Cambridge Audio Stereo Receiver 640Razur User Manual

azur 640R  
AV receiver  
User’s manual  
2
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azur 640R  
Introduction  
Before connecting  
Thank you for purchasing this Cambridge Audio Azur range AV receiver.  
The 640R is designed for excellent multi-channel surround-sound  
performance without compromising on music reproduction.  
The process of setting up the 640R is first to make all the connections  
to your speakers and source equipment and then set the unit up via its  
On-Screen Display (OSD), as there are various settings and adjustments  
that need to be made before the 640R can be used.  
As such, the seven 100W audiophile grade fully discrete amplifiers are  
kept as separate as possible from the processing and input stages and  
feature a large power supply with a low flux toroidal transformer. This  
careful design of the amplifier stages ensure that the 640R can  
reproduce the dynamics and scale required for modern movie  
soundtracks whilst also being able to reproduce a genuinely musical  
performance with either stereo or multi-channel music sources.  
However before you actually decide which connections to make or  
perform any adjustments it is strongly advised that you read through the  
‘640R setup’ section of this manual first, starting on page 14.  
A lot of explanation is included that will help you to choose the right  
connection types for both your sources and TV.  
A full range of digital and analog inputs are fitted. Digital inputs allow for  
the connection of suitably equipped DVD players, satellite/set-top boxes  
and games consoles for decoding into stereo, stereo + sub or various  
digital surround formats. The latest formats are supported including  
Dolby Digital and DTS in 5.1, 6.1 or 7.1 variants. The 640R is also  
capable of decoding encoded analog or digital stereo sources in Dolby  
Pro Logic® II or IIx and DTS Neo:6, again in 5.1, 6.1 or 7.1 variants for a  
convincing and effective surround experience from a matrix encoded  
stereo source. Sophisticated post-processing of 5.1 or 6.1 digital  
material is also possible with PLIIx or DTS Neo:6 to turn these formats  
into 6.1 or 7.1.  
Conventional analog stereo inputs allow the connection of audiophile  
CD players and the like, and an Analog Stereo Direct mode ensures the  
very best possible stereo reproduction for these.  
The 640R also carries a 5.1 / 6.1 / 7.1 channel analog input. This  
feature allows for the connection of a DVD Audio or SACD player  
equipped with a 5.1 output and is compatible with future external  
6.1/7.1 audio formats.  
As well as the full complement of audio inputs, the 640R also performs  
Composite, S-Video and Component Video input switching and  
transcoding. The component video inputs and outputs are progressive  
scan and HDTV compatible and the unit features full On-Screen Display  
(OSD) on all analog video outputs. Transcoding allows composite video  
and/or S-Video to be converted to Component video for a simpler  
interface to the TV/Monitor.  
In addition HDMI switching allows the very latest DVD players and Set-top  
boxes to be routed through the 640R to the TV/Monitor allowing direct  
digital transfer of high definition video for the very best picture quality.  
Multi-Room compatibility is featured in the form of A-BUS  
ReadyTM/Incognito ReadyTM outputs for either Cambridge Audio Incognito  
keypads (and power supply) or other manufacturers products  
compatible with the A-BUS standard. This allows a 2 or 3 zone multi-  
room system to be easily constructed, second and third zone video  
outputs mean the remote rooms can even have video capability.  
An RS232 port, IR Emitter In and Control Bus In/Out also make it easy  
to integrate the 640R into a Custom Install situation.  
All this proprietary engineering is housed within our low resonance,  
acoustically damped chassis. An Azur Navigator remote control is also  
provided, giving full remote control of your AV receiver in an attractive  
and easy to use handset.  
Remember your 640R can only be as good as the system it is connected  
to. Please do not compromise on your source equipment, speaker  
package or video and audio cabling. Naturally we particularly  
recommend DVD/CD players or other source equipment from the  
Cambridge Audio Azur range, which have been designed to the same  
exacting standards as our receivers. Your dealer can also supply  
excellent quality Cambridge Audio interconnects to ensure your system  
realises its full potential.  
Thanks for taking the time to read this manual, we do recommend you  
keep it for future reference.  
Matthew Bramble  
Technical Director  
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Limited warranty  
Safety precautions  
Cambridge Audio warrants this product to be free from defects in  
materials and workmanship (subject to the terms set forth below).  
Cambridge Audio will repair or replace (at Cambridge Audio's option) this  
product or any defective parts in this product. Warranty periods may vary  
from country to country. If in doubt consult your dealer and ensure that  
you retain proof of purchase.  
Checking the Power Supply Rating  
For your own safety please read the following instructions carefully before  
attempting to connect this unit to the mains.  
Check that the rear of your unit indicates the correct supply voltage. If your mains  
supply voltage is different, consult your dealer.  
This unit is designed to operate only on the supply voltage and type that is  
indicated on the rear panel of the unit. Connecting to other power sources may  
damage the unit.  
To obtain warranty service, please contact the Cambridge Audio authorised  
dealer from which you purchased this product. If your dealer is not  
equipped to perform the repair of your Cambridge Audio product, it can be  
returned by your dealer to Cambridge Audio or an authorised Cambridge  
Audio service agent. You will need to ship this product in either its original  
packaging or packaging affording an equal degree of protection.  
This equipment must be switched off when not in use and must not be used unless  
correctly earthed. To reduce the risk of electric shock, do not remove the unit's cover  
(or back). There are no user serviceable parts inside. Refer servicing to qualified  
service personnel. If the power cord is fitted with a moulded mains plug the unit must  
not be used if the plastic fuse carrier is not in place. Should you lose the fuse carrier  
the correct part must be reordered from your Cambridge Audio dealer.  
Proof of purchase in the form of a bill of sale or receipted invoice, which  
is evidence that this product is within the warranty period, must be  
presented to obtain warranty service.  
