Altinex Network Card VA6835FC User Manual

INTERFACES  
MANUAL PART NUMBER: 400-0062-003  
PRODUCT REVISION: 2  
VA6835FC  
SYSTEM UNIVERSAL INTERFACE  
USER’S GUIDE  
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INTERFACES  
to a table or wall, use only Altinex made  
mounting accessories, such as brackets  
(DA1293FC or DA1294FC) and cables for  
optimum setup.  
PRECAUTIONS / SAFETY WARNINGS  
1
Please read this manual carefully before using your  
VA6835FC Interface. Keep this manual handy for  
future reference. These safety instructions are to  
ensure the long life of your VA6835FC and to  
prevent fire and shock hazard. Please read them  
carefully and heed all warnings.  
·
To turn off the main power, be sure to remove  
the cord from the power outlet. The power  
outlet socket should be installed as close to  
the equipment as possible, and should be  
easily accessible.  
1.1 GENERAL  
·
·
Do not pull the power cord or any cable that is  
attached to the VA6835FC Interface.  
·
·
Unauthorized personnel shall not open the unit  
since there are high-voltage components  
inside.  
If the VA6835FC Interface is not used for an  
extended period, disconnect the power cord  
from the power outlet.  
Qualified Altinex service personnel, or their  
authorized representatives must perform all  
service.  
1.4 CLEANING  
Unplug the VA6835FC power cord before  
1.2. SAFETY GUIDELINES FOR THE RACK-  
MOUNTING OF THE VA6835FC  
·
cleaning. Clean surfaces with a dry cloth.  
Never use strong detergents or solvents, such  
as alcohol or thinner. Do not use a wet cloth or  
water to clean the unit.  
·
·
·
Maximum operating ambient temperature is 35  
(degrees C).  
Never restrict the airflow through the devices’  
fan or vents.  
1.5 FCC / CE NOTICE  
When installing equipment into a rack, distribute  
the units evenly. Otherwise, hazardous  
conditions may be created by an uneven weight  
distribution.  
·
·
This device complies with Part 15 of the FCC  
Rules. Operation is subject to the following two  
conditions: (1) This device may not cause  
harmful interference, and (2) this device must  
accept any interference received, including  
interference that may cause undesired  
operation.  
·
·
Connect the unit to a properly rated supply  
circuit.  
Reliable Earthing (Grounding) of Rack-Mounted  
Equipment should be maintained.  
This equipment has been tested and found to  
comply with the limits for a Class A digital  
device, pursuant to Part 15 of the FCC Rules.  
These limits are designed to provide  
1.3 INSTALLATION  
·
For best results, place the VA6835FC  
Interface on a flat, level surface in a dry area  
away from dust and moisture.  
reasonable  
protection  
against  
harmful  
interference when the equipment is operated  
in a commercial environment. This equipment  
generates, uses, and can radiate radio  
frequency energy and, if not installed and  
used in accordance with the instruction  
manual, may cause harmful interference to  
radio communications. Operation of this  
equipment in a residential area is likely to  
cause harmful interference in which case the  
user will be required to correct the interference  
at his own expense.  
·
To prevent fire or shock, do not expose this  
unit to rain or moisture. Do not place the  
VA6835FC Interface in direct sunlight, near  
heaters or heat radiating appliances, or near  
any liquid. Exposure to direct sunlight, smoke,  
or steam can harm internal components.  
·
·
Handle the VA6835FC Interface carefully.  
Dropping or jarring can damage internal  
components.  
Do not place heavy objects on top of the  
VA6835FC. If the VA6835FC is to be mounted  
2
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INTERFACES  
Main Video Output  
Connector  
Compatibility  
Two sets of 6 BNC  
Female  
·
Any changes or modifications to the unit not  
expressly approved by Altinex, Inc. could void  
the user’s authority to operate the equipment.  
VGA/  
SVGA/XGA/UXGA,  
Apple/MACII/Quadra/G  
3, Sun/SGI  
ABOUT YOUR INTERFACE  
2
There are varieties of computers and computer  
video cards on the market today. There are also  
several data monitors and large screen data  
projectors. When displaying a computer image on  
a large screen data projector or on a large screen  
monitor, it often becomes clear that some  
computers are not always compatible with certain  
display devices. The VA6835FC is a computer  
video interface designed to resolve this  
incompatibility.  
