-17
3.12.2 OTHERS menu description......................................................................3-18
3.13 Application to Bonito and Tuna Fishing...............................................................3-21
3.13.1 Searching.................................................................................................3-21
3.13.2 Tracking...................................................................................................3-21
3.13.3 Approaching.............................................................................................3-21
3.13.4 Catching...................................................................................................3-22
4. SLANT MODE................................................................................................4-1
4.1
4.2
Basic Operating Procedure ...................................................................................4-1
Indications and Marks............................................................................................4-2
4.2.1 Slant mode single display ............................................................................4-2
4.2.2 Slant mode combination display...................................................................4-3
Display Range........................................................................................................4-7
Tilt Angle.................................................................................................................4-8
4.4.1 Setting the tilt angle .....................................................................................4-8
4.4.2 Automatic tilt ................................................................................................4-9
Auto Training........................................................................................................4-11
4.3
4.4
4.5
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SAFETY INSTRUCTIONS
4.6
4.7
4.8
Measuring Range and Bearing to a Target......................................................... 4-11
Eliminating Weak Echoes....................................................................................4-12
Suppressing Bottom Tail......................................................................................4-14
4.8.1 Adjust AGC................................................................................................ 4-14
4.8.2 Decrease pulse length............................................................................... 4-15
4.8.3 Adjust 2nd AGC .......................................................................................... 4-15
4.8.4 Adjust Near AGC....................................................................................... 4-16
Suppressing Bottom and Sea Surface Reflections in Shallow Waters..............4-17
4.9
4.10 Rejecting Sonar Interference and Noise.............................................................4-18
4.10.1 Identifying noise source........................................................................... 4-18
4.10.2 Interference rejector ................................................................................ 4-18
4.10.3 Changing Tx interval................................................................................ 4-19
4.10.4 Shifting TX frequency............................................................................. 4-19
4.10.5 Noise limiter............................................................................................. 4-20
4.10.6 Echo average .......................................................................................... 4-20
4.10.7 Reverberation reduction .......................................................................... 4-20
4.10.8 Suppressing gain of bottom echo ............................................................ 4-20
4.10.9 Suppressing sidelobes............................................................................. 4-20
4.11 Adjusting Beamwidth...........................................................................................4-21
4.12 Tracking a Fish School (target lock) ...................................................................4-22
4.12.1 Selecting target lock type......................................................................... 4-22
4.12.2 Fish school tracking mode....................................................................... 4-23
4.12.3 Position tracking mode ............................................................................ 4-24
4.12.4 TARGET LOCK menu.............................................................................. 4-25
4.13 Detecting Fish Schools Aurally ...........................................................................4-26
4.13.1 Selecting direction ................................................................................... 4-26
4.13.2 Selecting audio sector ............................................................................. 4-27
4.13.3 Reverberation.......................................................................................... 4-27
4.14 Offcenter ..............................................................................................................4-28
4.14.1 Manual offcenter...................................................................................... 4-28
4.14.2 Automatic offcenter.................................................................................. 4-29
4.15 Fish Alarm............................................................................................................4-30
4.16 Comparing Fish School Concentration...............................................................4-32
4.17 Measuring Fish School Speed ............................................................................4-33
4.17.1 Entering fish marks.................................................................................. 4-33
4.17.2 Deleting fish marks.................................................................................. 4-34
4.18 Event Mark, Own Ship Position Mark .................................................................4-35
4.18.1 Entering an event mark............................................................................ 4-35
4.18.2 Entering an own ship position mark......................................................... 4-36
4.18.3 Deleting an event mark, own ship position mark...................................... 4-36
4.19 Net Course Mark .................................................................................................4-38
4.20 Observing Net Behavior......................................................................................4-39
4.21 OTHERS Menu....................................................................................................4-40
4.21.1 Displaying the OTHERS menu ................................................................ 4-40
4.21.2 OTHERS menu description ..................................................................... 4-41
4.22 Interpreting the Slant Display..............................................................................4-44
4.22.1 Bottom echoes ........................................................................................ 4-44
4.22.2 Fish schools ............................................................................................ 4-45
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TABLE OF CONTENTS
4.22.3 Sea surface reflections.............................................................................4-46
4.22.4 Wake........................................................................................................4-46
4.22.5 False echo by sidelobe ............................................................................4-47
4.22.6 Noise and interference.............................................................................4-47
5. ECHO SOUNDER MODE ..............................................................................5-1
5.1
5.2
Basic Operating Procedure ...................................................................................5-1
Typical Echo Sounder Displays.............................................................................5-2
5.2.1 Echo sounder 1 display................................................................................5-2
5.2.2 Echo sounder 2 (net recorder or echo sounder) display...............................5-3
5.2.3 Echo sounder combination mode (ES1 + ES2) ............................................5-4
Selecting an Echo Sounder Mode.........................................................................5-6
Selecting Display Range........................................................................................5-8
Adjusting the Gain................................................................................................5-10
Picture Advance Speed........................................................................................5-11
Measuring Depth, Distance .................................................................................5-12
Comparing Fish School Concentration ...............................................................5-13
ES1 SETTING Menu Overview...........................................................................5-15
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10 ES2 SETTING Menu Overview...........................................................................5-16
6. HISTORY MODE............................................................................................6-1
6.1
6.2
6.3
Basic Operating Procedure ...................................................................................6-1
Sample History Display..........................................................................................6-2
How to Interpret, Set the History Display ..............................................................6-3
6.3.1 Interpreting the history display .....................................................................6-3
6.3.2 Setting the history marker ............................................................................6-4
6.3.3 Setting the width of the history marker .........................................................6-5
6.3.4 Setting the picture advance mode................................................................6-6
7. NUMERIC/GRAPHIC DATA DISPLAY ..........................................................7-1
7.1
7.2
7.3
Full Numeric/Graphic Data Display .......................................................................7-1
Abbreviated Numeric/Graphic Data Display .........................................................7-2
Numeric/Graphic Data Description........................................................................7-3
8. CUSTOMIZING THE EQUIPMENT................................................................8-1
8.1
User Menu..............................................................................................................8-1
8.1.1 Deleting items from user menu ....................................................................8-1
8.1.2 Programming the user menu........................................................................8-2
Function Keys (F1-F6)...........................................................................................8-4
8.2.1 Executing a function.....................................................................................8-4
8.2.2 Programming function keys..........................................................................8-6
8.2.3 Erasing programs.........................................................................................8-7
USER PROG Control.............................................................................................8-8
8.3.1 Selecting a user program.............................................................................8-8
8.3.2 Programming the USER PROG control........................................................8-8
8.2
8.3
9. OTHERS MENU.............................................................................................9-1
9.1
9.2
ERASE MARKS menu...........................................................................................9-1
DISPLAY SETTING menu .....................................................................................9-2
9.2.1 Opening the DISPLAY SETTING menu........................................................9-2
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SAFETY INSTRUCTIONS
9.2.2 DISPLAY SETTING menu description ......................................................... 9-2
9.3
9.4
9.5
ALARM & AUDIO menu ........................................................................................9-4
9.3.1 Opening the ALARM & AUDIO menu........................................................... 9-4
9.3.2 ALARM & AUDIO menu description............................................................. 9-4
PRESET, MEMORY CARD menu.........................................................................9-5
9.4.1 Opening the PRESET, MEMORY CARD menu............................................ 9-5
9.4.2 PRESET, MEMORY CARD menu description.............................................. 9-5
INITIAL SETTING menu........................................................................................9-6
9.5.1 Opening the INITIAL SETTING menu.......................................................... 9-6
9.5.2 INITIAL SETTING menu description............................................................ 9-6
10. MEMORY CARD OPERATIONS .................................................................10-1
10.1 Storing Image, Configuration...............................................................................10-1
10.2 Loading, Deleting Files........................................................................................10-3
10.3 Formatting Memory Cards ..................................................................................10-4
11. MAINTENANCE, TROUBLESHOOTING ....................................................11-1
11.1 Preventive Maintenance...................................................................................... 11-1
11.2 Hull Unit Maintenance ......................................................................................... 11-2
11.3 Fuse Replacement .............................................................................................. 11-3
11.4 Troubleshooting................................................................................................... 11-4
11.5 Warning Messages.............................................................................................. 11-5
11.6 Error Codes ......................................................................................................... 11-6
11.7 Status Messages................................................................................................. 11-7
11.8 Tests..................................................................................................................... 11-7
11.8.1 TEST menu...............................................................................................11-7
11.8.2 Board test .................................................................................................11-8
11.8.3 Panel test................................................................................................11-10
11.8.4 Test pattern.............................................................................................11-11
11.8.5 Rx test (For service technician)...............................................................11-12
11.8.6 Noise test (For service technician)..........................................................11-12
11.9 Raising the Transducer from the Hull Unit........................................................ 11-13
11.9.1 Raising the transducer automatically ......................................................11-13
11.9.2 Raising the transducer manually.............................................................11-14
MENU TREE......................................................................................................AP-1
SPECIFICATIONS.............................................................................................SP-1
INDEX.................................................................................................................IN-1
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FOREWORD
A Word to the Owner of the FURUNO FSV-84
Congratulations on your choice of the FURUNO FSV-84 Color Scanning Sonar.
We are confident you will see why the FURUNO name has become synonymous
with quality and reliability.
For over 50 years FURUNO Electric Company has enjoyed an enviable
reputation for quality marine electronics equipment. This dedication to
excellence is furthered by our extensive global network of agents and dealers.
This equipment is designed and constructed to meet the rigorous demands of
the marine environment. However, no machine can perform its intended function
unless operated and maintained properly. Please carefully read and follow the
recommended procedures for operation and maintenance.
Thank you for considering and purchasing FURUNO equipment.
Features
The FSV-84 is a full-circle, multibeam electronic color scanning sonar which
detects and displays fish schools on a 21-inch non-glare, high-resolution color
monitor. (System also available without monitor.)
The main features of the FSV-84 are
• Cylindrical + sphere transducer provides 90 degrees vertical detection.
• Vivid 32-color echo strength dependent display for improved recognition of
bottom, fish school concentration, distribution and volume.
• Fish schools can be searched from horizontal (range direction), vertical (depth
direction) with vertical and half-circle features.
• Function keys for direct access to desired menu item.
• User programs for one-touch setup of equipment.
• Menu-driven operation.
• Fish histogram shows signal strength distribution of echo within estimate
mark.
• Various marks and alphanumeric fishing and navigation information for
intuitive operation.
• Memory cards for storage and replay of picture and settings.
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FOREWORD
• Audio function allows monitoring of echoes along user-selected area through
built-in loudspeaker.
• Fish mark estimates fish speed.
• Fish estimate feature compares volume of two fish schools.
• Target lock automatically tracks fish school.
• Net course mark shows probable drift of net against tide.
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SYSTEM CONFIGURATION
System with locally supplied monitor
CONTROL UNIT
FSV-8401
External
Monitor
External equipment
Option
AD Converter
AD-100
CONTROL UNIT
FSV-8401
Speed Log
Loudspeaker
Current
Indicator
Speed Log
Echo Sounder,
Current Indicator,
other
E/S Interface
VI-1100A
PROCESOR UNIT
FSV-8402
Navigator 1
Navigator 2
Net Recorder
VI-1100A
Net Sonde
Junction Box
CS-170
VI-1100A
External
Interface CS-120A
(Note 1)
Net Sonde
220 VAC,
3φ, 50/60 Hz
100-115/
220-230 VAC,
1φ, 50/60 Hz
HULL UNIT
FSV-8432
FSV-8442
TRANSCEIVER UNIT
FSV-841A
Satellite
Compass
SC-50/110
100/110/115/
220/230 VAC,
1φ, 50/60 Hz
Note 1: Power Kit (option, installed in
processor unit) required to connect CS-120A.
Blackbox type configuration
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SYSTEM CONFIGURATION
System with FURUNO monitor
CONTROL UNIT
FSV-8401
MONITOR
UNIT
FSV-2400
External equipment
Option
AD Converter
AD-100
CONTROL UNIT
FSV-8401
Speed Log
Loudspeaker
Sub Monitor
Current
Indicator
Speed Log
Echo Sounder,
Current Indicator,
other
E/S Interface
VI-1100A
PROCESSOR UNIT
FSV-8402
Navigator 1
Navigator 2
Net Recorder
VI-1100A
E/S Interface
VI-1100A
Net Sonde
Junction Box
CS-170
External
Interface CS-120A
(Note 1)
Net Sonde
100-115/
220-230 VAC,
1φ, 50/60 Hz
220 VAC,
3φ, 50/60 Hz
HULL UNIT
FSV-8432
FSV-8442
TRANSCEIVER UNIT
FSV-841A
Satellite
Compass
SC-50/110
100/110/115/
220/230 VAC,
1φ, 50/60 Hz
Note 1: Power Kit (option, installed in
processor unit) required to connect CS-120A.
Standard type configuration
xiv
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1. OPERATIONAL OVERVIEW
1.1 Control Description
Note that the [AUDIO] control is not operative from the 2nd control unit when two
control units are installed.
Automatic transducer train width
on audio bearing mark (horizontal
mode), vertical bearing mark
Adjusts volume of internal
(vertical mode).
and external (option) loudspeaker.
Off→ 12°→ 24°→ 36°→Off
Adjusts display brilliance
(supplied monitor only).
In vertical combination mode
switches between normal
and expansion display.
Raise, lower the transducer.
: Raises the transducer.
: Lowers the transducer
(mid protrusion).
Adjusts receiver
sensitivity (hori-
zontal and ver-
tical modes).
Displays range
: Lowers the transducer
(full protrusion).
and audio bearing marks
to monitor echoes along
audio bearing mark
(horizontal mode).
Selects display
range (horizontal
and vertical modes).
Turns power off.
Turns power on.
Selects display
mode.
FSV-84
V1/S
HSV
Deletes
Selects user
program.
Trackball
• Positions trackball
mark.
• Selects items,
options on menu.
Sets transducer
tilt angle
(horizontal
mode).
trackball-
selected
mark.
Opens, closes menu.
Execute assigned
program.
Selects mode (horizontal 1/
horizontal 2, or horizontal/
vertical, horizontal/half-circle)
for which to adjust sensitivity,
select range.
Off centers the picture.
SHOOT:
Displays net data.
EVENT:
Inscribes event mark,
own ship position mark.
ESTIMATE 1, 2: Compares volume of
two fish schools.
TARGET LOCK: Tracks fish school.
FISH:
Measures speed of
fish school.
Control unit
1-1
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1. OPERATIONAL OVERVIEW
1.2
Turning the Power On/Off
1.2.1
Turning the power on
Press the POWER ON (|) switch. A beep sounds, the lamp above the switch
lights, and the last-used mode is presented.
1.2.2
Turning the power off
1. First retract the transducer with the [ ] key. The lamp above the switch blinks
while the transducer is being raised and lights steadily when it is fully raised.
Note: While raising the transducer, the ship speed must be no more than 15
kts to prevent damage to the transducer and hull unit.
2. Press the POWER OFF ( ) switch for more than one second, after the [ ]
key lights steadily.
Note: The transducer is automatically retracted into the tank if the POWER
OFF ( ) switch is pressed before retracting the transducer. However,
for safety purposes, make it a habit to retract the transducer before
turning off the power.
POWER
TRANSDUCER
POWER OFF
switch
Full protrusion key
Mid protrusion key
Retraction key
POWER ON switch
POWER & TRANSDUCER controls
1-2
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1. OPERATIONAL OVERVIEW
1.3 Lowering, Raising the Transducer
CAUTION
Maximum speed while the transducer is
projected and being raised or lowered
is as below, to prevent damage to the
transducer.
Projected Raising/
Lowering
800 mm stroke Max. 18 kt Max. 15 kt
1100 mm stroke Max. 18 kt Max. 15 kt
1.3.1
Lowering the transducer
With the boat at the fishing ground, press the [ ] or [ ] key. The lamp above the
key pressed blinks during lowering and lights when the transducer is completely
lowered to selected protrusion distance. It takes about 21 seconds for full
protrusion in case of 800 mm stroke and 28 seconds in case of 1100 mm stroke.
In normal use fully lower the transducer. If the transducer becomes entangled in
the net for some reason, partially raise the transducer with the [ ] key. This
raises the transducer by 400 mm.
1.3.2
Raising the transducer
Press the [ ] key to raise the transducer. The lamp above the switch blinks while
the transducer is being raised and lights steadily when it is fully raised.
1.4 Screen Brilliance
The [BRILLIANCE] control adjusts screen brilliance. Adjust it to suit lighting
conditions.
Note: The brilliance of an external monitor cannot be adjusted with the
[BRILLIANCE] control. Use the associated control on the monitor.
1-3
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1. OPERATIONAL OVERVIEW
1.5
Control Panel Dimmer
The dimmer for the control panel may be adjusted on the DISPLAY SETTING
menu as below.
1. Press the [MENU] key to open the main menu.
MENU
QUIT
TX PULSE LENGTH-H : 9
TX POWER-H
TVG-NEAR-H
TVG-MEDIUM-H
TVG-FAR-H
: 9
: 0
: 0
: 0
AGC-H
: 0
2ND AGC-H
ECHO AVERAGE-H
COLOR-H
: 0
: 0
: COLOR 1
COLOR RESPONSE-H : COLOR CURVE 3
H-SCAN SETTING...
V-SCAN SETTING...
OTHERS...
Main menu (default)
2. Use the trackball to select OTHERS and press the [MENU] key.
MENU
QUIT
QUIT
OTHERS
ES1 SETTING...
ES2 SETTING...
ERASE MARKS...
DISPLAY SETTING...
ALARM & AUDIO...
PRESET, MEMORY CARD...
INITIAL SETTING...
OTHERS menu
1-4
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1. OPERATIONAL OVERVIEW
3. Use the trackball to select DISPLAY SETTING and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
DISPLAY SETTING
DISPLAY MODE...
MODE SELECTION
TX/RX MODE
: MODE KEY
: ALTERNATIVE
: LANDSCAPE
H2/S DISPLAY
PRESENTATION MODE : HEAD UP
TM DISPLAY RANGE
BEARING REF
TILT LEVER
: 1.6R
: SHIP HEADING
: TILT
S AUTO OFF CENTER : OFF
H-SLICE WIDTH
H-SLICE PICT ADVC
NET COURSE MARK
MANUAL DEGAUSS
AUTO DEGAUSS
DIMMER
: 16
: KP SYNC
: ENTER
: EXECUTE
: INT SENSOR
: 10
KEY BEEP VOLUME
: 5
DISPLAY SETTING menu
4. Select DIMMER with the trackball and press the [MENU] key to open the
dialog box.
DIALOG BOX FOR SETTING NUMERIC DATA
Select (raise setting) or (lower setting) with
the trackball and press [MENU] key to change
setting. Select QUIT to finish; CANCEL to cancel
operation.
QUIT
CANCEL
Dialog box for setting numeric value
5. Select S (raise setting) or T (lower setting) with the trackball.
6. Press the [MENU] key to change the setting.
7. Select QUIT with the trackball and press the [MENU] key.
8. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
1-5
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1. OPERATIONAL OVERVIEW
1.6 Display Mode, Display Division
This sonar provides a total of ten display mode selections: Horizontal,
Horizontal2, S, S combination, Vertical1, Vertical1, Vertical2, Vertical1 + ES1
(echo sounder), Vertical 1 + ES2 (net recorder), History, ES1, ES2, and ES1 +
ES2. The user may preset as many modes as desired and select one with the
[MODE] key.
1.6.1
Selecting a display mode
Press the [MODE] key several times until the desired display appears. The
default modes are Horizontal, Horizontal1 + Horizontal2, Vertical1, Vertical 1 +
Vertical 2, and History. You can program the [MODE] key to show any or all of
the modes mentioned above. For further details, see DISPLAY MODE on page
9-2.
Note that the [MODE] key may be programmed to show a pull-down menu
instead. For further details, see MODE SELECTION on page 9-2. In this case
the procedure for mode selection is as follows:
1. Press the [MODE] key. The following pull-down menu appears.
H1
S
H1
H1&H2
V1
H1&H2
H$S
V1&V2
HISTORY
V1
V1&V2
V1&ES1
V1&ES2
HISTORY
ES1
Default setting
ES2
ES1&ES2
All modes enabled
Mode selection menus
2. Use the trackball to select display mode desired.
3. Press the [MENU] key to display the selected mode.
1-6
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1. OPERATIONAL OVERVIEW
1.6.2
Sample display mode pictures
Below are typical pictures. For sake of brevity, indications and marks are not
shown. For meaning of marks and indications, see respective indications and
marks description illustration in applicable chapter.
Horizontal mode
This mode provides 360-degree coverage around the vessel and it is useful for
general search. For further details, see Chapter 2.
N
NUMERIC/
GRAPHIC
W
E
DATA
DISPLAY
S
Horizontal mode display
1-7
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1. OPERATIONAL OVERVIEW
H2 mode
This mode provides two horizontal screens in one of the configurations shown
below. The default configuration, LANDSCAPE, shows two horizontal displays
up and down. Other configurations available are as shown below. Desired
configuration may be chosen with H2 DISPLAY in the DISPLAY SETTING menu.
For further details, see Chapter 2.
N
N
N
1
1
85
85
1
NUMERIC/
GRAPHIC
DATA
NUMERIC/
GRAPHIC
DATA
1
2
W
E
N
1
3
1
3
2
2
DISPLAY
DISPLAY
3
1
2
3
1
2
1
3
1
2
2000
2000
2
3
1
3
1
2
3
1
2
3
1
2
S
S
W
E
PORTRAIT
LANDSCAPE
N
N
NUMERIC/
GRAPHIC
DATA
NUMERIC/
GRAPHIC
DATA
W
E
N
W
E
N
1
2
3
DISPLAY
DISPLAY
1
1
85
85
00
E
30
W
W
E
1
1
2
2
3
3
1
1
3
3
2
2
3
3
1
1
1
2
2
1
2
2
2000
2000
3
1
3
3
1
1
2
2
1
1
2
3
2
3
2
3
1
1
2
2
3
3
S
S
S
S
LEFT INSET
RIGHT INSET
Horizontal 2 display
1-8
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1. OPERATIONAL OVERVIEW
Slant mode, single display
The Slant mode shows a 180-degree cross section, using chosen tilt angle and
train setting.
Bottom
Fish school
Sea surface reflection
Slant display (single)
Slant mode, combination display
N
N
N-UP
HEADING
321˚
HEADING
321˚
N-UP
902m
678m
346m
278˚
9.83NM
5:32
902m
678m
346m
278˚
9.83NM
5:32
H
R2000m
HR2000m
S R 1000m
T 24˚
SHIP COURSE 335˚
SHIP SPEED 12.5kt
SHIP COURSE 335˚
SHIP SPEED 12.5kt
AUTO
AUTO
T 17˚
(21˚)
G 10.0
T 17˚
(21˚)
G 10.0
B
B
LAT/LON[DGPS] (000.000)
32˚52.150N
LAT/LON[DGPS] (000.000)
32˚52.150N
RO 357˚
W
12m/s
W
12m/s
P
8
P
8
G
P
4.0
6
132˚12.150E
132˚12.150E
DEPTH
321m
DEPTH
321m
WATER CURR
WATER CURR
C1
C2
C3
1.2kt 342˚
0.8kt 298˚
0.4kt 256˚
C1
C2
C3
1.2kt 342˚
0.8kt 298˚
0.4kt 256˚
1
1
NET DEPTH
NET DEPTH
85
S1
S2
S3
134m
178m
213m
S1
S2
S3
134m
178m
213m
85
1
1
2
1
1
N
FISH HISTOGRAM
Scan1
FISH HISTOGRAM
Scan1
S
R1000m
T 24˚
2
1
1
2
3
3
1
3
RO 357˚
2
G
P
7.5
6
3
2
1
2
1
1000
500
2
3
1
3
WATER TEMP
10.3˚C
WATER TEMP
10.3˚C
1
1
2
3
20min
10
0
20min
10
0
3
12
10
12
10
1475m
156m
(164m)
128˚
2975m
153m
12.3kt
256˚
1475m
156m
(164m)
128˚
1
975m
153m
12.3kt
256˚
2
3
32˚52.150N
132˚12.150E
S
C
32˚52.150N
S
C
R
B
1056m
234˚
R
B
1056m
234˚
8
8
1
132˚12.150E
B
B
2
S
Landscape display (Slant mode on bottom half)
Portrait display (Slant mode at right half)
N
HEADING
321˚
N-UP
902m
678m
346m
278˚
9.83NM
5:32
H R 600m
T 12˚
SHIP COURSE 335˚
SHIP SPEED 12.5kt
B
LAT/LON[DGPS] (000.000)
32˚52.150N
G
P
5.5
3
W
12m/s
132˚12.150E
DEPTH
321m
WATER CURR
C1
C2
C3
1.2kt 342˚
0.8kt 298˚
0.4kt 256˚
NET DEPTH
1475m
156m
(164m)
128˚
S1
S2
S3
134m
178m
213m
32˚52.150N
132˚12.150E
B
W
E
N
S R 2000m
FISH HISTOGRAM
AUTO
T 17˚
1
Scan1
(21˚)
RO347˚
G 10.0
P
8
W
1
00
85
1
2
3
WATER TEMP
10.3˚C
10
1
E
20min
12
0
2
3
2
1
10002
1
3
3
1975m
153m
12.3kt
256˚
10
8
1
2
2
3
3
S
C
R
B
1056m
234˚
1
2
3
S
S
Slant mode in inset
Slant display (combination)
1-9
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1. OPERATIONAL OVERVIEW
V1 and V2 modes
The V1 and V2 modes show a vertical slice of the bearing selected by the
vertical bearing mark on the horizontal display. The vertical 2 mode provides two
vertical slices. Chapter 3 discusses the vertical mode.
N
N
NUMERIC/
GRAPHIC
DATA
NUMERIC/
GRAPHIC
DATA
W
E
W
E
DISPLAY
DISPLAY
500
1000
50
0
1000
1500
1000
1500
500
500
00
1000
1000
V
52°
S
Vertical 2 Display
Vertical 1 Display
Vertical 1 Display
V1 & V2 mode
V1 mode
V1 and V2 displays
V1 + ES1 (or ES2) mode
The V1 + ES1 (or ES2) combines the vertical 1 display with the picture from an
echo sounder or a net recorder.
N
NUMERIC/
GRAPHIC
W
E
DATA
DISPLAY
500
1000
1500
0
500
30
60
1000
Echosounder
Display
Vertical 1 Display
(ES 1 or ES 2)
V1 & ES1 (ES2) display
1-10
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1. OPERATIONAL OVERVIEW
History mode
The history mode shows the horizontal and history displays. Echo data for the
echoes within the history marker on the horizontal display scroll down the history
display in the downward direction – the latest echoes at the top and the oldest at
the bottom. This mode is useful for observing fish echoes over time. For further
details, see Chapter 6.
N
NUMERIC/GRAPHIC
DATA DISPLAY
S
History Display
Horizontal Display
History display
ES1 mode
The ES1 mode shows the echo sounder display. For further details, see Chapter
5.
N
NUMERIC/GRAPHIC
DATA DISPLAY
S
Echo Sounder
Display (ES1)
Horizontal Display
ES1 display
1-11
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1. OPERATIONAL OVERVIEW
ES2 mode
The ES2 mode shows the net recorder display. The net recorder display can
show the downward looking picture alone or both the downward and upward
looking pictures. Note that this mode can also show the echo sounder picture.
N
NUMERIC/GRAPHIC
DATA DISPLAY
Net Recorder
Display (ES2)
S
Horizontal Display
ES2 display (shown: downward picture)
ES1 + ES2 mode
The ES1 + ES2 mode shows the echo sounder and net recorder displays.
N
NUMERIC/GRAPHIC
DATA DISPLAY
0
30
Echo Sounder
Display (ES1)
60
0
Net Recorder
Display (ES2)
10
20
S
Horizontal Display
ES1 + ES2 display
1-12
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1. OPERATIONAL OVERVIEW
1.7
Adjusting the Gain
The [GAIN] control adjusts receiver gain (sensitivity) for the horizontal, slant
vertical modes. Adjust it so fish echoes are clearly displayed with minimal noise
on the screen. Too high a gain setting not only displays excess noise and makes
it difficult to discriminate wanted echoes but also causes bottom echoes to be
painted in strong colors, resulting in echoes being masked by bottom reflections.
Normally, set the control somewhere between positions 3 and 7.
1. If the horizontal and vertical modes are active, press the [HSV] key to show
the range and gain indications of the mode you wish to adjust in yellow.
Pressing the [HSV] key changes the range and gain indication in yellow
between horizontal1 and horizontal2, or horizontal and vertical, alternately.
2. Adjust the [GAIN] control.
New gain setting is momentarily displayed in large characters at the top of
each display. Gain is always displayed at the top right-hand corner of the
horizontal display and bottom on the vertical 1 display.
Gain too low
Gain too high
Gain proper
Example of proper and improper gain settings on the horizontal display
1-13
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1. OPERATIONAL OVERVIEW
1.8
Menu Overview
Most operations are carried out through the menu. This section provides basic
menu operating information.
1. Press the [MENU] key to open the main menu.
MENU
QUIT
Select QUIT with trackball
and then press [MENU] key
to close menu.
TX PULSE LENGTH-H : 9
TX POWER-H
TVG-NEAR-H
TVG-MEDIUM-H
TVG-FAR-H
: 9
USER MENU
This menu may be
programmed as
: 0
: 0
: 0
desired (max. 10
items). Shown here
are the items of the
default user menu.
AGC-H
: 0
2ND AGC-H
ECHO AVERAGE-H
COLOR-H
: 0
: 0
: COLOR 1
COLOR RESPONSE-H : COLOR CURVE 3
H-SCAN SETTING...
V-SCAN SETTING...
OTHERS...
Select menu with trackball,
and then press [MENU] key
to display. (Ellipsis mark
(...) indicates a menu.)
Main menu
Note: The menus illustrations in this manual show current menu settings with a
gray highlight. Actual equipment shows current settings differently.
1-14
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1. OPERATIONAL OVERVIEW
2. Select menu desired with the trackball and press the [MENU] key. (For
example, select the H-SCAN SETTING menu.)
MENU
QUIT
QUIT
Choose QUIT to close
all menus.
MENU TITLE
H-SCAN SETTING
Select QUIT with trackball
and press the [MENU]
key to close menu
currently open.
TX INTERVAL
: 9
: 9
: 9
: 0
: 0
: 0
: 2
: 0
Pointer shows current
selection.
TX PULSE LENGTH
TX POWER
TVG-NEAR
TVG-MEDIUM
TVG-FAR
NOISE LIMITER
REVERBERATION
Menu items and
current settings
SIDE LOBE SUPPRESS : 1
AGC
: 0
: 0
: 0
2ND AGC
NEAR AGC
ECHO AVERAGE
INT REJECT
: 0
: 0
BOTTOM SUPPRESS
: 0
FREQ SHIFT
: 0
FREQ/BEARING SET
OTHERS...
: 180
H-SCAN SETTING menu
Note: In the S-mode combination display, the [HSV] key functions to switch
between H-SCAN SETTING menu and S-SCAN SETTING menu.
1-15
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1. OPERATIONAL OVERVIEW
3. Select menu item desired with the trackball and press the [MENU] key. (For
example, select NOISE LIMITER.) A dialog box for the corresponding menu
item appears.
MENU
QUIT
QUIT
H-SCAN SETTING
TX INTERVAL
: 9
: 9
: 9
: 0
: 0
: 0
: 2
: 0
TX PULSE LENGTH
TX POWER
TVG-NEAR
TVG-MEDIUM
TVG-FAR
How to set numeric data
1. Select or as desired.
2. Press the [MENU] key to
change setting.
3. Select QUIT and press
the [MENU] key to finish.
QUIT
NOISE LIMITER
REVERBERATION
CANCEL
SIDE LOBE SUPPRESS : 1
AGC
: 0
: 0
: 0
2ND AGC
NEAR AGC
ECHO AVERAGE
INT REJECT
: 0
: 0
BOTTOM SUPPRESS
: 0
FREQ SHIFT
: 0
FREQ/BEARING SET
OTHERS...
: 180
H-SCAN SETTING menu
4. Select S (raise setting) or T (lower setting) with the trackball and press the
[MENU] key to change setting.
Note: For items having options the arrows in the dialog box are replaced
with appropriate options. For example the dialog box for selection of
picture advance speed in the echo sounder mode looks as below.
QUIT
CANCEL
1/1
1/2
1/4
1/8
SPEED SYNC
Echo sounder picture advance speed dialog box
5. Use the trackball to select QUIT from the dialog box and press the [MENU]
key to close the menu.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
1-16
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1. OPERATIONAL OVERVIEW
Note: In the default setting, the sub menu item INITIAL SETTING in the
OTHERS menu and some items in the INITIALIZATION menu are shown in red.
This means their items are locked to prevent accidental change of setting. When
you open one of these sub menus and select an item, the message below
appears. To change the setting of the selected item, select YES and press the
[MENU] key, and the dialog box for the item selected appears. To escape, select
NO and press the [MENU] key. You may wish not to show the message below,
that is, disable the setting protection feature. For further details, see ITEM
ATTRIBUTION on page 9-16.
CAUTION
YES
THIS ITEM IS DEFINED AS NON-CHANGEABLE ITEM.
ARE YOUSURE TO CHANGE IT TO CHANGEABLE?
NO
Caution for menu setting change
1-17
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1. OPERATIONAL OVERVIEW
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1-18
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2. HORIZONTAL MODE
2.1
Basic Operating Procedure
4. Select horizontal display.
2. Lower transducer.
: Mid protrusion
: Full protrusion
3. Adjust display brilliance.
1. Turn on power.
FSV-84
V1/S
HSV
6. Select range.
8. Set tilt angle.
7. Adjust gain.
5. Press to choose the screen (horizontal or
vertical, or horizontal1 or horizontal2) to
adjust gain and range.
Control unit
2-1
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2. HORIZONTAL MODE
2.2
Indications and Marks
2.2.1
Horizontal mode
The horizontal mode provides a 360° picture around the boat. To display the
horizontal mode picture, press the [MODE] key.
Fish track
Net shoot data
Distance run from shooting
Time from shooting
Target lock mark
Presentation mode
Fish movement vector
Trackball data
Scan data
Range
Current auto tilt
Gain
N
•
•
•
•
Slant range
Horizontal range
Depth
Relative bearing
or True bearing*
N-UP H
148m
142m
45m
0.51NM
5:32
R
400m
°
°
AUTO
T 17
(21 )
°
115
B
G 10
User program no.
W
12m/s
P
8
Fish mark
Latest fish mark
Line connecting
Wind speed, direction*
Latest event mark
Auto train mark
A
fish marks
Fish estimate mark
Fish estimate mark no.
Fish estimate mark data
Trackball mark
Audio bearing mark
1
Heading mark
North mark*
Own ship mark
W
E
1
3
85
2
Current (tide)
mark*
3
1
2
3
Range ring
Bearing scale
Event mark
2
1
1
Own ship position mark
Ship's track*
2
150
2
3
1
1
2
3
Event mark data
158m
48m
(210m)
1
230m
70m
2
3
•
•
•
•
Horizontal range
Present depth
Depth at measured
Relative bearing
or True bearing*
* Requires appropriate
sensor.