The lightning flash with the arrowhead symbol within an equilateral triangle  
is intended to alert the user to the presence of un-insulated ‘dangerous  
voltage’ within the product’s enclosure that may be of sufficient  
magnitude to constitute a risk of electric shock to persons.  
This Warranty is invalid if (a) the factory-applied serial number has been  
altered or removed from this product or (b) this product was not  
purchased from a Cambridge Audio authorised dealer. You may call  
Cambridge Audio or your local country Cambridge Audio distributor to  
confirm that you have an unaltered serial number and/or you purchased  
from a Cambridge Audio authorised dealer.  
The exclamation point within an equilateral triangle is intended to alert  
the user to the presence of important operating and maintenance  
instructions in the service literature relevant to this appliance.  
The crossed-out wheeled bin is the European Union symbol for  
indicating separate collection for electrical and electronic  
equipment. This product contains electrical and electronic  
equipment which should be reused, recycled or recovered and  
should not be disposed of with unsorted regular waste. Please  
return the unit or contact the authorised dealer from whom you  
purchased this product for more information.  
This Warranty does not cover cosmetic damage or damage due to acts of  
God, accident, misuse, abuse, negligence, commercial use, or modification  
of, or to any part of, the product. This Warranty does not cover damage due  
to improper operation, maintenance or installation, or attempted repair by  
anyone other than Cambridge Audio or a Cambridge Audio dealer, or  
authorised service agent which is authorised to do Cambridge Audio  
warranty work. Any unauthorised repairs will void this Warranty. This  
Warranty does not cover products sold AS IS or WITH ALL FAULTS.  
Approvals  
This product complies with European Low Voltage (73/23/EEC)  
and Electromagnetic Compatibility (89/336/EEC) Directives  
when used and installed according to this instruction manual.  
For continued compliance only Cambridge Audio accessories  
should be used with this product and servicing must be referred  
to qualified service personnel.  
REPAIRS OR REPLACEMENTS AS PROVIDED UNDER THIS WARRANTY ARE  
THE EXCLUSIVE REMEDY OF THE CONSUMER. CAMBRIDGE AUDIO SHALL  
NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR  
BREACH OF ANY EXPRESS OR IMPLIED WARRANTY IN THIS PRODUCT.  
EXCEPT TO THE EXTENT PROHIBITED BY LAW, THIS WARRANTY IS EXCLUSIVE  
AND IN LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES  
WHATSOEVER INCLUDING, BUT NOT LIMITED TO, THE WARRANTY OF  
MERCHANTABILITY AND FITNESS FOR A PRACTICAL PURPOSE.  
NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV  
INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS  
EQUIPMENT. SUCH MODIFICATIONS COULD VOID THE USER AUTHORITY TO  
OPERATE THE EQUIPMENT.  
Some countries and US states do not allow the exclusion or limitation of  
incidental or consequential damages or implied warranties so the above  
exclusions may not apply to you. This Warranty gives you specific legal  
rights, and you may have other statutory rights, which vary from state to  
state or country to country.  
This equipment has been tested and found to comply with the limits for a Class B  
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to  
provide reasonable protection against harmful interference in  
a
residential  
installation. This equipment generates, uses and can radiate radio frequency  
energy and, if not installed and used in accordance with the instructions, may  
cause harmful interference to radio communications. However, there is no  
guarantee that interference will not occur in a particular installation.  
Plug Fitting Instructions (UK Only)  
If this equipment does cause harmful interference to radio or television reception,  
which can be determined by turning the equipment off and on, the user is  
encouraged to try to correct the interference by one or more of the following  
measures:  
The cord supplied with this appliance is factory fitted with a UK mains plug fitted  
with a 5 amp fuse inside. If it is necessary to change the fuse, it is important that  
a 5 amp one is used. If the plug needs to be changed because it is not suitable for  
your socket, or becomes damaged, it should be cut off and an appropriate plug  
fitted following the wiring instructions below. The plug must then be disposed of  
safely, as insertion into a mains socket is likely to cause an electrical hazard.  
Should it be necessary to fit a 3-pin BS mains plug to the power cord the wires  
should be fitted as shown in this diagram. The colours of the wires in the mains  
lead of this appliance may not correspond with the coloured markings identifying  
the terminals in your plug. Connect them as follows:  
- Re-orient or relocate the receiving antenna.  
- Increase the separation between the equipment and receiver.  
- Connect the equipment into an outlet on a circuit different from that to which the  
receiver is connected.  
- Consult the dealer or an experienced radio/TV technician for help.  
The wire which is coloured BLUE must be  
connected to the terminal which is marked  
with the letter ‘N’ or coloured BLACK.  
The wire which is coloured BROWN must be  
connected to the terminal which is marked  
with the letter ‘Lor coloured RED.  
The wire which is coloured GREEN/YELLOW  
must be connected to the terminal which is  
marked with the letter ‘E’ or coloured GREEN.  
If your model does not have an earth wire,  
then disregard this instruction.  
If a standard 13 amp (BS 1363) plug is used, a 5 amp fuse must be fitted, or if any  
other type of plug is used a 5 amp fuse must be fitted, either in the plug or adaptor,  
or on the distribution board.  
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azur 640R  
Important safety instructions  
Please take a moment to read these notes before installing your 640R,  
as they will enable you to get the best performance and prolong the life  
of the unit. We advise you follow all instructions, heed all warnings and  
keep the instructions for future reference.  
Overloading  
Do not overload wall outlets or extension cord as this can result in a risk  
of fire or electric shock. Overloaded AC outlets, extension cords, frayed  
power cords, damaged or cracked wire insulation, and broken plugs are  
dangerous. They may result in a shock or fire hazard.  
Ventilation  
IMPORTANT - The unit will become hot when in use.  