Workstations  
Table 1. VA6835FC General  
MECHANICAL  
VA6835FC  
Width (inches)  
Height (inches)  
Depth (inches)  
Weight (pounds)  
Ship Weight (pounds)  
Material  
8.50in (216mm)  
1.75in (44mm)  
4.93in. (125mm)  
2.0lbs (0.91kg)  
4.0lbs (1.82kg)  
0.1" Aluminum  
Gray  
The VA6835FC is a dual output computer Video  
Interface. It is designed to interface a single VGA/  
SVGA/ XGA/ UXGA/ MAC/ SUN or SGI computer  
video source to two scan-rate compatible  
presentation monitors or data projectors.  
Finish  
Faceplate  
T° Operating  
T° Maximum  
Humidity Technical  
MTBF (calculations)  
Lexan  
10°C-35°C  
50°C  
90% non-condensing  
40,000 hrs  
It is important to understand the general  
capabilities of this interface. The VA6835FC does  
not change the scan-rate or the resolutions of the  
video signal so the source (computer) and display  
(projector or monitor) must be scan-rate  
compatible. The VA6835FC simply converts a  
computer video signal to a pre-selected analog  
format or separates the sync signal from the green  
signal on output 1 if the input signal is RGsB.  
Table 2. VA6835FC Mechanical  
ELECTRICAL  
VA6835FC  
Input Video Signal  
Analog Signal  
Impedance  
Rise/Fall Time (ns)  
Input Sync Signal  
Horizontal, Vertical, & C-Sync  
Sync on Green  
Impedance  
Output Video Signals  
Analog Signal  
0.3 to 1.2 volt p-p  
75 Ohms  
0.9  
TTL(+/-)  
-0.3V  
10 k Ohms  
The VA6835FC is a state-of-the art piece of  
equipment with an exceptional combination of  
compact size, advanced features, and very  
competitive pricing.  
0.77 V p-p  
75 Ohms  
1.2  
Impedance  
TECHNICAL SPECIFICATIONS  
3
Rise/Fall Time (ns)  
Output Sync Signal  
Composite Sync  
Sync on Green  
Impedance  
Frequency Compatibility  
Horizontal  
Vertical  
Minimum Video Bandwidth  
Typical Video Bandwidth  
FEATURES/DESCRIPTION  
GENERAL  
Input  
VA6835FC  
TTL(+/-)  
-0.3V  
22 Ohms  
1
Computer Video Input  
Connector  
Output  
15-pin HD Female  
15-130 kHz  
25-180 Hz  
350 MHz  
Local Monitor Output +  
Two Main Video  
Outputs  
425 MHz  
Local Monitor Output  
Connector  
15-pin HD Female  
3
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INTERFACES  
20 %  
39dB @ 100MHz  
Horizontal Position Range  
Cross-talk  
Power  
Internal Power Supply  
Power Consumption  
90-140V/200-240V  
Table 3. VA6835FC Electrical  
VA6835FC DESCRIPTION  
4
4
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INTERFACES  
5
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INTERFACES  
designated Altinex adapter cables, such as VGA,  
MAC, SUN, SGI, or RGB.  
The VA6835FC has two key functions. It’s first  
function is to amplify or buffer the signal to insure  
that it is strong enough to travel distances of 100 ft  
or farther through a coaxial cable. The second  
function is to process the sync and to convert it to a  
format that is acceptable to several displays.  
PIN  
No.  
LOCAL MONITOR OUTPUT SIGNALS ON  
HD 15-PIN FEMALE CONNECTOR  
Red Video  
Green Video  
1
2
Blue Video  
ID Bit (Grounded when ID Bit switch is ON)  
Ground  
3
4
5
4.1 COMPUTER VIDEO INPUT (VGA  
COMPATIBLE HD 15-PIN CONNECTOR)  
Ground  
Ground  
Ground  
Composite Sync  
No connection  
ID Bit  
The HD 15-pin connector input allows the  
connection of a computer source to the interface  
using Altinex input cables, which are available for  
a variety of popular computers and graphics cards  
on the market. These include VGA, MAC, SUN,  
and SGI type video output connectors, with proper  
cables. The VA6835FC input is compatible with  
standard VGA cables.  