S 12.3kt
R 146m
34°56.789N
123°45.678E
°
°
262
°
290
B
330
C
B
S
Target lock/fish movement data
Horizontal range
Depth
Speed
Course
Range ring
data
•
•
•
•
Net shoot
mark
Range
mark
Net
sonde mark*
Range mark and
audio bearing
mark data
Trackball mark
position
Horizontal mode indications and marks
2-2
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2. HORIZONTAL MODE
2.2.2
Horizontal2 mode
The H2 mode shows one of four kinds of horizontal display combinations:
LANDSCAPE, PORTRAIT, RIGHT INSET and LEFT INSET. Follow the
procedure below to select a combination display.
1. Press the [MENU] key to open the main menu.
MENU
QUIT
TX PULSELENGTH-H : 9
TX POWER-H
TVG-NEAR-H
TVG-MEDIUM-H
TVG-FAR-H
: 9
: 0
: 0
: 0
AGC-H
: 0
2ND AGC-H
ECHO AVERAGE-H
COLOR-H
: 0
: 0
: COLOR 1
COLOR RESPONSE-H : COLOR CURVE 3
H-SCAN SETTING...
V-SCAN SETTING...
OTHERS...
Main Menu
2. Select OTHERS with the trackball and press the [MENU] key to open the
OTHERS menu.
MENU
QUIT
QUIT
OTHERS
ES1 SETTING...
ES2 SETTING...
ERASE MARKS...
DISPLAY SETTING...
ALARM & AUDIO...
PRESET, MEMORY CARD...
INITIAL SETTING...
OTHERS menu
2-3
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2. HORIZONTAL MODE
3. Select DISPLAY SETTING and press the [MENU] key to open the DISPLAY
SETTING menu.
MENU
OTHERS
QUIT
QUIT
QUIT
DISPLAY SETTING
DISPLAY MODE...
MODE SELECTION
TX/RX MODE
: MODE KEY
: ALTERNATIVE
: LANDSCAPE
H2/S DISPLAY
PRESENTATION MODE : HEAD UP
TM DISPLAY RANGE
BEARING REF
TILT LEVER
: 1.6R
: SHIP HEADING
: TILT
S AUTO OFF CENTER : OFF
H-SLICE WIDTH
H-SLICE PICT ADVC
NET COURSE MARK
MANUAL DEGAUSS
AUTO DEGAUSS
DIMMER
: 16
: KP SYNC
: ENTER
: EXECUTE
: INT SENSOR
: 10
KEY BEEP VOLUME
: 5
DISPLAY SETTING menu
4. Select H2/S DISPLAY and press the [MENU] key.
QUIT
CANCEL
LANDSCAPE
PORTRAIT
RIGHT INSET
LEFT INSET
Dialog box for setting combination
5. Select the desired combination with the trackball and press the [MENU] key.
6. Select QUIT and press the [MENU] key to finish.
2-4
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2. HORIZONTAL MODE
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
N
N-UP
3902m
3678m
1346m
278˚
9.83NM
5:32
H1
R
4000m
AUTO
T 17˚
(21˚)
G 10.0
B
W
12m/s
P
8
H1 display
1
85
1
1
2
N
H2
R
1000m
T 24˚
The range, tilt, gain and user
program are set independently,
for each display.
G
P
7.5
6
1
H2 display
2975m
156m
(164m)
128˚
2975m
153m
12.3kt
256˚
32˚52.150N
132˚12.150E
S
C
R
B
1056m
234˚
1
2
B
LANDSCAPE
N
N
1
85
NUMERIC/
GRAPHIC
DATA
1
3
1
2
2
3
DISPLAY
3
1
2
3
2
1
3
1
2
2000
2000
2
3
1
3
1
2
3
1
2
3
S
S
PORTRAIT
2-5
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2. HORIZONTAL MODE
N
NUMERIC/
GRAPHIC
DATA
W
E
N
DISPLAY
1
85
0
W
E
1
3
2
3
1
2
3
1
1
2
2
2000
3
1
3
1
2
1
2
3
2
3
1
2
3
S
S
LEFT INSET
N
NUMERIC/
GRAPHIC
DATA
W
E
N
1
2
DISPLAY
3
1
85
30
W
E
1
3
2
3
1
2
3
1
1
2
2
2000
3
1
2
1
2
3
1
2
3
S
S
RIGHT INSET
2-6
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2. HORIZONTAL MODE
2.3
Display Range
The [RANGE] control selects the detection range. The range selected is
momentarily displayed in large characters at the top of the screen. Range is
always displayed at the top right hand corner of the screen.
SEA SURFACE
on the screen.
Range indicated
BOTTOM
Range concept
Below are the default ranges (in meters).
Range Setting
Range
1
2
3
4
5
6
100
200
400
600
800
1000
1. If the two horizontal displays, slant display or the horizontal and vertical
displays are active, press the [HSV] key to show the range and gain
indications of the horizontal mode in yellow. (This step is not necessary when
only the horizontal mode is active.) Range and gain indications are shown in
white on other modes
2. Operate the [RANGE] control to select desired range.
Note: Ranges may be preset as desired on the PRESET, MEMORY CARD
menu. For further details, see H/S-SCAN RANGE on page 9-5.
2-7
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2. HORIZONTAL MODE
2.4
Tilt Angle
The tilt angle shows the direction to which the sound wave is emitted. When the
sound wave is emitted horizontally, the tilt angle is said to be 0° and when
vertically, 90°. The tilt angle can be set between –5°(upward) to 90° (downward),
in increments of 1°. The tilt angles for horizontal 1 and horizontal 2 modes can
be set independently of one another.
2.4.1
Setting the tilt angle
To manually set a tilt angle, operate the [TILT] control. Watch the tilt angle
indication and tilt angle indicator at the top right corner of the screen.
Select tilt angle depending on target fish. For surface fish select a shallow angle
(about 5°) and for bottom fish, a deep angle.
-5-degree
0-degree horizontal direction (tilt angle 0-degree)
Transducer
Tilt angle setting range
+90-degree
Note: The [TILT] control functions as a bearing setting lever in the following
conditions:
• TILT LEVER in the DISPLAY SETTING menu is set to “TILT & V1.”
• The vertical display is chosen in the vertical mode.
2-8
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2. HORIZONTAL MODE
2.4.2
Automatic tilt
The [AUTO TILT] key automatically scans the tilt angle within the selected width.
This is useful when you want to find the center depth of a fish school.
1. Press the [AUTO TILT] key to select auto tilt angle desired. Each time the
[AUTO TILT] key is pressed the auto tilt angle changes in the following
sequence.
OFF →
[
1 - 4°
]
→
[
2 - 6°
]
→
[
3 - 8°
]
(Narrow)
(Wide)
OFF →
[
2 - 10°
]
→
[
4 - 16°
]
→
[
6 - 20°
]
Automatic tilt range (narrow) with AUTO TILT key
Range
Width (1)
Width (2)
Width (3)
Period
60, 100
150, 200
300, 400
500, 600
700, 800
900, 1000
1100 and more
4°∗
2°
1°
As above
As above
As above
As above
6°∗
4°∗
2°
As above
As above
As above
As above
8°∗
6°∗
4°∗
3°
As above
As above
As above
Period: One trans.
Tilt angle changes
in 2° increments for
asterisk-marked
width;
1° increments for
all other widths.
Automatic tilt range (wide) with AUTO TILT key
Range
Width (1)
Width (2)
Width (3)
Period
60, 100
150, 200
300, 400
500, 600
700, 800
900, 1000
1100 and more
10°
As above
As above
8°
6°
4°
2°
16°
20°∗
As above
As above
As above
16°
12°
6°
Period: One trans.
Period: Four trans.
Period: Two trans.
Same as above
Same as above
Same as above
Same as above
As above
As above
As above
12°
8°
4°
* For combination modes H1/H2, H1/V, H1/S, two transmissions/period at
depth between 60 and 200 m and one transmission/period for range 300 m
or greater.
Note: Wide tilt angle is activated from the SYSTEM menu. For further details,
contact your dealer.
2. Auto tilt begins, with the tilt angle set with the [TILT] control as the center tilt
angle.
3. If necessary, change center tilt angle with the [TILT] control.
2-9
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2. HORIZONTAL MODE
For example, when the [RANGE] control, [TILT] control and [AUTO TILT] key are
set to 800 m, 8° and width (1) respectively, the tilt angle changes at each
transmission as follows:
8°→9°→8°→7°→8°
Tilt angle setting
Auto tilt concept
Note: The [AUTO TILT] key is inoperative when the target lock function is active
or is made active. Auto tilt is resumed once target lock is disabled.
2-10
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2. HORIZONTAL MODE
2.4.3
Relation between bottom echo and tilt angle
The figure at the top of the next page illustrates how two fish schools “a” and “b”
are displayed on the screen using three different tilt angles.
Case 1: Tilt angle 30° to 40°
This tilt angle will display the entire bottom since it is captured by the full width of
the beam. Fish school is obscured by the bottom.
Case 2: Tilt angle 10° to 20°
This tilt angle will only display half the bottom since it is captured by only the
lower half of the beam. Fish school is located above the bottom.
Case 3: Tilt angle 0° to 5°
This tilt angle may or may not capture the bottom since the returning echo is
weak. Fish school is located close to the bottom.
Case 1
Case 3
Case 2
Fish school "a"
Fish school "a"
Bottom
Fish school "a"
Fish school "b"
Bottom
Bottom
Case 1
Case 3
Case 2
Fish echo and tilt angle
Points to consider
•
•
Normally, a vertically distributed fish school is a better sonar target than the
bottom, because it reflects the transmitted pulse back toward the transducer.
In case 3, both fish schools “a” and “b” are presented. Generally speaking,
however, midwater fish schools tend to be larger than bottom fish schools
and they are often displayed near the bottom on the display.
•
It is difficult to detect bottom fish when they are not distributed vertically.
2-11
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2. HORIZONTAL MODE
2.4.4
Tilt angle for surface fish
Sound emitted from the sonar transducer forms an oval-shaped beam with a
width of approximately 18° in the vertical direction (vertical beam width at -6dB).
The tilt angle is indicated by the angle between the centerline of the beam and
the horizontal plane. Then, if the tilt angle is set to 0°, the centerline is parallel
with the sea surface and one half of the emitted sound goes upward, toward the
sea surface.
This causes one half of the emitted sound to be reflected toward the transducer
and displayed on the screen as sea surface reflections. When the sea is calm,
since the sound is reflected just like a light hitting a mirror at a low incident angle,
it propagates away and the sea surface reflections become negligible.
However if the sea is not calm enough, they will become dominant and interfere
with observation of wanted echoes. To minimize these sea surface reflections
and to search surface fish schools effectively, the tilt angle is usually set
between 8° and 9° so the upper portion of the beam becomes almost parallel
with the sea surface. When the sea is rough, the tilt angle is slightly increased to
lessen the affect of sea surface reflections.
Sea surface
Tilt angle 0°
18°
Sea surface
Tilt angle 8-9°
18°
Tilt angle
2-12
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2. HORIZONTAL MODE
2.4.5
Suitable tilt angle
The figure below illustrates the relationship among tilt angle, depth and detection
range. Refer to it to find out the suitable tilt angle for a given depth/detection
range.
Tilt angle and beam coverage (vertical beamwidth 18° at -6dB
)
Range(m)
400
100
200
300
(800)
(200)
(400)
(600)
20(40)
Tilt 0
(0˚-9˚)
˚
40(80)
60(120)
Tilt 5
˚
(0˚-14˚)
80(160)
100(200)
Tilt 15
˚
(6˚-24˚)
Grey: Tilt 10
˚
(1˚-19˚)
200(400)
(-6dB)
300 m
Vertical width of sonar beam
200 m
100 m
31 m
93 m
18°
62 m
Tilt angle and beam coverage
2-13
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2. HORIZONTAL MODE
2.5 Measuring Range and Bearing to a Target
Operate the trackball to place the trackball mark on the target you want to
measure the range and bearing. The range, bearing and depth to the target
appear at the upper left corner of the screen.
Trackball position may also be show in latitude and longitude. For further details,
see CURSOR POSITION on page 9-11.
ꢀ
ꢁ
ꢂ
B
TRACKBALL DATA
Trackball mark
ꢀ
ꢁ
ꢂ
Slant range
Horizontal range
Depth
Heading line
B Relative or
True bearing*
Own ship mark
* Four display formats
available. See OTHER
MARKS on page 9-11.
34 56.789N
°
°
Trackball mark
L/L position
123 45.678E
Location of trackball data
2-14
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2. HORIZONTAL MODE
2.6
Eliminating Weak Echoes
Echoes from targets such as bottom and fish return to the transducer in order of
distance to them, and when we compare their intensities at the transducer face,
those from nearer targets are generally stronger when their reflecting properties
are nearly equal. The sonar operator will be quite inconvenienced if these
echoes are directly displayed on the screen, since he cannot judge the actual
size of the target from the size of echoes displayed on the screen. To overcome
this inconvenience, use the TVG function. It compensates for propagation loss of
sound in water; amplification of echoes on short range is suppressed and
gradually increased as range increases so that similar targets are displayed in
the similar intensities irrespective of the ranges to them.
The FSV-84 has three TVG functions, NEAR, MEDIUM and FAR, and they
mainly compensate for propagation loss on short, middle and long ranges
respectively, centered at the ranges shown below. The higher the TVG setting
the greater the amplification of echoes.
Note: TVG distances can
be adjusted from the
menu.
See page 2-48.
Principle of TVG
The TVG is also used to suppress unwanted echoes and noise which appear in
a certain range area on the screen such as sea surface reflections and cruising
noise. To set TVG properly, do the following:
2-15
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2. HORIZONTAL MODE
1. Press the [MENU] key to open the main menu.
2. Select H-SCAN SETTING with the trackball and press the [MENU] key to
open the H-SCAN SETTING menu.
MENU
QUIT
QUIT
H-SCAN SETTING
TX INTERVAL
: 9
: 9
TX PULSE LENGTH
TX POWER
TVG-NEAR
: 9
: 0
: 0
: 0
: 2
TVG-MEDIUM
TVG-FAR
NOISE LIMITER
REVERBERATION
: 0
SIDELOBE SUPPRESS : 1
AGC
: 0
: 0
2ND AGC
NEAR AGC
: 0
: 0
: 0
: 0
ECHO AVERAGE
INT REJECT
BOTTOM SUPPRESS
FREQ SHIFT
: 0
FREQ/BEARING SET
OTHERS...
: 180
H-SCAN SETTING menu
3. Select TVG-NEAR with the trackball and press the [MENU] key to show the
dialog box.
QUIT
CANCEL
Numeric data entry dialog box
4. Use the trackball to select S or T and press the [MENU] key to set. The
setting range is –5 to 5. The higher the setting the greater the TVG effect.
5. Select QUIT and press the [MENU] key.
6. Repeat steps 3-5 to set TVG-MEDIUM and TVG-FAR.
When sea surface reflections or plankton layers disturb the picture, decrease
appropriate TVG option by one or two steps.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
2-16
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2. HORIZONTAL MODE
Note: When a fish school is located on a long-range setting (about 800 meters)
and is approaching own ship do as follows:
Adjust the tilt to keep the fish school in the center of the sonar beam, namely,
fish school is displayed in strongest colors possible. Confirm that the fish echo
is displayed in the same color as it approaches. If the color suddenly changes
to weaker colors as the fish enters MEDIUM and NEAR areas, the TVG is
improperly set. Adjust the TVG. If this again produces sea surface reflections
and noise try to remove them with the AGC and noise limiter.
If the above procedure does not produce satisfactory results, the TVG curve
can be changed on the OTHERS sub menu in the H-SCAN SETTING menu.
Also, adjust the setting of NEAR AGC, referring to next section.
2.7
Suppressing Bottom Tail
2.7.1
Adjust AGC
The AGC functions to automatically reduce the receiver gain only against strong
echoes such as the bottom or a large fish school. Since weak echoes remain
unaffected, a small fish school becomes easier to detect. Adjust it so that the
AGC works only on bottom reflections. Do not set it too high; weak echoes may
be missed.
1. Press the [MENU] key to open the menu.
2. Select H-SCAN SETTING menu and press the [MENU] key.
3. Select AGC and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-9. The higher the setting the greater the degree of
suppression.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
2-17
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2. HORIZONTAL MODE
2.7.2
Decrease pulse length
The pulse length determines the length of the transmission pulse emitted into the
water. While a longer pulse is advantageous for long-range sounding, it has the
disadvantage of being poor in discrimination of targets, that is, the ability to
separate several closely located targets. When searching bottom fish, therefore,
it is useful to shorten the pulse length in order to separate fish echoes from
bottom reflections. Decrease the pulse length setting to shorten the pulse length.
For search of surface and midwater fish in which bottom reflections are not so
strong, use the longest pulse length “9”.
1. Press the [MENU] key to open the menu.
2. Select the H-SCAN SETTING menu and press the [MENU] key.
3. Select TX PULSE LENGTH and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-9. The higher the setting the longer the pulse length.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
2.7.3
Adjust 2nd AGC
While it is ideal to suppress bottom echoes with the AGC alone there are some
fishing grounds where this is not possible. (The high power sonar has the
advantage of long-range detection but this can also be a disadvantage, since
weaker echoes may be hidden in strong, unwanted echoes such as the bottom.)
If you cannot suppress bottom echoes or sea surface reflections by the AGC
function alone, use the 2nd AGC feature. Normally a setting of 1 or 2 is suitable.
For especially strong echoes, use a setting of 3 or 4.
1. Press the [MENU] key to open the menu.
2. Select the H-SCAN SETTING menu and press the [MENU] key.
3. Select 2nd AGC and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-12. The higher the setting the greater the suppression.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
2-18
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2. HORIZONTAL MODE
2.7.4
Adjust Near AGC
When an excessively strong echo is received in shallow or heavily sedimented
waters, you may not be able to suppress it by the TVG control alone. In this case,
a fish school which is displayed at more than 300 m away may disappear
gradually when the ship is approaching the fish school.
Use the Near TVG feature to suppress this strong echo. Normally set it between
3 and 4, however, this setting depends on the sea area. Do not set it too high; all
echoes (including noise) from near distance may be painted in red.
1. Press the [MENU] key to open the menu.
2. Select H-SCAN SETTING menu and press the [MENU] key.
3. Select NEAR AGC and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-10. The higher the setting the greater the echo level of
near distance.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
2-19
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2. HORIZONTAL MODE
2.8
Suppressing Bottom and Sea Surface
Reflections in Shallow Waters
In shallow fishing grounds with hard or rocky bottom, bottom reflections often
interfere with wanted fish echoes and they can not be eliminated sufficiently with
the aforementioned TVG and AGC functions, especially when the TILT is set to a
larger angle in order to track fish schools approaching within 400 m. In such
cases try to reduce the output power by adjusting the Tx output instead of
turning down the gain. The picture becomes clearer when output power is
reduced rather than when the GAIN is decreased as illustrated below.
INCORRECT
METHOD
Fish echo
Fish echo
weakened
TVG and AGC
adjusted with
TX POWER kept high
CORRECT
METHOD
Fish echo
Reduce TX POWER
with GAIN kept
constant
How to suppress bottom and sea surface reflections in shallow waters
1. Press the [MENU] key to open the menu.
2. Select the H-SCAN SETTING menu and press the [MENU] key.
3. Select TX POWER and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-9. The higher the setting the higher the Tx power.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
2-20
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2. HORIZONTAL MODE
2.9
Rejecting Sonar Interference and Noise
While observing the sonar picture, you may encounter occasional or intermittent
noise and interference. These are mostly caused by on-board electronic
equipment, engine or propeller noise, or electrical noise from other sonars being
operated nearby.
2.9.1
Identifying noise source
To eliminate noise effectively, you should first identify the noise source as
follows:
1. Stop transmission on the TEST menu, by turning ON “TX” in the TEST menu,
and turn on the power of all on-board equipment one by one while observing
the picture. If noise appears on the sonar display, that equipment is emitting
noise. Check the offending equipment’s ground and installation.
2. Run the boat at various speeds to check if the noise is speed dependent.
If neither of the above two steps has effect on the picture, adjust one of the
following:
2.9.2
Interference rejector
This control is similar to the interference rejector on echo sounders and radars. It
is effective for rejecting random noise and sea surface reflections in rough sea
conditions. Set it so that noise is just eliminated. Do not use an unnecessarily
high setting since it may also reject small wanted echoes.
1. Press the [MENU] key to open the menu.
2. Select the H-SCAN SETTING menu and press the [MENU] key.
3. Select INT REJECT and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-3. The higher the setting the greater the degree of
interference rejection.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
2-21
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2. HORIZONTAL MODE
2.9.3
Changing Tx interval
When other sonars nearby are operating the same transmission interval as that
of own ship’s sonar, an interference ring appears on the display. To erase the
interference ring from the screen, reduce the TX INTERVAL on the H-SCAN
SETTING menu.
Interference
Tx interval high
Tx interval lowered
How TX INTERVAL works
1. Press the [MENU] key to open the menu.
2. Select the H-SCAN SETTING menu and press the [MENU] key.
3. Select TX INTERVAL and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-9. The higher the setting the longer the Tx interval. The
setting 0 is same as the setting 9.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
Note: When the sonar is used in shallow water with the range set between 60 m
and 200 m and Tx cycle at “9”, bottom reflections caused by the 2nd-to-the-last
transmission may appear on near ranges. Lower the Tx interval by 2 or 3 steps
to suppress them.
2.9.4
Shifting Tx frequency
If interference cannot be suppressed by the interference rejector or Tx interval,
shift the Tx frequency with FREQ SHIFT on the H-SCAN SETTING menu.
1. Press the [MENU] key to open the menu.
2. Select the H-SCAN SETTING menu and press the [MENU] key.
3. Select FREQ SHIFT and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is -65 to +65.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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2. HORIZONTAL MODE
2.9.5
Noise limiter
Weak, unwanted reflections, colored light-blue or green, appear when the water
is dirty, plankton layers exists, or due to ship’s noise. The noise limiter can
reduce the effects of these unwanted reflections. Raising the setting causes
unwanted reflections to be displayed in colors of blue to background color.
Normally a setting of 3 or 4 is sufficient.
1. Press the [MENU] key to open the menu.
2. Select the H-SCAN SETTING menu and press the [MENU] key
3. Select NOISE LIMITER and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-15. The higher the setting the greater the degree of
suppression.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
2.9.6
2.9.7
2.9.8
Echo average
Adjusts echo afterglow, which can be useful for watching echo movement in the
H-SCAN SETTING menu. The setting range is 0-7. The higher the number the
longer echoes remain on the screen.
Reverberation reduction
You may choose the length of reverberation for the echo signal in the H-SCAN
SETTING menu. The larger the value the shorter the reverberation, which
makes it easer to see the echo signal. The setting range is 0-3.
Setting reference bearing for frequency change
The FREQ/BEARING SET function in the H-SCAN SETTING menu is provided
for avoiding interference from other equipment.
If noise (interference) appears at a specific bearing, change the value of the
FREQ/BEARING SET in the H-SCAN SETTING menu. The setting range is 0° to
358°.
Note: The FREQ/BEARING SET function is active only when the SIDELOBE
SUPPRESSION on the SYSTEM MENU is set to 1 or 2. For details, contact a
FURUNO agent or dealer.
2.9.9
Suppressing gain of bottom echo
None-moving echoes such as bottom echo, plankton echo, etc., may be
suppressed by the setting of BOTTOM SUPPRESS in the H-SCAN SETTING
menu (moving echoes such as fish school are not effected by this setting). The
setting range is 0 to 10. The greater the setting, the greater the suppression
level of the bottom, etc.
Note: Avoid using too high a setting - slow-moving fish school may be
suppressed as well.
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2. HORIZONTAL MODE
2.9.10 Sidelobe suppression
Sidelobes are fairly emissions generated outside the main beam. The energy of
the sidelobe is fairly weak but when the water is comparatively shallow and the
bottom is rocky and hard, strong signals are detected by the sidelobe.
To reduce the effect of sidelobes, adjust SIDELOBE SUPPRESS from the
H-SCAN SETTING menu. The setting range is –3 to +3 and the default setting is
0. The higher the setting the greater the sidelobe suppression. If there is a
difference between the port and starboard side images, use a minus setting.
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2. HORIZONTAL MODE
2.10 Adjusting Beamwidth
The horizontal beamwidth of the Rx beam can be adjusted at the OTHERS
menu as below to raise the horizontal resolution.
1. Press the [MENU] key to open the menu.
2. Select H-SCAN SETTING and press the [MENU] key.
3. Select OTHERS and press the [MENU] key.
MENU
H-SCAN SETTING
OTHERS
QUIT
QUIT
QUIT
COLOR
COLOR SETTING...
: COLOR 1
COLOR RESPONSE : COLOR CURVE 3
COLOR RESPONSE...
GAIN OFFSET
SIGNAL LEVEL
FAR TVG CURVE
: 0
: 0
: TVG2
ABSORPTION COEFF : 23.5dB
TVG DISTANCE...
2ND AGC DISTANCE : 0m
NEAR AGC DISTANCE: 200m
SMOOTH ECHO RNG : 0
SMOOTH ECHO CIR : 0
GAIN CONTROL
BEAMWIDTH...
: NORMAL
.OTHERS menu
4. Select BEAMWIDTH and press the [MENU] key to open the dialog box.
MENU
QUIT
QUIT
QUIT
QUIT
H-SCAN SETTING
OTHERS
BEAMWIDTH
BEAMWIDTH A : 0
BEAMWIDTH B : 0
5. Select BEAMWIDTH A and set appropriate value. The higher the setting the
sharper the horizontal resolution. The setting range is -4 to 5 plus AR and the
default setting is 0. AR means AUTO RANGE and it automatically adjusts
horizontal beamwidth according to the range.
6. Select BEAMWIDTH B and set appropriate value. This controls echo beam
width by echo processing. The setting range is 0-5, and the higher the setting
the greater the horizontal resolution.
7. Select QUIT and press the [MENU] key.
8. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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2. HORIZONTAL MODE
2.11 Tracking a Fish School (target lock)
The target lock function automatically tracks a fish school so you won’t lose sight
of it on the display. Two types of target lock are available: position tracking
(TARGET MARK) and fish school tracking (FISH) and you may select one from
the menu as below. Default setting is “FISH.” However, if the FSV-84 cannot
receive an echo of sufficient level of echo, tracking may not be performed.
2.11.1 Selecting target lock type
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select INITITAL SETTING and press the [MENU] key.
4. Select YES and press the [MENU] key to confirm the CAUTION indicated.
5. Select TARGET LOCK and press the [MENU] key.
MENU
QUIT
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
TARGET LOCK
TRACKING METHOD
TILT INTERLOCK
: FISH
:
TILT&RANGE
MARK INTERLOCK
TRACKING DATA
THRESHOLD
:
ESTIMATE MARK
: H&V
: 16
BOTTOM THRESHOLD
TARGET SPEED LIMIT
SMOOTHING
: 3
: 5kt
: 0.5
TARGET SPD UPDATE
: 60SEC
TARGET LOCK WINDOW : NORMAL
DIMENSION SETUP
VOLUME SETUP
: 25t/1000m2
: 25t/1000m3
TARGET LOCK menu
6. Select TRACKING METHOD and press the [MENU] key to open the dialog
box.
QUIT
CANCEL
TARGET MARK
FISH
Target lock type dialog box
7. Use the trackball to select TARGET MARK or FISH as appropriate and press
the [MENU] key.
8. Select QUIT and press the [MENU] key.
9. Select QUIT at the top of the menu screen and press the [MENU] key to quit
all menus.
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2. HORIZONTAL MODE
2.11.2 Fish school tracking mode
The automatic echo target lock function automatically tracks the
operator-selected fish school. When menu option TILT INTERLOCK on the
TARGET LOCK menu (previous page) is set to TILT & RANGE, and the tracked
fish school goes out of the zone in the range direction, the range and tilt are
automatically controlled according to the fish school position.
1. Select FISH at step 7 in the procedure in section 2.11.1.
2. Use the trackball to select the fish school to track on the horizontal display.
3. Press the [TARGET LOCK] key.
The target lock mark appears ( ) on the fish school with a vector extending
from its edge. This vector shows estimated target position after elapsed of
preset vector time. The target lock mark is also inscribed on the vertical
display, however no vector appears.
• If the target is lost, the target lock mark changes to red color and the
tracking mode changes to position mode (see next section) at that
position.
• When the FSV-84 detects and tracks the target again, the mode returns to
the fish school mode.
4. To turn off the target lock, press the [TARGET LOCK] key again.
Vector*
Target lock mark
Bearing mark
follows target
Fish school's track*
when target
lock is active.
* Turned on or off
from MARK DISPLAY
TARGET LOCK DATA
menu.)
2975m (Horizontal range)
153m (Depth)
S
C
12.3kt (Speed)
256° (Course)
Target lock mark and target lock data
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2. HORIZONTAL MODE
2.11.3 Position tracking mode
This mode tracks a stationary position (such as a reef) using position data fed
from a navigator.
A
B
C
D
Depth
E
How position tracking mode target lock works
1. Select TARGET MARK at step 7 in the procedure in section 2.11.1.
2. Use the trackball to select the location to track.
3. Press the [TARGET LOCK] key to inscribe the target lock mark ( ) at the
location selected. The target lock mark is also inscribed on the vertical
display.
Tilt, range and vertical bearing are automatically adjusted to track the location.
Using the figure above as an example, the target lock mark is placed on location
“E”. Then, the equipment remembers the location of “E” and automatically
changes the tilt angle as the ship moves from position A through D. As long as
the fish school “E” is stationary its echo is kept displayed on the screen.
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2. HORIZONTAL MODE
2.11.4 TARGET LOCK menu
MENU
QUIT
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
TARGET LOCK
TRACKING METHOD
TILT INTERLOCK
: FISH
:
TILT&RANGE
MARK INTERLOCK
TRACKING DATA
THRESHOLD
:
ESTIMATE MARK
: H&V
: 16
BOTTOM THRESHOLD
TARGET SPEED LIMIT
SMOOTHING
: 3
: 5kt
: 0.5
TARGET SPD UPDATE
: 60SEC
TARGET LOCK WINDOW : NORMAL
DIMENSION SETUP
VOLUME SETUP
: 25t/1000m2
: 25t/1000m3
TARGET LOCK menu
TRACKING METHOD: Selects tracking method, target mark (position) or fish.
TILT INTERLOCK: Provides automatic change of tilt angle and range or tilt
angle during target lock.
MARK INTERLOCK: Selects items of numeric/graphic data display during target
lock operation.
TRACKING DATA: Selects which tracking data to use; horizontal, or both
horizontal and vertical.
THRESHOLD: Selects the weakest echo color number to track. The setting
range is 1 to 30.
BOTTOM THRESHOLD: When a target is judged as a bottom echo, raise this
setting to differentiate bottom from target. The setting range is 0 to 5. The setting
range is 0 to 5.
TARGET SPEED LIMIT: Sets maximum fish speed to track. The setting range is
1kt to 15kt.
SMOOTHING: Sets smoothing rate for fish speed data. The setting range is 0.0
to 1.0.
TARGET SPD UPDATE: Sets fish speed data update interval among 15, 30, 45
and 60 seconds.
TARGET LOCK WINDOW: Selects size of target lock detection area; normal,
large, largest. However, this area is not displayed on the screen.
DIMENSION SETUP: Sets dimension constant for calculation of fish school
tonnage from the fish school dimension.
VOLUME SETUP: Sets volume constant for calculation fish school tonnage from
fish school volume.
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2. HORIZONTAL MODE
2.12 Detecting Fish Schools Aurally
Sometimes you may be preoccupied with other tasks and unable to concentrate
on watching the sonar picture. In such cases it would be a good choice to use
the audio function. This function enables you to monitor echoes from fish
schools and seabed through the built-in speaker.
After you’ve become accustomed to monitoring fish aurally, you should be able
to detect a fish school from a range longer than you can detect it on the screen.
In addition you may judge whether the fish school is approaching or going away;
the tone becomes higher when the school is approaching and lowers when the
school is going away.
2.12.1 Selecting direction
In the default setting, the audio function is on and the audio sector is 30°.
1. Operate the trackball to place the trackball mark on the direction you want to
monitor through the speaker.
2. Press the [R/B AUDIO] key.
The audio bearing mark appears on the bearing selected, in a 30°, 60°, 90°,
180° or 330° sector centering the audio bearing mark. Echoes are monitored
through the speaker. You can adjust speaker volume with the [AUDIO] control.
Note: When the trackball mark is placed near own ship mark and the [R/B
AUDIO] key is pressed, the range mark and the related data at the bottom of the
screen are erased. Note that the audio bearing is erased when “AUDIO” on the
ALARM & AUDIO menu is turned off.
A
Audio bearing mark
Range mark
R 400m
B 45°
Range and audio bearing
marks data
Range and audio bearing marks
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2. HORIZONTAL MODE
2.12.2 Selecting audio sector
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ALARM & AUDIO and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ALARM & AUDIO
FISH ALARM
: OFF
ALARM LEVEL
ALARM ZONE...
SHIP SPEED ALARM
AUDIO
: 16
: ON
: ON
: 30°
: 0
AUDIO SECTOR
REVERBERATION
ALARM & AUDIO menu
4. Select AUDIO SECTOR and press the [MENU] key to open the dialog box.
QUIT
CANCEL
30°
60°
90°
180°
330°
Audio sector dialog box
5. Select desired audio sector among 30°, 60°, 90°, 180°, 330° and press the
[MENU] key.
6. Select QUIT and press the [MENU] key.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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2. HORIZONTAL MODE
2.12.3 Automatic training
You may automatically scan the audio sector and audio bearing mark in the
sector of 12°, 24° or 36° as below.
1. First activate the range and audio bearing marks with the [R/B AUDIO] key.
2. While pressing and holding down the [AUTO TRAIN] key, press the [R/B
AUDIO] key to select desired auto train sector among 12°, 24°, 36° and OFF.
Watch the auto train mark to know the currently selected sector. The chosen
sector appears in large characters for five seconds at the top of the screen.
To turn off automatic training, select OFF at step 2.
Auto train mark
Auto train sector
A
Audio bearing
mark
Indications related to automatic training
2.12.4 Reverberation
You may choose the length of reverberation for the audio signal. The larger the
value the longer the reverberation, which makes it easer to hear the audio signal.
The setting range is 0-9 and the default setting is 0.
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2. HORIZONTAL MODE
2.13 Presentation Mode
2.13.1 Presentation mode description
This sonar has four presentation modes, head-up, north-up, course-up and true
motion, and you may select one with PRESENTATION MODE in the OTHERS -
DISPLAY SETTING menu.
N
N
N
N
Head-up
North-up
Course-up
True Motion
Presentation modes
Head-up: The display is oriented toward ship’s heading. Own ship position is
fixed at the screen center. Echoes from fish and the bottom move on the screen
relative to own ship’s movement. This mode is useful for general use.
North-up: The display is oriented so North is at the top of the screen. Own ship
position is fixed at the screen center and own ship mark pivots with ship’s
movement. Echoes from fish and the bottom move on the screen relative to own
ship’s movement.
Course-up: The display is oriented according to course. Own ship position is
fixed at the screen center. Echoes from fish and the bottom move on the screen
relative to own ship’s movement. Targets are displayed at ship’s bow.
True Motion: Stationary objects are fixed and own ship and fish echoes move
on the display in accordance with their true courses and speeds. Thus you can
observe own ship and fish echo movement with respect to the bottom. This
mode requires speed and heading data. When own ship mark reaches an edge
of the off-center effective area it is automatically returned to the screen center as
below.