Lightning  
For added protection during a thunderstorm, or when it is left  
unattended and unused for long period of time, unplug the unit from the  
wall outlet and disconnect the antenna or cable system. This will prevent  
damage to the unit from lightning and power-line surges.  
Please ensure there is ample ventilation (at least 10cm clearance all  
round). Do not put any objects on top of this unit. Do not situate it on a  
rug or other soft surface and do not obstruct any air inlets or outlet  
grilles. Do not install near any heat sources such as radiators, heat  
registers, stoves, or other apparatus (including amplifiers) that produce  
heat. Do not stack multiple units on top of each other. Do not place in  
an enclosed area such as a bookcase or in a cabinet without sufficient  
ventilation.  
Outdoor antenna grounding  
If an outside antenna or cable system is connected to the product, be  
sure the antenna or cable system is grounded so as to provide some  
protection against voltage surges and built-up static charges. Section  
810 of the National Electrical Code, ANSI/NIPA No. 70-1984 (section 54  
of Canadian Electrical Code, Part 1) provides information with respect to  
proper grounding of the mast and supporting structure, grounding of the  
lead-in wire to an antenna-discharge unit, size of grounding conductors,  
location of antenna-discharge unit, connection to grounding electrodes,  
and requirements for the grounding electrode.  
Do not obstruct the rear heat tunnel ventilation grille. Ensure that small  
objects do not fall through any ventilation grille. If this happens, switch  
off immediately, disconnect from the mains supply and contact your  
dealer for advice.  
Positioning  
Choose the installation location carefully. Avoid placing it in direct  
sunlight or close to a source of heat. Also avoid locations subject to  
vibration and excessive dust, cold or moisture. Do not place the unit on  
an unstable surface or shelf. The unit may fall, causing serious injury to  
a child or adult as well as serious damage to the product. Do not place  
a CD player or other equipment on top of the unit.  
Cleaning  
To clean the unit, wipe its case with a dry, lint-free cloth. Do not use any  
cleaning fluids containing alcohol, ammonia or abrasives. Do not spray  
an aerosol at or near the amplifier.  
This unit must be installed on a sturdy, level surface. Do not  
place in a sealed area such as a bookcase or in a cabinet. Any  
space open at the back (such as a dedicated equipment rack)  
is fine however. When a cart is used, use caution when moving  
the cart to avoid injury from tip-over.  
Attachments  
Do not use attachments not recommended by your dealer as they may  
cause harm to the unit. Only use the specified attachments/accessories  
with this unit.  
WARNING - To reduce the risk of fire or electric shock, do not expose this  
unit to rain or moisture. This unit must not be used near water or  
exposed to dripping or splashing water or other liquids. No objects filled  
with liquid, such as vases, shall be placed on the unit. In the event,  
switch off immediately, disconnect from the mains supply and contact  
your dealer for advice.  
Servicing  
These units are not user serviceable, never attempt to repair,  
disassemble or reconstruct the unit if there seems to be a problem. A  
serious electric shock could result if this precautionary measure is  
ignored. In the event of a problem or failure, please contact your dealer.  
Contact the service department should any of these conditions occur:  
- When the power-supply cord or plug is damaged.  
Electronic audio components have a running in period of around a week  
(if used several hours per day). This will allow the new components to  
settle down, the sonic properties will improve over this time.  
- If liquid has been spilled, or objects have fallen into the amp.  
- If the unit has been exposed to rain or water.  
Grounding and polarisation  
Do not defeat the safety purpose of the polarized or grounding type plug.  
A polarized plug has two blades with one wider than the other. A  
grounding type plug has two blades and a third grounding prong. The  
wide blade or third prong are provided for your safety. If the provided  
plug does not fit your outlet, consult an electrician for replacement of  
the obsolete outlet.  
- If the unit does not operate normally after following the operation  
instructions, adjust only those controls that are covered by the  
operation instructions.  
- If the unit has been dropped or damaged in any way.  
- When the unit exhibits a distinct negative change in performance.  
Power sources  
IMPORTANT  
The unit should be operated only from the type of power source  
indicated on the marking label. If you are not sure of the type of power-  
supply to your home, consult your product dealer or local Power  
Company.  
If the unit is run at a very high level, a sensor will detect a temperature  
rise and show "PROTECTION OVERLOAD" on the display. The unit will  
then go into Standby mode. It cannot be switched on again until the  
temperature has fallen to a more normal level.  
This unit has been designed to be left in Standby mode when not in use,  
this will increase the life of the amplifier (this is true with all electronic  
equipment). To turn the unit off completely switch off on the rear panel.  
If you do not intend to use this unit for a long period of time, unplug it  
from the mains socket.  
Power cord protection  
The unit must be installed in a manner that makes disconnection of the  
mains plug from the mains socket outlet (or appliance connector from the  
rear of the unit) possible. Where the mains plug is used as the disconnect  
device, the disconnect device shall remain readily operable. Protect the  
power cord from being walked on or pinched particularly at plugs,  
convenience receptacles, and the point where they exit from the unit.  
Be sure to insert each power cord securely. To prevent hum and noise, do  
not bundle the interconnect leads with the power cord or speaker leads.  
5
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Front panel controls  
azur 640R  
Volume  
AV Receiver  
6
21  
20  
Stereo Direct  
7
DVD  
8
Video 1  
9
Video 2  
10  
Recorder 1  
11  
Aux  
12  
CD  
13  
Recorder 2  
14  
7.1 Direct  
5
Analog  
Mute  
Tuner FM/AM  
22  
Video 3  
L
Audio  
R
Video  
S-Video Optical  
Standby/On  
Phones  
Tuning  
+
Mode/Store  
Digital Processing Options  
Audio  
Input Type  
Stereo  
Modes  
Pro Logic/Neo/ Dolby Digital/  
Video  
Input Type  
DSP Surround DTS Surround  
23  
Modes  
Modes  
24  
1
3
4
2
15  
16  
17  
18  
19  
1 Standby/On  
14 7.1 Direct  
Switches the unit between Standby mode (indicated by dim power LED)  
and On (indicated by bright power LED). Standby is a low power mode.  