6
7
8
9
10  
11  
12  
13  
14  
15  
ID Bit  
Horizontal Sync  
Vertical Sync  
No connection  
PIN  
No.  
INPUT SIGNALS ON HD 15-PIN FEMALE  
CONNECTOR  
Table 5. Local Monitor Output pin-out  
Red Video  
Green Video  
1
2
4.3 MAIN (RGBS/RGBHV) OUTPUTS THROUGH 6  
Blue Video  
3
BNC CONNECTORS  
ID Bit (Grounded when ID Bit switch is ON)  
4
BNC connectors offer a reliable connection for  
high-resolution video signals, and they facilitate  
easy cable maintenance in the field. The  
VA6835FC offers two main outputs with six BNC  
connectors for each output. By selecting the  
appropriate connectors, these outputs can provide  
RGSB, RGBHV, or RGBS output signals.  
Ground  
Ground  
Ground  
Ground  
No connection  
No connection  
ID Bit  
5
6
7
8
9
10  
11  
12  
13  
14  
15  
ID Bit  
For a RGsB type signal the “Sync on Green” dip  
switch must be set to the ON position.  
Horizontal Sync/Composite Sync  
Vertical Sync  
No connection  
For a RGBHV type signal, you may either connect  
cables to horizontal or vertical BNC connectors or  
you may connect the horizontal channel to the  
composite sync connectors by turning the “HV  
Output” dip-switch to the ON position.  
Table 4. VA6835FC Input pin-out  
4.2 LOCAL MONITOR OUTPUT (HD 15-PIN  
CONNECTOR)  
With these connectors, the VA6835FC can be  
connected to compatible data projectors using  
3 coax, 4 coax, or 5 coax cables.  
The HD 15-Pin connector output is used to  
connect the local monitor to the interface. This is a  
fully buffered output that eliminates reflections  
often caused by “Y” type monitor breakout cables.  
There is no need to terminate the unused output.  
The “termination” switch on the VA6835FC affects  
only the terminations of the computer video input.  
The output is VGA compatible, but can also be  
used to feed other types of local monitors using  
6
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INTERFACES  
the power input connector displays the proper  
voltage. To change the setting, unplug the  
VA6835FC, and squeeze the clips on either side  
of the fuse box. Pull out the fuse holder and turn it  
180 degrees, resetting it with the proper voltage  
shown through the window. Re-insert the fuse box  
making sure that the side clips of the fuse box  
lock securely into place.  
CONNECTOR  
Red  
Green  
Blue  
Sync  
Hor.  
Vertical  
MAIN DUAL OUTPUT (6-BNC  
FEMALE)  
Red Video  
Green Video  
Blue Video  
Composite Sync/ Horizontal  
Horizontal Sync  
Vertical Sync  
Table 6. VA6835FC dual (6 BNC) Output pin-out  
4.7 MOUNTING CAPABILITY  
4.4 HORIZONTAL POSITION ADJUSTMENT  
The VA6835FC can be easily mounted into an  
equipment rack. Four mounting holes are provided  
on each side of the unit. To mount a single unit,  
use Altinex 19”-1U Rack Mount Ears (part #  
DA1294FC). To mount two units in tandem, use  
an Altinex 19”-1U Rack Mount Shelf (part #  
DA1293FC). For mounting under the table,  
optional brackets, such as the TM1271, TM1272,  
TM1273, or TM1274 can be used.  
Most monitors and projectors have the ability to  
adjust the horizontal position of the image, but  
sometimes it is helpful to be able to control this  
feature at the interface. This control is especially  
useful when multiple computers are switched to a  
single display, as the positions for each computer  
might be slightly different.  
By keeping the VA6835FC’s Horizontal Position  
control dial in the center position, the image on the  
display should first be adjusted using the monitor  
or projector control. If necessary, turn the image  
using the VA6835FC’s Horizontal Position Control  
Dial.  