N
N
Offcenter
effective area
(a) Own ship mark reaches
an edge of offcenter
effective area
(b) Own ship mark is automatically
returned to screen center
Automatic return of own ship mark in true motion
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2. HORIZONTAL MODE
2.13.2 How to select a presentation mode
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select DISPLAY SETTING and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
DISPLAY SETTING
DISPLAY MODE...
MODE SELECTION
TX/RX MODE
: MODE KEY
: ALTERNATIVE
: LANDSCAPE
H2/S DISPLAY
PRESENTATION MODE : HEAD UP
TM DISPLAY RANGE
BEARING REF
TILT LEVER
: 1.6R
: SHIP HEADING
: TILT
S AUTO OFF CENTER : OFF
H-SLICE WIDTH
H-SLICE PICT ADVC
NET COURSE MARK
MANUAL DEGAUSS
AUTO DEGAUSS
DIMMER
: 16
: KP SYNC
: ENTER
: EXECUTE
: INT SENSOR
: 10
KEY BEEP VOLUME
: 5
DISPLAY SETUP menu
4. Select PRESENTATION MODE and press the [MENU] key to open the dialog
box.
QUIT
CANCEL
HEAD UP
NORTH UP
COURSE UP
TRUE MOTION
Presentation mode dialog box
5. Select presentation mode desired and press the [MENU] key.
6. Select QUIT and press the [MENU] key.
7. Select QUIT at the top of the menu screen and press the [MENU] key to quit
all menus.
Note: The true motion display range may be set to 1.3 or 1.6 times the range
with TM DISPLAY RANGE on the DISPLAY SETTING sub menu.
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2. HORIZONTAL MODE
2.14 Fish Alarm
The fish alarm sounds the aural alarm when a fish echo above a preset strength
enters the operator-set alarm zone.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ALARM & AUDIO and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ALARM & AUDIO
FISH ALARM
: OFF
ALARM LEVEL
ALARM ZONE...
SHIP SPEED ALARM
AUDIO
: 16
: ON
: ON
: 30°
: 0
AUDIO SECTOR
REVERBERATION
ALARM & AUDIO menu
4. Select FISH ALARM and press the [MENU] key to open the dialog box.
QUIT
CANCEL
OFF
ON
Fish alarm status dialog box
5. Select ON, select QUIT and then press the [MENU] key. To cancel the fish
alarm, select OFF instead of ON.
6. Select ALARM ZONE and press the [MENU] key.
7. Operate the trackball to place the trackball mark on the starting point of the
alarm zone.
8. Press the [MENU] key.
9. Rotate the trackball clockwise to select the ending point. The display paints a
fan-shaped alarm zone.
10.Press the [MENU] key.
11. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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2. HORIZONTAL MODE
<<ALARM ZONE SETTING>>
PLACE CURSOR AT STARTING POINT
AND PRESS MENU KEY TO SET.
PRESS R/B KEY TO CANCEL.
<<ALARM ZONE SETTING>>
PLACE CURSOR AT ENDING POINT
AND PRESS MENU KEY TO
COMPLETE ALARM ZONE SETTING.
How to set the fish alarm zone
Note 1: There must be at least three degrees difference between the starting
and ending points to get a fan-shaped alarm zone as shown in (a) and (b) below.
Otherwise, the unit paints a 360-degree alarm zone as in (c) where there is less
than 3 degrees between the starting and ending points and (d) where the
bearing marker has been rotated one full turn.
More than 3˚
Within 3˚
(a)
(b)
(c)
(d)
How to create desired alarm zone
Note 2: The echo strength which triggers the alarm can be set with ALARM
LEVEL on the ALARM & AUDIO menu. The setting range is 0-30.
This value corresponds with the number of 32-echo colors.
Note 3: To disable the fish alarm, choose OFF at step 5 in the procedure on the
previous page.
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2. HORIZONTAL MODE
2.15 Relocating Fish School for Easy Observation
Use the offcenter feature to relocate a fish school.
1. Operate the trackball to place the trackball mark on the position where you
want to relocate the own ship mark.
2. Press the [OFF CENTER] key.
3. To move the own ship mark back to the screen center, press the [OFF
CENTER] key again.
Fish school
Fish
school
Press [OFF CENTER] key
Own ship
mark
Own ship mark
moves to trackball
mark position.
Set trackball
mark here,
for example.
How to use offcenter
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2. HORIZONTAL MODE
2.16 Comparing Fish School Concentration
You can get an estimate of the volume of two fish schools by using the two
ESTIMATE keys as follows:
1. Operate the trackball to place the trackball mark on a fish school, and then
press the [ESTIMATE 1] key.
2. The estimate mark appears on the fish school. Relative volume is shown by a
figure between 0 and 100, below the estimate mark. When the area inside
the mark is filled in reddish brown, volume figure is said to be “100”.
3. Operate the trackball to place the trackball mark on another fish school and
press the [ESTIMATE 2] key.
4. Compare estimate figures for each fish school by observing estimate mark
data and the fish histogram.
5. To turn off the estimate marks press their respective keys.
Estimate mark 2
N
North
mark
2
1
85
NUMERIC/
Estimate
mark 1
GRAPHIC
DATA
W
E
35
DISPLAY
2
S
Estimate mark 2 data
Estimate mark 1 data
Estimate marks and their data
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2. HORIZONTAL MODE
2.17 Measuring Fish School Speed
To ensure a good haul, it is important to estimate the direction and speed of the
fish school before shooting the net. You can do this with the [FISH] key. With
tidal current data plus fish speed data, you can determine the timing of the net
shooting more efficiently. This function requires speed and heading data.
2.17.1 Entering fish marks
1. Place the trackball mark on the center of a fish school, and then press the
[FISH] key. The latest fish mark ( ) appears on the fish school.
2. Wait 1 to 2 minutes.
3. Place the trackball mark on the same fish school selected in step 1 and press
the [FISH] key. The latest fish mark appears on the target, the 2nd latest fish
mark ( ) appears on the location selected at step 1 and any earlier fish
marks are shown with an “X”. The distance between the two fish marks and
fish school course and speed appear at the bottom right-hand corner of the
horizontal display area.
Earlier fish mark (max. 8)
2nd latest fish mark
Latest
fish mark
Latest fish
mark
WAIT 1-2
MINUTES
X
FISH MOVEMENT DATA
(Distance moved)
Place trackball mark
on fish school's current
location and press
[FISH] key again.
(Horizontal range to fish mark)
2975m
Place trackball mark
on a fish school and
press [FISH] key.
153m (Depth)
S 12.3kt (Speed)
C
256° (Course)
How to measure fish school speed
Note 1: Fish movement is calculated using ship’s speed and heading data.
Accordingly, pitching and rolling may affect the calculation. For best results, try
the procedure two or three times to verify reliability.
Note 2: The time and distance between pressings of the [FISH] key should be
as long as possible to increase accuracy of measurement. For best results,
repeat the procedure two or three times.
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2. HORIZONTAL MODE
Note 3: Each time the [FISH] key is pressed the latest fish mark and ship’s
speed mark change in the sequence shown below.
This data is the latest fish
mark data.
[FISH] key pressed once
twice
three times
four times
Fish mark
2.17.2 Deleting fish marks
Fish marks can be deleted individually with the [DELETE MARK] key or by
earliest entry through the menu. Note that the [DELETE MARK] key also erases
event marks.
Deleting fish marks with the [DELETE MARK] key
Use the trackball to place the trackball mark on the fish mark you want to erase.
The color of the fish mark changes from white to red when the fish mark is
correctly selected. Press the [DELETE MARK] key to delete the fish mark.
Deleting fish marks through the menu
1. Press the [MENU] key to show the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ERASE MARKS and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ERASE MARKS
EVENT MARK
FISH MARK
OWN SHIP POS MARK: DELETE
SHIP'S TRACK : DELETE
: DELETE
: DELETE
ERASE MARKS menu
4. Select FISH MARK and press the [MENU] key. Each press of the [MENU]
key deletes the earliest fish mark.
5. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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2. HORIZONTAL MODE
2.18 Event Mark, Own Ship Position Mark
The event mark is useful for finding the horizontal range, depth and bearing to a
location some distance from current position. 10 such marks may be inscribed
on the horizontal display. This function requires speed and heading data.
There are two types of event marks, latest event mark (⊕) and event mark (+).
Each time an event mark is entered the latest event mark appears at the
trackball mark position and all other event marks are shown by the “plus” (+)
mark and numbered in sequential order. When the memory capacity for event
marks is reached the earliest event mark is automatically erased to make room
for the latest.
The own ship position mark ( , red) is used to mark current position.
2.18.1 Entering an event mark
1. Set the trackball mark where you want to place an event mark.
2. Press the [EVENT] key. The horizontal range, depth and bearing to the event
mark appear at the bottom left corner of the horizontal display area.
→234: Horizontal range (m) from own ship mark
↓19: Present depth (m) to mark
(35): Depth (m) of mark at moment EVENT key is pressed.
B265: Present bearing (degree)
Bottom left-hand corner of the screen
Event mark data
With speed and heading data the mark follows own ship’s movements. In the
True Motion mode, the event mark is stationary. When the tilt angle is changed
mark position changes with slant range. Note however that the mark’s position
does not change when automatic tilt is active; the tilt center angle is used to
position the mark.
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2. HORIZONTAL MODE
Plotting an event mark on the display is equivalent to dropping a buoy with an
anchoring chain that extends from surface to bottom. The buoy is fixed at its
geographical location, but the marker on the display moves to a point where
present beam plane intersects the anchor chain of the buoy as ship moves or
the tilt angle is changed. This can be said about marks as well such as fish mark
and trackball mark.
(35)
Stored when
EVENT key is
pressed.
B
You observe picture from
direction of ꢃmark.
A
Event mark description
2.18.2 Entering an own ship position mark
Place the trackball mark close to the center of the own ship mark and press the
[EVENT] key. Ten own ship position marks may be inscribed. When the capacity
for own ship position marks is reached the earliest own ship position mark is
automatically erased.
2.18.3 Deleting an event mark, own ship position mark
Event marks and own ship position marks can be deleted individually with the
[DELETE MARK] key or by earliest entry through the menu.
Deleting event marks, own ship position mark with the [DELETE MARK] key
Use the trackball to place the trackball mark on the event mark or own ship
position mark you want to erase. The color of the mark changes from white to
red when the mark is correctly selected. Press the [DELETE MARK] key to
delete the mark.
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2. HORIZONTAL MODE
Deleting event marks, own ship position mark from the menu
1. Press the [MENU] key to show the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ERASE MARKS and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ERASE MARKS
EVENT MARK
FISH MARK
OWN SHIP POS MARK: DELETE
SHIP'S TRACK : DELETE
: DELETE
: DELETE
ERASE MARKS menu
4. Select EVENT MARK (or OWN SHIP POS MARK) and press the [MENU] key.
Each pressing deletes the earliest event mark (or own ship position mark).
5. Select QUIT at the top of the menu screen and press the [MENU] key to quit
all menus.
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2. HORIZONTAL MODE
2.19 Net Course Mark
Before shooting the net, decide the shoot timing considering tide direction,
distance to the fish school and moving direction of the fish school. Use the net
course mark as a guide to decide the timing. This function requires speed and
heading data.
Inscribing the net course mark
1. Press the [MENU] key to open the main menu.
2. Select OTHERS and press the [MENU] key to open the OTHERS menu.
3. Select DISPLAY SETTING and press the [MENU] key to open the DISPLAY
SETTING menu.
4. Select NET COURSE MARK and press the [MENU] key. Instructions for
setting the net course mark appear on the display.
Net course mark
<<NET SHOOT SETTING>>
PLACE NET SHOOT CIRCLE BY
TRACKBALL AND PRESS MENU KEY TO SET.
PRESS R/B KEY TO CANCEL.
Net course mark
5. Use the trackball to position the net course mark, which is shown by a
dashed circle.
6. Press the [MENU] key to set, and the dashed circle changes to a solid one.
7. Select QUIT at the top of the menu screen and press the [MENU] key to quit
all menus.
* To delete the net course mark, repeat the above procedure.
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2. HORIZONTAL MODE
2.20 Observing Net Behavior
With net sonde connection you can observe net behavior after the throwing of
the net. Accurate depiction of net sonde position depends on proper setting of
the distances between net sonde transmitters. You can set those distances on
the OTHERS - INITIAL SETTING - NET SONDE SETTNG menu.
This function requires speed and heading data.
1. Press the [SHOOT] key just upon throwing the net into the water. The
following actions occur:
• Net shoot mark ( ) appears at own ship position.
• Net shoot data appears.
• Net sonde mark is inscribed.
• Net depth data is displayed.
• Water depth data and water temperature data erased from own ship’s
track.
• In an ES combination mode, tide data and net depth replace the water
temperature graph.
• In an ES combination mode, the picture advance method changes to
“speed sync.”
• In an ES combination mode, the picture advance width appears on the ES
display.
2. To erase the net sonde mark and associated data, press the [SHOOT] key
again.
NET SHOOT DATA
Distance run from shooting of net
Time elapsed from shooting of net
N
N-UP H
202m
193m
59m
0.53NM
5:32
R
300m
NUMERIC
DATA
AUTO
T 17˚
(21˚)
G 10
B
296˚
DISPLAY
P
8
85
NET DEPTH
S1 134m
S2 178m
W
E
2
1
2
S3 213m
1
3
1
1
2
2
150
2000
3
3
1
1
1
1
2
3
S
Net shoot mark Net depth data
Net sonde mark
Net behavior
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2. HORIZONTAL MODE
2.21 Storing, Recalling Picture
The current picture can be stored in the memory, and recalled whenever desired.
This feature is useful for analyzing echoes.
2.21.1 Storing the picture
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select PRESET, MEMORY CARD and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
PRESET, MEMORY CARD
ASSIGN USER PROG...
CLEAR F-KEY SETTING
H/S-SCAN RANGE
V-SCAN RANGE
PICTURE SHOT
PICTURE RECALL
MEMORY CARD...
: EXECUTE
: EXECUTE
PRESET, MEMORY CARD menu
4. Select PICTURE SHOT and press the [MENU] key.
5. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
2.21.2 Recalling stored picture
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select PRESET, MEMORY CARD and press the [MENU] key.
4. Select PICTURE RECALL and press the [MENU] key to recall the picture
stored in the memory.
5. Press the [MENU] key to erase the message displayed.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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2. HORIZONTAL MODE
2.22 OTHERS Menu
This section presents an overview of the OTHERS menu on the H-SCAN
SETTING menu.
2.22.1 Displaying the OTHERS menu
1. Press the [MENU] key to open the menu.
2. Select H-SCAN SETTING and press the [MENU] key to open the H-SCAN
SETTING menu.
3. Select OTHERS and press the [MENU] key to show the OTHERS menu.
MENU
H-SCAN SETTING
OTHERS
QUIT
QUIT
QUIT
COLOR
COLOR SETTING...
: COLOR 1
COLOR RESPONSE : COLOR CURVE 3
COLOR RESPONSE...
GAIN OFFSET
SIGNAL LEVEL
FAR TVG CURVE
: 0
: 0
: TVG2
ABSORPTION COEFF : 23.5dB
TVG DISTANCE...
2ND AGC DISTANCE : 0m
NEAR AGC DISTANCE: 200m
SMOOTH ECHO RNG : 0
SMOOTH ECHO CIR : 0
GAIN CONTROL
BEAMWIDTH...
: NORMAL
OTHERS menu
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2. HORIZONTAL MODE
2.22.2 OTHERS menu description
COLOR: Select color arrangement to use. The default setting is COLOR 1.
COLOR SETTING…: Customizes colors.
1. Select COLOR SETTING from the OTHERS menu and press the [MENU]
key. The following display appears.
2. Use the trackball to select color to change and press the [MENU] key.
Choose to register setting
and close menu.
H-SCAN COLOR 1
QUIT
Choose to cancel change.
CANCEL
Choose to restore
default colors.
DEFAULT
QUIT
Choose to quit.
COL
22
HUE
27
SAT
84
LUM
53
CANCEL
Choose to cancel.
COL: Cycles through default colors.
HUE: Adjusts color tint (Setting range: 0-100(%)).
SAT (Saturation): Adjusts color vividness
(Setting range: 0-100(%)).
LUM (Luminescence): Adjusts color brightness
(Setting range: 0-100(%)).
COLOR SETTING menu
3. Select S or T of item COL, HUE, SAT or LUM.
4. Press the [MENU] key to change the setting.
5. Repeat steps 3 and 4 to change level of other items.
6. Select QUIT and press the [MENU] key.
7. Repeat steps 2-6 to change other colors.
8. Select QUIT at the top of the menu and press the [MENU] key
9. Select QUIT at the top of the menu screen and press the [MENU] key to
finish.
Note: If you get lost in operation and want to return to default colors, select
DEFAULT and press the [MENU] key.
COLOR RESPONSE: Color response defines reflected echo strength versus
color level conversion. You can select one of four color response tables, and the
default setting is COLOR RESPONSE 3.
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2. HORIZONTAL MODE
COLOR RESPONSE…: Adjusts reflected echo strength versus echo color level
for currently selected color response number.
To adjust the curve, place the trackball at the point desired and press the
[MENU] key. On the horizontal axis input level relative value is shown in the
range from 0 to 100%. The setting range for input level is 0-100% in increments
of 10% and output level is 0-100% in any value.
To set input level versus output level, use the trackball to
place the trackball mark on location desired and press the
[MENU] key.
DEFAULT CANCEL QUIT
H-SCAN COLOR
100
DEFAULT: Select to restore default
setting for selected color response.
CANCEL: Select to cancel change.
QUIT: Select to finish.
80
60
40
20
Currently selected color
Input level scale
0
20
40
60
80
100
Color response curve
GAIN OFFSET: Adjusts gain level. If the front panel [GAIN] control does not
provide satisfactory gain adjustment, enter an offset here. The setting range is
0-12.
SIGNAL LEVEL: Dirty water or reflections from plankton may be painted on the
screen in green or light-blue. These echoes may be erased in order of strength.
The setting range is 0-15.
FAR TVG CURVE: Selects the TVG curve to use. The setting range is
TVG1-TVG4. The higher the setting the sharper the gain curve.
ABSORPTION COEFF: Attenuation of the acoustic pulse underwater varies with
sea area and water temperature. This menu item is provided to offset
absorption; however, the default setting is suitable in most cases. If sensitivity
decreases with distance, increase the absorption coefficient setting. And if it
increases with distance decrease this setting.
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2. HORIZONTAL MODE
TVG DISTANCE: Sets the TVG effective distance for near, medium and far
ranges.
Setting range
NEAR: 50-150 m, 10 m increments
MED: 300-500 m, 20 m increments
FAR: 600-1000 m, 40 m increments
To adjust a TVG curve, select S or T of item desired and press the [MENU] key
to change the setting.
Select to register
setting and finish.
QUIT
NEAR
100
MED
400
FAR
800
Select to cancel
change.
CANCEL
Select item with trackball
and press [MENU] key to
change setting.
TVG setting window
2ND AGC DISTANCE: Sets starting distance that 2nd AGC functions. The setting
range is 0 to 2000 m, in increments of 20 m. Setting is invalid if display range is
lower than this setting.
NEAR AGC DISTANCE: Sets Near AGC effective distance. Set the range
between 20 m and 300 m, in increments of 20 m.
SMOOTH ECHO RNG: Selects echo smoothing level in the range direction. The
setting range is 0-3. The higher the setting the greater the smoothing.
SMOOTH ECHO CIR: Selects echo smoothing level in circular direction. The
setting range is 0-3. The higher the setting the greater the smoothing.
GAIN CONTROL: If sensitivity is low even with maximum gain, change the
setting to WIDE. This doubles the control range.
BEAMWIDTH: Adjusts horizontal beamwidth. For further details see “2.10
Adjusting Beamwidth”.
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2. HORIZONTAL MODE
2.23 Interpreting the Horizontal Display
This section provides information necessary for interpreting the horizontal
display.
2.23.1 Bottom echoes
When the tilt angle is changed, the bottom echo illustrated below will appear on
the display. When the tilt is decreased (toward 0°), the bottom trace becomes
wider and weaker. By observing the bottom condition on the display, the skipper
can prevent net damage.
(A) Flat bottom
Tilt angle: 10° to 15°
Decreased tilt angle
Only half of
vertical beam width
captures the bottom.
(B) Flat bottom
Tilt angle: 20° or more
Bottom is displayed
narrower and in
stronger colors when
compared to (A).
(C) Sloping bottom
Tilt angle: 20° or more
Shallow bottom
is displayed in
a strong color
and with a
short tail.
Bottom
The deeper, sloping
bottom echo is displayed
in a weak color and
with a long tail.
Bottom echoes
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2. HORIZONTAL MODE
2.23.2 Fish schools
A fish school appears as a mass of echoes on the screen. The color of the mass
shows the density of fish schools on the sonar beam. To find distribution and
center point of a fish school, try several different tilt angles.
(A) Sea surface fish
Tilt angle: 0° to 10
Bottom echo not
displayed because
of decreased tilt angle.
Sea surface
Fish
school
reflections are
present.
Sea surface
reflections
(B) Midwater, bottom fish
Tilt angle: 30° or more
Fish echo which appears before bottom can be detected.
Bottom
Fish
school
Large midwater
fish school is
present.
Tilt angle: 0° to 20°
Fish echo which appears together with
or after bottom can be detected.
Fish
school
Bottom
When the tilt angle is shallow,
the reflection echo from bottom
is weak and the fish echo
which appears from bottom
is easy to find.
Fish schools
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2. HORIZONTAL MODE
2.23.3 Sea surface reflections
To reduce sea surface reflections, set the tilt angle to 5° or higher, so the upper
edge of the sonar beam does not hit the sea surface, or adjust TVG. When a
decreased tilt angle is used, sea surface reflections cover a large area as
illustrated below.
Sea surface
Tilt angle
indication
°
°
18
Tilt: 0
Sea surface
reflections
Sea surface
°
°
Tilt: 8 -9
°
18
Sea surface reflections
2.23.4 Wake
A wake produced by own ship or another ship can be a strong reflecting object
when a decreased tilt angle is used. As the wake appears as a thick continuous
line, it can be easily distinguished from a fish school. A wake contains many air
bubbles which attenuate ultrasonic energy, making it difficult to sound beyond
the wake.
Other
ship
Own
ship
Own ship's
screw noise
Wake produced
by other ship
Own ship's wake
Own ship's
screw noise
(produced when
own ship turned)
Wake
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2. HORIZONTAL MODE
2.23.5 Sidelobe echoes (false echoes)
An ultrasonic wave is emitted only in the direction set by the [TILT] control,
however there are some emissions outside the main beam. These are called
sidelobes. The energy of the sidelobe is fairly weak but when the water is
comparatively shallow and the bottom is rocky and hard, strong signals are
detected by the sidelobe. These are represented on the display as a false echo
as shown below.
Mainlobe echo
Sidelobe echo
Sidelobe
Mainlobe
The bottom echo
detected by sidelobe
appears at a certain
tilt angle when the
sidelobe points ver-
tically. Also, poor
soundome projection
may result in a similar
false echo.
Sidelobe echoes
2.23.6 Noise and interference
When the fishing ground is crowded with many fishing boats, the sonar is subject
to interference from ultrasonic equipment (echo sounder or sonar) on other
boats as well as those on own ship.
For instance, interference from the sonar operated on other boats will show itself
on the display as in (A) in the figure below. This interference can be suppressed
by changing the TX INTERVAL on the H-SCAN SETTING menu. Noise from
marine life shows itself on the displays as in (B) in the figure below. This type of
noise can be suppressed with the interference rejector on the H-SCAN
SETTING menu.
(A) Inteference from
other sonars (yours
or other's)
(B) Interference from
marine life
Noise and interference
.
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3. VERTICAL MODE
3.1
Basic Operating Procedure
4. Select vertical 1 or vertical 2 display.
2. Lower transducer.
: Mid protrusion
: Full protrusion
3. Adjust display brilliance.
6. Press appropriate key.
1. Turn on power.
FSV-84
V1/S
HSV
5. Set vertical
bearing mark to
display in vertical
display.
8. Select range.
9. Adjust gain.
7. Press to select vertical display if necessary.
Control unit
3-1
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3. VERTICAL MODE
3.2
Vertical Mode Concept
3.2.1
Overview
The vertical mode shows a vertical section of the horizontal display selected with
the vertical bearing mark. The figure below illustrates the concept of the vertical
mode, in comparison with the horizontal mode. The vertical mode helps you
keep fast moving fish such as bonito and tuna within the sonar beam.
Horizontal Mode
Vertical Mode
H-Beam
V- Beam
Vertical mode concept
3.2.2
Setting the vertical display
1. Use the trackball to place the trackball marker at the desired location in the
horizontal display.
2. Press the [V1/S] or [V2] key.
For example, press the [V1/S] key. Then, the Vertical 1 display appears, and the
vertical bearing marker is displayed in the horizontal display, with “V” at the tip of
the marker. If both vertical displays are activated, “1” or “2” is inscribed at the tip
of a vertical bearing marker.
Note: The TILT control functions as a bearing setting lever for the vertical
display1 in the conditions mentioned below. The bearing of the vertical display1
changes clockwise when the TILT control is pressed upward and
counterclockwise when pressed downward, changing in increments of two
degrees.
• The item TILT LEVER in the DISPLAY SETTING menu is set to “TILT & V1.”
• The vertical screen is chosen in the vertical mode.
3-2
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3. VERTICAL MODE
3.3 Vertical Mode Indications and Marks
3.3.1
Typical vertical display
The vertical mode provides a vertical section of the horizontal picture. You may
show the display on the right or left side of the screen in case of the vertical 1
mode. An expansion mode is available to enlarge the picture. To display the
vertical mode press the [MODE] key and choose V1, V1 & V2, V1 & ES1 or V1 &
ES2.The example below shows the V1 mode.
Vertical bearing mark
(See next page.)
Trackball data
N
1547m
Slant range
V
1473m
473m
Horizontal range
Vertical range
Angle to trackball
mark from
A
33°
horizontal
Trackball mark
position reference
mark
NUMERIC/
GRAPHIC
DATA
W
E
(See page 3-5.)
DISPLAY
000
1500
500
00
Vertical display 1
1000
12˚
V
R 2000m
G 8.0
S
Tilt mark
(Shows tilt angle set
on horizontal display.)
Target lock mark
(Entered on
horizontal display.)
1500
1000
0
Range scale
(Displays horizontal
range and depth.
Grid inscribed
in increments
500
of 1/4 of the range
in use.)
1000
VERTICAL SCAN DATA
Bearing, Range, Gain
V 12°
R 2000m
G 8.0
(Appears only in vertical 1 display;
vertical scan data is common to
both vertical 1 and vertical 2 displays.)
Bottom echo
Trackball mark
Vertical 1 display indications and markers
3-3
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3. VERTICAL MODE
3.3.2
Vertical bearing mark, tilt mark
The vertical bearing mark is displayed with solid and dashed lines and it shows
the bearing selected on the horizontal display. The circle at the top of the vertical
bearing mark has a “V” inside of it in the vertical 1 mode, or “1” and “2” as
appropriate when both the vertical 1 and vertical 2 modes are active. Its bearing
may be referenced to North (true) or ship’s heading (relative, default setting) on
the menu.
The tilt mark is a solid and dashed line which shows in the vertical display the tilt
angle set on the horizontal display.
The meaning of the solid and dashed lines are as shown in the table below.
Solid Line
Dashed Line
Vertical Bearing Mark
Tilt Mark
Range from own ship to
vertical scan range
Range further than vertical
scan range
Range from own ship to
horizontal scan range
Range further than
horizontal scan range
V = Vertical 1
1, 2 = Vertical 1, Vertical 2
HR = Horizontal Range
VR = Vertical Range
HR
V
VR
Vertical bearing mark
HR
Tilt angle
Tilt mark
Tilt mark
Vertical scan and horizontal scan ranges
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3. VERTICAL MODE
3.3.3
Trackball mark position reference mark
The trackball mark position reference mark, a solid circle, is inscribed on the
vertical bearing mark when the trackball mark is placed in the vertical display. Its
purpose is to show corresponding trackball mark position on the horizontal
display. It changes position with trackball mark position, tilt and range, and
disappears when its position is no longer within the range of the horizontal
display.
VERTICAL
DISPLAY
V (Vertical 1), or
1 or 2 (Vertical 2)
V
Vertical
bearing
mark
Trackball
mark position
reference
mark
Tilt mark
Trackball mark
Vertical bearing mark, trackball mark position reference mark
.
3.4
Auto Train
You may scan the vertical bearing mark in the sector of OFF, 12°, 24° and
36°.
1. Press and hold down the [AUTO TRAIN] key while pressing the [V1/S] or [V2]
key to choose auto train sector desired. Selected sector appears in large
characters for five seconds for your confirmation.
Auto train mark
Auto train sector
1
Vertical bearing
mark
Auto train
2. To quit the auto train, set OFF at the step 1.
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3. VERTICAL MODE
3.5
Display Range
The [RANGE] control selects the detection range. The range selected is
momentarily displayed in large characters at the center of the vertical 1 display.
Range is always displayed at the lower part of the vertical 1 display.
Below are the default ranges (in meters).
Range Setting
Range
1
2
3
4
5
6
100
200
400
600
800
1000
1. Press the [HSV] key to show the gain and range indications of the vertical
mode in yellow.
2. Operate the [RANGE] control to select desired range.
Note: Ranges may be preset as desired on the PRESET, MEMORY CARD
menu. For further details, see V-SCAN RANGE on page 9-5.
3.6 Measuring the Range
Operate the trackball to place the trackball mark on the vertical 1 (or vertical 2)
display. The range to the location selected is shown at the top left corner.
Trackball data
Slant range
Horizontal range
Vertical range
Angle to trackball
mark from
N
1547m
V
1473m
473m
A
33°
horizontal
NUMERIC/
GRAPHIC
DATA
Trackball mark
position
W
E
34 56.789N
°
123 45.678E
°
DISPLAY
000
1500
500
00
1000
V
12°
R 2000m
G 8.0
S
Trackball mark
Measuring range with the trackball
3-6
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3. VERTICAL MODE
3.7
Eliminating Weak Echoes
Echoes from targets such as bottom and fish return to the transducer in order of
distance to them, and when we compare their intensities at the transducer face,
those from nearer targets are generally stronger when their reflecting properties
are nearly equal. The sonar operator will be quite inconvenienced if these
echoes are directly displayed on the screen, since he cannot judge the actual
size of the target from the size of echoes displayed on the screen. To overcome
use the TVG function. It compensates for propagation loss of sound in water;
amplification of echoes on short range is suppressed and gradually increased as
range increases so that similar targets are displayed in the similar intensities
irrespective of the ranges to them.
The FSV-84 has three TVG functions, NEAR, MEDIUM and FAR, and they
mainly compensate for propagation loss on short, middle and long ranges
respectively, centered at the ranges as shown in the figure at the bottom of page
2-13. The higher the TVG setting the greater the amplification of echoes.
The TVG is also used to suppress unwanted echoes and noise which appear in
a certain range area on the screen such as sea surface reflections and cruising
noise. To set TVG properly, do the following:
1. Press the [MENU] key to open the main menu.
MENU
QUIT
TX PULSE LENGTH-H : 9
TX POWER-H
TVG-NEAR-H
TVG-MEDIUM-H
TVG-FAR-H
: 9
: 0
: 0
: 0
AGC-H
: 0
2ND AGC-H
ECHO AVERAGE-H
COLOR-H
: 0
: 0
: COLOR 1
COLOR RESPONSE-H : COLOR CURVE 3
H-SCAN SETTING...
V-SCAN SETTING...
OTHERS...
Main Menu
2. Select V-SCAN SETTING and press the [MENU] key.
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3. VERTICAL MODE
MENU
QUIT
QUIT
V-SCAN SETTING
TX PULSE LENGTH
TVG-NEAR
: 7
: 0
: 0
: 0
: 2
TVG-MEDIUM
TVG-FAR
NOISE LIMITER
REVERBERATION
: 0
SIDELOBE SUPPRESS : 0
AGC
: 0
: 0
: 0
2ND AGC
NEAR AGC
ECHO AVERAGE
INT REJECT
: 0
: 0
: 0
: 0
BOTTOM SUPPRESS
FREQ SHIFT
OTHERS...
V-SCAN SETTING menu
3. Select TVG-NEAR with the trackball and press the [MENU] key.
QUIT
CANCEL
TVG setting dialog box
4. Use the trackball to select S (raise setting) or T (lower setting) and press
the [MENU] key. The setting range is –5 to 5. The higher the setting the
further the TVG works.
5. Select QUIT and press the [MENU] key.
6. Repeat steps 3 and 4 to set TVG-MEDIUM and TVG-FAR.
When sea surface reflections or plankton layers disturb the picture, decrease
appropriate TVG option by one or two steps.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
3-8
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3. VERTICAL MODE
When a fish school is located on a long-range setting (about 800 meters) and
is approaching own ship do as follows:
Adjust the tilt to keep the fish school in the center of the sonar beam, namely,
fish school is displayed in strongest colors possible. Confirm that the fish
echo is displayed in the same color as it approaches. If the color suddenly
changes to weaker colors as the fish enters MEDIUM and NEAR areas, the
TVG is improperly set. Adjust the TVG. If this again produces sea surface
reflections and noise try to remove them with AGC and NL controls.
Note: If the above procedure does not produce satisfactory results, the TVG
curve can be changed on the V-SCAN SETTING menu. Also refer to section
3.8.4 “Adjust Near AGC”.
3-9
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3. VERTICAL MODE
3.8
Suppressing Bottom Tail
3.8.1
Adjust AGC
The AGC functions to automatically reduce the receiver gain only against strong
echoes such as the bottom or a large fish school. Since weak echoes remain
unaffected, a small fish school becomes easier to detect. Adjust it so that the
AGC works only on bottom reflections. Do not set it too high; weak echoes may
be missed.
1. Press the [MENU] key to open the main menu.
2. Select V-SCAN SETTING menu and press the [MENU] key.
3. Select AGC and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-9. The higher the setting the greater the degree of
suppression.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
3.8.2
Decrease pulse length
The pulse length determines the length of the transmission pulse emitted into the
water. While a longer pulse is advantageous for long-range sounding, it has the
disadvantage of being poor in discrimination of targets, that is, ability to separate
several closely located targets. When searching bottom fish, therefore, it is
useful to shorten the pulse length in order to separate fish echoes from bottom
reflections. Decrease the pulse length setting to shorten the pulse length. For
search of surface and midwater fish in which bottom reflections are not so strong,
use the longest pulse length “9”.
1. Press the [MENU] key to open the main menu.
2. Select the V-SCAN SETTING menu and press the [MENU] key.
3. Select TX PULSELENGTH and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-9. The higher the setting the longer the pulse length.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
3-10
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3. VERTICAL MODE
3.8.3
Adjust 2nd AGC
When an excessively strong echo is received in shallow or heavily sedimented
waters, you may not be able to suppress it by the TVG control alone. In this case,
a fish school which is displayed at more than 300 m away may disappear
gradually when the ship is approaching the fish school.
Use the Near TVG feature to suppress this strong echo. Normally set it between
3 and 4, however, this setting depends on the sea area. Do not set it too high; all
echoes (including noise) from near distance may be painted in red.
1. Press the [MENU] key to open the menu.
2. Select the V-SCAN SETTING menu and press the [MENU] key.
3. Select 2ND AGC and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-12. The higher the setting the greater the suppression.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
3.8.4
Adjust Near AGC
Sometimes excessively strong echo is received at a shallow area or an area
which exists thick, polluted sea layer, which may not be corrected by the normal
TVG setting. In this case, for example, fish school which is displayed at more
than 300 m may disappears gradually when the ship is approaching to the fish
school.