The unit should be left in Standby mode when not in use.  
Press to select a 7.1, 6.1 or 5.1 source (DVD-A or SACD player etc)  
connected to the 7.1 Direct In sockets.  
Note: The 640R remembers the audio and video input type and  
processing mode for each individual source input. These are recalled  
each time a source is selected.  
2
Phones  
Allows for the connection of stereo headphones with a 6.35mm/¼" Jack  
plug. Headphones with an impedance of between 32 and 600 ohms are  
recommended. Note: Plugging in headphones will automatically mute  
the main and pre-amp outputs and select a 2-channel stereo down-mix  
to be created for headphone use.  
15  
Audio input type  
Press this button to toggle between analog or digital (optical/coaxial)  
input types for the currently selected source input.  
16  
Stereo modes  
3
Tuning +/-  
Press to listen to a source in either digitally processed stereo or stereo  
and sub modes.  
Used to tune FM frequencies and skip presets in Tuner mode.  
4
Mode/Store  
17  
Pro Logic/Neo/DSP surround modes  
Press to cycle between Tuner modes and for storing presets (refer to the  
‘Operating Instructions’ of this manual for more information).  
Press to select between various Pro Logic II/IIx, DTS Neo:6 effects for  
matrix encoded analog or digital material or for post-processing DD/DTS  
material (Note: The 640R is unable to auto-detect this kind of source  
material as it does not include embedded encoding type flags so  
manual selection is required). Also selects various DSP created  
surround sound modes for uncoded stereo sources.  
Tuner FM/AM  
5
Press to select the tuner for output through the 640R. Once in Tuner  
mode also use this button to switch between FM and AM modes.  
Display  
6
18 Dolby Digital/DTS surround modes  
Displays the status of the unit. Also receives IR commands from the  
supplied Azur remote control. A clear unobstructed line of sight between  
the remote control and the sensor is required.  
Press to select Dolby Digital or DTS surround modes (with suitably  
encoded digital source material). These modes can only be decoded  
from digital audio sources (via Coaxial or Optical inputs).  
7
DVD  
19  
Video input type  
Press to select the source equipment connected to the DVD input.  
Press to select the video input type (Composite, S-Video or Component  
Video) you wish to use for the current source input.  
8
Video 1  
20  
Analog stereo direct  
Press to select the source equipment connected to the Video 1 input.  
Press to listen directly to the analog inputs for the current source with no  
analog to digital or DSP processing for highest possible stereo sound quality.  
9
Video 2  
Press to select the source equipment connected to the Video 2 input.  
21  
Volume  
Use to increase/decrease the level of the sound from the outputs of the 640R.  
10 Recorder 1  
Press to select the recording device connected to the Recorder 1 input.  
22  
Mute  
Press to mute the sound from the main and pre-amp outputs of the  
640R. Press again to cancel mute.  
11 Aux  
Press to select the source equipment connected to the Aux input.  
23  
Video 3 source button  
12  
CD  
Press to select a video camera recorder/video games console  
connected to the Video 3 input sockets.  
Press to select the source equipment connected to the CD input.  
13  
Recorder 2  
24  
Video 3 input sockets  
Press to select the recording device connected to the Recorder 2 input.  
Connect a video camera recorder/video games console to the 640R.  
Audio/Video and digital optical inputs are provided.  
36  
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azur 640R  
Rear panel connections  
8
9
10  
In  
In  
In  
Out  
In  
Out  
In  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video 1 Recorder 1  
7.1 Direct In  
R
7.1 Preamp Out  
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
Y
Y
L
SL  
C
L
R
C
Update  
Normal  
L
1
2
Manufactured in an  
Designed in London, England  
ISO9002 approved facility  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SR  
SW  
SL  
SR  
SW  
6
6
This device complies with  
part 15 of FCC rules  
R
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
16  
Video 2  
Keypad 1  
Multi-Room  
PSU 24V DC In  
Keypad 2  
Use  
In  
In  
13  
approved  
Power AC  
PSU only  
11  
12  
Emitter  
5
7
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Out  
Speaker Impedance 4-8 Ohms  
3
AM 300  
Rec 2  
In  
CD  
In  
15  
L
L
Surround  
Back Left/  
Surround  
Surround  
Right  
Surround  
Left  
Front  
Right  
Front  
Left  
Centre  
Back Right  
14  
Surround Back  
FM 75Ω  
R
R
4
HDMI  
Caution Risk of electric shock. Do not open. Do not obstruct ventilation.  
Avis Risque de choc electrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
Serial No. label fitted on underside  
Tuner  
Video 1  
Video 2  
Recorder 1  
DVD  
Rec 2  
Aux  
7.1  
6.1  
5.1  
1
11  
Update/Normal  
A-BUS™ Ready/Incognito Ready™ multi-room outputs  
For dealer use only - Switches the 640R between normal (default) mode  
and software update mode. Do not change the mode to update or make  
connections to it in update mode as damage may result!  
PSU In - Connect an Incognito PS5 to supply power to the connected  
multi-room keypads/speakers.  
Keypad 1/2 - Connect one or two Incognito A-BUS KP10 keypads (or  
other A-BUS compatible keypads) or AS10 Active Ceiling Speakers using  
CAT5/5e cable, allowing 2nd/3rd zone multi-room capability.  
2
RS232C  
Used for control of the 640R in Custom Install situations. A full protocol  
is available for the 640R on our website.  
IR - Three IR emitter outputs for remote control of source equipment.  
Video Out 1/2 - Provides video feeds to the 2nd/3rd zone.  