4.8 BANDWIDTH  
The typical bandwidth of the VA6835FC is 420  
MHz. The minimum bandwidth is 350 MHz. This  
exceptionally high bandwidth allows the passing of  
the third harmonics of the video signal, thus  
maintaining the highest quality of the input signal.  
To turn off the Horizontal Position Control, turn the  
adjustment dial fully to the right until a clicking  
sound is heard.  
4.5 HORIZONTAL DELAY REMOVAL  
The VA6835FC offers the ability to by-pass  
horizontal delay. This may be necessary when  
interfacing with projectors or monitors with  
sensitive sync inputs, particularly with LCD type  
projectors. By turning the Horizontal Position  
adjustment dial fully to the right, the control will  
“click” into a locked position. In this position, the  
VA6835FC outputs the same sync types, which  
are fed into it from the source. In this setting, the  
VA6835FC will not provide horizontal positioning.  
The horizontal position adjustment of the image  
must be made at the display.  
4.6 POWER REQUIREMENTS  
The VA6835FC may be used with either 90-140V  
or 200-240V for ease of use throughout the world.  
Always make sure that the fuse box window above  
7
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INTERFACES  
APPLICATION DIAGRAM  
5
Step 5. Connect one end of a BNC cable to  
output one or two of the VA6835FC units.  
Connect the other end to the RGB input  
on the projector or monitor. Usually either  
a 4 BNC or 5 BNC coaxial cable is used,  
depending on whether display devices  
require composite sync or horizontal and  
vertical sync signals.  
INSTALLING YOUR INTERFACE  
6
Step 1. Please attach the Interface on the rack  
using the provided rack mount hardware  
on or under the furniture using the  
optional TM Series Altinex brackets.  
Step 2. Before you plug in the power cord to the  
unit, please verify that the voltage rating  
of 110V/220V on the FUSE CLIP located  
at the rear of the unit is the same as the  
power outlet. (Refer to section 4.6 for  
changing the voltage).  
Step 6. Make sure that the dip-switches are set  
properly. For the desired sync output  
format, refer to section 7.  
Step 7. It is recommended that when the  
Interface’s horizontal position control is  
centered (or turned OFF), the horizontal  
position of the image should first be  
adjusted using the control provided by the  
monitor or projector. If it is still required, it  
can be adjusted using the Horizontal  
Position Control dial located on the front  
of the VA6835FC.  
Step 3. Connect one end of the input cable  
included with the Interface unit to the  
video output connector of your computer  
and the other end to the computer input  
HD-15 port of the VA6835FC.  
Step 4. If needed, connect the local monitor  
output HD-15 connector of the VA6835FC  
to the local monitor using the appropriate  
Altinex Local Monitor cables. It is not  
necessary to terminate this output with a  
termination plug if a local monitor is not  
being used.  
CONGRATULATIONS! YOU ARE DONE.  
If you experience any problems, please call  
1-800-258-4623 or 1-714-990-2300 for  
international calls.  
8
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INTERFACES  
This is used primarily when interfacing to laptop  
computers to imitate the presence of a local  
monitor. Typically, this recognition will take place  
during the boot up stage of a computer. If your  
computer does not output video, place the ID Bit  
switch in the ON position and reboot the  
computer. When in the OFF position, the ID Bit  
will be passed through the local monitor output  
port.  
OPERATION  
7
According to Table 4, the settings of the  
VA6835FC Interface can be adjusted using dip-  
switches. There are no other adjustments  
necessary to operate the unit. The VA6835FC will  
operate successfully as long as the cables are  
attached properly and the technical specifications  
are followed.  
DIP-SWITCH  
OFF  
ON  
7.4 SYNC ON GREEN OUTPUT SWITCH  
Serration  
X
X
X
HV Output  
Sync on Green  
Termination  
ID Bit  
In some systems the ability of the VA6835FC to  
output sync on green can be a very helpful  
feature.  
X
X
X
The VA6835FC separates the sync signal from  
the green if the input is RGsB. So the output can  
be either RGBS or RGBHV. The “Sync on Green”  
dip-switch should be in the OFF position if the  
desired output is RGBS or RGBHV for any type of  
input. This dip-switch should be ON if the desired  
output is RGsB.  