The Near AGC functions to suppress this reduction of gain. Normally set 3 to 4,
however, this setting depends on a sea area. Do not set it too high; echoes from
near distance may become clear red.
1. Press the [MENU] key to open the menu.
2. Select V-SCAN SETTING menu and press the [MENU] key.
3. Select NEAR AGC and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-10. The higher the setting the greater the echo level of
near distance.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
3-11
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3. VERTICAL MODE
3.9
Rejecting Interference and Noise
While observing the vertical mode display, you may encounter occasional or
intermittent noise and interference. These are mostly caused by on-board
electronic equipment, engine or propeller noise, or electrical noise from other
sonars being operated nearby.
3.9.1
Identifying noise source
To eliminate noise effectively, you should first identify the noise source as
follows:
1. Stop transmission from the TEST menu and turn on the power of all on-board
equipment one by one while observing the picture.
2. Run the boat at various speeds to check if the noise is speed dependent.
If neither of the above two steps has effect on the picture, do one of the
following:
3.9.2
Interference rejector
This control is similar to the interference rejector on echo sounders and radars. It
is effective for rejecting random noise and sea surface reflections in rough sea
conditions. Set it so that noise is just eliminated. Do not use an unnecessarily
high setting since it may also reject small wanted echoes.
1. Press the [MENU] key to open the menu.
2. Select the V-SCAN SETTING menu and press the [MENU] key.
3. Select INT REJECT and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-3. The higher the setting the greater the degree of
interference rejection.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
3-12
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3. VERTICAL MODE
3.9.3
Noise limiter
Weak, unwanted reflections, colored light-blue or green, appear when the water
is dirty, plankton layers exists, or due to ship’s noise. The noise limiter can
reduce the effects of these unwanted reflections. Raising the setting causes
unwanted reflections to become colors of blue to background color. Normally a
setting of 3 or 4 is sufficient.
1. Press the [MENU] key to open the menu.
2. Select the V-SCAN SETTING menu and press the [MENU] key.
3. Select NOISE LIMITER and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-15. The higher the setting the greater the degree of
suppression.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
3.9.4
Shifting Tx frequency
If interference cannot be suppressed by the interference, shift the Tx frequency
with FREQ SHIFT on the V-SCAN SETTING menu.
1. Press the [MENU] key to open the menu.
2. Select the V-SCAN SETTING menu and press the [MENU] key.
3. Select FREQ SHIFT and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is -65 to +65.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
3.9.5
3.9.6
Echo average
The ECHO AVERAGE in the V-SCAN SETTING menu adjusts echo afterglow,
which can be useful for watching echo movement. The setting range is 0-7. The
higher the number the longer echoes remain on the screen.
Reverberation reduction
You may choose the length of reverberation for the echo signal in the V-SCAN
SETTING menu. The larger the value the shorter the reverberation, which marks
it easer to see the echo signal. The setting range is 0-3.
3-13
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3. VERTICAL MODE
3.9.7
Suppressing gain of bottom echo
None-moving echoes such as bottom echo, plankton echo, etc., may be
suppressed by the setting of BOTTOM SUPPRESS in the V-SCAN SETTING
menu (moving echoes such as fish school are not effected by this setting). The
setting range is 0 to 10. The greater the setting, the greater the suppression
level of the bottom, etc.
Note: The excessive setting may suppress slow-moving fish school as well.
3.9.8
Suppressing sidelobes
Sidelobes on the vertical display can be suppressed in the vertical direction, with
SIDELOBE SUPPRESS on the V-SCAN SETTING menu. The setting range is 0
to 3 and 0 is OFF. The higher the setting the greater the suppression.
3-14
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3. VERTICAL MODE
3.10 Adjusting Beamwidth
The vertical beamwidth of the Rx beam can be adjusted on the OTHERS menu
to reduce surface reflections.
1. Press the [MENU] key to open the menu.
2. Select V-SCAN SETTING and press the [MENU] key.
3. Select OTHERS and press the [MENU] key.
MENU
V-SCAN SETTING
OTHERS
QUIT
QUIT
QUIT
COLOR
COLOR SETTING...
: COLOR 1
COLOR RESPONSE : COLOR CURVE 3
COLOR RESPONSE...
GAIN OFFSET
SIGNAL LEVEL
FAR TVG CURVE
: 0
: 0
: TVG 2
ABSORPTION COEFF : 23.5dB
TVG DISTANCE...
nd
2
AGC DISTANCE : 0 m
NEAR AGC DISTANCE: 200 m
SMOOTH ECHO RNG : 0
SMOOTH ECHO CIR : 0
BEAMWIDTH...
DISPLAY POSITION LEFT
VERTICAL SIZE
FULL
OTHERS menu
4. Select BEAMWIDTH and press the [MENU] key.
MENU
QUIT
QUIT
QUIT
QUIT
V-SCAN SETTING
OTHERS
BEAMWIDTH
BEAMWIDTH A : 0
BEAMWIDTH B : 0
Dialog box
5. Select BEAMWIDTH A and set appropriate value. The higher the setting the
sharper the horizontal resolution. The setting range is -4 to 5 plus AR and the
default setting is 0. AR means AUTO RANGE and it automatically adjusts
horizontal beamwidth according to the range.
6. Select BEAMWIDTH B and set appropriate value. This controls echo beam
width by echo processing. The setting range is 0-5, and the higher the setting
the greater the horizontal resolution.
7. Select QUIT and press the [MENU] key.
6. Select QUIT and press the [MENU] key.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
3-15
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3. VERTICAL MODE
3.11 Vertical Expansion Display
The vertical expansion display enlarges the selected vertical display. Set the
trackball mark on the desired location in the vertical 1 or vertical 2 display as
desired and then press the [V1/S] or [V2] key, whichever is appropriate.
N
1547m
1300m
850m
12
R
2000m
N-UP
V
AUTO T 17
(21
)
B
G 10
P
8
NUMERIC/
GRAPHIC
DATA
E
DISPLAY
1000
1500
250
500
V
12
R 2000m
G 8.0
Vertical 1 expansion display
To quit the expansion display, press the [V1/S] or [V2] key.
3-16
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3. VERTICAL MODE
3.12 OTHERS Menu
This section presents an overview of the OTHERS menu on the V-SCAN
SETTING menu.
3.12.1 Displaying the OTHERS menu
1. Press the [MENU] key to open the main menu.
2. Select V-SCAN SETTING and press the [MENU] key to open the V-SCAN
SETTING menu.
3. Select OTHERS and press the [MENU] key to open the OTHERS menu.
MENU
V-SCAN SETTING
OTHERS
QUIT
QUIT
QUIT
COLOR
COLOR SETTING...
: COLOR 1
COLOR RESPONSE : COLOR CURVE 3
COLOR RESPONSE...
GAIN OFFSET
SIGNAL LEVEL
FAR TVG CURVE
: 0
: 0
: TVG 2
ABSORPTION COEFF : 23.5dB
TVG DISTANCE...
nd
2
AGC DISTANCE : 0 m
NEAR AGC DISTANCE: 200 m
SMOOTH ECHO RNG : 0
SMOOTH ECHO CIR : 0
GAIN CONTROL
BEAMWIDTH...
: WIDE
DISPLAY POSITION LEFT
VERTICAL SIZE FULL
OTHERS menu
3-17
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3. VERTICAL MODE
3.12.2 OTHERS menu description
COLOR: Select color arrangement to use. The setting range 1-4.
COLOR SETTING: Customizes colors on the vertical display. Operation is same
as that for the horizontal display. For further details see “COLOR SETTING…”
on page 2-48.
COLOR RESPONSE: Color response defines reflected echo strength versus
color level conversion. You can select one of four color response tables, and the
setting range is 1-4.
COLOR RESPONSE…: Adjusts reflected echo strength versus echo color level
for currently selected color response number. Operation is the same as that for
the horizontal display. For further details see “COLOR RESPONSE…” on page
2-48.
GAIN OFFSET: Adjusts gain level. If the front panel [GAIN] control does not
provide satisfactory gain adjustment, enter an offset here. The setting range is
0-12.
SIGNAL LEVEL: Dirty water or reflections from plankton may be painted on the
screen in green or light-blue. These echoes may be erased in order of strength.
Select the signal level to erase with the trackball and press the [MENU] key. The
setting range is 0-15.
FAR TVG CURVE: Selects the TVG curve to use. The smaller the number the
gentler the gain change over distance.
ABSORPTION COEFF: Attenuation of the acoustic pulse underwater varies with
sea area and water temperature. This menu item is provided to offset absorption,
however the default setting is suitable in most cases. If sensitivity decreases with
distance, increase the absorption coefficient setting. And if it increases with
distance decrease this setting.
3-18
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3. VERTICAL MODE
TVG DISTANCE…: Sets the TVG effective distance for near, medium and far
ranges.
Setting range
NEAR: 50-150 m, 10 m increments
MED: 300-500 m, 20 m increments
FAR: 600-1000 m, 40 m increments
To adjust a TVG curve, select ▲or ▼of item desired and press the [MENU] key
to change the setting.
Select to register
setting and finish.
QUIT
NEAR
100m
MED
400m
FAR
800m
Select to cancel
change.
CANCEL
Select item with trackball
and press [MENU] key to
change setting.
Setting window
2ND AGC DISTANCE: Sets starting distance that 2nd AGC functions. The setting
range is 0 to 2000 m, in increments of 20 m. Setting is invalid if display range is
lower than this setting.
NEAR AGC DISTANCE: Sets Near AGC effective distance. Set the range
between 20 m and 300 m in increments of 20 m.
SMOOTH ECHO RNG: Selects echo smoothing level in the range direction. The
setting range is 0-3. The higher the setting the greater the smoothing.
SMOOTH ECHO CIR: Selects echo smoothing level in circular direction. The
setting range is 0-3. The higher the setting the greater the smoothing.
GAIN CONTROL: If sensitivity is low even with maximum gain, change the
setting to WIDE. This doubles the control range.
BEAMWIDTH: See page 3-15.
DISPLAY POSITION: Selects where to display the vertical display, left side or
right side. Left side is the default setting.
3-19
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3. VERTICAL MODE
VERTICAL SIZE: Selects display size from full and half. Choose “half” to expand
the effective viewing area on the horizontal display, The ratio for the full-size
display is H4:V3 and H4:V2 for the half-size display.
4
3
2
1
Full Size
Half Size
Display size
3-20
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3. VERTICAL MODE
3.13 Application to Bonito and Tuna Fishing
Tracking of bonito and tuna presents a special challenge to the sonar operator:
He must try to keep them within the sonar beam, a formidable task considering
their high speed and penchant for leaping and diving. The FSV-84, however, with
its vertical beam, makes this task easier.
3.13.1 Searching
Neither the naked eye nor binoculars can continually track fish schools which
make lightning quick runs between the surface and midwater. A sonar, however,
provides a continuous view of several hundred meters of sea area around the
boat, both at the surface and below it.
3.13.2 Tracking
If you are visually tracking a fish school which characteristically leaps and dives
regularly, or a school with a flock of birds hovering over it, the school will scatter
once the vessel approaches, thus you will lose sight of the school. This sonar
provides continuous pictures of underwater conditions, so you can always know
where a fish school is. For tracking the schools which leap and dive often the
vertical mode is especially effective.
Tracking
3.13.3 Approaching
The sonar lets you view fish school movement continuously, thus you can
approach a school confident of a good catch.
While a flock of birds hovering over the sea surface is usually a good indication
of the presence of a fish school, the sonar can better verify fish school size.
Approaching
3-21
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3. VERTICAL MODE
3.13.4 Catching
While the sonar operator monitors the sonar for other fish schools, the crew can
scatter bait and water to attract fish to the boat.
Catching
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4. SLANT MODE
4.1
Basic Operating Procedure
4. Select single "S" mode or combination "S" mode.
2. Lower transducer.
: Mid protrusion
: Full protrusion
3. Adjust display brilliance.
9. Push applicable key.
(For setting train angle.)
V1: Left, V2: Right
1. Turn on power.
FSV-84
V1/S
HSV
6. Select range.
8. Adjust tilt.
7. Adjust gain.
5. Select mode (horizontal/vertical, H1/H2)
for range and gain adjustment.
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4. SLANT MODE
4.2
Indications and Marks
4.2.1
Slant mode single display
The slant mode provides a half-circle (180°) picture, with own ship at the center.
To choose the slant mode single display, press the [MODE] key to choose “S”.
(Presetting of DISPLAY MODE on the DISPLAY SETTING menu is required.)
Train angle mark
Net shoot data
Fish track
Distance run from shooting
Time from shooting
Presentation mode
Target lock mark
Fish movement vector
Scan data
Range
Trackball data
N
•
•
•
•
Slant range
Horizontal range
Depth
Relative bearing
or True bearing*
Current auto tilt
N-UP S
148m
142m
45m
0.51NM
5:32
R
400m
°
T 17
(Auto train angle
Train angle**
Gain
°
(21 )
°
BO 50
°
B
115
G 10
P8
W
12m/s
User program no.
Fish mark
S
Wind speed, direction*
Latest event mark
Auto train mark
Latest fish mark
Line connecting
fish marks
A
Fish estimate mark
Fish estimate mark no.
Fish estimate mark data
Trackball mark
Audio bearing mark
1
Heading mark
North mark*
Own ship mark
W
E
1
3
85
2
Current (tide)
mark*
3
1
2
3
Range ring
Bearing scale
Event mark
2
1
1
Own ship position mark
Ship's track*
2
150
2
3
1
1
2
3
Event mark data
158m
48m
(210m)
1
230m
70m
2
3
•
•
•
•
Horizontal range
Present depth
Depth at measured
Relative bearing
or True bearing*
* Requires appropriate
sensor.
S 12.3kt
R 146m
34°56.789N
123°45.678E
°
°
°
290
B
330
C
262
B
S
Target lock/fish movement data
Horizontal range
Depth
Speed
Course
Range ring
data
•
•
•
•
Net shoot
mark
Range
mark
Net
sonde mark*
Range mark and
audio bearing
mark data
Trackball mark
position
** The slant mode provides a half-circle display. Other than the train angle indication,
the indications are the same as those on the horizontal display.
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4. SLANT MODE
4.2.2
Slant mode combination display
The slant mode combination display shows one of four kinds of horizontal
display combinations: LANDSCAPE, PORTRAIT, RIGHT INSET and LEFT
INSET.
1. Press the [MENU] key to open the main menu.
MENU
QUIT
TX PULSE LENGTH-S : 9
TX POWER-S
TVG-NEAR-S
TVG-MEDIUM-S
TVG-FAR-S
: 9
: 0
: 0
: 0
AGC-S
: 0
2ND AGC-S
ECHO AVERAGE-S
COLOR-S
: 0
: 0
: COLOR 1
COLOR RESPONSE-S : COLOR CURVE 3
S-SCAN SETTING...
V-SCAN SETTING...
OTHERS...
Main Menu
2. Select OTHERS with the trackball and press the [MENU] key to open the
OTHERS menu.
MENU
QUIT
QUIT
OTHERS
ES1 SETTING...
ES2 SETTING...
ERASE MARKS...
DISPLAY SETTING...
ALARM & AUDIO...
PRESET, MEMORY CARD...
INITIAL SETTING...
OTHERS menu
4-3
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4. SLANT MODE
3. Select DISPLAY SETTING and press the [MENU] key to open the DISPLAY
SETTING menu.
MENU
OTHERS
QUIT
QUIT
QUIT
DISPLAY SETTING
DISPLAY MODE...
MODE SELECTION
TX/RX MODE
: MODE KEY
: ALTERNATIVE
: LANDSCAPE
H2/S DISPLAY
PRESENTATION MODE : HEAD UP
TM DISPLAY RANGE
BEARING REF
TILT LEVER
: 1.6R
: SHIP HEADING
: TILT
S AUTO OFF CENTER : OFF
H-SLICE WIDTH
H-SLICE PICT ADVC
NET COURSE MARK
MANUAL DEGAUSS
AUTO DEGAUSS
DIMMER
: 16
: KP SYNC
: ENTER
: EXECUTE
: INT SENSOR
: 10
KEY BEEP VOLUME
: 5
DISPLAY SETTING menu
4. Select H2/S DISPLAY and press the [MENU] key.
QUIT
CANCEL
LANDSCAPE
PORTRAIT
RIGHT INSET
LEFT INSET
Dialog box for setting slant combination display
5. Select the desired combination with the trackball and press the [MENU] key.
6. Select QUIT and press the [MENU] key to finish.
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4. SLANT MODE
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
N
N-UP
3902m
3678m
1346m
278˚
9.83NM
5:32
H1
R
4000m
AUTO
T 17˚
(21˚)
G 10.0
B
W
12m/s
P
8
H1 display
1
85
1
1
2
N
H2
R
1000m
T 24˚
G
P
7.5
6
1
Slant display
2975m
156m
(164m)
128˚
2975m
153m
12.3kt
256˚
32˚52.150N
132˚12.150E
S
C
R
B
1056m
234˚
1
2
B
LANDSCAPE
NUMERIC/
GRAPHIC
DATA
DISPLAY
PORTRAIT
4-5
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4. SLANT MODE
N
NUMERIC/
GRAPHIC
DATA
W
E
N
DISPLAY
0
3
1
2
3
S
LEFT INSET
N
NUMERIC/
GRAPHIC
DATA
W
E
1
2
DISPLAY
3
30
S
RIGHT INSET
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4. SLANT MODE
4.3
Display Range
The [RANGE] control selects the detection range. The range selected is
momentarily displayed in large characters at the top of the screen. Range is
always displayed at the top right hand corner of the screen.
SEA SURFACE
on the screen.
Range indicated
BOTTOM
Range concept
Below are the default ranges (in meters).
Range Setting
Range
1
2
3
4
5
6
100
200
400
600
800
1000
1. If the slant display or slant combination display is active, press the [HSV] key
to choose the slant mode.
Range and gain indications for the slant display are shown in yellow.
2. Operate the [RANGE] control to select desired range.
Note 1:Ranges may be preset as desired on the PRESET, MEMORY CARD
menu. For further details, see H/S-SCAN RANGE on page 9-5.
Note 2: With the target lock feature active, range is automatically changed
according to target position. (INTERLOCK on the TARGET LOCK menu is set to
the option TILT&RANGE.)
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4. SLANT MODE
4.4
Tilt Angle
The tilt angle shows the direction to which the sound wave is emitted. When the
sound wave is emitted horizontally, the tilt angle is said to be 0° and when
vertically, 90°. The tilt angle can be set between –5°(upward) to 90° (downward),
in increments of 1°. The tilt angles for horizontal 1 and horizontal 2 modes can
be set independently of one another. For further details, see section 4.4.4 and
4.4.5.
4.4.1
Setting the tilt angle
To manually set a tilt angle, operate the [TILT] control. Watch the tilt angle
indication and tilt angle indicator at the top right corner of the screen.
Select tilt angle depending on target fish. For surface fish select a shallow angle
(about 5°) and for bottom fish, a deep angle.
-5-degree
0-degree horizontal direction (tilt angle 0-degree)
Transducer
Tilt angle setting range
+90-degree
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4. SLANT MODE
4.4.2
Automatic tilt
The [AUTO TILT] key automatically scans the tilt angle within the selected width.
This is useful when you want to find the center depth of a fish school.
1. Press the [AUTO TILT] key to select auto tilt angle desired. Each time the
[AUTO TILT] key is pressed the auto tilt angle changes in the following
sequence.
OFF →
[
1 - 4°
]
→
[
2 - 6°
]
→
[
3 - 8°
]
(Narrow)
(Wide)
OFF →
[
2 - 10°
]
→
[
4 - 16°
]
→
[
6 - 20°
]
Automatic tilt range (narrow) with AUTO TILT key
Range
Width (1)
Width (2)
Width (3)
Period
60, 100
150, 200
300, 400
500, 600
700, 800
900, 1000
1100 and more
4°∗
2°
1°
As above
As above
As above
As above
6°∗
4°∗
2°
As above
As above
As above
As above
8°∗
6°∗
4°∗
3°
As above
As above
As above
Period: One trans.
Tilt angle changes
in 2° increments for
asterisk-marked
width;
1° increments for
all other widths.
Automatic tilt range (wide) with AUTO TILT key
Range
Width (1)
Width (2)
Width (3)
Period
60, 100
150, 200
300, 400
500, 600
700, 800
900, 1000
1100 and more
10°
As above
As above
8°
6°
4°
2°
16°
20°∗
As above
As above
As above
16°
12°
6°
Period: One trans.
Period: Four trans.
Period: Two trans.
Same as above
Same as above
Same as above
Same as above
As above
As above
As above
12°
8°
4°
* For the H1/S combination display, two transmissions/period at depth
between 60 and 200 m and one transmission/period for range 300 m or
greater.
Note: Wide tilt angle is activated from the SYSTEM menu. For further details,
contact your dealer.
2. Auto tilt begins, with the tilt angle set with the [TILT] control as the center tilt
angle.
3. If necessary, change center tilt angle with the [TILT] control.
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4. SLANT MODE
For example, when the [RANGE] control, [TILT] control and [AUTO TILT] key are
set to 800 m, 8° and width (1) respectively, the tilt angle changes at each
transmission as follows:
8°→9°→8°→7°→8°
Tilt angle setting
Auto tilt concept
Note: The [AUTO TILT] key is inoperative when the target lock function is active
or is made active. Once the target lock is turned off auto tilt operation is
resumed.
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4. SLANT MODE
4.5
Auto Training
This feature provide automatic training of the Tx and Rx beams in left and right
directions to enable search over a wide area.
1. Press the [V1/S] or [V2] key to set center angle for automatic training.
Each press of those keys displays center angle for automatic training at the
center of the screen.. Operate [V1/S] to change training rightward; [V2] to
change training leftward.
2. While pressing the [AUTO TRAIN] key press the [V1/S] key to set train angle.
The choices are ±30°, ±90°, ±120° and OFF..
Bow
Train center angle
Train angle
Auto train is automatically cancelled when target lock is activated, and the train
angle is set where the target lock mark is entered. When target lock is disabled,
auto train resumes from the bearing in use at the time of deactivation of target
lock. Auto train cannot be activated if target lock is currently active.
4.6 Measuring Range and Bearing to a Target
Operate the trackball to place the trackball mark on the target you want to
measure the range and bearing. The range, bearing and depth to the target
appear at the upper left corner of the screen.
ꢀ
ꢁ
ꢂ
B
TRACKBALL DATA
Trackball mark
ꢀ
ꢁ
ꢂ
Slant range
Horizontal range
Depth
Heading line
B Relative or
True bearing*
Own ship mark
* Four display formats
available. See OTHER
MARKS on page 9-11.
34 56.789N
°
°
Trackball mark
L/L position
123 45.678E
Location of trackball data
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4. SLANT MODE
4.7
Eliminating Weak Echoes
Echoes from targets such as bottom and fish return to the transducer in order of
distance to them, and when we compare their intensities at the transducer face,
those from nearer targets are generally stronger when their reflecting properties
are nearly equal. The sonar operator will be quite inconvenienced if these
echoes are directly displayed on the screen, since he cannot judge the actual
size of the target from the size of echoes displayed on the screen. To overcome
this inconvenience, use the TVG function. It compensates for propagation loss of
sound in water; amplification of echoes on short range is suppressed and
gradually increased as range increases so that similar targets are displayed in
the similar intensities irrespective of the ranges to them.
The FSV-84 has three TVG functions, NEAR, MEDIUM and FAR, and they
mainly compensate for propagation loss on short, middle and long ranges
respectively, centered at the ranges shown below. The higher the TVG setting
the greater the amplification of echoes.
Note: TVG distances can
be adjusted from the
menu.
See page 4-43.
Principle of TVG
The TVG is also used to suppress unwanted echoes and noise which appear in
a certain range area on the screen such as sea surface reflections and cruising
noise. To set TVG properly, do the following:
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4. SLANT MODE
1. Press the [MENU] key to open the main menu.
2. Select S-SCAN SETTING with the trackball and press the [MENU] key to
open the S-SCAN SETTING menu.
MENU
QUIT
QUIT
S-SCAN SETTING
TX INTERVAL
: 9
: 9
TX PULSE LENGTH
TX POWER
TVG-NEAR
: 9
: 0
: 0
: 0
: 2
TVG-MEDIUM
TVG-FAR
NOISE LIMITER
REVERBERATION
: 0
SIDELOBE SUPPRESS : 1
AGC
: 0
: 0
2ND AGC
NEAR AGC
: 0
: 0
: 0
: 0
ECHO AVERAGE
INT REJECT
BOTTOM SUPPRESS
FREQ SHIFT
: 0
FREQ/BEARING SET
OTHERS...
: 180
S-SCAN SETTING menu
3. Select TVG-NEAR with the trackball and press the [MENU] key to show the
dialog box.
QUIT
CANCEL
Numeric data entry dialog box
4. Use the trackball to select S or T and press the [MENU] key to set. The
setting range is –5 to 5. The higher the setting the greater the TVG effect.
5. Select QUIT and press the [MENU] key.
6. Repeat steps 3-5 to set TVG-MEDIUM and TVG-FAR.
When sea surface reflections or plankton layers disturb the picture, decrease
appropriate TVG option by one or two steps.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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4. SLANT MODE
Note: When a fish school is located on a long-range setting (about 800 meters)
and is approaching own ship do as follows:
Adjust the tilt to keep the fish school in the center of the sonar beam, namely,
fish school is displayed in strongest colors possible. Confirm that the fish echo
is displayed in the same color as it approaches. If the color suddenly changes
to weaker colors as the fish enters MEDIUM and NEAR areas, the TVG is
improperly set. Adjust the TVG. If this again produces sea surface reflections
and noise try to remove them with the AGC and noise limiter.
If the above procedure does not produce satisfactory results, the TVG curve
can be changed on the OTHERS sub menu in the H-SCAN SETTING menu.
Also, adjust the setting of NEAR AGC, referring to next section.
4.8
Suppressing Bottom Tail
4.8.1
Adjust AGC
The AGC functions to automatically reduce the receiver gain only against strong
echoes such as the bottom or a large fish school. Since weak echoes remain
unaffected, a small fish school becomes easier to detect. Adjust it so that the
AGC works only on bottom reflections. Do not set it too high; weak echoes may
be missed.
1. Press the [MENU] key to open the menu.
2. Select S-SCAN SETTING menu and press the [MENU] key.
3. Select AGC and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-9. The higher the setting the greater the degree of
suppression.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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4. SLANT MODE
4.8.2
Decrease pulse length
The pulse length determines the length of the transmission pulse emitted into the
water. While a longer pulse is advantageous for long-range sounding, it has the
disadvantage of being poor in discrimination of targets, that is, the ability to
separate several closely located targets. When searching bottom fish, therefore,
it is useful to shorten the pulse length in order to separate fish echoes from
bottom reflections. Decrease the pulse length setting to shorten the pulse length.
For search of surface and midwater fish in which bottom reflections are not so
strong, use the longest pulse length “9”.
1. Press the [MENU] key to open the menu.
2. Select the S-SCAN SETTING menu and press the [MENU] key.
3. Select TX PULSE LENGTH and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-9. The higher the setting the longer the pulse length.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
4.8.3
Adjust 2nd AGC
While it is ideal to suppress bottom echoes with the AGC alone there are some
fishing grounds where this is not possible. (The high power sonar has the
advantage of long-range detection but this can also be a disadvantage, since
weaker echoes may be hidden in strong, unwanted echoes such as the bottom.)
If you cannot suppress bottom echoes or sea surface reflections by the AGC
function alone, use the 2nd AGC feature. Normally a setting of 1 or 2 is suitable.
For especially strong echoes, use a setting of 3 or 4.
1. Press the [MENU] key to open the menu.
2. Select the S-SCAN SETTING menu and press the [MENU] key.
3. Select 2nd AGC and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-12. The higher the setting the greater the suppression.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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4. SLANT MODE
4.8.4
Adjust Near AGC
When an excessively strong echo is received in shallow or heavily sedimented
waters, you may not be able to suppress it by the TVG control alone. In this case,
a fish school which is displayed at more than 300 m away may disappear
gradually when the ship is approaching the fish school.
Use the Near TVG feature to suppress this strong echo. Normally set it between
3 and 4, however, this setting depends on the sea area. Do not set it too high; all
echoes (including noise) from near distance may be painted in red.
1. Press the [MENU] key to open the menu.
2. Select S-SCAN SETTING menu and press the [MENU] key.
3. Select NEAR AGC and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-10. The higher the setting the greater the echo level of
near distance.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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4. SLANT MODE
4.9
Suppressing Bottom and Sea Surface
Reflections in Shallow Waters
In shallow fishing grounds with hard or rocky bottom, bottom reflections often
interfere with wanted fish echoes and they can not be eliminated sufficiently with
the aforementioned TVG and AGC functions, especially when the TILT is set to a
larger angle in order to track fish schools approaching within 400 m. In such
cases try to reduce the output power by adjusting the Tx output instead of
turning down the gain. The picture becomes clearer when output power is
reduced rather than when the GAIN is decreased as illustrated below.
INCORRECT
METHOD
Fish echo
Fish echo
weakened
TVG and AGC
adjusted with
TX POWER kept high
CORRECT
METHOD
Fish echo
Reduce TX POWER
with GAIN kept
constant
How to suppress bottom and sea surface reflections in shallow waters
1. Press the [MENU] key to open the menu.
2. Select the S-SCAN SETTING menu and press the [MENU] key.
3. Select TX POWER and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-9. The higher the setting the higher the Tx power.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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4. SLANT MODE
4.10 Rejecting Sonar Interference and Noise
While observing the sonar picture, you may encounter occasional or intermittent
noise and interference. These are mostly caused by on-board electronic
equipment, engine or propeller noise, or electrical noise from other sonars being
operated nearby.
4.10.1 Identifying noise source
To eliminate noise effectively, you should first identify the noise source as
follows:
1. Stop transmission on the TEST menu, by turning on “TX” in the TEST menu,
and turn on the power of all on-board equipment one by one while observing
the picture. If noise appears on the sonar display, that equipment is emitting
noise. Check the offending equipment’s ground and installation.
2. Run the boat at various speeds to check if the noise is speed dependent.
If neither of the above two steps has effect on the picture, adjust one of the
following:
4.10.2 Interference rejector
This control is similar to the interference rejector on echo sounders and radars. It
is effective for rejecting random noise and sea surface reflections in rough sea
conditions. Set it so that noise is just eliminated. Do not use an unnecessarily
high setting since it may also reject small wanted echoes.
1. Press the [MENU] key to open the menu.
2. Select the S-SCAN SETTING menu and press the [MENU] key.
3. Select INT REJECT and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-3. The higher the setting the greater the degree of
interference rejection.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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4. SLANT MODE
4.10.3 Changing Tx interval
When other sonars nearby are operating the same transmission interval as that
of own ship’s sonar, an interference ring appears on the display. To erase the
interference ring from the screen, reduce the TX INTERVAL on the H-SCAN
SETTING menu.
Interference
Tx interval high
Tx interval lowered
How TX INTERVAL works
1. Press the [MENU] key to open the menu.
2. Select the S-SCAN SETTING menu and press the [MENU] key.
3. Select TX INTERVAL and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-9. The higher the setting the longer the Tx interval. The
setting 0 is same as the setting 9.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
Note: When the sonar is used in shallow water with the range set between 60 m
and 200 m and Tx cycle at “9”, bottom reflections caused by the 2nd-to-the-last
transmission may appear on near ranges. Lower the Tx interval by 2 or 3 steps
to suppress them.
4.1.0.4 Shifting Tx frequency
If interference cannot be suppressed by the interference rejector or Tx interval,
shift the Tx frequency with FREQ SHIFT on the H-SCAN SETTING menu.
1. Press the [MENU] key to open the menu.
2. Select the S-SCAN SETTING menu and press the [MENU] key.
3. Select FREQ SHIFT and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is -65 to +65.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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4. SLANT MODE
4.10.5 Noise limiter
Weak, unwanted reflections, colored light-blue or green, appear when the water
is dirty, plankton layers exists, or due to ship’s noise. The noise limiter can
reduce the effects of these unwanted reflections. Raising the setting causes
unwanted reflections to be displayed in colors of blue to background color.
Normally a setting of 3 or 4 is sufficient.
1. Press the [MENU] key to open the menu.
2. Select the S-SCAN SETTING menu and press the [MENU] key
3. Select NOISE LIMITER and press the [MENU] key.
4. Adjust setting from the dialog box as appropriate and press the [MENU] key.
The setting range is 0-15. The higher the setting the greater the degree of
suppression.
5. Select QUIT and press the [MENU] key.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
4.10.6 Echo average
Adjusts echo afterglow, which can be useful for watching echo movement in the
S-SCAN SETTING menu. The setting range is 0-7. The higher the number the
longer echoes remain on the screen.
4.10.7 Reverberation reduction
You may choose the length of reverberation for the echo signal in the S-SCAN
SETTING menu. The larger the value the shorter the reverberation, which
makes it easer to see the echo signal. The setting range is 0-3.
4.10.8 Suppressing gain of bottom echo
None-moving echoes such as bottom echo, plankton echo, etc., may be
suppressed by the setting of BOTTOM SUPPRESS in the H-SCAN SETTING
menu (moving echoes such as fish school are not effected by this setting). The
setting range is 0 to 10. The greater the setting, the greater the suppression
level of the bottom, etc.
Note: Too high a setting may suppress slow-moving fish school as well.
4.10.9 Suppressing sidelobes
Sidelobes are fairly emissions generated outside the main beam. The energy of
the sidelobe is fairly weak but when the water is comparatively shallow and the
bottom is rocky and hard, strong signals are detected by the sidelobe.
To reduce the effect of sidelobes, adjust SIDELOBE SUPPRESS from the
S-SCAN SETTING menu. The setting range is –3 to +3 and the default setting
is 0. The higher the setting the greater the sidelobe suppression. If there is a
difference between the port and starboard side images, use a minus setting.
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4. SLANT MODE
4.11 Adjusting Beamwidth
The horizontal beamwidth of the Rx beam can be adjusted at the OTHERS
menu as below to raise the horizontal resolution.
1. Press the [MENU] key to open the menu.
2. Select S-SCAN SETTING and press the [MENU] key.
3. Select OTHERS and press the [MENU] key.
MENU
S-SCAN SETTING
OTHERS
QUIT
QUIT
QUIT
COLOR
COLOR SETTING...
: COLOR 1
COLOR RESPONSE : COLOR CURVE 3
COLOR RESPONSE...
GAIN OFFSET
SIGNAL LEVEL
FAR TVG CURVE
: 0
: 0
: TVG2
ABSORPTION COEFF : 23.5dB
TVG DISTANCE...
2ND AGC DISTANCE : 0m
NEAR AGC DISTANCE: 200m
SMOOTH ECHO RNG : 0
SMOOTH ECHO CIR : 0
GAIN CONTROL
BEAMWIDTH...
: NORMAL
.OTHERS menu
4. Select BEAMWIDTH and press the [MENU] key to open the dialog box.
MENU
QUIT
QUIT
QUIT
QUIT
S-SCAN SETTING
OTHERS
BEAMWIDTH
BEAMWIDTH A : 0
BEAMWIDTH B : 0
Numeric data entry dialog box
5. Select BEAMWIDTH A and set appropriate value. The higher the setting the
sharper the horizontal resolution. The setting range is -4 to 5 plus AR and the
default setting is 0. AR means AUTO RANGE and it automatically adjusts
horizontal beamwidth according to the range.