3
FM/AM antenna  
Please refer to the ‘Multi-Room’ section of this manual for more  
information on connections and set-up.  
All tuner antenna connections are made here. Refer to the ‘Antenna  
Connections’ section of this manual for more information.  
12  
Emitter In  
4
HDMI  
Allows modulated IR commands from multi-room systems or IR repeater  
systems to be received by the 640R. Commands received here are not  
looped out of the Control Bus. Refer to the ‘Custom Installation’ section  
for more information.  
Inputs and output to a suitable TV/Monitor. The HDMI inputs can be  
assigned in the OSD to the DVD, Video 1, Video 2 or Rec 1 sources, see  
later section.  
5
Video 1/2, Recorder 1/2, DVD, Aux  
13  
Control Bus  
Please refer to the connection diagrams later in this manual for more  
information on these inputs and outputs.  
In - Allows un-modulated commands from multi-rooms systems or other  
components to be received by the unit.  
Out - Loop out for control bus commands to another unit.  
6
TV/Mon outputs  
S-Video - Connect to your television via S-Video cable.  
14  
Speaker terminals  
Composite - Connect to your television via 75 ohm RCA phono cable.  
Connect to loudspeakers with an impedance of between 4-8 ohms. 7.1,  
6.1, 5.1 or less connections can be made.  
Component - Connect to the Cr/Pr, Cb/Pb, & Y terminals of a television  
set.  
15  
Mains power lead  
Normally only one type of connection will be used. These outputs are  
also used to view the 640R’s On-Screen Display setup menus.  
Once you have completed all connections, plug the AC power lead into  
an appropriate mains socket. The AV receiver is now ready for use.  
7
Heat tunnel vent grille  
16  
Power On/Off  
Allows cooling of internal circuitry. DO NOT OBSTRUCT!  
Switches the unit on and off.  
8
Component Video inputs (DVD, Video 1/2, Recorder 1)  
Connect the Component Video outputs from the source equipment.  
Note: The preferred connection method for video inputs or outputs is  
always Component Video then S-Video then Composite Video then  
HDMI. HDMI and Component Video sources often also support  
Progressive Scan which gives better picture quality if supported by both  
your DVD player and TV.  
9
7.1 Direct In  
Connect to the output terminals of a DVD-A, SACD player or other  
5.1/6.1/7.1 analog source.  
10  
7.1 Preamp Out  
Connect to the 5.1/6.1/7.1 channel input terminals of another amplifier  
system, separate power amps, subwoofer or active loudspeakers.  
7
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Remote control  
The 640R is supplied with an Azur Navigator remote  
control. Insert the supplied AAA batteries to use. For full  
details of the various adjustment functions available from  
the remote, refer to the later sections of this manual.  
Tune / Left & Right  
Press the right arrow to increase tuner frequency/change  
preset. Press the left arrow to decrease tuner  
frequency/change preset. Also used to scroll left/right in  
the OSD setup menus.  
Standby/On  
Switches the unit between Standby mode and On.  
Enter  
Used in the OSD setup menus.  
Analog Direct  
Directly selects a stereo analog input for the current  
source with no A/D conversion or DSP processing.  
On-Screen Display (OSD)  
Press to turn on and off the on-screen set-up menus when  
connected to a monitor/screen via Composite, S-video or  
Component connections.  
Stereo Modes  
Selects Stereo or Stereo + Sub modes for Analog or Digital  
sources (digitally processed).  
Bass/Treble  
Analog  
Direct  
Stereo  
Modes  
PL IIx  
Neo/DSP  
Press for bass/treble adjustment, using the Volume  
up/down buttons. Note: Bass/Treble is disabled in analog  
stereo direct and 7.1 direct modes.  
PLIIx/Neo/DSP  
Selects from various matrix encoded surround processing  
modes for analog or digital sources (digitally processed).  
DD EX  
Sub  
Dynamic  
APS  
DTS ES  
On/Off  
7.1 Direct  
Selects the 5.1/6.1/7.1 direct input.  
PTY  
Display  
Mode  
DD EX/DTS ES  
Selects digital surround processing modes for Digital  
sources only.  
Audio In Type  
Stereo  
Mono  
Store  
Switches the 640R between analog and digital inputs for  
the currently selected source.  
Dynamic  
Press repeatedly to reach the desired dynamic  
compression range (Dolby Digital or DTS modes only).  
Video In Type  
Selects Composite video, S-Video or Component video as  
the analog video input type for the current source  
(Additionally HDMI can also be assigned in the OSD  
menu).  
Sub On/Off  
Press to turn on/off the output of the subwoofer. Also,  
hold down and then press the volume up and down  
buttons to adjust the overall sub level if desired.  
Vol  
Enter  
Vol  
Tuner AM/FM, DVD, Video 1, Video 2, Rec 1,  
Aux, CD, Rec 2  
PTY (Program Type Search)  
Press to search by program type when in Tuner mode.  
Refer to the ‘Operating instructions’ section of this  
manual for more information.  
Press the corresponding button to change the input  
source. Pressing the Tuner AM/FM button a second time  
toggles between AM and FM modes.  
Bass  
Treble  
7.1  
Direct  
APS (Auto Program Search)  
Hold down for 4 seconds to allocate and memorise radio  
stations automatically.  
The above button descriptions are naturally brief. Please  
refer to the ‘Operating Instructions’ section of this  
manual for more information on the relevant functions  
implemented.  
Audio In  
Type  
Video In  
Type  
Display  
Tuner  
AM/FM  
DVD  
Video 1  
Aux  
Press to view the current source material and decoding  
mode. When listening to FM with RDS, press to cycle  
round various RDS information modes.  
Video 2  
CD  
Rec 1  
Stereo Mono  
Rec 2  
When listening to FM, press to alternate between stereo  
and mono modes.  