Not Used  
Table 7. Dip switch default settings  
7.1 SERRATION PULSE SWITCH  
Certain monitors and projectors will exhibit better  
stability when the serration pulse switch is “ON”.  
This switch is seldom used and in most  
circumstances should be turned “OFF”.  
7.5 TERMINATION SWITCH  
When the built-in termination switch is set to the  
ON position, the input of the interface will be  
terminated. As a rule, the termination switch  
should be in the ON position. This switch does not  
affect the termination of any output signal. The  
termination switch should be left in the OFF  
position if a “Y” cable is used at the local monitor  
output connector.  
7.2 HV OUT SWITCH  
When the composite sync channel is used and  
RGBS format is desired from the VA6835FC, the  
HV OUT switch should be turned off. When this  
switch is turned on, the composite sync channel  
will output horizontal sync, but not vertical sync.  
As an alternative to connecting cables to separate  
horizontal and vertical channels, one can connect  
horizontal sync to the composite sync and vertical  
sync signal to the vertical connector, using the HV  
OUT dip-switch in the ON position.  
7.3 I.D. BIT SWITCH  
Many computers use ID Bits or “Sense Pins” to  
recognize the connection of a monitor to its video  
output port. Often, these ID Bits will even allow the  
computer to recognize what type of monitor is  
connected (in terms of its scan rate  
compatibility). When the I.D. Bit switch is in the  
ON position, the VA6835FC allows the main ID Bit  
(pin 4 on the input connector) to be connected to  
the ground signal.  
9
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INTERFACES  
100 ft, 5 BNC to 5 BNC coaxial  
cable  
150 ft, 5 BNC to 5 BNC coaxial  
cable  
ACCESSORIES  
Model No.  
8
CB42100MR  
CB42150MR  
Description  
RACK MOUNT ACCESSORIES  
DA1293SX  
DA1294SX  
Rack/Wall Shelf fits two VA6835FC  
units side by side  
Rack/Wall mount ears for single  
VA6835FC  
TABLE MOUNT BRACKETS  
1U High, ½ Rack-Wide  
1U High, ½ Rack-Wide with 15-pin  
HD connector plate  
1U High, ½ Rack-Wide with snap-in  
connectors  
1U High, ½ Rack-Wide with snap-in  
& POWER connectors  
6 ft, 5 BNC to 5 BNC coaxial  
12 ft, 5 BNC to 5 BNC coaxial  
25 ft, 5 BNC to 5 BNC coaxial  
75 ft, 5 BNC to 5 BNC coaxial  
100 ft, 5 BNC to 5 BNC coaxial  
150 ft, 5 BNC to 5 BNC coaxial  
3 ft, 5 BNC M to 5 BNC M  
CB4406MR  
CB4412MR  
CB4425MR  
CB4475MR  
CB44100MR  
CB44150MR  
CB5000PL-  
5BM00035BM  
CB5000PL-  
5BM00065BM  
CB5000PL-  
5BM00125BM  
CB5000PL-  
5BM00255BM  
CB5000PL-  
5BM00505BM  
CB5000PL-  
5BM00755BM  
CB5000PL-  
5BM01005BM  
CB5000PL-  
5BM01505BM  
CB5000PL-  
5BM02005BM  
CB5000PL-  
5BM02505BM  
CB5100PL-  
5BM00035BM  
CB5100PL-  
5BM00065BM  
CB5100PL-  
5BM00125BM  
CB5100PL-  
5BM00255BM  
CB5100PL-  
5BM00505BM  
CB5100PL-  
5BM00755BM  
CB5100PL-  
5BM01005BM  
CB5100PL-  
5BM01505BM  
TM1271  
TM1272  
TM1273  
TM1274  
6 ft, 5 BNC M to 5 BNC M  
12 ft, 5 BNC M to 5 BNC M  
25 ft, 5 BNC M to 5 BNC M  
50 ft, 5 BNC M to 5 BNC M  