6. Select BEAMWIDTH B and set appropriate value. This controls echo beam
width by echo processing. The setting range is 0-5, and the higher the setting
the greater the horizontal resolution.
7. Select QUIT and press the [MENU] key.
8. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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4. SLANT MODE
4.12 Tracking a Fish School (target lock)
The target lock function automatically tracks a fish school so you won’t lose sight
of it on the display. Two types of target lock are available: position tracking
(TARGET MARK) and fish school tracking (FISH) and you may select one from
the menu as below. Default setting is “FISH.” However, if the FSV-84 cannot
receive an echo of sufficient level of echo, tracking may not be performed.
4.12.1 Selecting target lock type
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select INITITAL SETTING and press the [MENU] key.
4. Select YES and press the [MENU] key to confirm the CAUTION indicated.
5. Select TARGET LOCK and press the [MENU] key.
MENU
QUIT
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
TARGET LOCK
TRACKING METHOD
TILT INTERLOCK
: FISH
:
TILT&RANGE
MARK INTERLOCK
TRACKING DATA
THRESHOLD
:
ESTIMATE MARK
: H&V
: 16
BOTTOM THRESHOLD
TARGET SPEED LIMIT
SMOOTHING
: 3
: 5kt
: 0.5
TARGET SPD UPDATE
: 60SEC
TARGET LOCK WINDOW : NORMAL
DIMENSION SETUP
VOLUME SETUP
: 25t/1000m2
: 25t/1000m3
TARGET LOCK menu
6. Select TRACKING METHOD and press the [MENU] key to open the dialog
box.
QUIT
CANCEL
TARGET MARK
FISH
Target lock type dialog box
7. Use the trackball to select TARGET MARK or FISH as appropriate and press
the [MENU] key.
8. Select QUIT and press the [MENU] key.
9. Select QUIT at the top of the menu screen and press the [MENU] key to quit
all menus.
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4. SLANT MODE
4.12.2 Fish school tracking mode
The automatic echo target lock function automatically tracks the
operator-selected fish school. When menu option TILT INTERLOCK on the
TARGET LOCK menu (previous page) is set to TILT & RANGE, and the tracked
fish school goes out of the zone in the range direction, the range and tilt are
automatically controlled according to the fish school position.
1. Select FISH at step 7 in the procedure in section 4.12.1.
2. Use the trackball to select the fish school to track on the slant display.
3. Press the [TARGET LOCK] key.
The target lock mark appears ( ) on the fish school with a vector extending
from its edge. This vector shows estimated target position after elapsed of
preset vector time. The target lock mark is also inscribed on the vertical
display, however no vector appears.
• If the target is lost, the target lock mark changes to red color and the
tracking mode changes to position mode (see next section) at that
position.
• When the FSV-84 detects and tracks the target again, the mode returns to
the fish school mode.
4. To turn off the target lock, press the [TARGET LOCK] key again.
Vector*
Target lock mark
Bearing mark
follows target
Fish school's track*
when target
lock is active.
* Turned on or off
from MARK DISPLAY
TARGET LOCK DATA
menu.)
2975m (Horizontal range)
153m (Depth)
S
C
12.3kt (Speed)
256° (Course)
Target lock mark and target lock data
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4. SLANT MODE
4.12.3 Position tracking mode
This mode tracks a stationary position (such as a reef) using position data fed
from a navigator.
A
B
C
D
Depth
E
How position tracking mode target lock works
1. Select TARGET MARK at step 7 in the procedure in section 4.12.1.
2. Use the trackball to select the location to track.
3. Press the [TARGET LOCK] key to inscribe the target lock mark ( ) at the
location selected. The target lock mark is also inscribed on the vertical
display.
Tilt, range and vertical bearing are automatically adjusted to track the location.
Using the figure above as an example, the target lock mark is placed on location
“E”. Then, the equipment remembers the location of “E” and automatically
changes the tilt angle as the ship moves from position A through D. As long as
the fish school “E” is stationary its echo is kept displayed on the screen.
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4. SLANT MODE
4.12.4 TARGET LOCK menu
MENU
QUIT
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
TARGET LOCK
TRACKING METHOD
TILT INTERLOCK
: FISH
:
TILT&RANGE
MARK INTERLOCK
TRACKING DATA
THRESHOLD
:
ESTIMATE MARK
: H&V
: 16
BOTTOM THRESHOLD
TARGET SPEED LIMIT
SMOOTHING
: 3
: 5kt
: 0.5
TARGET SPD UPDATE
: 60SEC
TARGET LOCK WINDOW : NORMAL
DIMENSION SETUP
VOLUME SETUP
: 25t/1000m2
: 25t/1000m3
TARGET LOCK menu
TRACKING METHOD: Selects tracking method, target mark (position) or fish.
TILT INTERLOCK: Provides automatic change of tilt angle and range or tilt
angle during target lock.
MARK INTERLOCK: Selects items of numeric/graphic data display during target
lock operation.
TRACKING DATA: Selects which tracking data to use; horizontal, or both
horizontal and vertical.
THRESHOLD: Selects the weakest echo color number to track. The setting
range is 1 to 30.
BOTTOM THRESHOLD: When a target is judged as a bottom echo, raise this
setting to differentiate bottom from target. The setting range is 0 to 5.
TARGET SPEED LIMIT: Sets maximum fish speed to track. The setting range is
1kt to 15kt.
SMOOTHING: Sets smoothing rate for fish speed data. The setting range is 0.0
to 1.0.
TARGET SPD UPDATE: Sets fish speed data update interval among 15, 30, 45
and 60 seconds.
TARGET LOCK WINDOW: Selects size of target lock detection area; normal,
large, largest. However, this area is not displayed on the screen.
DIMENSION SETUP: Sets dimension constant for calculation of fish school
tonnage from the fish school dimension.
VOLUME SETUP: Sets volume constant for calculation fish school tonnage from
fish school volume.
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4. SLANT MODE
4.13 Detecting Fish Schools Aurally
Sometimes you may be preoccupied with other tasks and unable to concentrate
on watching the sonar picture. In such cases it would be a good choice to use
the audio function. This function enables you to monitor echoes from fish
schools and seabed through the built-in speaker.
After you’ve become accustomed to monitoring fish aurally, you should be able
to detect a fish school from a range longer than you can detect it on the screen.
In addition you may judge whether the fish school is approaching or going away;
the tone becomes higher when the school is approaching and lowers when the
school is going away.
4.13.1 Selecting direction
In the default setting, the audio function is on and the audio sector is 30°.
1. Operate the trackball to place the trackball mark on the direction you want to
monitor through the speaker.
2. Press the [R/B AUDIO] key.
The audio bearing mark appears on the bearing selected, in a 30°, 60°, 90°,
180° or 330° sector centering the audio bearing mark. Echoes are monitored
through the speaker. You can adjust speaker volume with the [AUDIO] control.
Note: When the trackball mark is placed near own ship mark and the [R/B
AUDIO] key is pressed, the range mark and the related data at the bottom of the
screen are erased. Note that the audio bearing is erased when “AUDIO” on the
ALARM & AUDIO menu is turned off.
A
Audio bearing mark
Range mark
R 400m
B 45°
Range and audio bearing
marks data
Range and audio bearing marks
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4. SLANT MODE
4.13.2 Selecting audio sector
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ALARM & AUDIO and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ALARM & AUDIO
FISH ALARM
: OFF
ALARM LEVEL
ALARM ZONE...
SHIP SPEED ALARM
AUDIO
: 16
: ON
: ON
: 30°
: 0
AUDIO SECTOR
REVERBERATION
ALARM & AUDIO menu
4. Select AUDIO SECTOR and press the [MENU] key to open the dialog box.
QUIT
CANCEL
30°
60°
90°
180°
330°
Audio sector dialog box
5. Select desired audio sector among 30°, 60°, 90°, 180°, 330° and press the
[MENU] key.
6. Select QUIT and press the [MENU] key.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
4.13.3 Reverberation
You may choose the length of reverberation for the audio signal. The larger the
value the longer the reverberation, which makes it easer to hear the audio signal.
The setting range is 0-9 and the default setting is 0.
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4. SLANT MODE
4.14 Offcenter
4.14.1 Manual offcenter
The manual offcenter feature is useful for relocating fish school on the display.
1. Operate the trackball to place the trackball mark on the position where you
want to relocate the own ship mark.
2. Press the [OFF CENTER] key.
3. To move the own ship mark back to the screen center, press the [OFF
CENTER] key again.
Fish school
Fish
school
Press [OFF CENTER] key
Own ship
mark
Own ship mark
moves to trackball
mark position.
Set trackball
mark here,
for example.
How to use offcenter
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4. SLANT MODE
4.14.2 Automatic offcenter
The slant mode display in the slant mode combination display (portrait or
landscape) can be automatically off centered when the train is changed while
using auto train or target lock or the user changes the train angle manually. This
is useful to maintain effective range ratio at 1.0.
To activate this feature it is necessary to activate automatic offcenter from the
menu.
Train angle
Train angle
* Numeric/graphic
display area
*
*
PORTRAIT
format
Own position
H disp.
H disp.
S disp.
S disp.
Case 1: "Train"<RO
Case 2: "Train">RO
*
*
H disp.
H disp.
LANDSCAPE
format
S disp.
Train angle
Train angle
Own position
Own position
S disp.
Case 1: "Train"<RO
Case 2: "Train">RO
Train angle: Angle in automatic training, set with the ]V1/S] or [V2] key.
R0: Train angle (30°, 45°, 60°) set on menu.
Automatic offcentering is available regardless whether the train angle setting
value is the same or larger than actual train angle.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select DISPLAY SETTING and press the [MENU] key.
4. Select S AUTO OFF CENTER and press the [MENU] key.
The S AUTO OFF CENTER is only operative when the slant combination
display is active in vertical or horizontal split.
QUIT
CANCEL
OFF
30°
45°
60°
5. Choose value desired and press the [MENU] key.
6. Select QUIT and press the [MENU] key.
7. Select QUIT from the top of the menu and press the [MENU] key.
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4. SLANT MODE
4.15 Fish Alarm
The fish alarm sounds the aural alarm when a fish echo above a preset strength
enters the operator-set alarm zone.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ALARM & AUDIO and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ALARM & AUDIO
FISH ALARM
: OFF
ALARM LEVEL
ALARM ZONE...
SHIP SPEED ALARM
AUDIO
: 16
: ON
: ON
: 30°
: 0
AUDIO SECTOR
REVERBERATION
ALARM & AUDIO menu
4. Select FISH ALARM and press the [MENU] key to open the dialog box.
QUIT
CANCEL
OFF
ON
Fish alarm status dialog box
5. Select ON, select QUIT and then press the [MENU] key. To cancel the fish
alarm, select OFF instead of ON.
6. Select ALARM ZONE and press the [MENU] key.
7. Operate the trackball to place the trackball mark on the starting point of the
alarm zone.
8. Press the [MENU] key.
9. Rotate the trackball clockwise to select the ending point. The display paints a
fan-shaped alarm zone.
10.Press the [MENU] key.
11. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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4. SLANT MODE
<<ALARM ZONE SETTING>>
PLACE CURSOR AT STARTING POINT
AND PRESS MENU KEY TO SET.
PRESS R/B KEY TO CANCEL.
<<ALARM ZONE SETTING>>
PLACE CURSOR AT ENDING POINT
AND PRESS MENU KEY TO
COMPLETE ALARM ZONE SETTING.
How to set the fish alarm zone
Note 1: There must be at least three degrees difference between the starting
and ending points to get a fan-shaped alarm zone as shown in (a) and (b) below.
Otherwise, the unit paints a 360-degree alarm zone as in (c) where there is less
than 3 degrees between the starting and ending points and (d) where the
bearing marker has been rotated one full turn.
More than 3˚
Within 3˚
(a)
(b)
(c)
(d)
How to create desired alarm zone
Note 2: The echo strength which triggers the alarm can be set with ALARM
LEVEL on the ALARM & AUDIO menu. The setting range is 0-30.
This value corresponds with the number of 32-echo colors.
Note 3: To disable the fish alarm, choose OFF at step 5 in the procedure on the
previous page.
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4. SLANT MODE
4.16 Comparing Fish School Concentration
You can get an estimate of the volume of two fish schools by using the two
ESTIMATE keys as follows:
1. Operate the trackball to place the trackball mark on a fish school, and then
press the [ESTIMATE 1] key.
2. The estimate mark appears on the fish school. Relative volume is shown by a
figure between 0 and 100, below the estimate mark. When the area inside
the mark is filled in reddish brown, volume figure is said to be “100”.
3. Operate the trackball to place the trackball mark on another fish school and
press the [ESTIMATE 2] key.
4. Compare estimate figures for each fish school by observing estimate mark
data and the fish histogram.
5. To turn off the estimate marks press their respective keys.
Estimate mark 2
North mark
NUMERIC/
GRAPHIC
DATA
Estimate mark 1
E
DISPLAY
Estimate mark 2 data
Estimate mark 1 data
Estimate marks and their data
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4. SLANT MODE
4.17 Measuring Fish School Speed
To ensure a good haul, it is important to estimate the direction and speed of the
fish school before shooting the net. You can do this with the [FISH] key. With
tidal current data plus fish speed data, you can determine the timing of the net
shooting more efficiently. This function requires speed and heading data.
4.17.1 Entering fish marks
1. Place the trackball mark on the center of a fish school, and then press the
[FISH] key. The latest fish mark ( ) appears on the fish school.
2. Wait 1 to 2 minutes.
3. Place the trackball mark on the same fish school selected in step 1 and press
the [FISH] key. The latest fish mark appears on the target, the 2nd latest fish
mark ( ) appears on the location selected at step 1 and any earlier fish
marks are shown with an “X”. The distance between the two fish marks and
fish school course and speed appear at the bottom right-hand corner of the
horizontal display area.
Earlier fish mark (max. 8)
2nd latest fish mark
Latest
fish mark
Latest fish
mark
WAIT 1-2
MINUTES
X
FISH MOVEMENT DATA
(Distance moved)
Place trackball mark
on fish school's current
location and press
[FISH] key again.
(Horizontal range to fish mark)
2975m
Place trackball mark
on a fish school and
press [FISH] key.
153m (Depth)
S 12.3kt (Speed)
C
256° (Course)
How to measure fish school speed
Note 1: Fish movement is calculated using ship’s speed and heading data.
Accordingly, pitching and rolling may affect the calculation. For best results, try
the procedure two or three times to verify reliability.
Note 2: The time and distance between pressings of the [FISH] key should be
as long as possible to increase accuracy of measurement. For best results,
repeat the procedure two or three times.
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4. SLANT MODE
Note 3: Each time the [FISH] key is pressed the latest fish mark and ship’s
speed mark change in the sequence shown below.
This data is the latest fish
mark data.
[FISH] key pressed once
twice
three times
four times
Fish mark
4.17.2 Deleting fish marks
Fish marks can be deleted individually with the [DELETE MARK] key or by
earliest entry through the menu. Note that the [DELETE MARK] key also erases
event marks.
Deleting fish marks with the [DELETE MARK] key
Use the trackball to place the trackball mark on the fish mark you want to erase.
The color of the fish mark changes from white to red when the fish mark is
correctly selected. Press the [DELETE MARK] key to delete the fish mark.
Deleting fish marks through the menu
1. Press the [MENU] key to show the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ERASE MARKS and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ERASE MARKS
EVENT MARK
FISH MARK
OWN SHIP POS MARK: DELETE
SHIP'S TRACK : DELETE
: DELETE
: DELETE
ERASE MARKS menu
4. Select FISH MARK and press the [MENU] key. Each press of the [MENU]
key deletes the earliest fish mark.
5. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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4. SLANT MODE
4.18 Event Mark, Own Ship Position Mark
The event mark is useful for finding the horizontal range, depth and bearing to a
location some distance from current position. 10 such marks may be inscribed
on the horizontal display. This function requires speed and heading data.
There are two types of event marks, latest event mark (⊕) and event mark (+).
Each time an event mark is entered the latest event mark appears at the
trackball mark position and all other event marks are shown by the “plus” (+)
mark and numbered in sequential order. When the memory capacity for event
marks is reached the earliest event mark is automatically erased to make room
for the latest.
The own ship position mark ( ) is used to mark current position.
4.18.1 Entering an event mark
1. Set the trackball mark where you want to place an event mark.
2. Press the [EVENT] key. The horizontal range, depth and bearing to the event
mark appear at the bottom left corner of the horizontal display area.
→234: Horizontal range (m) from own ship mark
↓19: Present depth (m) to mark
(35): Depth (m) of mark at moment EVENT key is pressed.
B265: Present bearing (degree)
Bottom left-hand corner of the screen
Event mark data
With speed and heading data the mark follows own ship’s movements. In the
True Motion mode, the event mark is stationary. When the tilt angle is changed
mark position changes with slant range. Note however that the mark’s position
does not change when automatic tilt is active; the tilt center angle is used to
position the mark.
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4. SLANT MODE
Plotting an event mark on the display is equivalent to dropping a buoy with an
anchoring chain that extends from surface to bottom. The buoy is fixed at its
geographical location, but the marker on the display moves to a point where
present beam plane intersects the anchor chain of the buoy as ship moves or
the tilt angle is changed. This can be said about marks as well such as fish mark
and trackball mark.
(35)
Stored when
EVENT key is
pressed.
B
You observe picture from
direction of ꢃmark.
A
Event mark description
4.18.2 Entering an own ship position mark
Place the trackball mark close to the center of the own ship mark and press the
[EVENT] key. Ten own ship position marks may be inscribed. When the capacity
for own ship position marks is reached the earliest own ship position mark is
automatically erased.
4.18.3 Deleting an event mark, own ship position mark
Event marks and own ship position marks can be deleted individually with the
[DELETE MARK] key or by earliest entry through the menu.
Deleting event marks, own ship position mark with the [DELETE MARK] key
Use the trackball to place the trackball mark on the event mark or own ship
position mark you want to erase. The color of the mark changes from white to
red when the mark is correctly selected. Press the [DELETE MARK] key to
delete the mark.
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4. SLANT MODE
Deleting event marks, own ship position mark through the menu
1. Press the [MENU] key to show the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ERASE MARKS and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ERASE MARKS
EVENT MARK
FISH MARK
OWN SHIP POS MARK: DELETE
SHIP'S TRACK : DELETE
: DELETE
: DELETE
ERASE MARKS menu
4. Select EVENT MARK (or OWN SHIP POS MARK) and press the [MENU] key.
Each pressing deletes the earliest event mark (or own ship position mark).
5. Select QUIT at the top of the menu screen and press the [MENU] key to quit
all menus.
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4. SLANT MODE
4.19 Net Course Mark
Before shooting the net, decide the shoot timing considering tide direction,
distance to the fish school and moving direction of the fish school. Use the net
course mark as a guide to decide the timing. This function requires speed and
heading data.
Inscribing the net course mark
1. Press the [MENU] key to open the main menu.
2. Select OTHERS and press the [MENU] key to open the OTHERS menu.
3. Select DISPLAY SETTING and press the [MENU] key to open the DISPLAY
SETTING menu.
4. Select NET COURSE MARK and press the [MENU] key. Instructions for
setting the net course mark appear on the display.
Net course mark
<<NET SHOOT SETTING>>
PLACE NET SHOOT CIRCLE BY
TRACKBALL AND PRESS MENU KEY TO SET.
PRESS R/B KEY TO CANCEL.
Net course mark
5. Use the trackball to position the net course mark, which is shown by a
dashed circle.
6. Press the [MENU] key to set, and the dashed circle changes to a solid one.
7. Select QUIT at the top of the menu screen and press the [MENU] key to quit
all menus.
* To delete the net course mark, repeat the above procedure.
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4. SLANT MODE
4.20 Observing Net Behavior
With net sonde connection you can observe net behavior after the throwing of
the net. Accurate depiction of net sonde position depends on proper setting of
the distances between net sonde transmitters. You can set those distances on
the OTHERS - INITIAL SETTING - NET SONDE SETTNG menu.
This function requires speed and heading data.
1. Press the [SHOOT] key just upon throwing the net into the water. The
following actions occur:
• Net shoot mark ( ) appears at own ship position.
• Net shoot data appears.
• Net sonde mark is inscribed.
• Net depth data is displayed.
• Water depth data and water temperature data erased from own ship’s
track.
• In an ES combination mode, tide data and net depth replace the water
temperature graph.
• In an ES combination mode, the picture advance method changes to
“speed sync.”
• In an ES combination mode, the picture advance width appears on the ES
display.
2. To erase the net sonde mark and associated data, press the [SHOOT] key
again.
NET SHOOT DATA
Distance run from shooting of net
Time elapsed from shooting of net
N-UP S
202m
193m
59m
0.53NM
5:32
R
300m
NUMERIC
DATA
AUTO
T 17˚
(21˚)
B
296˚
10
8
G
P
DISPLAY
NET DEPTH
S1 134m
S2 178m
S3 213m
Net shoot mark
Net depth data
Net sonde mark
Net behavior
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4. SLANT MODE
4.21 OTHERS Menu
This section presents an overview of the OTHERS menu on the H-SCAN
SETTING menu.
4.21.1 Displaying the OTHERS menu
1. Press the [MENU] key to open the menu.
2. Select S-SCAN SETTING and press the [MENU] key to open the H-SCAN
SETTING menu.
3. Select OTHERS and press the [MENU] key to show the OTHERS menu.
MENU
S-SCAN SETTING
OTHERS
QUIT
QUIT
QUIT
COLOR
COLOR SETTING...
: COLOR 1
COLOR RESPONSE : COLOR CURVE 3
COLOR RESPONSE...
GAIN OFFSET
SIGNAL LEVEL
FAR TVG CURVE
: 0
: 0
: TVG2
ABSORPTION COEFF : 23.5dB
TVG DISTANCE...
2ND AGC DISTANCE : 0m
NEAR AGC DISTANCE: 200m
SMOOTH ECHO RNG : 0
SMOOTH ECHO CIR : 0
GAIN CONTROL
BEAMWIDTH...
: NORMAL
OTHERS sub menu
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4. SLANT MODE
4.21.2 OTHERS menu description
COLOR: Select color arrangement to use. The default setting is COLOR 1.
COLOR SETTING…: Customizes colors.
1. Select COLOR SETTING from the OTHERS menu and press the [MENU]
key. The following display appears.
2. Use the trackball to select color to change and press the [MENU] key.
Choose to register setting
and close menu.
H-SCAN COLOR 1
QUIT
Choose to cancel change.
CANCEL
Choose to restore
default colors.
DEFAULT
QUIT
Choose to quit.
COL
22
HUE
27
SAT
84
LUM
53
CANCEL
Choose to cancel.
COL: Adjust color (Setting range: 0-100(%)).
HUE: Adjusts color tint (Setting range: 0-100(%)).
SAT (Saturation): Adjusts color vividness
(Setting range: 0-100(%)).
LUM (Luminescence): Adjusts color brightness
(Setting range: 0-100(%)).
COLOR SETTING menu
3. Select S or T of item COL, HUE, SAT or LUM.
4. Press the [MENU] key to change the setting.
5. Repeat steps 3 and 4 to change level of other items.
6. Select QUIT and press the [MENU] key.
7. Repeat steps 2-6 to change other colors.
8. Select QUIT at the top of the menu and press the [MENU] key
9. Select QUIT at the top of the menu screen and press the [MENU] key to
finish.
Note: If you get lost in operation and want to return to default colors, select
DEFAULT and press the [MENU] key.
COLOR RESPONSE: Color response defines reflected echo strength versus
color level conversion. You can select one of four color response tables, and the
default setting is COLOR RESPONSE 3.
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4. SLANT MODE
COLOR RESPONSE…: Adjusts reflected echo strength versus echo color level
for currently selected color response number.
To adjust the curve, place the trackball at the point desired and press the
[MENU] key. On the horizontal axis input level relative value is shown in the
range from 0 to 100%. The setting range for input level is 0-100% in increments
of 10% and output level is 0-100% in any value.
To set input level versus output level, use the trackball to
place the trackball mark on location desired and press the
[MENU] key.
DEFAULT CANCEL QUIT
S-SCAN COLOR
100
DEFAULT: Select to restore default
setting for selected color response.
CANCEL: Select to cancel change.
QUIT: Select to finish.
80
60
40
20
Currently selected color
Input level scale
0
20
40
60
80
100
Color response curve
GAIN OFFSET: Adjusts gain level. If the front panel [GAIN] control does not
provide satisfactory gain adjustment, enter an offset here. The setting range is
0-12.
SIGNAL LEVEL: Dirty water or reflections from plankton may be painted on the
screen in green or light-blue. These echoes may be erased in order of strength.
The setting range is 0-15.
FAR TVG CURVE: Selects the TVG curve to use. The setting range is
TVG1-TVG4. The higher the setting the sharper the gain curve.
ABSORPTION COEFF: Attenuation of the acoustic pulse underwater varies with
sea area and water temperature. This menu item is provided to offset absorption,
however the default setting is suitable in most cases. If sensitivity decreases with
distance, increase the absorption coefficient setting. And if it increases with
distance decrease this setting.
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4. SLANT MODE
TVG DISTANCE: Sets the TVG effective distance for near, medium and far
ranges.
Setting range
NEAR: 50-150 m, 10 m increments
MED: 300-500 m, 20 m increments
FAR: 600-1000 m, 40 m increments
To adjust a TVG curve, select S or T of item desired and press the [MENU] key
to change the setting.
Select to register
setting and finish.
QUIT
NEAR
100
MED
400
FAR
800
Select to cancel
change.
CANCEL
Select item with trackball
and press [MENU] key to
change setting.
TVG setting window
2ND AGC DISTANCE: Sets starting distance that 2nd AGC functions. The setting
range is 0 to 2000 m, in increments of 20 m. Setting is invalid if display range is
lower than this setting.
NEAR AGC DISTANCE: Sets Near AGC effective distance. Set the range
between 20 m and 300 m, in increments of 20 m.
SMOOTH ECHO RNG: Selects echo smoothing level in the range direction. The
setting range is 0-3. The higher the setting the greater the smoothing.
SMOOTH ECHO CIR: Selects echo smoothing level in circular direction. The
setting range is 0-3. The higher the setting the greater the smoothing.
GAIN CONTROL: If sensitivity is low even with maximum gain, change the
setting to WIDE. This doubles the control range.
BEAMWIDTH: Adjusts horizontal beamwidth. For further details see “4.11
Adjusting Beamwidth”.
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4. SLANT MODE
4.22 Interpreting the Slant Display
4.22.1 Bottom echoes
When the tilt angle is set at 90 degrees with the sector center faced dead ahead,
the pictures illustrated below will appear on the screen. The bottom echo is
represented on the screen as a thick line which realistically shows the bottom
contour. When the tilt angle is decreased, the bottom trace becomes wider and
weaker. By observing bottom condition on the screen, you may prevent the net
from being damaged by a reef or a shipwreck.
Bottom
Bottom
Bottom
Bottom echoes
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4. SLANT MODE
4.22.2 Fish schools
A fish school appears as a mass of echoes on the screen. The color of the mass
shows the density of the fishes and the size of the mass how they are distributed.
In the following figures, the same fish school is observed with two different tilt
angles. From the left figure, the operator can know the horizontal distribution of
the fish school, and from the right figure the vertical distribution.
Surface fish school
Bottom
Bottom fish school
Bottom
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4. SLANT MODE
4.22.3 Sea surface reflections
As ultrasonic pulses at both edges of the 180° sector beam are always emitted
horizontally along the sea surface regardless of the tilt angle setting, sea surface
reflections appear as a thick line extending across the own ship mark. When the
sonar is used with a narrow tilt angle, the sea surface reflections cover an
extended area as illustrated below.
4.22.4 Wake
A wake produced by own ship or another ship can be a strong reflecting object
when a narrow tilt angle is used. As the wake appears as a thick continuous line,
it can be easily distinguished from a fish school. A wake contains many air
bubbles which attenuate ultrasonic energy, making it difficult to sound beyond
the wake.
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4. SLANT MODE
4.22.5 False echo by sidelobe
An ultrasonic wave is emitted only in the direction set by the TILT lever, however
there are some emissions outside the main beam. These are called sidelobes.
The energy of the sidelobe is fairly weak but when the water is comparatively
shallow and the bottom is rocky and hard, strong signals are detected by the
sidelobe. These are represented on the display as a false echo as shown below.
Bottom
4.22.6 Noise and interference
Interference from a sonar on another ship appears on the screen as shown in
(A). (B) shows Interference from electrical equipment on board own ship. Noise
from marine life appears on the display as shown in (C).
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4. SLANT MODE
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5. ECHO SOUNDER MODE
The echo sounder picture is available with connection of an echo sounder.
5.1
Basic Operating Procedure
4. Select appropriate echosounder mode.
2. Lower transducer.
: Mid protrusion
: Full protrusion
3. Adjust display brilliance.
1. Turn on power.
FSV-84
V1/S
HSV
5. Adjust range, gain and
picture advance speed on
the ES1 SETTING (or
ES2 SETTING) menu.
Control unit
5-1
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5. ECHO SOUNDER MODE
5.2
Typical Echo Sounder Displays
5.2.1
Echo sounder 1 display
This display shows the picture from an echo sounder on the right-hand side of
the display.
Trackball mark position reference mark (See below.)
Color bar
N
Transmission line
NUMERIC/GRAPHIC
DATA DISPLAY
Speed sync
advance width data*
0
Distance from own
800
1800m
ship to trackball mark
26
30
Depth of trackball mark
Trackball mark
2
Range scale
60
S
* Shows horizontal display width
(in meters). Appears when picture advance
speed is synchronized with ship
speed.
Bottom
Fish echo
Fish estimate mark no. and beginning and
ending depths (dashed lines) of estimate
mark calculation
Indications and markers on the echo sounder 1 display
Trackball mark position reference mark
The trackball mark position reference mark, a solid circle, is inscribed on the
ship’s track when the trackball mark is placed in the echo sounder display. Its
purpose is to show corresponding trackball mark position on the horizontal
display. It changes position with trackball mark position and tilt range, and
disappears when its position is no longer within the range of the echo sounder
display. This mark does not appear when the distance to the trackball mark is
longer than the track length. Own ship’s speed data is required for this function.
Trackball mark
Track
position reference
mark
a
Trackball mark
Trackball mark position reference mark
5-2
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5. ECHO SOUNDER MODE
5.2.2
Echo sounder 2 (net recorder or echo sounder) display
With net recorder connection, the echo sounder 2 display can show the picture
from the net recorder. (The picture from an echo sounder may also be shown.)
You may show the net recorder’s downward-looking picture.
Downward-looking net recorder display
N
NUMERIC/GRAPHIC
DATA DISPLAY
Transmission
line
0
10
20
30
S
Ground rope
Indications and markers on the echo sounder 2 display
(shown: downward looking display)
5-3
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5. ECHO SOUNDER MODE
5.2.3
Echo sounder combination mode (ES1 + ES2)
This display shows the picture from the echo sounder and the net recorder. Also
two echo sounder pictures can be displayed, or upward and downward looking
display of the net recorder can be displayed.
Echo sounder + net recorder display
N
NUMERIC/GRAPHIC
DATA DISPLAY
0
60
Echo Sounder
Display (ES1)
120
0
Net Recorder
Display (ES2)
30
60
S
Horizontal Display
Echo sounder combination display
5-4
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5. ECHO SOUNDER MODE
Upward + downward looking net recorder display (ES2 mode)
The marks and indications which appear on the downward looking display are
also common to the upward + downward looking display.
N
NUMERIC/GRAPHIC
DATA DISPLAY
60
Upward
30
Looking
Picture
0
0
Downward
Looking
Picture
30
60
S
Ground rope
Echo Sounder 2 display (Upward + downward looking display)
5-5
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5. ECHO SOUNDER MODE
5.3 Selecting an Echo Sounder Mode
An echo sounder mode may be selected with the [MODE] key, however no echo
sounder mode is available in the default setting. To enable selection of an echo
sounder mode with the [MODE] key, follow the procedure below.
Enabling an echo sounder mode
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select DISPLAY SETTING and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
DISPLAY SETTING
DISPLAY MODE...
MODE SELECTION
TX/RX MODE
: MODE KEY
: ALTERNATIVE
: LANDSCAPE
H2/S DISPLAY
PRESENTATION MODE : HEAD UP
TM DISPLAY RANGE
BEARING REF
TILT LEVER
: 1.6R
: SHIP HEADING
: TILT
S AUTO OFF CENTER : OFF
H-SLICE WIDTH
H-SLICE PICT ADVC
NET COURSE MARK
MANUAL DEGAUSS
AUTO DEGAUSS
DIMMER
: 16
: KP SYNC
: ENTER
: EXECUTE
: INT SENSOR
: 10
KEY BEEP VOLUME
: 5
DISPLAY SETTING menu
4. Select DISPLAY MODE and press the [MENU] key to show the display mode
dialog box.
H1
H1&H2
V1
V1&V2
V1&ES1
V1&ES2
HISTORY
ES1
ES2
ES1&ES2
Display mode dialog box
5-6
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5. ECHO SOUNDER MODE
5. Select desired ES modes (you may select as many modes as you wish)
referring to the illustration below and press the [MENU] key. The check marks
in the dialog box denote active modes.
ES1: Echo sounder picture
ES2: Net recorder picture (or echo sounder picture)
Depending on the menu setting, the screen combination can be shown as
follows.
System menu setting and available displays
ES2 on the
SYSTEM menu*
NET RECORDER
DISP** on ES2
SETTING menu
Sample
ES
NR
None
1)
2)
3)
NR down
NR up, NR down
* = For details about the SYSTEM menu, contact your dealer or refer to the
installation manual.
** = When NET RECORDING DISP is set for UP/DOWN, the ES1 picture
changes from the echo sounder picture to the downward looking net
recorder picture.
ES1
1) ES1
V1
2) ES1
3) NR up
1) ES1
2) ES1
ES1 + V1
3) NR up
1) ES2
1) ES1
2) NR down
3) NR down
2) ES1
3) NR up
1) ES2
2) NR down
3) NR down
1) ES2
2) NR down
3) NR down
V1
ES1
ES2
ES2
ES2 + V1
ES: Echo sounder picture
NR up: Net Recorder upward picture
NR down: Net Recorder downward picture
V1: Vertical mode picture
Echo sounder mode configurations and menu setting
6. Select QUIT and press the [MENU] key.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
5-7
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5. ECHO SOUNDER MODE
5.4
Selecting Display Range
The basic range and range shifting functions together give you the means to
select the depth you can see on the screen. The basic range can be thought of
as providing a “window” into the water column and range shifting as moving the
“window” to the desired depth.
Note: Set the range and shift so they are the same as those set on the echo
sounder. This setting does not affect the original echo sounder setting.
Shift
Display
Range and display shift concept
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ES1 SETTING (or ES2 SETTING) and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
MENU
OTHERS
QUIT
QUIT
QUIT
ES2 SETTING
ES1 SETTING
GAIN
: 5
GAIN
: 5
RANGE BELOW NET
RANGE UPPER NET
CLUTTER
: 160 m
: 160 m
: 0
RANGE
: 160 m
: 0 m
: 0
SHIFT
CLUTTER
SIGNAL LEVEL
INT REJECT
SIGNAL LEVEL
: 0
: 0
INT REJECT
: OFF
: 1/1
: OFF
PICTURE ADVANCE
COLOR SETTING...