Store  
Press to store the current frequency when in Tuner mode.  
Mode  
Press to select Auto/Manual or Preset tuning when in  
Tuner mode.  
Mute  
Mutes the audio on the AV Receiver. Press again to cancel  
mute.  
Volume  
Increase or decrease the volume of the AV receiver  
output. Also used as up/down in the OSD setup menus.  
8
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azur 640R  
Front panel display  
Loudspeaker connections  
To avoid damaging the speakers with a sudden high-level signal, be sure  
to switch the power off before connecting the speakers. Check the  
impedance of your speakers. Speakers with an impedance of between  
4 and 8 ohms (each) are recommended.  
1
2
3
4
7
5
8
The coloured speaker terminals are positive (+) and the black speaker  
terminals are negative (-). Make sure correct polarity is maintained at  
each speaker connector or the sound can become weak and “phasey”  
with little bass.  
6
9
1 Tuner mode indicators  
Shows Memory/Store active, Stereo mode active, AutoScan active and  
RDS On.  
Prepare the speaker cords for connection by stripping off approximately  
10mm (3/8”) or less (no more than 10mm, as this could cause a short-  
circuit) of the outer insulation. Twist the wire tightly together so there are  
no loose ends. Unscrew the speaker terminal knob, insert the speaker  
cable, tighten the knob and secure the cable.  
2
Tone control indicator  
Lights when Bass and Treble controls are active.  
3
Direct indicator  
Lights when the 640R is in a Direct mode - Analog Stereo Direct or 7.1  
Direct.  
4
Frequency type  
Indicates the tuned frequency in AM or FM Tuner mode.  
5
Decoding mode indicators  
Note: All connections are made via loudspeaker cable, except if using an  
active subwoofer which would be connected via a standard RCA phono  
cable. Banana Plugs (4mm standard) connected to the speaker cable  
are recommended for direct insertion into the speaker terminals.  
Shows the current decoding mode, Dolby Digital, Dolby Digital EX etc. In  
conjunction with the Output Channel indicators these give full details of  
the current processing mode.  
Please refer to the ‘Speaker Configuration’ section of this manual for  
more information on 5.1, 6.1 and 7.1 speaker setups.  
6
Main information display  
Shows the current source selected, also the surround mode and station  
name/frequency when in tuner mode etc.  
7
Balance indicator  
Lights when the Front Left and Right speaker outputs have been set to  
different levels in the OSD, i.e. a balance adjustment has been made.  
Powered subwoofer  
Centre speaker  
8
Digital/Analog indicators  
Indicates the current source input type - digital or analog.  
9
Output channel indicators  
Phono/RCA cable  
Shows the currently active channels depending on decoding mode and  
source material. Icons lit indicate active channels in the source material.  
Icons with a box around them indicate actual channels being output  
separately.  
TV/Mon Out  
Y
DVD  
Y
Video  
Y
1
Recorder 1  
Y
7.1 Direct In  
R
7.1 Preamp Out  
R
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
V Receiver  
L
SL  
C
L
C
Manufactured in an  
Designed in London, England  
ISO9002 approved facility  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SR  
SW  
SL  
SR  
SW  
w.cambridge-audio.com  
This device complies with  
CC rules  
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
Display examples  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
1
Keypad  
2
Use  
In  
In  
- Indicates a 5.1 Dolby Digital source being  
played back as 5.0 (Sub off). LFE indicates a  
low frequency effects channel is present in  
the source material. When this icon isn’t  
boxed it indicates the LFE channel is not  
being reproduced separately.  
approved  
Power AC  
PSU only  
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Out  
Emitter  
Speaker Impedance 4-8 Ohms  
Surround  
Back Left/  
Surround  
Surround  
Right  
Surround  
Left  
Front  
Right  
Front  
Left  
Centre  
Back Right  
Surround Back  
tric shock. Do not open. Do not obstruct ventilation.  
ectrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
Serial No. label fitted on underside  
7.1  
6.1  
5.1  
- Indicates a 7.1 playback of DTS ES material.  
- Indicates a 2.1 output created in the digital  
domain from analog input material.  
Surround back  
speakers  
Surround  
speakers  
Front  
speakers  
9
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Analog audio connections  
Note: Do not plug in the mains power lead or turn the unit on until all  
connections have been made.  
Connect to source equipment using stereo phono cables (stereo 2RCA-  
2RCA). Tape/MD/CDR recorder/players require two sets of stereo  
phono/RCA cables, one for recording, one for listening.  
Video player  
Out  
Out  
CD player  
Phono cable (2RCA-2RCA)  
In  
In  
In  
Out  
In  
Out  
In  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video  
Y
1
Recorder 1  
Y
7.1 Direct In  
R
7.1 Preamp Out  
R
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
L
C
L
SL  
C
Update  
Normal  
L
Manufactured in an  
ISO9002 approved facility  
Designed in London, England  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SL  
SR  
SW  
SR  
SW  
This device complies with  
part 15 of FCC rules  
R
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
1
Keypad  
2
Use  
In  
In  
approved  
PSU only  
Power AC  
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Out  
Emitter  
Speaker Impedance 4-8 Ohms  
AM 300  
Rec  
In  
2
CD  
In  
Surround  
Back Left/  
Surround  
Surround  
Right  
Surround  
Left  
Front  
Right  
Front  
Left  
Centre  
Back Right  
Surround Back  
FM 75Ω  
Caution Risk of electric shock. Do not open. Do not obstruct ventilation.  
Avis Risque de choc electrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
Serial No. label fitted on underside  
Tuner  
HDMI  
Video  
1
Video  
2
Recorder  
1
DVD  
Rec  
2
Aux  
7.1  
6.1  
5.1  
Audio player/recorder  
(Tape/MD/CD-R)  
FM/AM tuner  
Phono cable (2RCA-2RCA)  
In  
Out  
Out  
Digital audio connections  
Two types of digital audio connections can be made to the 640R:  
Either type can be used for a source as the 640R automatically uses the  
active one.  