75 ft, 5 BNC M to 5 BNC M  
100 ft, 5 BNC M to 5 BNC M  
150 ft, 5 BNC M to 5 BNC M  
200 ft, 5 BNC M to 5 BNC M  
250 ft, 5 BNC M to 5 BNC M  
3 ft, 5 BNC M to 5 BNC M  
6 ft, 5 BNC M to 5 BNC M  
12 ft, 5 BNC M to 5 BNC M  
25 ft, 5 BNC M to 5 BNC M  
50 ft, 5 BNC M to 5 BNC M  
75 ft, 5 BNC M to 5 BNC M  
100 ft, 5 BNC M to 5 BNC M  
150 ft, 5 BNC M to 5 BNC M  
INTERFACE CABLES  
MS8121CA  
MS8122CA  
MS8123CA  
MS8124CA  
MS8125CA  
MS8126CA  
MS8129CA  
MAC Output cable for VA6835FC  
MAC Input cable for VA6835FC  
SUN Output cable for VA6835FC  
SUN Input cable for VA6835FC  
VGA Output cable for VA6835FC  
VGA Input cable for VA6835FC  
RGB Output cable for VA6835FC  
4 BNC TO 4 BNC COAXIAL  
CABLE  
3 ft, 4 BNC to 4 BNC coaxial cable  
6 ft, 4 BNC to 4 BNC coaxial cable  
12 ft, 4 BNC to 4 BNC coaxial cable  
25 ft, 4 BNC to 4 BNC coaxial cable  
50 ft, 4 BNC to 4 BNC coaxial cable  
75 ft, 4 BNC to 4 BNC coaxial cable  
100 ft, 4 BNC to 4 BNC coaxial  
cable  
150 ft, 4 BNC to 4 BNC coaxial  
cable  
5 BNC TO 5 BNC COAXIAL  
CABLE  
3 ft, 5 BNC to 5 BNC coaxial cable  
6 ft, 5 BNC to 5 BNC coaxial cable  
12 ft, 5 BNC to 5 BNC coaxial cable  
25 ft, 5 BNC to 5 BNC coaxial cable  
50 feet, 5 BNC to 5 BNC coaxial  
cable  
CB4103MR  
CB4106MR  
CB4112MR  
CB4125MR  
CB4150MR  
CB4175MR  
CB41100MR  
CB41150MR  
CB4203MR  
CB4206MR  
CB4212MR  
CB4225MR  
CB4250MR  
75 feet, 5 BNC to 5 BNC coaxial  
cable  
CB4275MR  
10  
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INTERFACES  
use the  
“HV OUT”  
dip-switch?  
RGBHV format, turn ON the  
“HV OUT” dip-switch. If the  
“HV OUT” dip-switch is OFF,  
the output signal may have  
composite sync present on  
the horizontal sync  
200 ft, 5 BNC M to 5 BNC M  
250 ft, 5 BNC M to 5 BNC M  
CB5100PL-  
5BM02005BM  
CB5100PL-  
5BM02505BM  
All MS81 series cables listed above are 3 ft. long.  
These cables are also available in 6 ft. and 12 ft.  
lengths. Please call 1-714-990-2300 for a wider  
selection of cables.  
connector.  
6
What is a  
Common  
Computer  
Video Card  
pin-out?  
See the following table for  
Common Computer Video  
Card pin-outs that can be  
used with the VA6835FC.  
FAQ (FREQUENTLY ASKED QUESTIONS) 9  
No: Question  
Answer  
1
Why does  
the  
termination  
switch have  
to be “ON”?  
The termination switch  
should be ON if the local  
monitor is connected  
through a straight cable. It  
will be OFF only if a monitor  
breakout cable is used at the  
local monitor output  
PIN  
MAC  
VGA  
SUN  
No.  
A1  
A2  
A3  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
Red  
Green  
Blue  
Red  
Green  
Blue  
N/C  
N/C  
connector.  
Red Gnd  
Red  
C.Sync  
ID Bit 01  
Green  
Green Gnd.  
ID Bit 02  
N/C  
2
When and  
why do I  
need to use  
the  
“Horizontal  
Position”  
The “Horizontal Position”  
Control dial enables or  
disables the control of the  
Horizontal Position of the  
image. First adjust the  
horizontal position using the  
Sense  
Sense Rtn  
C. Sync Sens  
N/C  
ID Bit  
N/C  
Red Rtn.  
Green Rtn.  
Blue Rtn.  