COLOR RESPONSE...
PICTURE ADVANCE : 1/1
PICT ADVC AT SHOOT : SPEED SYNC
COLOR SETTING...
NET RECORDER DISP : UP/DOWN
NET RECORDER RANGE : 80 m
COLOR RESPONSE...
SCALE POSITION
: RIGHT
ES1 SETTING menu
ES2 SETTING menu
(net recorder connected)
ES1 SETTING, ES2 SETTING menus
5-8
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5. ECHO SOUNDER MODE
4. Select RANGE (or RANGE UPPER NET, RANGE BELOW NET in case of
net recorder on the ES2) and press the [MENU] key.
QUIT
QUIT
CANCEL
CANCEL
20m
40m
20m
40m
60m
60m
80m
80m
120m
160m
240m
320m
120m
160m
240m
320m
INTERLOCK
RANGE menu
(ES1 SETTING menu)
RANGE menu
(ES2 SETTING menu)
Range dialog box
5. Use the trackball to select range desired and press the [MENU] key.
(INTERLOCK in the range dialog box for the ES2 SETTING menu uses the
same range as set for ES1. It is effective when the ES2 display is in use.)
6. Select QUIT and press the [MENU] key.
7. Select SHIFT in case of echo sounder ES1 and press the [MENU] key.
QUIT
CANCEL
Dialog box for setting numeric data
8. Use the trackball to select ▲ or ▼ and press the [MENU] key to select shift
desired. The shift range is 0-1000 m.
9. Select QUIT and press the [MENU] key.
10.Select QUIT at the top of the menu screen and press the [MENU] key to
close the menu.
5-9
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5. ECHO SOUNDER MODE
5.5
Adjusting the Gain
You may adjust the display level of the echo sounder picture as below; the gain
of the echo sounder itself cannot be adjusted from the sonar.
Note: Set the range and shift so they are the same as those set on the echo
sounder. This setting does not affect the original echo sounder setting.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ES1 SETTING (or ES2 SETTING) and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
MENU
OTHERS
QUIT
QUIT
QUIT
ES2 SETTING
ES1 SETTING
GAIN
: 5
GAIN
: 5
RANGE BELOW NET
RANGE UPPER NET
CLUTTER
: 160 m
: 160 m
: 0
RANGE
: 160 m
: 0 m
: 0
SHIFT
CLUTTER
SIGNAL LEVEL
INT REJECT
SIGNAL LEVEL
: 0
: 0
INT REJECT
: OFF
: 1/1
: OFF
PICTURE ADVANCE
COLOR SETTING...
COLOR RESPONSE...
PICTURE ADVANCE : 1/1
PICT ADVC AT SHOOT : SPEED SYNC
COLOR SETTING...
NET RECORDER DISP : UP/DOWN
NET RECORDER RANGE : 80 m
COLOR RESPONSE...
SCALE POSITION
: RIGHT
ES1 SETTING menu
ES2 SETTING menu
(net recorder connected)
ES1 SETTING and ES2 SETTING menus
4. Select GAIN and press the [MENU] key.
QUIT
CANCEL
Dialog box for setting numeric data
5. Use the trackball to select ▲ or ▼ and press the [MENU] key to select gain
desired. The setting range is 0-10. The higher the setting the greater the
gain.
6. Select QUIT and press the [MENU] key.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close the menu.
5-10
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5. ECHO SOUNDER MODE
5.6
Picture Advance Speed
The picture advance speed determines how quickly the vertical scan lines run
across the screen. When selecting a picture advance speed, keep in mind that a
fast advance speed will expand a fish school horizontally and a slow advance
speed will contract it.
Note: Set the picture advance speed to the same setting as on the echo sounder
connected. This setting does not affect the original echo sounder setting.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ES1 SETTING (or ES2 SETTING) and press the [MENU] key.
4. Select PICTURE ADVANCE and press the [MENU] key.
QUIT
CANCEL
1/1
1/2
1/4
1/8
SPEED SYNC
Picture advance speed dialog box
5. Use the trackball to select advance speed desired and press the [MENU] key.
The fractions in the dialog box are one line produced per number of
transmissions. For example, 1/2, displays one scan line per two
transmissions. SPEED SYNC advances the picture according to ship’s speed.
This mode is advantageous for judging fish school size and abundance since
fish schools will be shown at their actual sizes regardless of ship’s speed.
Note: When using “SPEED SYNC,” and the echo sounder signal becomes
lost, the picture shown at the time the signal was lost is copied and
continuously replayed on the screen until the echo sounder signal is
restored.
6. Select QUIT and press the [MENU] key.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close the menu.
5-11
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5. ECHO SOUNDER MODE
5.7 Measuring Depth, Distance
You can measure depth and distance (picture advance set for “speed sync”)
from own ship to a location with the trackball mark. Use the trackball to place the
trackball mark on the location. The trackball mark shows depth on its horizontal
axis and distance on its vertical axis.
N
NUMERIC/GRAPHIC
DATA DISPLAY
0
800
Distance from own
ship to mark
1800m
25
40
Depth
Trackball
mark
Range
scale
80
S
How to measure depth and distance on the echo sounder display
5-12
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5. ECHO SOUNDER MODE
5.8 Comparing Fish School Concentration
You can get an estimate of the volume of two fish schools by using the two
ESTIMATE keys as below. You may use these keys in the ES1 and ES2 modes.
1. Use the trackball to set the trackball mark at the center of fish school and
press the [ESTIMATE 1] or [ESTIMATE 2] key. The beginning and ending
depths are marked with dashed lines. A circle with the number 1 or number 2
inside is displayed, shown by a dashed line.
Note: The processing range, that is, the area between the dashed lines, can
be selected with ESTIMATE ON ES in the MARK SIZE menu. The
choices available are 1/8 (default setting), 1/4 and 1/2, of the echo
sounder display range.
2. Observe the fish histogram. See next page.
3. To turn off the estimate mark, press the [ESTIMATE 1] or [ESTIMATE 2] key
whichever was pressed at step 1.
Fish histogram
(Automatically appears when
estimate mark is active.
See next page.)
Fish estimate mark
N
FISH HISTOGRAM
ES
WATER CURRENT*
C1 1.2kt 342°
C2 0.8kt 298°
C3 0.4kt 256°
1
NET DEPTH*
S1 134m
S2 178m
S3 213m
ES
2
0
40
1
Fish school concentration
is calculated for echoes
within the beginning and
ending depths
80
S
Estimate mark 1
Estimating fish concentration with estimate marks
5-13
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5. ECHO SOUNDER MODE
Fish histogram
The fish histogram shows, in graph form, signal strength distribution for the fish
school(s) marked with an estimate mark on the horizontal and echo sounder
displays. The histogram display for each of those displays will be different since
the calculation method is different. This data appears only when an estimate
mark is active. When two estimate marks are active histograms are displayed
one on top of the other as below.
The horizontal axis shows signal strength in 16 colors, and the vertical axis
shows fish school concentration inside the fish estimate mark. For the fish
estimate mark inscribed on the horizontal display the graph shows the average
movement in five scans, to increase accuracy.
Note: The histogram display is redrawn five transmissions after a fish estimate
mark is erased and another mark of the same number is entered soon after.
Fish estimate
mark source
SCAN1 for H1 display
SCAN2 for H2 display
2 SCAN1
1 ES2
Fish estimate
mark no.
2 SCAN1
Blank when no estimate mark
is inscribed on the horizontal
display
Estimate mark 1 or estimate Both estimate marks displayed
mark 2 displayed
Fish histogram
5-14
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5. ECHO SOUNDER MODE
5.9 ES1 SETTING Menu Overview
Display the ES1 SETTING menu as follows.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ES1 SETTING and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ES1 SETTING
GAIN
: 5
RANGE
: 160 m
: 0 m
: 0
SHIFT
CLUTTER
SIGNAL LEVEL
INT REJECT
: 0
: OFF
PICTURE ADVANCE : 1/1
PICT ADVC AT SHOOT : SPEED SYNC
COLOR SETTING...
COLOR RESPONSE...
SCALE POSITION
: RIGHT
ES1 SETTING menu
ES1 setting menu description
The GAIN, RANGE, SHIFT and PICTURE ADVANCE are described at the
previous pages. For the COLOR SETTING and the COLOR RESPONSE, see
page 2-48 and 2-49, respectively.
CLUTTER: Suppress low level noise, which shows itself on the display as
light-blue dots. The setting range is 0-10 and 0 is clutter rejection off. The higher
the setting, the greater the degree of suppression.
SIGNAL LEVEL: Dirty water or reflections from plankton may be painted on the
screen in green or light-blue. These echoes may be erased in order of strength.
The setting range is 0-15.
INT REJECT: Turn on to suppress interference from other equipment on board.
PICT ADVC AT SHOOT: Sets picture advance speed to set when shooting of
the net. You may select advance speed independently or synchronize it with
ship’s speed.
SCALE POSITION: The range scale can be displayed on the right or left side of
the echo sounder display.
5-15
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5. ECHO SOUNDER MODE
5.10 ES2 SETTING Menu Overview
Display the ES2 SETTING menu as follows.
1.
2.
3.
Press the [MENU] key to open the menu.
Select OTHERS and press the [MENU] key.
Select ES2 SETTING and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ES2 SETTING
GAIN
: 5
RANGE BELOW NET
RANGE UPPER NET
CLUTTER
: 160 m
: 160 m
: 0
SIGNAL LEVEL
: 0
INT REJECT
: OFF
: 1/1
PICTURE ADVANCE
COLOR SETTING...
COLOR RESPONSE...
NET RECORDER DISP : UP/DOWN
NET RECORDER RANGE : 80 m
ES2 SETTING menu (net recorder connected)
ES2 SETTING menu description
The GAIN and PICTURE ADVANCE are described at the previous pages. For
the COLOR SETTING and the COLOR RESPONSE, see page 2-48 and 2-49,
respectively.
RANGE or RANGE BELOW NET: Selects the echo sounder display range,
among 20, 40, 60, 80, 120, 160, 240, 320 m and interlock with ES1. With
connection of a net recorder it is the range below the oscillation line.
SHIFT or RANGE UPPER NET: Shifts the display range for ES. The shift range
is 0-1000 m. Note that RANGE (above) must be set to INTERLOCK to set
SHIFT to INTERLOCK. With connection of a net recorder it is the range above
the oscillation line. Select the range among 20, 40, 60, 80, 120, 240 and 320 m.
CLUTTER: See CLUTTER on previous page.
SIGNAL LEVEL: See SIGNAL LEVEL on previous page.
INT REJECT: See INT REJECT on previous page.
NET RECORDER DISP: Chooses the net recorder picture to display; downward
sounding picture or both upward and downward sounding pictures. The default
setting is the downward sounding picture.
NET RECORDER RANGE: Sets the net recorder display range, referring to the
operator’s manual of net recorder.
5-16
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6. HISTORY MODE
6.1
Basic Operating Procedure
4. Select history mode.
2. Lower transducer.
: Mid protrusion
: Full protrusion
3. Adjust display brilliance.
8. Set position.
1. Turn on power.
FSV-84
V1/S
HSV
5. Select range.
7. Set tilt angle.
6. Adjust gain.
Control unit
6-1
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6. HISTORY MODE
6.2
Sample History Display
The history display shows echo data for the echoes within the history marker,
which is a 120° arc centered on the own ship position on the horizontal display.
The history marker scrolls downward on the history display – the latest echoes at
the top and the oldest at the bottom. Echoes are averaged for three
transmissions for easy viewing. This mode is useful for watching echo condition
over a period of time.
Use the trackball to select location for the history marker. When the tilt angle is
changed, the slant range is automatically changed to keep the history marker at
a constant depth; however, like an echo sounder, the picture inscribed before the
tilt angle was changed is not refreshed.
N
NUMERIC/GRAPHIC
DATA DISPLAY
→560m
↓
51m
History
marker
S
Horizontal Display
History Display
History display
History marker
B
A
B
D
A
Depth
C
History marker and echo location
A
B
C
D
History mode concept
6-2
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6. HISTORY MODE
6.3 How to Interpret, Set the History Display
6.3.1
Interpreting the history display
Echo data inside
history marker
→185m
↓
156m
Horizontal range
Depth
HISTORY MARKER
History marker
width*
History
marker
Color bar
*Set on H-SLICE WIDTH
in DISPLAY SETTING
menu. See next page.
Own ship
mark
Own ship mark
Trackball mark
Scroll direction
Sync with ship speed
or KP transmission
180
120°
† Automatically
changes with
tilt angle.
Distance from
own ship position
to bow (or stern)
Slant
range†
35P
Distance from own ship position to port (or starboard)
P: Port
S: Starboard
How to interpret the history display
6-3
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6. HISTORY MODE
6.3.2
Setting the history marker
Use the trackball to locate the trackball marker on the horizontal display and
then press the [R/B AUDIO] key. The history marker moves to the trackball
marker and is centered on the ship’s bow, extending 60° in both port and
starboard directions. Own ship mark is fixed at own ship position. The slant
range is automatically changed whenever the tilt angle is changed, to keep the
history marker at a constant depth. When the tilt angle is shallow and the slant
range to the history marker is greater than the range set with the RANGE control,
the sampling point becomes the range in use.
The slant range is automatically changed whenever
the tilt angle is changed, to keep the history marker
at a constant depth. When a shallow tilt angle is used,
the picture inside the history marker is
d
d
r
(3)
(2)
(1)
from (1)→(2)→(3), according to tilt angle.
R
History marker
R: Range (Range set by RANGE control)
r: Slant range to history marker, set with trackball. Automatically changes with tilt angle.
d: Depth (constant) to history marker
Slant range and tilt angle
6-4
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6. HISTORY MODE
6.3.3
Setting the width of the history marker
You may set the width of the history marker as follows:
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select DISPLAY SETTING and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
DISPLAY SETTING
DISPLAY MODE...
MODE SELECTION
TX/RX MODE
: MODE KEY
: ALTERNATIVE
: LANDSCAPE
H2/S DISPLAY
PRESENTATION MODE : HEAD UP
TM DISPLAY RANGE
BEARING REF
TILT LEVER
: 1.6R
: SHIP HEADING
: TILT
S AUTO OFF CENTER : OFF
H-SLICE WIDTH
H-SLICE PICT ADVC
NET COURSE MARK
MANUAL DEGAUSS
AUTO DEGAUSS
DIMMER
: 16
: KP SYNC
: ENTER
: EXECUTE
: INT SENSOR
: 10
KEY BEEP VOLUME
: 5
DISPLAY SETTING menu
4. Select H-SLICE WIDTH and press the [MENU] key.
QUIT
CANCEL
1
2
4
8
16
32
Horizontal slice width dialog box
5. Use the trackball to select 1, 2, 4, 8, 16 or 32 as appropriate and press the
[MENU] key.
The numeric options are the number of display dots. For example, “16”, the
default setting, extracts 16 dots from the horizontal display.
6. Select QUIT and press the [MENU] key.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
6-5
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6. HISTORY MODE
6.3.4
Setting the picture advance mode
You may choose to advance the picture at each transmission (KP SYNC) or in
proportion to ship speed (SPEED SYNC).
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select DISPLAY SETTING and press the [MENU] key.
4. Select H-SLICE PICT ADVC and press the [MENU] key.
5. Select SPEED SYNC or KP SYNC as appropriate and press the [MENU] key.
6. Select QUIT and press the [MENU] key.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
6-6
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7. NUMERIC/GRAPHIC DATA
DISPLAY
7.1
Full Numeric/Graphic Data Display
This display provides comprehensive Numeric/graphic data and appears with the
horizontal and vertical displays, at the right side of the display.
Heading*
Course*
HEADING
321
335
12.5kt
°
°
SHIP COURSE
SHIP SPEED
Speed*
Position format
Navigator type (in brackets)*
LAT/LON[DGPS]
DGPS: Differrential GPS
KGPS: Kinematic GPS
FGPS: Floating GPS
GPS: GPS
32
°
52.150N
12.150E
132
°
DEPTH
321m
WATER CURRENT
LC:
Loran C
DR:
Dead Reckoniong
Position error
***:
C1
C2
C3
1.2kt
0.8kt
0.4kt
342
298
256
°
°
°
Depth
Water current speed
and direction for three
layers*
NET DEPTH
S1
S2
S3
134m
178m
213m
Net sonde depth
data*
FISH HISTOGRAM
Fish histogram
(See page 5-14.)
1
SCAN1
Water temperture*,
Water temperature
graph*
WATER TEMP
10.3°C
20MIN
12
10
0
FISH SCHOOL INFO
TARGET LOCK ON
(MARK INTERLOCK:
EST & HISTGRAM
LENGTH
WIDTH
HEIGHT
51 m
47 m
24 m
2564 m2
45805 m3
59 t
10
8
at TARGET LOCK menu) DIMENSIONS
VOLUME
TARGET LOCK OFF WEIGHT
* Requires appropriate sensor.
Full Numeric/graphic data display
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7. NUMERIC/GRAPHIC DATA DISPLAY
7.2
Abbreviated Numeric/Graphic Data Display
This display appears at the top right-hand corner when the history, ES 1 and ES
2 displays are active. The items shown depend on whether the fish estimate
mark or net shoot mark is ON or OFF as below.
Heading*
Course*
Speed*
HEADING
321
335
12.5kt
°
*
WATER TEMP 10.3
°C*
Water temperature*,
Water temperature
graph*
SHIP COURSE
SHIP SPEED
LAT/LON[DGPS]*
°
*
20MIN
10
0
*
12
10
Nav data format,
navigator name*
32
°
52.150N
12.150E
321m
*
Latitude and
longitude position*
132
°
*
8
DEPTH
Depth
FISH HISTOGRAM
SCAN
WATER CURRENT*
C1
C2
C3
1.2kt
0.8kt
0.4kt
342
298
256
°
°
°
1
NET DEPTH*
S1
S2
S3
134m
178m
213m
TARGET LOCK ON
(MARK INTERLOCK:
EST&HISTGRAM
at TARGET LOCK menu)
* Requires appropriate
sensor
FISH SCHOOL INFO
LENGTH
WIDTH
51 m
47 m
24 m
2564 m2
45805 m3
59 t
HEIGHT
DIMENSIONS
VOLUME
WEIGHT
Abbreviated Numeric/graphic display
Note: Numeric/graphic data may be turned on/off and format selected. For
further details see Chapter 9.
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7. NUMERIC/GRAPHIC DATA DISPLAY
7.3 Numeric/Graphic Data Description
When a data is lost its last-entered value is shown in red. Data displays can be
turned on or off through the DATA DISPLAY menu.
Numeric/graphic data description
Numeric/ Description
graphic
data item
Display
range
Available
formats
Where to
change
format
Heading Shows heading input from 32 comp. pts.
32 comp. pts.
DATA
heading sensor.
0-359°
DISPLAY
menu
360° True
Course
Speed
Shows ship’s course fed
from Numeric/graphic
indication.
32 comp. pts,
0-359°
0-359°
1-179° P/S, 0°,
180°
32 comp. pts.
360° True
DATA
DISPLAY
menu
360° Rel
180° Rel
Shows ship’s speed fed
from a Numeric/graphic
indication.
0-40 kts
Fixed at knots
Pos.
Sensor
Shows sensor which
inputs position data. When FGPS, GPS, LC,
there is no position data,
only brackets ([ ])
appear.
DPGS, KGPS,
GPS
Loran -C
DR
SYSTEM
menu
(See your
dealer.)
DR
Auto
L/L
Position
Current
Depth
Ship’s position in latitude
and longitude. If position
data is lost the
last-entered position is
shown in red.
Lat: 90°00.000S-
90°00.000N
Lon:
179°59.999W-
179°59.999E,
180°00.00
Shows tide speed and
direction for three layers
or tide and speed for two
layers against a reference
layer fed from a current
indication.
Cur. Speed: 0-9.9
kt
Direction: 0-359°
Direction shown CURRENT
as “flow from,”
or “flow to.”
VEC &
WIND menu
Shows depth from
transducer to bottom
0-9999m
0-999m
Meters
Net
Sonde
Depth of net sonde
transmitter. Shown only at
shooting of net.
Depth of up to
3 pts can be
displayed.
NET SONDE
SETTING
menu
(Continued on next page)
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7. NUMERIC/GRAPHIC DATA DISPLAY
Numeric/graphic data description (con’t. from previous page)
Numeric/
graphic data
item
Description
Display
range
Available
formats
Where to
change
format
Water temp. Shows water temperature
input from a temperature
sensor.
-10.0°C to +40.0°C, °C,
14.0° F to 104.0°F °F
DATA
DISPLAY
menu
Water temp. Shows water temperature
Horizontal axis: Time °C,
DATA
DISPLAY
menu
graph
over time.
20 min (fixed)
°F
Horizontal axis: 20 min.
Vertical axis: °C (°F)
Vertical axis: Temp.
5°C, 10°F, fixed
width, auto shift)
Fish histo-
gram
Shows signal strength
2 marks
For further details see “6.
Comparing Fish
Concentration”.
concentration of fish estimate
mark inscribed on horizontal
display, echo sounder display
Fish school Shows fish school information Length: Distance to fish school in range direction
Info.
during target lock operation.
Width: Distance to fish school in bearing direction
Height: Vertical distance
Dimensions: Horizontal dimension of fish school
Volume: Estimated volume of fish school
Weight: Estimated tonnage of fish school,
calculated
from dimension or volume above.
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8. CUSTOMIZING THE EQUIPMENT
8.1
User Menu
You may program 10 often-used menu items to the user menu area in the menu.
The default user menu contains pulse length, Tx power, TVG near, TVG medium,
TVG far, AGC, 2nd AGC, echo average, color, and color response from the
H-SCAN SETTING menu.
MENU
QUIT
TX PULSE LENGTH-H : 9
TX POWER-H
TVG-NEAR-H
TVG-MEDIUM-H
TVG-FAR-H
AGC-H
: 9
: 0
: 0
: 0
User menu area
: 0
2ND AGC-H
ECHO AVERAGE
COLOR-H
: 0
: 0
: COLOR 1
COLOR RESPONSE-H : COLOR CURVE 3
H-SCAN SETTING...
V-SCAN SETTING...
OTHERS...
Main menu (user menu)
8.1.1
Deleting items from user menu
The equipment is pre-programmed with ten user menu items. To change the
user menu you must first delete a menu item from the user menu which you do
not require.
1. Press the [MENU] key to open the main menu.
2. Select the item to delete.
3. Press and hold down the [MENU] key more than one second to show the
following dialog box.
DELETE REGISTRATION
YES
SELECTED ITEM WILL BE
REMOVED FROM MAIN MENU.
NO
Dialog box for deleting item from user (main) menu
4. Select YES and press the [MENU] key. The dialog box is then closed and the
selected item is deleted from the user menu.
5. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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8. CUSTOMIZING THE EQUIPMENT
8.1.2
Programming the user menu
The procedure below shows you how to add the menu item PRESENTATION
MODE (for selecting presentation mode) to the user menu. Not all menu items
may be programmed to the user menu. See the menu tree on page AP-1 to AP-4
for items which can be programmed. The order of items in the USER menu
cannot be changed.
1. Press the [MENU] key to open the main menu.
2. Select OTHERS and press the [MENU] key.
3. Select DISPLAY SETTING and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
DISPLAY SETTING
DISPLAY MODE...
MODE SELECTION
TX/RX MODE
: MODE KEY
: ALTERNATIVE
: LANDSCAPE
H2/S DISPLAY
PRESENTATION MODE : HEAD UP
TM DISPLAY RANGE
BEARING REF
TILT LEVER
: 1.6R
: SHIP HEADING
: TILT
S AUTO OFF CENTER : OFF
H-SLICE WIDTH
H-SLICE PICT ADVC
NET COURSE MARK
MANUAL DEGAUSS
AUTO DEGAUSS
DIMMER
: 16
: KP SYNC
: ENTER
: EXECUTE
: INT SENSOR
: 10
KEY BEEP VOLUME
: 5
DISPLAY SETTING menu
4. Select PRESENTATION MODE and press the [MENU] key for more than one
second. The dialog box appears.
QUIT
CANCEL
HEAD UP
NORTH UP
COURSE UP
TRUE MOTION
Presentation mode dialog box
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8. CUSTOMIZING THE EQUIPMENT
After the dialog box disappears the following message appears.
USER MENU REGISTRATION
YES
NO
SELECTED ITEM WILL BE
REGISTERED IN MAIN MENU.
Message for registration of user menu item
Note: If 10 items are already registered to the user menu the following
message appears. Delete unnecessary items from the user menu and then
repeat this procedure to register different item.
CAUTION
10 ITEMS ALREADY REGISTERED.
DELETE UNNECESSARY ITEMS
AND TRY AGAIN.
Caution for registration of user menu item
5. Select YES and press the [MENU] key to register item selected to the menu.
6. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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8. CUSTOMIZING THE EQUIPMENT
8.2
Function Keys (F1-F6)
The function keys provide one-touch display of desired menu item or entire
menu. The default function key settings are as below. Not all menu items and
menus may be programmed to the function keys. See the menu tree on page
AP-1 to AP-4 for items which may be programmed.
The default settlings are as below:
F1: PICTURE SHOT
Store current picture
F2: RECALL PICTURE
Recall picture in memory
F3: PRESENTATION MODE
Select presentation mode
F4: DIMMER
Adjust panel dimmer
F5: EVENT MARK
Erase event mark
F6: SHIP’S TRACK
Erase ship’s track
8.2.1
Executing a function
1. Press desired function key. An appropriate dialog box appears.
2. Press the same function key again within five seconds to execute function.
(The function dialog box is automatically erased after five seconds.)
Example default function programs
F1: Storing picture
Press the [F1] key twice to save the current picture.
<<PICTURE SHOT>>
OVERWRITE PREVIOUS PICTURE
SAVED. PRESS THE KEY AGAIN TO
PROCEED.
Press [F1] key.
<<PICTURE SHOT>>
COMPLETE TO SAVE THE PICTURE.
Function dialog box for storing picture
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8. CUSTOMIZING THE EQUIPMENT
F2: Recalling picture
Press the [F2] key to recall the picture stored in the memory.
<<PLAYBACK MODE>>
PRESS FUNCTION KEY AGAIN TO CANCEL.
Function dialog box for recalling picture
Note: If a picture is not stored, the message “Warning! The picture is not stored”
appears.
F3: Presentation mode
Use the [F3] key to select presentation mode.
<<PRESENTATION MODE>>
HEAD UP NORTH UP COURSE UP TRUE MOTION
Dialog box for selection of presentation mode
F4: Panel dimmer
Use the [F4] key to adjust the panel dimmer.
<<DIMMER>>
10
Dialog box for adjustment of panel dimmer
F5: Erase event mark
Use the [F5] key to erase event marks successively.
<<ERASE EVENT MARK>>
8
1
2
3
4
5
6
7
Press [F5].
<<ERASE EVENT MARK>>
1
2
3
4
5
6
7
Function dialog box for erasing fish marks
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8. CUSTOMIZING THE EQUIPMENT
F6: Erase ship’s track
1. Press the [F6] key. The following dialog box appears.
<<ERASE SHIP TRACK>>
100 %
Dialog box for erase ship track
2. Press the [F6] key again. The oldest part of the track will be erased. Each
pressing erases approximately 10% of the track.
8.2.2
Programming function keys
You can change the default setting of a function key as shown below. Note that
all menu items may not be programmed to the function keys. See the menu tree
on page AP-1 to AP-4 for items which can be programmed for function keys.
1. Press the [MENU] key to open the menu.
2. Display the menu item which you want to assign to a function key.
3. Press desired function key for more than one second. The display shows the
following message for five seconds at the top of the screen.
(FUNCTION KEY REGISTRATION)
REPLACE THE FUNCTION TO NEW
SETTING. PRESS THE KEY AGAIN
TO PROCEED.
Confirmation for registering function key
4. Press the same function key again, and the following message appears. This
completes the procedure for programming a function key.
(FUNCTION KEY REGISTRATION)
REGISTRATION COMPLETED.
Confirmation for registering function key
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8. CUSTOMIZING THE EQUIPMENT
8.2.3
Erasing programs
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select PRESET, MEMORY CARD and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
PRESET, MEMORY CARD
ASSIGN USER PROG...
CLEAR F-KEY SETTING...
H/S-SCAN RANGE
V-SCAN RANGE
PICTURE SHOT
: EXECUTE
PICTURE RECALL : EXECUTE
MEMORY CARD...
PRESET, MEMORY CARD menu
4. Select CLEAR F-KEY SETTING and press the [MENU] key.
5. Select YES and press the [MENU] key.
6. Select function key for which you want to erase its program.
QUIT
CANCEL
F1
F2
F3
F4
F5
F6
Function key dialog box
7. Press the [MENU] key.
8. Select QUIT and press the [MENU] key.
9. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
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8. CUSTOMIZING THE EQUIPMENT
8.3
USER PROG Control
The [USER PROG] control provides for instant setup of the equipment according
to fishing ground or target fish. Ten programs may be set up, and vertical and
horizontal display settings may be programmed together or individually. (The
default settings programs them together.) For how to program them individually
see your dealer.
8.3.1
8.3.2
Selecting a user program
Rotate the [USER PROG] control clockwise or counterclockwise to select
program desired. Selected program no. appears at the top right-hand corner of
the screen to the right of “P”. If the equipment is turned off with a user program
active, it starts up with those settings at the next power on.
Programming the USER PROG control
1. Set the equipment as desired. You can set up all items on the H-SCAN
SETTING and V-SCAN SETTING menus as desired.
2. Press the [MENU] key to open the menu.
3. Select OTHERS and press the [MENU] key.
4. Select PRESET, MEMORY CARD and press the [MENU] key. One of the
following menus appears depending on the setting of “SELECT USER
PROG” on the MISC menu of the SYSTEM menu. (For SYSTEM menu,
contact your dealer or refer to installation manual.)
MENU
OTHERS
QUIT
QUIT
QUIT
MENU
OTHERS
QUIT
QUIT
QUIT
PRESET, MEMORY CARD
PRESET, MEMORY CARD
ASSIGN USER PROG-H...
ASSIGN USER PROG-V...
CLEAR F-KEY SETTING
H/S-SCAN RANGE
ASSIGN USER PROG...
CLEAR F-KEY SETTING...
H/S-SCAN RANGE
V-SCAN RANGE
V-SCAN RANGE
PICTURE SHOT
PICTURE RECALL
MEMORY CARD...
: EXECUTE
: EXECUTE
PICTURE SHOT
PICTURE RECALL
MEMORY CARD...
: EXECUTE
: EXECUTE
User program set jointly for
horizontal and vertical displays
User program set individually for
horizontal and vertical displays
PRESET, MEMORY CARD menu
5. Select ASSIGN USER PROG, ASSIGN USER PROG-H/S or ASSIGN USER
PROG-V as appropriate and press the [MENU] key.
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8. CUSTOMIZING THE EQUIPMENT
6. Select YES and press the [MENU] key to confirm the CAUTION indicated.
One of the following displays appears depending on your selection.
QUIT
QUIT
QUIT
CANCEL
CANCEL
CANCEL
to P1
to P2
to P3
to P4
to P5
to P6
to P7
to P8
to P9
to P10
P1-H/S
P2-H/S
P3-H/S
P4-H/S
P5-H/S
P6-H/S
P7-H/S
P8-H/S
P9-H/S
P10-H/S
P1-V
P2-V
P3-V
P4-V
P5-V
P6-V
P7-V
P8-V
P9-V
P10-V
Horizontal
Vertical
Horizontal, Vertical Linked
User program options
7. Use the trackball to select program no. desired and press the [MENU] key.
8. Select QUIT and press the [MENU] key.
9. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
Note: Slant mode user programs are effective when the slant display is selected.
Slant display: user programs for slant mode
Slant combination display: Horizontal display user programs when
horizontal display is active.
Slant display user programs when slant
display is active.
8-9
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8. CUSTOMIZING THE EQUIPMENT
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9. OTHERS MENU
This chapter provides descriptions for the OTHERS menu, which consists of 16
menus. To display the OTHERS menu, press the [MENU] key, select OTHERS
and press the [MENU] key again.
MENU
QUIT
QUIT
OTHERS
ES1 SETTING...
ES2 SETTING...
ERASE MARKS...
DISPLAY SETTING...
ALARM & AUDIO...
PRESET, MEMORY CARD...
INITIAL SETTING...
OTHERS menu
Note that the ES1 SETTING and ES2 SETTING menus set up the echo sounder
and net recorder displays, respectively. For further details, see Chapter 5.
9.1 ERASE MARKS menu
This menu lets you delete selected marks and track, from earliest to latest.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ERASE and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ERASE MARKS
EVENT MARK
FISH MARK
OWN SHIP POS MARK: DELETE
SHIP'S TRACK : DELETE
: DELETE
: DELETE
ERASE MARKS menu
4. Select the mark you want to delete and press the [MENU] key. The earliest
mark is deleted. For ship’s track, approximately 10% of the track is erased
with each press of the [MENU] key.
5. Press the [MENU] key again to continue deleting mark selected.
6. Select QUIT at the top of the menu screen and press the [MENU] key.
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9. OTHERS MENU
9.2
DISPLAY SETTING menu
The DISPLAY SETTING menu sets various display parameters.
9.2.1
Opening the DISPLAY SETTING menu
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select DISPLAY SETTING and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
DISPLAY SETTING
DISPLAY MODE...
MODE SELECTION
TX/RX MODE
: MODE KEY
: ALTERNATIVE
: LANDSCAPE
H2/S DISPLAY
PRESENTATION MODE : HEAD UP
TM DISPLAY RANGE
BEARING REF
TILT LEVER
: 1.6R
: SHIP HEADING
: TILT
S AUTO OFF CENTER : OFF
H-SLICE WIDTH
H-SLICE PICT ADVC
NET COURSE MARK
MANUAL DEGAUSS
AUTO DEGAUSS
DIMMER
: 16
: KP SYNC
: ENTER
: EXECUTE
: INT SENSOR
: 10
KEY BEEP VOLUME
: 5
DISPLAY SETTNG menu
9.2.2
DISPLAY SETTING menu description
DISPLAY MODE: Selects the display modes to use. The default modes are
Horizontal, Horizontal1 + Horizontal2, Vertical1, Vertical 1 + Vertical 2, and
History.
MODE SELECTION: Determines how display modes are chosen: cyclical
pressing of [MODE] key or pull-down menu. The default setting is MODE KEY.
TX/RX MODE: Select how to transmit and receive in combination displays.
ALTERNATIVE executes Tx and Rx one display at a time. MULTI simultaneously
executes Tx and Rx on each display.
H2/S DISPLAY: Selects the combination mode of two horizontal displays:
Landscape, Portrait, Right Inset and Left Inset.
PRESENTATION MODE: Chooses presentation mode. Head-up, north-up,
course-up and true motion (requires ship’s speed and heading data) are
available, and the default setting is head-up.
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9. OTHERS MENU
TM DISPLAY RANGE: Selects how many times to expand the display range in
the true motion mode. 1.3R (R = Range) and 1.6R are available and the default
setting is 1.6R.
BEARING REF: Selects how to reference bearing for the vertical bearing marker.
The choices are ship’s heading (default) and North.
TILT LEVER: Chooses function of the TILT control.
TILT:
Sets the tilt only.
TILT & V1: Sets the bearing of the vertical 1 display in the vertical display, and
sets the tilt in the horizontal display.