1. Optical (Toslink)  
2. Coaxial (SPDIF)  
Note: Only one connection type should be used per source.  
DVD player  
Out  
Out  
CD player  
OR  
1
OR  
2
7.1 Direct In  
R
1
2
In  
In  
In  
Out  
In  
Out  
In  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video  
Y
1
Recorder 1  
Y
7.1 Preamp Out  
R
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
L
C
L
SL  
C
Update  
Normal  
L
Manufactured in an  
ISO9002 approved facility  
Designed in London, England  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SL  
SR  
SW  
SR  
SW  
This device complies with  
part 15 of FCC rules  
R
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
1
Keypad  
2
Use  
In  
In  
approved  
PSU only  
Power AC  
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Out  
Emitter  
Speaker Impedance 4-8 Ohms  
AM 300Ω  
Rec  
In  
2
CD  
In  
L
L
Surround  
Back Left/  
Surround  
Surround  
Right  
Surround  
Left  
Front  
Right  
Front  
Left  
Centre  
Back Right  
Surround Back  
FM 75Ω  
R
R
Caution Risk of electric shock. Do not open. Do not obstruct ventilation.  
Avis Risque de choc electrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
Serial No. label fitted on underside  
Tuner  
HDMI  
Video  
1
Video  
2
Recorder  
1
DVD  
Rec  
2
Aux  
7.1  
6.1  
5.1  
Audio player/recorder  
(Tape/MD/CD-R)  
2
1
2
1
OR  
OR  
Out  
In  
10  
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azur 640R  
Video connections  
Three types of video connections can be made to the 640R:  
3. Component - connect with 75 ohm Component video cables (3RCA-  
3RCA).  
1. Composite - connect with single 75 ohm video phono cable (RCA-  
RCA).  
For best picture quality we recommend making Component video  
connections, then in declining order of quality, S-Video connections and  
then Composite video connections.  
2. S-Video - connect with S-Video cable.  
Video player  
DVD player  
OR  
1
OR  
1
2
OR  
2
3
In  
In  
In  
Out  
In  
Out  
In  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video  
1
Recorder 1  
Y
7.1 Direct In  
7.1 Preamp Out  
R
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
Y
L
R
C
L
SL  
C
Update  
Normal  
Manufactured in an  
ISO9002 approved facility  
Designed in London, England  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SL  
SR  
SW  
SR  
SW  
This device complies with  
part 15 of FCC rules  
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
1
Keypad  
2
Use  
In  
In  
approved  
PSU only  
Power AC  
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Out  
Emitter  
Speaker Impedance 4-8 Ohms  
AM 300Ω  
Rec  
In  
2
CD  
In  
L
L
Surround  
Back Left/  
Surround  
Surround  
Right  
Surround  
Left  
Front  
Right  
Front  
Left  
Centre  
Back Right  
Surround Back  
FM 75Ω  
R
R
Caution Risk of electric shock. Do not open. Do not obstruct ventilation.  
Avis Risque de choc electrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
Serial No. label fitted on underside  
Tuner  
HDMI  
Video  
1
Video  
2
Recorder  
1
DVD  
Rec  
2
Aux  
7.1  
6.1  
5.1  
OR  
TV/Monitor  
3
1
2
2
1
Games console  
OR  
OR  
HDMI connections  
HDMI (High-Definition Multi-Media Interface) is a new all digital  
connection that can carry both audio and video in one cable. Direct  
digital transfer of video and support for various types of High Definition  
video content make this the best connection type for picture quality. The  
3 HDMI inputs can be assigned to DVD, Video 1, Video 2 and Recorder  
1 (see the “Assigning HDMI sources” section for more information).  
The sources will also normally supply audio to the TV/Monitor over the  
HDMI connection, this will be separate from the audio that the 640R  
decodes.  
In order for the 640R itself to receive audio (Including surround-sound)  
from HDMI (or DVI) sources a Co-axial (SPDIF) or Optical (Toslink) digital  
audio connection must be made from each source to the 640R.  
The 640R routes the HDMI outputs of DVD players, set-top boxes etc to  
the TV/Monitor without any internal processing. Consult both the source  
and TV's manuals to find out how to set the best modes for best picture  
quality. As the 640R only routes/switches HDMI it is not involved in  
these settings itself.  
DVI switching can be supported simply by using DVI to HDMI adaptors as  
these two connection types are compatible. When using DVI only video  
will be passed to the TV/Monitor. Again a Co-axial (SPDIF) or Optical  
(Toslink) digital audio connection must be made from each source to the  
640R for it to be able to receive audio and decode surround sound etc.  
TV/Monitor with HDMI input  
In  
In  
In  
Out  
In  
Out  
In  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video  
Y
1
Recorder 1  
Y
7.1 Direct In  
R
7.1  
P
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
L
SL  
C
L
Update  
Normal  
L
Designed in London, England  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SR  
SW  
SL  
R
SBL/SB  
SBR  
SBL/SB  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
1
Keypad  
2
Use  
approved  
PSU only  
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Speaker Impedance 4-8 Ohms  
AM 300Ω  
Rec  
In  
2
CD  
In  
L
L
Surround  
Back Left/  
Surround  
Surround  
Right  
Surround  
Left  
Front  
Right  
DVD player with HDMI output  
Centre  
Back Right  
Surround Back  
FM 75Ω  
R
R
Caution Risk of electric shock. Do not open. Do not obstruct ventilation.  
Avis Risque de choc electrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
Tuner  
HDMI  
Video  
1
Video  
2
Recorder  
1
DVD  
Rec  
2
Aux  
7.1  
6.1  
5.1  
HDMI  
cable  
Example: HDMI DVD player assigned to  
DVD input, Set-top box assigned to Video 1  
input.  