N/C  
N/C  
N/C  
N/C  
N/C  
Control dial? monitor or projector control,  
and then use the horizontal  
position control on the  
Blue  
ID Bit 03  
C/V Gnd.  
V. Sync  
Blue Gnd.  
H. Gnd  
H. Sync  
Gnd  
VA6835FC, if needed.  
If the desired output signal is  
composite sync, turn OFF  
ID Bit  
ID Bit  
H. Sync.  
V. Sync  
N/C  
3
4
What dip-  
switch do I  
set to receive the “HV OUTPUT” dip-switch  
the  
composite  
and connect only 4 wires  
(RGBS) to the red, green,  
sync output? blue, and sync connectors.  
Table 8. Common Computer Video Card pin-outs  
When and  
why would I  
use the  
“Sync on  
Green” dip-  
switch,  
although the  
unit does not  
separate  
The VA6835FC separates  
the sync signal from green if  
the input is RGsB, so the  
output can be either RGBS  
or RGBHV. This dip-switch  
should be OFF if the desired  
output is RGBS or RGBHV  
for any type of input.  
Sync from  
Green?  
5
When do I  
If the desired output is in  
11  
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INTERFACES  
stability or reliability, or that has been subject to  
misuse, negligence or accident.  
TROUBLESHOOTING GUIDE  
10  
1.  
When the correct voltage is applied to the  
Interface, the power LED should be ON.  
11.2 RETURN POLICY  
2.  
The “Termination” dip-switch should be in the  
ON position if a Y cable (breakout) is not  
used on the input.  
It is very important to Altinex that you receive the  
products that you have ordered and that this  
product fulfills your need. In the unlikely event,  
that an Altinex product needs to be returned  
please follow the policies below:  
3.  
4.  
Make sure the cables have the correct pin-  
outs and the connection and quality of the  
cables are good.  
Altinex will accept product returns for a period of  
30 days from authorized Altinex dealers. Products  
must be returned in an unopened package.  
Make sure that the source and display are  
scan-rate compatible. The projector should  
support an appropriate signal format (RGsB,  
RGBS or RGBHV). Connect the projector  
directly to a computer with a shorter cable to  
verify the compatibility of display and source.  
If a product has been opened, the restocking fees  
will apply. For the restocking fee amount, please  
contact an Altinex Sales Representative.  
If the product is in your possession for more than  
30 days, the restocking fees will apply.  
5.  
If you are using output RGBS or RGsB then  
the “HV Output” dip-switch is the OFF  
position and the composite sync signal is  
taken from the sync connector. If the display  
needs an RGBHV signal then the “HV  
Output” dip-switch must be in the ON position  
if the sync and vertical connectors are used.  
Altinex will not accept any returns on cables or  
custom products.  
If your product is in warranty and needs service,  
contact the Altinex Sales Department for an RMA  
(Return Material Authorization). Products returned  
without an RMA number may experience a delay  
in service.  
6.  
If the desired output is RGsB, the sync ON  
GREEN dip-switch should be ON.  
If your product is out of warranty and needs  
service, contact the Altinex Sales Department for  
an RMA (Return Material Authorization). Products  
returned without an RMA number may experience  
a delay in service. The service charges will be  
quoted to you before actual repairs are done.  
ALTINEX POLICY  
11  
11.1 LIMITED WARRANTY  
Altinex warrants that its products and cables are  
free from defects in materials under normal use  
and service. This warranty is limited to repairing at  
company’s factory any part or parts of the product,  
which upon company’s examination shall disclose  
to be, thus defective. Products considered  
defective should be returned to company with  
transportation charges pre-paid within 2 years (90  
days for cables) from date of shipment to the  
purchaser. The warranty is expressly instead of all  
other warranties expressed or implied. Altinex  
neither assumes nor authorizes any other person  
to assume for it any other liability in connection  
with the sale of the products. This warranty shall  
not apply to any product that shall have been  
repaired or altered outside of company’s factory in  
any way so as, in its judgment, to affect its  
11.3 CONTACT INFORMATION  
Sales Department  
Phone:  
714-990-2300  
714-990-3303  
Fax:  
Accounting Department  
Phone:  
Fax:  
714-990-6088  
714-990-5778  
12  
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