S AUTO OFF CENTER: Choose the train value in automatic own ship position
offset in the slant mode. The choices are 30°, 45°, 60° and OFF and the default
setting is 45°. AUTO TRAIN must be turned on to activate this function.
H-SLICE WIDTH: Chooses width of the history marker in the history display. The
choices are 1, 2, 4 and 8, 16 (default setting) and 32. The higher the number the
greater the width.
H-SLICE PICT ADVC: Determines how to advance the history display, by KP
SYNC (default setting) or ship’s speed.
NET COURSE MARK: Inscribes/deletes the net course mark. For further details
see “2.19 Net Course Mark”.
MANUAL DEGAUSS: In the default setting the screen is automatically
degaussed by the internal sensor when it detects stray magnetic fields on the
screen. If you want to degauss the screen manually select MANUAL DEGAUSS
and press the [MENU] key. Execute degaussing in intervals; consecutive
degaussing may result in color distortion.
AUTO DEGAUSS: Selects how to degauss the screen automatically.
OFF: Turns automatic degaussing off.
TIMER: Degausses at regular intervals.
GYRO: Using heading data from a heading sensor, degaussing occurs when
heading change exceeds a certain value.
INT SENSOR: Degaussing occurs when the sensor in the monitor unit detects
heading change which exceeds a certain value. This option is only operative on
the FURUNO monitor unit FSV-2400.
DIMMER: Adjusts backlighting of the control panel. The setting range is 1-10
and the default setting is 10 (maximum).
KEY BEEP VOLUME: Sets the volume of the beep which sounds for key
operation. The setting range is 0-7. “0” turns off the key beep.
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9. OTHERS MENU
9.3
ALARM & AUDIO menu
9.3.1
Opening the ALARM & AUDIO menu
The ALARM & AUDIO menu sets the fish alarm and the audio bearing mark
sector.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select ALARM & AUDIO and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
ALARM & AUDIO
FISH ALARM
: OFF
ALARM LEVEL
ALARM ZONE...
SHIP SPEED ALARM
AUDIO
: 16
: ON
: ON
: 30°
: 0
AUDIO SECTOR
REVERBERATION
ALARM & AUDIO menu
9.3.2
ALARM & AUDIO menu description
FISH ALARM: Turns the fish alarm function on or off. The default setting is off.
ALARM LEVEL: Sets the minimum echo color which triggers the fish alarm. The
setting range is 0-30 and the default setting is 16.
ALARM ZONE: Sets fish alarm zone. For further details see “2.14 Fish Alarm”.
SHIP SPEED ALARM: The default setting is on. So if the ship speed exceeds
limit speed (See page 11-5) during transducer raising/lowering or being
extended the buzzer sounds. You can set this alarm deactivated.
AUDIO: Turns the audio function on (default setting) or off. For further details
see “2.12 Detecting Fish Schools Aurally”.
AUDIO SECTOR: Choose audio sector width for use with audio function. The
choices are 0°, 60°, 90°, 180° and 330°. For further details see “2.12 Detecting
Fish Schools Aurally”.
REVERBERATION: Chooses length of reverberation for audio signal. The
setting range is 0-9 and the default setting is 0 (no reverberation). The larger the
value the longer the reverberation.
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9. OTHERS MENU
9.4
PRESET, MEMORY CARD menu
9.4.1
Opening the PRESET, MEMORY CARD menu
This menu presets various functions and provides memory card operations.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select PRESET, MEMORY CARD and press the [MENU] key.
MENU
OTHERS
QUIT
QUIT
QUIT
PRESET, MEMORY CARD
ASSIGN USER PROG...
CLEAR F-KEY SETTING
H/S-SCAN RANGE
V-SCAN RANGE
PICTURE SHOT
PICTURE RECALL
MEMORY CARD...
: EXECUTE
: EXECUTE
PRESET, MEMORY CARD menu
9.4.2
PRESET, MEMORY CARD menu description
ASSIGN USER PROG: Programs the USER PROG control. For further details
see “9.3 USER PROG Control”.
Note: In the default setting any user program adjusts the horizontal and vertical
displays together. Individual programming for the horizontal and vertical displays
is also available. For further details contact your dealer.
CLEAR F-KEY SETTING: Erases program assigned to a function key. For
further details see “8.2.3 Erasing programs”.
H/S-SCAN RANGE: Presets the horizontal and slant mode ranges as selected
with the [RANGE] control. The setting range is 60-2000 m.
V-SCAN RANGE: Presets the vertical scan ranges as selected with the
[RANGE] control. The setting range and default settings are the same as that for
H-SCAN RANGE.
PICTURE SHOT: Temporarily stores current picture. For further details see “2.21
Storing, Recalling Picture”.
PICTURE RECALL: Replays picture stored in memory. For further details see
“2.21 Storing, Recalling Picture”.
MEMORY CARD: Memory card operations. For further details see Chapter 10.
9-5
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9. OTHERS MENU
9.5
INITIAL SETTING menu
9.5.1
Opening the INITIAL SETTING menu
This menu provides 10 sub menus which perform such tasks as mark
configuration and size.
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select INITIAL SETTING and press the [MENU] key.
4. Select YES and press the [MENU] key to confirm the CAUTION indicated.
The following menu appears.
MENU
OTHERS
QUIT
QUIT
QUIT
INITIAL SETTING
MARK DISPLAY...
MARK SIZE...
DATA DISPLAY...
CURRENT VEC & WIND...
NET SONDE SETTING...
NET SHOOT SETTING...
TARGET LOCK...
STABILIZATION...
TEST...
INITIALIZATION...
INITIAL SETTING menu
The TARGET LOCK menu is described in section 2.11. For the TEST menu, see
to Chapter 11.
9.5.2
INITIAL SETTING menu description
MARK DISPLAY menu
This menu turns on/off marks on the horizontal display. All items except DATA
ON TRACK are turned on in the default setting.
MENU
QUIT
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
MARK DISPLAY
HEADING MARK
: ON
RANGE RINGS
BEARING SCALE
SHIP'S TRACK
DATA ON TRACK
NET MOVEMENT PLOT
FISH MARK CONNECT
TARGET VECTOR
FISH TRACK PLOT
FISH HISTOGRAM
: ON
: ON
: ON
: OFF
: ON
: ON
: ON
: ON
: ON
MARK DISPLAY menu
9-6
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9. OTHERS MENU
HEADING MARK: The heading mark is a dashed line which indicates the
heading in all presentation modes. It extends from own ship position to the outer
edge of the display and appears at zero degrees in the head-up mode. It
changes the orientation depending on ship’s orientation in the north-up,
course-up and true motion modes.
Heading mark
Heading mark
RANGE RINGS: The range rings are the dotted line circles about own ship, and
they provide an estimate of the range to a target. Rings appear every distance of
1/2 or 1/4 of the range depending on menu setting.
R200
100
Range rings
BEARING SCALE: The bearing scale is the concentric solid circle at the edge of
the display. It provides an estimate of the bearing to a target.
N
W
E
S
Bearing scale
SHIP’S TRACK: Traces ship’s movement with a solid line. When the capacity of
the track memory is exceeded the earliest track is automatically erased to trace
new track. Requires ships speed and course data.
9-7
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9. OTHERS MENU
DATA ON TRACK: Shows depth or water temperature on the ship’s track. The
display range for temperature and depth are
Water Temperature: -10°C to 40.0°C (+14°F to 105.0°F)
Depth: 0 to 9999 m
Track
120
124
Depth
(or water temperature)
125
Data on ship’s track
NET MOVEMENT PLOT: Shows predicted net movement against three current
layers over time. Automatically turned on or off with the net shoot mark.
Track
Net
Net movement plot
for three current layers
Net movement plot
FISH MARK CONNECT: You may connect fish marks with a line to show the
order in which they were entered.
Fish marks connected with line
Fish marks connected with line
9-8
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9. OTHERS MENU
TARGET VECTOR: This is a line extending from target lock mark which shows
speed and direction of tracked fish school. See the illustration below for
appearance.
FISH TRACK PLOT: Traces target movement in target lock. Requires ship’s
speed and course data.
Target vector
Fish track plot
Target lock mark
FISH HISTOGRAM: Shows signal strength distribution for the fish school(s)
marked with an estimate mark on the horizontal or echo sounder display. For
further details see page 5-14.
MARK SIZE menu
This menu lets you select the size or the marks appearing on the horizontal
display.
MENU
OTHERS
QUIT
QUIT
QUIT
QUIT
INITIAL SETTING
MARK SIZE
TRACKBALL MARK
TARGET LOCK MARK
TARGET VECTOR
EVENT MARK
: +SMALL
: SMALL
: NORMAL
: LARGE
: LARGE
: SMALL
: ACTUAL
: SMALL
: LARGE
: 1/8
FISH MARK
OWN SHIP POS MARK
OWN SHIP MARK
NET SHOOT MARK
ESTIMATE ON SCAN
ESTIMATE ON ES
CURRENT VECTOR
RANGE RINGS
: SHORT
: 1/4R
SHIP'S TRACK MARK
: 5R
MARK SIZE menu
TRACKBALL MARK: Selects size and appearance of trackball mark. The
choices are large and small “+” mark, and large and small “„” mark.
TARGET LOCK MARK: The target lock mark size is available in large and
small.
9-9
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9. OTHERS MENU
TARGET VECTOR: You may display the target vector in short, normal or long
lengths. Set “long” for slow moving target and “short” for faster moving target.
EVENT MARK: Chooses event mark size; large or small.
FISH MARK: Displays the fish mark in large or small size.
OWN SHIP POS MARK: Shows the own ship position mark in large or small
size.
OWN SHIP MARK: Selects size of own ship mark to standard, large or actual.
NET SHOOT MARK: You may show the net shoot mark in large or small size.
ESTIMATE ON SCAN: Selects the size of the fish estimate mark on the
horizontal display for large or small.
ESTIMATE ON ES: Selects width of fish school concentration calculation area
on the echo sounder display. The choices are 1/8, 1/4 and 1/2 of the echo
sounder depth range.
CURRENT VECTOR: The length of the current vector may be set to short or
long.
RANGE RINGS: Selects the range ring interval; 1/4R or 1/2R (R = Range).
SHIP’S TRACK MARK: Selects the amount of track to display; 5R, 10R, 20R,
40R (R = Range).
9-10
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9. OTHERS MENU
DATA DISPLAY menu
This menu sets the readout format for marks on the display.
Default settings are shown in the illustration below.
MENU
QUIT
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
DATA DISPLAY
RANGE & BEARING
CURSOR POSITION
COURSE
: ON
: OFF
: 32 CMPS
: 360˚TRUE
: 32 CMPS
: ±180˚ REL
CURRENT DATA
EVENT MARK
OTHER MARKS
DISTANCE FOR SHOOT : MILE
WATER TEMP : ˚C
DATA DISPLAY menu
RANGE & BEARING: Turns on/off the range and bearing data which appears
when the range and bearing marks are turned on.
CURSOR POSITION: Turns on/off the cursor position (latitude and longitude)
display. Requires navigation data.
COURSE: Selects how to display course: 32 compass points, 360 ° True,
360° Relative, 180° Relative.
CURRENT DATA: Selects how to display tidal current data; 32 compass points,
360 ° True, 360° Relative, 180° Relative.
EVENT MARK: Selects how to display event mark data; 32 compass points,
360 ° True, 360° Relative, 180° Relative.
OTHER MARKS: Selects how to display other mark data; 32 compass points,
360 ° True, 360° Relative, ±180°. ±180° shows xxxS in case of starboard
direction; xxxP in case of port direction. True indications require heading sensor.
32 compass points shows bearing with alphabet indication, for example, “NNE”.
DISTANCE FOR SHOOT: Selects the distance run unit to show the distance run
after shooting the net. The choices are miles, meters and feet.
WATER TEMP: Chooses water temperature unit; in °C (Celsius) or °F
(Fahrenheit).
9-11
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9. OTHERS MENU
CURRENT VEC & WIND menu
This menu sets up tidal current and wind data.
MENU
OTHERS
QUIT
QUIT
QUIT
INITIAL SETTING
CURRENT VEC & WIND
QUIT
: ABSOLUTE
: ON
CURRENT DATA
ON OWN SHIP MARK
ON SHIP POS MARK
ON NET SHOOT MARK
CURRENT FLOW DIR
WIND
: ON
: ON
: TO
: OFF
CURRENT VEC & WIND menu
CURRENT DATA: Chooses how to display current data; absolute or in relation
to layer 1, layer 2 or layer 3.
ON OWN SHIP MARK: Selects whether to show the current mark on the own
ship mark or not.
ON SHIP POS MARK: Selects whether to show the current mark on the own
ship position mark or not.
ON NET SHOOT MARK: Selects whether to show the current mark on the net
shoot mark or not.
CURRENT FLOW DIR: Chooses how to display current data. FROM shows
from what direction the current is flowing; TO shows the direction the current is
heading. Requires connection of a current indicator.
Current Vector
1
3
1
3
2
2
TO
FROM
Current flow direction settings
WIND: Selects wind display; off, relative wind data or true wind data.
9-12
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9. OTHERS MENU
NET SONDE SETTING menu
This menu sets up the net sonde (option).
MENU
QUIT
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
NET SONDE SETTING
NUMBER OF XMTR
XMTR DISTANCE...
NET LENGTH
: 3
: 1800 m
: 100 m
WIRE LENGTH
DEPTH DISPLAY...
NET SONDE SETTNG menu
NUMBER OF XMTR: Sets number of transmitter units used, from 0-10.
XMTR DISTANCE: Sets the distance between transmitters. Select this item and
press the [MENU] key to set the distances.
MENU
QUIT
QUIT
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
NET SONDE SETTING
XMTR DISTANCE
END OF NET TO S1
S1 TO S2
: 400 m
: 400 m
: 400 m
: 400 m
: 400 m
: 400 m
: 400 m
: 400 m
: 400 m
: 400 m
S2 TO S3
S3 TO S4
S4 TO S5
S5 TO S6
S6 TO S7
S7 TO S8
S8 TO S9
S9 TO S10
XMTR DISTANCE setting window
NET LENGTH: Sets net length in increments of 100 m. Setting range is 500 m to
3000m.
9-13
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9. OTHERS MENU
DEPTH DISPLAY: Selects which sonde depth data to show. Select this item and
press the [MENU] key to select net sondes. The check mark shows current
selection (Max. 3).
QUIT
CANCEL
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
DEPTH DISPLAY menu
NET SHOOT SETTING menu
Sets up net shoot parameters.
MENU
QUIT
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
NET SHOOT SETTING
NET DIAMETER
: 500 m
TILT INTERLOCK
: ON
NET PLOT CORR-LYR1
NET PLOT CORR-LYR2
NET PLOT CORR-LYR3
: 50%
: 50%
: 50%
NET SHOOT SETTING menu
NET DIAMETER: Sets net diameter in increments of 10 meters. Setting range is
200 m to 1000 m.
TILT INTERLOCK: Turns on/off interlocking of diameter of net course mark with
tilt angle.
NET PLOT CORR-LYR-1, -2, -3: The movement of the net during net shooting is
plotted using water current speed and direction fed from a current indicator. The
current indicator feeds that data for three depths (layers), thus net movement will
be different at each layer. Determine degree of difference among layers
considering net, sea conditions, etc. If 50% is set, for example, the net
movement plot mark moves at speed of 50% of water current speed.
9-14
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9. OTHERS MENU
STABILIZATION menu
This menu compensates for pitching and rolling.
MENU
QUIT
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
STABILIZATION
STABILIZATION
: ON
: 0.0
: 0.0
PITCH ANGLE COR
ROLL ANGLE COR
SENSOR
:
STANDARD
STABILIZATION menu
STABILIZATION: Turns stabilization on/off.
PITCH ANGLE COR: Offsets pitch angle error generated by motion sensor.
ROLL ANGLE COR: Offsets roll angle error generated by motion sensor.
SENSOR: Select type of motion sensor used, standard or GPS gyro.
TEST menu
This menu conducts various tests. For further details, see Chapter 11.
MENU
OTHERS
QUIT
QUIT
QUIT
QUIT
INITIAL SETTING
TEST
BOARD TEST...
: EXECUTE
PANEL TEST...
TEST PATTERN...
RX TEST...
: EXECUTE
: EXECUTE
: EXECUTE
: EXECUTE
: OFF
NOISE TEST...
TX
9-15
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9. OTHERS MENU
INITIALIZATION menu
This menu restores default settings and offsets time to use local time.
MENU
QUIT
QUIT
QUIT
OTHERS
INITIAL SETTING
INITIALIZATION
QUIT
: EXECUTE
: EXECUTE
: EXECUTE
SAVE SHIP'S ORG
RECALL SHIP'S ORG
SET TO DEFAULT
ITEM ATTRIBUTION : NON-CHANGEABLE
TIME OFFSET...
INITIALIZATION menu
SAVE SHIP’S ORG: All menu settings are saved. See note below.
RECALL SHIP’S ORG: Recall the menu settings which have been saved above.
See note below.
SET TO DEFAULT: Restore all default menu settings. See note below.
ITEM ATTRIBUTION: Locks/unlocks protected menu settings.
Note: Cannot be changed even if set to CHANGEABLE.
TIME OFFSET: Memory card files are “stamped” with the time fed from external
equipment (for example, a GPS navigator), whose time may be different from
local time. If you want your files to be stamped with the local time set the time
difference between the time source and local time on this menu item. The setting
range is –13:59 to 13:59.
QUIT
HOUR
-11
MIN.
40
CANCEL
Time offset dialog box
9-16
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10. MEMORY CARD OPERATIONS
This chapter provides the information necessary for using the memory cards,
which provide for storage of pictures and configurations (settings).
10.1 Storing Image, Configuration
The memory card can store up to 49 files for image data (max 32 files) and
configuration data (max 32 files), depending on card’s memory capacity and size
of image file. Configuration files store current settings, and they can be replayed
to set up the equipment according to fishing ground or target fish.
The date and time a file is stored is shown in the file list. If there is no time or
date input when a file is stored the file’s date and time line shows 2000/01/01 as
the date and 00:00-99:99 as the time.
Note: Before storing image or configuration to a memory card, you should store
it into the internal memory. See section 2..21 for the procedure.
1. Remove the lid at the front of the processor unit.
2. Insert a memory card face right in the card slot in the processor unit.
Card
slot
Eject
button
Processor unit
3. Press the [MENU] key to open the menu.
4. Select OTHERS and press the [MENU] key.
5. Select PRESET, MEMORY CARD and press the [MENU] key.
10-1
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10. MEMORY CARD OPERATIONS
6. Select MEMORY CARD and press the [MENU] key.
Note: Never remove a memory card while the access lamp (red) is lit.
Quits card operation menu.
Stores current settings.
Stores image data.
Formats memory card.
CARD OPERATION FORMAT SAVE PICT SAVE CONFIG QUIT
2003/10/01 00:01
2003/10/01 00:00
CONFIGURATION
CONFIGURATION
File
list
Date, time file
stored
File type
READING
1/1 PREV PAGE NEXT PAGE
Operation
READING
SAVING
Selects page
Page no.
Progress bar
(Squares fill
FORMATTING
with progress.)
MEMORY CARD menu
7. Select SAVE PICT or SAVE CONFIGURATION as appropriate and press the
[MENU] key to store item selected.
8. Select QUIT and press the [MENU] key.
Note: If the following message appears, there is not enough space on the
memory card. Delete undesired files, referring to the next section, and
try again.
NOT ENOUGH SPACE IN MEMORY CARD.
DELETE UNDESIRED FILES, AND TRY AGAIN.
10-2
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10. MEMORY CARD OPERATIONS
10.2 Loading, Deleting Files
This section shows you how to load and delete files. You may load files on the
display to analyze echoes. When a memory card becomes full, you may wish to
delete unnecessary files.
1. Insert memory card.
2. Press the [MENU] key to open the menu.
3. Select OTHERS and press the [MENU] key.
4. Select PRESET, MEMORY CARD and press the [MENU] key.
5. Select MEMORY CARD and press the [MENU] key.
CARD OPERATION FORMAT SAVE PICT SAVE CONFIG QUIT
2003/10/26 12:12
2003/10/01 00:01
2003/10/01 00:00
CONFIGURATION
CONFIGURATION
CONFIGURATION
1/1 PREV PAGE NEXT PAGE
MEMORY CARD menu
6. Select a file and press the [MENU] key.
CARD OPERATION FORMAT SAVE PICT SAVE CONFIG QUIT
2003/10/26 12:12
2003/10/20 00:01
2003/10/01 00:00
CONFIGURATION
CANCEL
RECALL
DELETE
CONFIGURATION
CONFIGURATION
1/1 PREV PAGE NEXT PAGE
MEMORY CARD menu, recall, delete dialog box opened
7. Select RECALL or DELETE as appropriate and press the [MENU] key.
When you select RECALL, the setting is loaded. Then, rotating the [USER
PROG] control change a user program.
8. Select QUIT and press the [MENU] key.
When RECALL is selected, the file from the memory card is now loaded into the
internal memory. If you want to display the image loaded, refer to “2.21.1
Recalling stored picture”.
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10. MEMORY CARD OPERATIONS
10.3 Formatting Memory Cards
Formatting prepares the memory card for use with the system. Note that if you
erase the contents of a memory card it must be re-formatted.
1. Insert a formatted memory card in the memory card slot in the processor unit.
2. Press the [MENU] key to open the menu.
3. Select OTHERS and press the [MENU] key.
4. Select PRESET, MEMORY CARD and press the [MENU] key.
5. Select MEMORY CARD and press the [MENU] key.
6. Use the trackball to select FORMAT and press the [MENU] key.
The message “FORMAT MEMORY CARD. THE FILES SAVED IN CARD
WILL BE DELETED” appears.
7. Select FORMAT to format (or CANCEL to escape) and press the [MENU]
key.
8. Select QUIT and press the [MENU] key.
10-4
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11. MAINTENANCE,
TROUBLESHOOTING
This chapter provides information necessary for keeping the equipment in good
working order.
WARNING
Do not open the equipment.
Hazardous voltage which can
cause electrical shock exists
inside the equipment. Only
qualified personnel should
work inside the equipment.
11.1 Preventive Maintenance
Check the following points monthly.
• Check all cables. If damaged, replace.
• Check connectors at rear of each unit. If loosened, reconnect.
• Check earth of each unit. Clean if necessary.
• Check voltage of ship’s mains to be sure it is within the equipment’s power
rating.
Cleaning the equipment
Dust or dirt can be removed from the equipment with a soft, dry cloth. Do not use
chemical cleaners to clean the equipment – they can remove paint and
markings.
11-1
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11. MAINTENANCE, TROUBLESHOOTING
11.2 Hull Unit Maintenance
Follow the points mentioned below to keep the hull unit in good working order.
Apply MOLYTONE grease
#2 every six months.
Raise transducer and coat main
shaft with Daphne Eponex Grease
No.2 (IDEMITSU KOSAN CO.,LTD.)*1
every six months.
Dry dock ship and clean
transducer face yearly.
Apply single coat of
"MARINE STAR 20 Mod
(Red-N)" anti-foulant to
transducer face to keep
marine life off the transducer.
Hull unit maintenance
*1: Equivalent greases:
•
•
•
SHOWA SHELL OIL: Shell Albania Grease S No.2
EXXON MOBIL: Mobilux EP No.2
NIPPON OIL CORPORATION: Multinox Grease No. 2
CAUTION
Replace anticorrosion zinc plate yearly.
Corrosion between the main shaft and
transducer may result, allowing water leakage
and/or loss of transducer.
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11. MAINTENANCE, TROUBLESHOOTING
11.3 Fuse Replacement
The fuses in the processor unit, transceiver unit and hull unit protect them from
overcurrent and equipment fault. If the power cannot be applied, first check the
fuse in the processor unit and transceiver unit. If the power still cannot be turned
on, have a qualified technician check the fuses in other units.
Unit and fuse
Unit
Fuse rating
Processor unit
Transceiver unit
FGB0 10 A 250 VAC (2 pcs.)
FGB0 20 A 250 VAC (2 pcs.)
For 100/110/115 VAC
FGB0 10 A 250 VAC (2 pcs.)
For 220/230 VAC
Transceiver unit (B voltage power
section)*
FGBO 15 A 250 VAC (2 pcs.)
Transceiver unit (DC power section)*
Hull unit*
FGMB 5 A 250 VAC (2 pcs.)
FGMB 2 A 250 VAC (1 pc.)
* Fuse cannot be replaced by operator.
WARNING
Use the proper fuse.
Use of a wrong fuse can cause fire or
damage the equipment.
11-3
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11. MAINTENANCE, TROUBLESHOOTING
11.4 Troubleshooting
The table below provides common symptoms of equipment troubles and the
means to rectify them.
Troubleshooting
Check, Remedy
Symptom
Cannot turn on
the power.
• Check cables between transceiver unit, processor unit and
monitor unit.
• Check ship’s mains.
• Have a suitably qualified technician check the fuse in the
transceiver unit.
Bottom echo
becomes
irregular.
• Rough seas. Distance to the bottom changes due to rolling
and pitching.
• Long range selected. Transmission period is longer so ship’s
pitching and rolling are apt to affect detection of echo.
Weak echo
• Output power set to minimum. Set to maximum, on the
H-SCAN SETTING menu.
• Excessive TVG. Readjust TVG on the appropriate menu
(H-SCAN SETTING, V-SCAN SETTING). Note that
readjustment of TVG is necessary when gain is adjusted.
Somewhat
strange color
• Brilliance setting too low. Increase brightness with the
[BRILLIANCE] control.
Picture contains
noise.
• Equipment not grounded properly. Check equipment ground.
• Power cable is too close to the signal cable. Relocate power
cable or signal cable.
• Debris may be on sea surface. Reject unwanted noise with
the interference rejector on the appropriate menu among
H-SCAN SETTING, V-SCAN SETTING.
11-4
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11. MAINTENANCE, TROUBLESHOOTING
11.5 Warning Messages
The table below shows the warning messages which may appear on the display.
All warning messages are accompanied by an audio alarm, which you may
silence with the [R/B AUDIO] key.
Error messages
Message
Meaning, Remedy
Power supply
OVERVOLTAGE!!
This message blinks at the screen center and
the buzzer sounds when the voltage supplied
to the transceiver unit is excessive.
Transmission is stopped if the equipment is
transmitting, to protect the transducer and
transmitter power section from damage.
Silence the buzzer with the [R/B AUDIO] key,
retract the transducer and turn off the power.
Have a qualified technician check input
voltage.
RETRACT TRANSDUCER AND TURN OFF
POWER. CHECK SHIP’S MAINS VOLTAGE.
PRESS [R/B] KEY TO TURN OFF ALARM.
Transceiver unit
NO RESPONSE FROM TRANSCEIVER
UNIT.
TURN OFF AND ON POWER AGAIN, OR
CHECK POWER LINE TO TRANSCEIVER
UNIT. PRESS [R/B] KEY TO TURN OFF
ALARM.
This message blinks at the screen center and
the buzzer sounds when there is no reply
from the transceiver unit. Press the [R/B
AUDIO] key to turn off the buzzer. Have a
qualified technician check the set.
ELECTRIC CHARGE!!
This message blinks at the screen center and
the buzzer sounds if the +B voltage of
capacitors in the transceiver unit can not be
charged to predetermined voltage within the
specified time. Press the [R/B AUDIO] key to
silence the buzzer. Have a qualified
RETRACT TRANSDUCER AND TURN OFF
POWER. CHECK SHIP’S MAINS VOLTAGE.
PRESS R/B KEY TO TURN OFF ALARM.
technician check the set.
OVER TEMPERATURE!!
RETRACT TRANSDUCER AND TURN OFF
POWER.
This message blinks at the screen center and
the buzzer sounds when the temperature in
the power supply block has exceeded 85°C.
Press the [R/B AUDIO] key to silence the
buzzer. Turn off the unit and have a qualified
technician check the set.
PRESS R-B KEY TO TURN OFF ALARM.
Hull unit, transducer
TRANSDUCER NOT RETRACTED!!
This message blinks at the screen center, the
CUT OFF POWER LINE TO MONITOR UNIT buzzer sounds and the LEDs above keys
AND HULL UNIT. PRESS [R/B] KEY TO
TURN OFF ALARM.
blink if the transducer is not raised within 26
seconds for 800 mm stroke or 33 seconds for
1100 mm stroke of pressing the [↑] key.
Press the [R/B AUDIO] key to silence the
buzzer. The reason may be the transducer is
tangled in the net or its shaft is bent. Try
raising it from the hull unit as shown in
section 11.9.
11-5
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11. MAINTENANCE, TROUBLESHOOTING
Error messages (con’t from previous page)
Message
Meaning, Remedy
Hull unit, transducer (con’t)
WARNING!!
This message blinks at the screen center and
the buzzer sounds when the transducer is
knocked out of position in any aspect of its
operation. Try to return the transducer to its
normal position by operating the [↑] or [↓]
key and silence the buzzer with the [R/B
AUDIO] key.
TRANSDUCER IS KEPT AT WRONG
POSITION. SET BACK TRANSDUCER
POSITION TO NORMAL BY USING ↑ OR ↓
KEY. PRESS [R/B] KEY TO TURN OFF
ALARM.
WARNING!!
This message blinks at the screen center and
the buzzer sounds when the transducer is
extended and ship’s speed, input by external
equipment, exceeds 18 kts. Silence the
buzzer with the [R/B AUDIO] key and lower
ship’s speed.
TRANSDUCER IS KEPT EXTENDED. MAX
ALLOWABLE SPEED FOR EXTENDED
TRANSDUCER IS 18 KT. PRESS [R/B] KEY
TO TURN OFF ALARM.
WARNING!!
This message blinks at the screen center and
the buzzer sounds when the transducer is
raised/lowered and ship’s speed, input by
external equipment, exceeds 15 kts. Silence
the buzzer with the [R/B AUDIO] key and
lower ship’s speed.
MAX ALLOWABLE SPEED DURING
RAISING/LOWERING TRANSDUCER IS 15
KT. PRESS [R/B] KEY TO TURN OFF
ALARM.
11.6 Error Codes
The equipment displays a (blinking) three-digit error code at the bottom of the
display when it detects internal trouble. In case of multiple error, error codes
appear in numerical order and the maximum number of codes displayable is five.
The codes remain on the screen until the corresponding trouble is fixed, and a
buzzer sounds each time a new error code is added to the on-screen error code
display. For any error code, report error code number to your dealer.
* * * Error Code * * *
#003, #006, #108
Error code
11-6
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11. MAINTENANCE, TROUBLESHOOTING
11.7 Status Messages
Status messages appear at the screen center to alert the operator. These are as
below.
Status messages and their meanings
Status message
Meaning
TX OFF
Transmission turned off from the menu.
RAISE/LOWER
TEST*
Raise/lower command received from the control unit in
normal operation, to manually test raise/lower switch in hull
unit. Raise/lower keys on the control unit are inoperative
during the hull unit test.
* = Not displayed when TX is OFF.
11.8 Tests
A comprehensive diagnostic facility is provided for testing the equipment. If NG
(no good) or abnormal display appears in the test results for any test, contact
your dealer.
11.8.1 TEST menu
1. Press the [MENU] key to open the menu.
2. Select OTHERS and press the [MENU] key.
3. Select INITIAL SETTING and press the [MENU] key.
4. Select TEST and press the [MENU] key to open the TEST menu.
MENU
OTHERS
QUIT
QUIT
QUIT
QUIT
INITIAL SETTING
TEST
BOARD TEST...
: EXECUTE
PANEL TEST...
TEST PATTERN...
RX TEST...
: EXECUTE
: EXECUTE
: EXECUTE
: EXECUTE
: OFF
NOISE TEST...
TX
TEST menu
11-7
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11. MAINTENANCE, TROUBLESHOOTING
11.8.2 Board test
Select BOARD TEST from the TEST menu and press the [MENU] key to do this
test.
TRX Board update no.
(From left TRX1)
Program No.
BOARD TEST
DCON-0
105-0788-XX.XX
00 00
TRCPU-0
105-0790-XX.XX
00 00
105-0791-XX.XX
ROM = OK
EEPROM = OK
RAM = OK
VRAM = OK
DPRAM1 = OK
DPRAM2 = OK
DPRAM on
DUAL board
+3.3V = 3.2V
+12V = 12.1V
ROM = OK
RAM = OK
TDS = OK
-12V =
-11.9V
DPRAM on
IFES board
140V = 138.6V
TRX
0 0 0 0 0 F 0 0 0 0 0 0 0 0 0 0
DUAL-X
105-0789-XX.XX
00
00
ROM = OK
RAM = OK
VRAM = OK
DPRAM = OK
DATA = OK
BMF-0
DATA = OK
00 00 00 00
Board name,
revision no.
RDS1 = OK
RDS 2 = OK
FDS1 = OK
FDS2 = OK
DIP switch
setting
SCAN-0
SCAN2-0
IFES-0
105-0796-XX.XX
ROM = OK
RAM = OK
VRAM = OK
DPRAM = OK
DATA = OK
PWR
INC
12V = 12.3V
+B = 120.8V
Memory, data
test results
TEST = OK
Pitch = +12.3
Roll = - 2.5
KEY1-0
KEY2-0
105-0685-1XX
00
00
ROM = OK
RAM = OK
Motion sensor test results
105-0685-1XX
TD
TEMP = 76.4°C
ROM = OK
RAM = OK
For No.2
control unit
Transducer temperature
(Press OFFCENTER key to display.)
PRESS MENU KEY TO QUIT TEST MODE.
XX: Version No.
OK: Normal
NG: Abnormal
Board test results
For any NG, contact your dealer for advice.
11-8
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11. MAINTENANCE, TROUBLESHOOTING
Interpreting the board test results
• Board name and its revision no. are shown in white. If a board is not
inserted or inserted improperly “F” is shown as program number. When a
revision no. is improper a hexadecimal from 0-E appears. When an error is
found, revision no. and board name appear in red.
• Program no. is shown in white, or red when software finds revision no. error.
• DIP switch setting on each board is shown.
• Memory read/write test results are shown as OK (white) or NG (red).
• Test data check results are shown as OK (white) or NG (red).
• TX +B voltage is measured and displayed.
• Motion sensor test results show OK (white) or NG (red) as overall results
and pitch and roll angles.
• KEY 2-0 will be displayed only when two control units are installed.
11-9
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11. MAINTENANCE, TROUBLESHOOTING
11.8.3 Panel test
This test checks the keys, controls and trackball of the control unit. Select
PANEL TEST from the TEST menu and press the [MENU] key to do this test.
PANEL TEST
1
*
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
X = 0
Y = 0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
X = 0
Y = 0
0
0
0
0
PRESS MENU KEY TO QUIT TEST MODE.
PANEL test
Key check:
Press each key one by one. A key is normal if its
corresponding on-screen location shows “1” while the key is
pressed and “0” when the key is released. The power keys
(ON and OFF) can not be checked.
Control check: Operate each control one by one. A control is normal if
rotating clockwise indicates positive, and counterclockwise,
negative. The [BRILLIANCE] control, [AUDIO] control and the
[POWER] switches cannot be checked.
*: When two control units are connected, 1 is for main control unit and 2 is for
sub control unit.
Trackball check: Operate the trackball. X-Y coordinates of trackball position
are displayed. Normal conditions are as follows.
Rightward:
Leftward:
Upward:
X positive
X negative
Y positive
Y negative
Downward:
Lever check:
Press the lever upward or downward. Normal conditions
are 1 for upward and 2 for downward.
11-10
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11. MAINTENANCE, TROUBLESHOOTING
11.8.4 Test pattern
This test checks for proper display of colors and brilliance. Select TEST
PATTERN from the TEST menu and press the [MENU] key to do this test. Use
the [MODE] key to change the test pattern.
PRESS MENU KEY TO QUIT TEST MODE.
PRESS MODE KEY TO CHANGE TEST PATTERN.
White
BLACK
RED
GREEN
BLUE
Black
Test patterns
11-11
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11. MAINTENANCE, TROUBLESHOOTING
11.8.5 Rx test (For service technician)
This test inputs dummy data to each board and each board outputs a test
pattern (32 color). Select RX TEST from the TEST menu and press the [MENU]
key to do this test. Select the board to test with the [MODE] key, in the sequence
shown below.
Horizontal display
SCAN-H TEST
<<CHECKING RX >>
PRESS MENU KEY TO QUIT TEST MODE.
MODE : CHANGE DISP MODE.
Horizontal display
Vertical display
SCAN-H&V TEST
This message appears while the Rx test is
being conducted.
SCAN2-H TEST
SCAN2-H & V TEST
DUAL TEST
Horizontal 2 display
Vertical display
History display
Echo Sounder display
IFES TEST
Horizontal combination dislpay
BMFTEST
Rx test sequence, Rx test message
11.8.6 Noise test (For service technician)
This test measures noise level. Select NOISE TEST from the TEST menu and
press the [MENU] key to conduct this test. The following message appears on
the display while the test is being conducted. Use the [GAIN] control to adjust
noise level to medium.
<< NOISE TEST >>
PRESS MENU KEY TO QUIT TEST MODE.
ADJUST NOISE LEVEL TO MEDIUM BY GAIN KNOB.
Noise test message
11-12
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11. MAINTENANCE, TROUBLESHOOTING
11.9 Raising the Transducer from the Hull Unit
If the transducer cannot be raised with the switches on the control unit, because
it is tangled in the net or its shaft is bent, try to raise it from the hull unit,
automatically or manually, whichever works.
11.9.1 Raising the transducer automatically
1. Turn off the monitor unit, transceiver unit and hull unit from the ship’s mains
breaker. (If the transducer cannot be retracted power cannot be turned off
from the monitor unit.)
2. Check if the net or other object is caught in the transducer.
3. Look through the lid on the raise/lower control box in the hull unit to check if
the motor breaker is OFF. If it is midway between ON and OFF, open the lid
and turn it off and then on.
4. Unfasten six screws to remove the cover of the raise/lower control box.
5. Push the RESET button (green) on the raise/lower control box.
6. Close the cover.
7. Turn on the breaker at the ship’s mains.
8. Turn on the equipment from the control unit.
9. Press the [ ] key on the control unit to raise the transducer.
If the transducer cannot be raised, the shaft may be bent. In this case raise it
manually with the hand crank, following the instructions on the next page.
Power
Lamp
Motor
Breaker
Reset
Button
(green)
Raise/lower control box, cover removed
11-13
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11. MAINTENANCE, TROUBLESHOOTING
11.9.2 Raising the transducer manually
1. Open the lid on the raise/lower control box of the hull unit and turn off the
motor breaker. Confirm that the power lamp is off. (See the illustration on the
previous page for location of motor breaker and power lamp.)
2. Unscrew two screws to remove the cover.
3. Attach the ratchet wrench to the motor shaft, referring to the illustration
below.
Ratchet wrench
Lower
Raise
Motor
4. While holding the ratchet wrench, pull the release lever toward you and
upward to release the brake.
Holder
Release lever
DOWN
Note: Hold the ratchet wrench when releasing the brake, to prevent the
transducer from falling out.
5. Turn the ratchet wrench clockwise to raise the transducer.
6. After retracting the transducer into the tank, set the release lever to the
holder as shown below.
Push release lever
into holder.
11-14
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MENU TREE
MENU key
TX INTERVAL (0-9, 9) *1, *2
TX PULSE LENGTH (0-9, 7) *1, *2
TX POWER (0-9, 9) *1, *2
TX PULSE LENGTH-H
TX POWER-H
TVG-NEAR-H
COLOR (COLOR 1-4, 2) *1, *2
COLOR SETTING...
(Sets echo level of colors.)
COLOR RESPONSE
(COLOR CURVE 1-4, 3) *1, *2
COLOR RESPONSE...
TVG-NEAR (-5 - 5, 5) *1, *2
TVG-MEDIUM (-5 - 5, 4) *1, *2
TVG-FAR (-5 - 5, 2) *1, *2
NOISE LIMITER (0-15, 7) *1, *2
REVERBERATION (0-3, 0) *1, *2
SIDELOBE SUPPRESS (-3 - 3.0, 3)
AGC (0-9, 0) *1, *2
TVG-MEDIUM-H
Default
TVG-FAR-H
user
AGC-H
menu
2ND AGC-H
ECHO AVERAGE-H
COLOR-H
(Sets color response curve.)
GAIN OFFSET (0-12, 5) *1, *2
SIGNAL LEVEL (0-15, 3) *1, *2
FAR TVG CURVE (TVG1-4, 3) *1, *2
ABSORPTION COEFF (0.0dB-32.0dB, 23.5dB)
TVG DISTANCE... (Sets TVG curve.)
2ND AGC DISTANCE (0-2000m, 60m)*1
NEAR AGC DISTANCE (20-300m, 100m)*1
SMOOTH ECHO RNG (0-3, 2) *1, *2
SMOOTH ECHO CIR (0-3, 0) *1, *2
GAIN CONTROL (NORMAL, WIDE)
BEAMWIDTH...
2ND AGC (0-12, 4) *1, *2
COLOR RESPONSE-H
H-SCAN SETTING...*2, *3
V-SCAN SETTING...*2
OTHERS... *2
NEAR AGC (1-10, 2) *1, *2
ECHO AVERAGE (0-7, 2) *1, *2
INT REJECT (0-3, 0) *1, *2
BOTTOM SUPRESS (0-10, 0) *1, *2
FREQ SHIFT (-65-+65, 0) *1, *2
FREQ/BEARING SET (0-358, 0)*1, *2
OTHERS *2
(See next page.)
Default settings in bold
italic.
BEAMWIDTH A (AR, -4 to +5, 5) *1, *2
BEAMWIDTH B (0-5, 0) *1, *2
TX PULSE LENGTH (0-9, 7) *1, *2
TX POWER (0-9, 9)
TVG-NEAR (-5 - 5, 5) *1, *2
TVG-MEDIUM (-5 - 5, 4) *1, *2
TVG-FAR (-5 - 5, 2) *1, *2
NOISE LIMITER (0-15, 7) *1, *2
REVERBERATION (0-3, 0) *1, *2
SIDELOBE SUPPRESS (0-3, 3)
AGC (0-9, 0) *1, *2
COLOR (COLOR 1-4, 2) *1, *2
COLOR SETTING...
(Sets echo level of colors.)
COLOR RESPONSE
(COLOR CURVE 1-4, 3) *1, *2
COLOR RESPONSE...
2ND AGC (0-12, 4) *1, *2
(Sets color response curve.)
NEAR AGC (1-10, 2) *1, *2
ECHO AVERAGE (0-7, 2) *1, *2
INT REJECT (0-3, 0) *1, *2
BOTTOM SUPRESS (0-10, 0) *1, *2
FREQ SHIFT (-65-+65, 0) *1, *2
OTHERS *2
GAIN OFFSET (0-12, 5) *1, *2
SIGNAL LEVEL (0-15, 3) *1, *2
FAR TVG CURVE (TVG1-4, 3) *1, *2
ABSORPTION COEFF (0.0dB-32.0dB, 23.5dB)
TVG DISTANCE... (Sets TVG curve.)
2ND AGC DISTANCE (0-2000m, 60m)*1
NEAR AGC DISTANCE (20-300m, 100m)*1
SMOOTH ECHO RNG (0-3, 2) *1, *2
SMOOTH ECHO CIR (0-3, 0) *1, *2
GAIN CONTROL (NORMAL, WIDE)
BEAMWIDTH...
*1: Items which can be programmed to the user menu. See page 8-2.
*2: Items which can be programmed to a function key. See page 8-6.
*3: S-SCAN SETTING shown when Slant mode is active. Menu items
are same as in H-SCAN SETTING menu.
BEAMWIDTH A (0-5, 5) *1, *2
BEAMWIDTH B (0-5, 0) *1, *2
DISPLAY POSITION (LEFT, RIGHT) *1, *2
VERTICAL SIZE (FULL, HALF) *1, *2
AP-1
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APPENDIX
OTHERS
ES1 SETTING... *2
GAIN (0-10, 5) *1, *2
RANGE (20-320 m, 160 m) *1, *2
SHIFT (0-1000 m, 0 m) *1, *2
CLUTTER (0-10, 0) *1, *2
SIGNAL LEVEL (0-9, 0) *1, *2
INT REJECT (OFF, ON) *1, *2
PICTURE ADVANCE (1/1, 1/2, 1/4, 1/8, SPEED SYNC)
PICT ADVC AT SHOOT (ADV AT SHOOT, SPEED SYNC)
COLOR SETTING... (Sets echo level of selected color.)
COLOR RESPONSE... (Sets echo level vs. echo strength.)
SCALE POSITION (RIGHT, LEFT)
ES2 SETTING... *2
GAIN (0-10, 5)
RANGE (20, 40, 60, 80, 120, 160, 240, 320 m, INTERLOCK) *1, *2
[RANGE BELOW NET* (20, 40, 60, 80, 120, 160, 240, 320 m)] *1, *2
SHIFT (0-1000 m, INTERLOCK**, 0 m) *1, *2
[RANGE UPPER NET* (20, 40, 60, 80, 160, 240, 320 m)] *1, *2
CLUTTER (0-10, 0) *1, *2
SIGNAL LEVEL (0-9, 0) *1, *2
INT REJECT (OFF, ON) *1, *2
* = Displayed with
net recorder connection
PICTURE ADVANCE (1/1, 1/2, 1/4, 1/8, SPEED SYNC)
COLOR SETTING... (Sets echo level of selected color.)
COLOR RESPONSE... (Sets echo level vs. echo strength.)
NET RECORDER DISP (DOWN, UP/DOWN)
NET RECORDER RANGE (80-640 m, 80 m)
** = INTERLOCK of SHIFT is
effective if INTERLOCK of
RANGE is selected.
ERASE MARKS... *2
EVENT MARK (Deletes event marks.) *1, *2
FISH MARK (Deletes fish marks.) *1, *2
OWN SHIP POS MARK (Deletes own ship position marks.) *1, *2
SHIP'S TRACK (Deletes ship's track.) *1, *2
DISPLAY SETTING... *2
DISPLAY MODE... (H1, S, H1&H2, H&S, V1, V1&V2, V1&ES1, V1&ES2, HISTORY, ES1, ES2, ES1&ES
MODE SELECTION (MODE KEY, PULL-DOWN MENU)
TX/RX MODE (ALTERNATIVE, MULTI)
)
H2/S DISPLAY (LANDSCAPE, PORTRAIT, RIGHT INSET, LEFT INSET) *1, *2
PRESENTATION MODE (HEAD UP, NORTH UP, COURSE UP, TRUE MOTION) *1, *2
TM DISPLAY RANGE (1.3R, 1.6 R)
BEARING REF (SHIP HEADING, NORTH) *2
TILT LEVER (TILT, TILT&V1)
S AUTO OFF CENTER (OFF, ON)
H-SLICE WIDTH (1, 2, 4, 8, 16, 32)
H-SLICE PICT ADVC (KP SYNC, SPEED SYNC)
NET COURSE MARK (ENTER, DELETE) *1, *2
MANUAL DEGAUSS (Manually degausses screen; supplied monitor only.) *1, *2
AUTO DEGAUSS (OFF, TIMER, GYRO, INT SENSOR)
DIMMER (1-10, 10) *1, *2
KEY BEEP VOLUME (0-7, 5)
ALARM & AUDIO...*2
FISH ALARM (OFF, ON)
ALARM LEVEL (0-30, 16)
ALARM ZONE... (Sets fish alarm zone.)
SHIP SPEED ALARM (OFF, ON)
AUDIO (OFF, ON)
AUDIO SECTOR (30˚, 60˚, 90˚, 180˚, 330˚)
REVERBERATION (0-9, 0)
PRESET, MEMORY CARD... *2
ASSIGN USER PROG (Programs USER PROG control. Default menu item.)
CLEAR F-KEY SETTING (Programs function keys.)
H/S-SCAN RANGE (60-2000 m, Defaults: 100, 200, 400, 600, 800, 1000 (m))
V-SCAN RANGE(60-2000 m, Defaults: 100, 200, 400, 600, 800, 1000 (m))
PICTURE SHOT (Stores current picture in memory.) *1, *2
PICTURE RECALL (Recalls picture in memory.) *1, *2
MEMORY CARD... (Menu for formatting, saving, replaying menu cards.) *2
(Continued on next page)
AP-2
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APPENDIX
INITIAL SETTING... *2
MARK DISPLAY... *2
HEADING MARK (OFF, ON)
RANGE RINGS (OFF, ON)
BEARING SCALE (OFF, ON)
SHIP'S TRACK (OFF, ON)
DATA ON TRACK (OFF, WATER TEMP, DEPTH)
NET MOVEMENT PLOT (OFF, ON)
FISH MARK CONNECT (OFF, ON)
TARGET VECTOR (OFF, ON)
FISH TRACK PLOT (OFF, ON)
FISH HISTOGRAM (OFF, ON)
MARK SIZE... *2
TRACKBALL MARK (+SMALL, +LARGE, ꢄSMALL, ꢄLARGE)
TARGET LOCK MARK (SMALL, LARGE)
TARGET VECTOR (SHORT, NORMAL, LONG)
EVENT MARK (SMALL, LARGE)
FISH MARK (SMALL, LARGE)
OWN SHIP POS MARK (SMALL, LARGE)
OWN SHIP MARK (STANDARD, LARGE, ACTUAL)
NET SHOOT MARK (SMALL, LARGE)
ESTIMATE ON SCAN (SMALL, LARGE)
ESTIMATE ON ES (1/8, 1/4, 1/2)
CURRENT VECTOR (SHORT, LONG)
RANGE RINGS (1/2R, 1/4R)
SHIP'S TRACK MARK (5R, 10R, 20R, 40R)
DATA DISPLAY... *2
RANGE&BEARING (OFF, ON)
CURSOR POSITION (OFF, ON)
COURSE (32 CMPS, 360˚ TRUE, 360˚ REL, 180˚ REL)
CURRENT DATA (32 CMPS, 360˚ TRUE, 360˚ REL, 180˚ REL)
EVENT MARK (32 CMPS, 360˚ TRUE, 360˚ REL, 180˚ REL)
OTHER MARKS (32 CMPS, 360˚ TRUE, 360˚ REL, 180˚ REL)
DISTANCE FOR SHOOT (MILE, METER, FEET)
WATER TEMP (˚C, ˚F)
CURRENT VEC & WIND... *2
CURRENT DATA (ABSOLUTE, REL TO LAYER1, REL TO LAYER2, REL TO LAYER3) *2
ON OWN SHIP MARK (OFF, ON)
ON SHIP POS MARK (OFF, ON)
ON NET SHOOT MARK (OFF, ON)
CURRENT FLOW DIR (TO, FROM)
WIND (OFF, RELATIVE, ABSOLUTE) *2
NET SONDE SETTING... *2
NUMBER OF XMTR (0-10, 3)
XMTR DISTANCE...
END OF NET TO S1 (0-1000 m, 400 m)
S1 TO S2 (0-1000 m, 400 m)
S2 TO S3 (0-1000 m, 400 m)
S3 TO S4 (0-1000 m, 400 m)
S4 TO S5 (0-1000 m, 400 m)
S5 TO S6 (0-1000 m, 400 m)
S6 TO S7 (0-1000 m, 400 m)
S7 TO S8 (0-1000 m, 400 m)
S8 TO S9 (0-1000 m, 400 m)
S9 TO S10 (0-1000 m, 400 m)
NET LENGTH (500-3000 m, 1800 m)
DEPTH DISPLAY... (S1-S10, S1-S3)
(Continued on next page.)
AP-3
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APPENDIX
NET SHOOT SETTING... *2
NET DIAMETER (200-1000 m, 500 m)
TILT INTERLOCK (OFF, ON)
NET PLOT CORR-LYR1 (0-100%, 50%)
NET PLOT CORR-LYR2 (0-100%, 50%)
NET PLOT CORR-LYR3 (0-100%, 50%)
TARGET LOCK... *2
TRACKING METHOD (TARGET MARK, FISH) *1, *2
TILT INTERLOCK (OFF, TILT, TILT&RANGE)
MARK INERLOCK (OFF, ESTIMATE MARK, EST&HISTOGRAM)
TRACKING DATA (HORIZONTAL/SLANT, H&V)
THRESHOLD (1-30, 16)
BOTTOM THRESHOLD (0-5, 3)
TARGET SPEED LIMIT (1-15 kt, 5 kt)
SMOOTHING (0.0-1.0, 0.5)
TARGET SPD UPDATE (15sec, 30sec, 45sec, 60sec)
TARGET LOCK WINDOW (NORMAL, LARGE, LARGEST)
DIMENSION SETUP (0-100t, 25t/1000m2)
VOLUME SETUP (0-100t, 25t/1000m3)
STABILIZATION... *2
STABILIZATION (OFF, ON)
PITCH ANGLE COR (-10.0 - +10.0, 0.0)
ROLL ANGLE COR (-10.0 - +10.0, 0.0)
SENSOR (STANDARD, GPS GYRO)
TEST... *2
BOARD TEST... (Tests circuit boards.)
PANEL TEST... (Tests control panel.)
TEST PATTERN... (Displays test patterns.)
RX TEST... (Checks receiver.)
NOISE TEST... (Executes noise test.)
TX (ON, OFF) *1, *2
INITIALIZATION... *2
SAVE SHIP'S ORG
RECALL SHIP'S ORG *1
SET TO DEFAULT (Restores all default settings.)
ITEM ATTRIBUTION (NON-CHANGEABLE, CHANGEABLE)
TIME OFFSET... (Sets time difference between UTC and local time.)
AP-4
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FURUNO
FSV-84
SPECIFICATIONS OF THE COLOR SCANNING SONAR
FSV-84
1
GENERAL
1.1 Scanning method
1.2 Frequency
Continuous scanning beam forming
80 kHz
1.3 Range, TX cycle and Pulse-length
Basic Range
Range (m)
Offcenter ‘ON’ Offcenter ‘OFF’
(m)
60
0-60
0-100
0-150
0-200
0-300
0-400
0-500
0-600
0-700
0-800
0-900
0-1000
0-1100
0-1200
0-1400
0-1600
0-2000
0-96
100
150
200
300
400
500
600
700
800
900
1000
1100
1200
1400
1600
2000
0-160
0-240
0-320
0-480
0-640
0-800
0-960
0-1120
0-1280
0-1440
0-1600
0-1760
0-1920
0-2240
0-2560
0-3200
1.4 Audio Search
1.5 Audio Output
30°, 60°, 90°, 180°, 330°, selectable
1.1 W (4 ohm)
1.6 Audio Frequency
1.0 kHz
2
DISPLAY UNIT
2.1 Display Tube
PPI display on 21-inch high-resolution color CRT (for separate type),
1280(H) × 1024(V) dots
2.2 Color
32 colors (sonar picture), 16 colors (echo sounder), 4 colors (marks)
Head-up, North-up*, True-motion* and Course-up*
2.3 Orientation
2.4 Presentation Mode
Horizontal, Sonar, Horizontal 2, S-scan, S-scan combination, Vertical
1, Vertical 2, Vertical scan 1 + Echo sounder, History, Echo sounder
1, Echo sounder 2, Echo sounder 1 + Echo sounder 2
SP - 1
E1329S01B
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FURUNO
FSV-84
2.5 Features
Custom mode, interference rejector, afterglow, noise limiter,
color erasure, memory card (save and recall of picture, setting data),
automatic tilt, automatic target tracking* (target lock), fish alarm,
over-voltage warning, unretracted transducer warning
*: Appropriate sensor required
3
TRANSCEIVER UNIT
3.1 Transmitter
PDM half-bridge
3.2 Receiving method
3.3 Horizontal Tx Beamwidth
3.4 Horizontal Rx Beamwidth
3.5 Tilt Angle
Straight amplifier, full digital beam forming
Horizontal 360° × Vertical 10.7° (-6 dB full width)
Horizontal 12.6° ×Vertical 10.1° (-6 dB, full width)
-5° to 90°
3.6 Vertical Tx Beamwidth
3.7 Vertical Rx Beamwidth
3.8 Vertical Search Range
3.9 S Tx Beamwidth
3.10 S RX Beam width
3.11 Tilt Angle
Horizontal 12.7° × Vertical 118.2° (-6 dB, full width)
Horizontal 12.6° × Vertical 12.1° (-6 dB, full width)
0° to 90°
Horizontal 206.7° × Vertical 12.1° (-6 dB, full width)
Horizontal 12.6° × Vertical 12.0° (-6 dB, full width)
-5° to 90°
4
HULL UNIT
Type
FSV-8432
FSV-8442
XDCR travel
500/800 mm
21 sec
800/1100 mm
28 sec
Raise/Lower Time
Allowable ship’s speed
(Raise/lower operation)
18 knots
15 knots
(18 knots)
(15 knots)
5
DATA IO
5.1 Input (NMEA 0183)
CUR, DBS, DBT, DPT, GGA, GLL, HCC, HCD, HDG, HDM, HDT,
MTW, MWV, RMA, RMC, VBW, VDR, VHW, VTG, VWT, ZDA, GNS
System clock, position, speed, bearing, first layer current data, water
depth, water temperature, multi-layer current data, net depth, wind
5.2 CIF Input Data
5.3 Output (NMEA 0183)
TLL
SP - 2
E1329S01B
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FURUNO
FSV-84
6
POWER SUPPLY
6.1 Processor Unit, Control Unit, Display Unit
100-115/200-230 VAC, 1 phase, 50/60 Hz, 5 A
Processor Unit, Control Unit
100-115/200-230 VAC, 1 phase, 50/60 Hz, 2 A
6.2 Transceiver Unit
6.3 Hull Unit
100/110/115/200/230 VAC, 1 phase, 50/60 Hz, 15 A
200-220 VAC, 3 phase, 50/60 Hz, 4 A
7
ENVIRONMENTAL CONDITIONS
7.1 Ambient Temperature
Transducer:
-5°C to +35°C
0°C to +50°C
95% at 40°C
Other units:
7.2 Relative Humidity
7.3 Vibration
IEC 60945 4 ed.
7.4 Waterproofing (IEC 60529)
Display Unit:
Control Unit:
Transceiver Unit
Hull Unit:
No protection (IEC: IPX0) Display panel: IPX2
No protection (IEC: IPX0) Panel: IPX2
No protection (IEC: IPX0)
Burstproof (IEC: IPX2)
IPX8
Transducer:
8
COATING COLOR
8.1 Display Unit
8.2 Processor Unit
8.3 Control Unit
8.4 Transceiver Unit
8.5 Hull Unit
2.5GY5/1.5
2.5GY5/1.5
Panel: N3.0, No.535
2.5G7/2
2.5G7/2
SP - 3
E1329S01B
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INDEX
Bearing scale..........................................9-7
Board test............................................. 11-8
Bottom suppression
A
Absorption coefficient
horizontal mode................................ 2-49
slant mode........................................ 4-42
vertical mode .................................... 3-18
AGC
horizontal mode ................................2-23
slant mode........................................4-20
vertical mode ....................................3-14
BRILLIANCE control...............................1-3
2nd AGC distance, horizontal mode ... 2-50
2nd AGC distance, slant mode........... 4-43
2nd AGC distance, vertical mode ....... 3-19
2nd AGC, horizontal mode ................. 2-18
2nd AGC, slant mode......................... 4-15
2nd AGC, vertical mode ..................... 3-11
adjustment, horizontal mode............. 2-17
adjustment, slant mode..................... 4-14
adjustment, vertical mode................. 3-10
near AGC distance, horizontal mode. 2-50
near AGC distance, slant mode ........ 4-43
near AGC distance, vertical mode..... 3-19
near AGC, horizontal mode............... 2-19
near AGC, slant mode ...................... 4-16
near AGC, vertical mode................... 3-11
ALARM & AUDIO menu.......................... 9-4
AUDIO control............................. 2-30, 4-26
Audio function
C
Cleaning............................................... 11-1
Clutter...................................................5-15
Color
horizontal mode ................................2-48
slant mode........................................4-41
vertical mode ....................................3-18
Color response
horizontal mode ................................2-48
slant mode........................................4-41
vertical mode ....................................3-18
Color response curve
echo sounder mode ..........................5-15
horizontal mode ................................2-49
slant mode........................................4-42
vertical mode ....................................3-18
Control description..................................1-1
Control unit.............................................1-1
Course format....................................... 9-11
Course-up mode...................................2-33
Current data
flow direction.....................................9-12
format ...............................................9-12
indication .......................................... 9-11
Current mark
horizontal mode................................ 2-30
slant mode........................................ 4-26
AUTO TILT key................................2-9, 4-9
AUTO TRAIN key................................. 2-32
Automatic tilt
horizontal mode.................................. 2-9
slant mode.......................................... 4-9
Automatic training
horizontal mode................................ 2-32
slant mode........................................ 4-11
on net shoot mark.............................9-12
on own ship position mark.................9-12
CURRENT VEC & WIND menu ............9-12
Current vector size ...............................9-10
Cursor position ..................................... 9-11
B
Beamwidth
horizontal mode................................ 2-25
slant mode........................................ 4-21
vertical mode .................................... 3-15
Bearing
horizontal mode, measuring.............. 2-14
slant mode, measuring ..................... 4-11
Bearing mode......................................... 9-3
D
Defaults ................................................9-16
Degauss.................................................9-3
DELETE MARK key...2-40, 2-42, 4-34, 4-36
Depth measurement.............................5-12
DISPLAY SETTING menu ......................9-2
IN-1
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INDEX
Distance measurement .........................5-12
Function keys
erasing programs ............................... 8-7
executing functions............................. 8-4
programming...................................... 8-6
Fuse replacement .................................11-3
E
Echo average
horizontal mode.................................2-23
slant mode ........................................4-20
vertical mode.....................................3-13
ERASE MARKS menu............................9-1
Error codes...........................................11-6
Error messages.....................................11-5
ES1 SETTING menu.............................5-15
ES2 SETTING menu.............................5-16
ESTIMATE key.............................2-38, 4-32
Estimate marks
G
Gain
echo sounder mode.......................... 5-10
horizontal, slant and vertical modes.. 1-13
GAIN control ........................................ 1-13
Gain control curve
horizontal mode................................ 2-50
slant mode........................................ 4-43
Gain offset
horizontal mode................................ 2-49
slant mode........................................ 4-42
vertical mode.................................... 3-18
Graphic display
echo sounder mode...........................5-13
horizontal mode.................................2-38
slant mode ........................................4-32
EVENT key ..................................2-41, 4-35
Event marks
format................................................9-11
horizontal mode, deleting from menu.2-43
horizontal mode, deleting with
abbreviated......................................... 7-2
full ...................................................... 7-1
H
DELETE MARK key.......................2-42
horizontal mode, entering..................2-41
size ...................................................9-10
slant mode, deleting from menu ........4-37
slant mode, deleting with
Heading mark......................................... 9-7
Head-up mode ..................................... 2-33
History marker
description.......................................... 6-4
width................................................... 6-5
History mode
DELETE MARK key.......................4-36
slant mode, entering..........................4-35
history marker width ........................... 6-5
interpreting ......................................... 6-3
picture advance mode ........................ 6-6
sample display.................................... 6-2
H-slice
picture advance.................................. 9-3
width................................................... 9-3
HSV key.......................... 1-13, 2-7, 3-6, 4-7
Hull unit maintenance............................11-2
F
F1-F6 keys..............................................8-4
Fish alarm
horizontal mode.................................2-35
slant mode ........................................4-30
Fish histogram ......................................5-14
FISH key......................................2-39, 4-33
Fish marks
connection of.......................................9-8
horizontal mode, deleting ..................2-40
horizontal mode, entering..................2-39
size ...................................................9-10
slant mode, deleting..........................4-34
slant mode, entering..........................4-33
track plot .............................................9-9
Freq/bearing setting
I
Indications
echo sounder mode............................ 5-2
horizontal mode.................................. 2-2
slant mode.......................................... 4-2
vertical mode...................................... 3-3
INITIAL SETTING menu......................... 9-6
INITIALIZATION menu ......................... 9-16
Interference rejector
horizontal mode.................................2-23
echo sounder mode.......................... 5-15
horizontal mode................................ 2-21
IN-2
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INDEX
slant mode........................................ 4-18
vertical mode .................................... 3-12
O
OFF CENTER key.......................2-37, 4-28
Offcentering
K
automatic, slant mode.......................4-29
manual, horizontal mode...................2-37
manual, slant mode...........................4-28
OTHERS menu.......................................9-1
horizontal mode ................................2-47
slant mode........................................4-40
vertical mode ....................................3-17
Own ship mark size ..............................9-10
Own ship position marks
Key beep volume.................................... 9-3
M
MAIN menu ..........................................1-14
Maintenance
cleaning............................................ 11-1
fuse replacement.............................. 11-3
hull unit............................................. 11-2
preventive......................................... 11-1
MARK DISPLAY menu ........................... 9-6
MARK SIZE menu.................................. 9-9
Marks
echo sounder mode............................ 5-2
horizontal mode.................................. 2-2
slant mode.......................................... 4-2
vertical mode ...................................... 3-3
Memory cards
horizontal mode, deleting from menu 2-43
horizontal mode, deleting with
DELETE MARK key ......................2-42
horizontal mode, entering..................2-42
size...................................................9-10
slant mode, deleting from menu........4-37
slant mode, deleting with
DELETE MARK key ......................4-36
slant mode, entering .........................4-36
file recalling....................................... 10-3
formatting ......................................... 10-4
image and configuration.................... 10-1
MENU key............................................ 1-14
Menu tree.................................................. 1
MODE key.............................................. 1-6
P
Panel dimmer .........................................1-4
Panel test ........................................... 11-10
Picture advance speed
at shooting of net ..............................5-15
normal operation............................... 5-11
Picture recall.........................................2-46
Picture shot ..........................................2-46
Pitch angle............................................9-15
POWER switches ...................................1-2
Presentation mode................................2-33
PRESET, MEMORY CARD menu...........9-5
Pulse length
N
Net course mark
horizontal mode................................ 2-44
slant mode........................................ 4-38
Net diameter.........................................9-14
Net length............................................. 9-13
Net movement plot ................................. 9-8
Net plot correlation ............................... 9-14
Net shoot distance unit......................... 9-11
Net shoot mark
horizontal mode ................................2-18
slant mode........................................4-15
vertical mode ....................................3-10
horizontal mode................................ 2-45
size................................................... 9-10
slant mode........................................ 4-39
NET SHOOTING menu ........................ 9-14
NET SONDE SETTING menu .............. 9-13
Noise limiter
R
R/B AUDIO key............................2-30, 4-26
Range
echo sounder mode ............................5-8
echo sounder mode, presetting...........5-8
horizontal and slant modes, presetting9-5
horizontal mode, measuring..............2-14
slant mode, measuring...................... 4-11
vertical mode, measuring....................3-6
vertical mode, presetting.....................9-5
horizontal mode................................ 2-23
slant mode........................................ 4-20
vertical mode .................................... 3-13
Noise test........................................... 11-12
North-up mode .....................................2-33
IN-3
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INDEX
Range and bearing data........................9-11
RANGE control
horizontal mode...................................2-7
slant mode ..........................................4-7
vertical mode.......................................3-6
Range rings
vector ........................................ 9-9, 9-10
TARGET LOCK key... 2-27, 2-28, 4-23, 4-24
TARGET LOCK menu ................. 2-29, 4-25
TEST menu...........................................11-7
Test pattern .........................................11-11
Tests
interval ..............................................9-10
on/off...................................................9-7
Reverberation
board test ..........................................11-8
noise test.........................................11-12
panel test.........................................11-10
Rx test.............................................11-12
test menu ..........................................11-7
test pattern ......................................11-11
Tilt angle
horizontal mode........................2-23, 2-32
slant mode ...............................4-20, 4-27
vertical mode.....................................3-13
Rolling angle.........................................9-15
Rx test ................................................11-12
horizontal mode.................................. 2-8
slant mode.......................................... 4-8
TILT control
function preset.................................... 9-3
horizontal mode.................................. 2-8
slant mode.......................................... 4-8
Tilt interlock (net shooting) ................... 9-14
Time offset ........................................... 9-16
Track
S
Scale position (echo sounder mode).....5-15
SHOOT key .................................2-45, 4-39
Sidelobe suppression
horizontal mode.................................2-24
slant mode ........................................4-20
vertical mode.....................................3-14
Signal level
amount to display ............................. 9-10
data on ............................................... 9-8
description.......................................... 9-7
erasing ............................................... 9-1
Trackball mark position reference
mark............................................ 3-5, 5-2
Trackball mark size ................................ 9-9
Transducer
echo sounder mode...........................5-15
horizontal mode.................................2-49
slant mode ........................................4-42
vertical mode.....................................3-18
Smoothing
circular, horizontal mode....................2-50
circular, slant mode ...........................4-43
circular, vertical mode........................3-19
range, horizontal mode......................2-50
range, slant mode .............................4-43
range, vertical mode..........................3-19
Sonde depth data..................................9-14
STABILIZATION menu..........................9-15
Start-up test ........................................11-12
Status messages...................................11-7
System configuration ...............................xiii
lowering, raising from display unit....... 1-3
raising automatically from raise/lower
control box...................................11-13
raising manually from raise/lower
control box...................................11-14
Transducer switches ....................... 1-2, 1-3
Transmitter
distances.......................................... 9-13
number of......................................... 9-13
Troubleshooting ....................................11-4
True motion mode
T
Target lock
fish school mode, horizontal mode ....2-27
fish school mode, slant mode............4-23
mark size.............................................9-9
position mode, horizontal mode.........2-28
position mode, slant mode.................4-24
type, horizontal mode........................2-26
type, slant mode................................4-22
description........................................ 2-33
display range...................................... 9-3
TVG
adjustment, horizontal mode............. 2-15
adjustment, slant mode .................... 4-12
adjustment, vertical mode................... 3-7
far TVG curve, horizontal mode........ 2-49
IN-4
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INDEX
far TVG curve, vertical mode ............ 3-18
TVG distance, horizontal mode......... 2-50
TVG distance, slant mode................. 4-43
TVG distance, vertical mode............. 3-19
Tx frequency
horizontal mode................................ 2-22
vertical mode.................................... 3-13
slant mode........................................ 4-19
Tx interval
horizontal mode................................ 2-22
slant mode........................................ 4-19
Tx power
horizontal mode................................ 2-20
slant mode........................................ 4-17
Tx/Rx mode............................................ 9-2
U
User menu
deleting items from ............................. 8-1
programming ......................................8-2
USER PROG control
programming ......................................8-8
user program selection ....................... 8-8
V
V1/S, V2 keys................................ 3-5, 3-16
Vertical bearing mark.............................. 3-4
Vertical display position ........................ 3-19
Vertical expansion display .................... 3-16
Vertical size (vertical mode)..................3-20
W
Warning messages............................... 11-5
Water temperature unit......................... 9-11
Wind data............................................. 9-12
IN-5
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