Set-top box with HDMI output  
11  
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5.1/6.1/7.1 Direct in  
7.1 Preamp out  
DVD-A or SACD players can be connected to the 640R via its 5.1/6.1/7.1  
Direct inputs allowing multi-channel music playback from these new  
sources.  
To connect external power amplifiers, use Phono/RCA leads connected  
to the 7.1 Preamp Outputs on the rear panel.  
For 5.1/6.1/7.1 use set the ‘Pre Out’ setting in the ‘Output Setup’ OSD  
menu to 'Pre Out' rather than 'Normal'. This mutes all the internal power  
amplifiers as they are not being used.  
DVD-A and SACD both support 5.1 output. The 640R's direct inputs also  
allow optional connection of Surround Back or Surround Left and  
Surround Right signals for compatibility with future 6.1 or 7.1 sources or  
external decoders.  
Power amplifier  
Input/Output Setup Menu  
To select the Direct Input press the 7.1 Direct button on the front panel  
or remote.  
DVD  
In: Digital  
In: Analog  
In: Analog  
In: Analog  
In: Analog  
In: Analog  
Video1  
Video2  
Video3  
Rec.1  
CD  
Note: These connections are pure analog for best sound quality and no  
DSP processing or Bass and Treble adjustment by the 640R is possible.  
Preamp Out : Normal  
DVD-A player or SACD multi-channel player 5.1 connections  
Return To Menu  
: [OSD]  
Phono cables (2RCA-2RCA)  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video  
Y
1
Recorder 1  
Y
7.1 Direct In  
R
7.1 Preamp Out  
R
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
L
C
L
C
Manufactured in an  
Designed in London, England  
ISO9002 approved facility  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SL  
SR  
SW  
SL  
SR  
SW  
This device complies with  
part 15 of FCC rules  
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
1
Keypad  
2
Alternatively the 640R features an External 2-Channel mode. This allows  
the 640R to reproduce all the surround channels of suitable source  
material (Centre, Surrounds and Sub) whilst the Left and Right Front  
speakers are driven by an external power amplifier or other amplifier  
capable of supporting fixed level inputs (e.g. Cambridge Audio’s 740A or  
840A amplifiers).  
Phono cables (2RCA-2RCA)  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video  
Y
1
Recorder 1  
Y
7.1 Direct In  
R
7.1 Preamp Out  
R
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
L
C
L
C
Manufactured in an  
Designed in London, England  
ISO9002 approved facility  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SL  
SR  
SW  
SL  
SR  
SW  
This device complies with  
part 15 of FCC rules  
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
1
Keypad  
2
Use  
In  
In  
approved  
PSU only  
Power AC  
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Out  
Emitter  
Speaker Impedance 4-8 Ohms  
L
C
R
L
Surround  
Back Left/  
Surround  
Surround  
Right  
Surround  
Left  
Front  
Right  
Front  
Left  
Centre  
Back Right  
Surround Back  
R
Caution Risk of electric shock. Do not open. Do not obstruct ventilation.  
Avis Risque de choc electrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
Serial No. label fitted on underside  
7.1  
6.1  
5.1  
Power  
Multi-Room  
1 IR1  
Input  
1
Balanced Audio  
GND  
Amplifier  
(e.g. 840A)  
A
Designed in London, England  
azur 840A Class XDIntegrated Amplifier  
t
L e f  
R i g h t  
+
+
Keypad  
IR3  
International Patent Pending  
LeisureTech Electronics Pty Ltd  
On  
Off  
R i g h
t
L e f IR Emitter  
In  
Control Bus  
In Out  
PSU  
In  
Right  
Left  
Power Rating: 230V AC  
~
50Hz  
_
_
Max Power Consumption: 800W  
A
Manufactured in an ISO9002 approved facility  
Loudspeaker Terminals  
Impedance ohms  
Please ensure that loudspeaker terminals are fully tightened  
Power AC  
Left  
Right  
p u I n t 1  
4
-
8
Keypad  
2
IR2  
IR4  
p u I n t  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
p
O u t P r e a m  
a
T
p e O u t  
a
T
p e I n  
p u I n t  
7
p u I n t  
6
p u I n t  
5
4
p u I n t  
3
p u I n t  
2
B
t
L e f  
+
+
Left  
Caution Risk of electric shock. Do not open.  
Avis Risque de choc electrique. Ne pas ouvrir.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen.  
R i g h
t
L e f  
SBR  
Right  
Left  
R i g h t  
Right  
_
_
B
N1863  
Preamp Out  
Tape Out  
Tape In  
Input  
7
Input  
6
Input  
5
Input  
4
Input  
3
Input  
2
Input 1  
L
R
In  
In  
In  
Out  
In  
Out  
In  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video  
Y
1
Recorder  
1
7
.1 Direct In  
7
.1 Preamp Out  
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
Y
L
R
C
L
R
C
Update  
Normal  
L
Manufactured in an  
ISO9002 approved facility  
Designed in London, England  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SL  
SR  
SW  
SL  
SR  
SW  
This device complies with  
part 15 of FCC rules  
R
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
1
Keypad  
2
Use  
In  
In  
approved  
Power AC  
PSU only  
640R  
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Out  
Emitter  
Speaker Impedance 4-8 Ohms  
AM 300  
Rec  
In  
2
CD  
In  
L
L
Surround  
Back Left/  
Surround  
Surround  
Right  
Surround  
Left  
Front  
Right  
Front  
Left  
Centre  
Back Right  
Surround Back  
FM 75Ω  
R
R
Caution Risk of electric shock. Do not open. Do not obstruct ventilation.  
Avis Risque de choc electrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
Serial No. label fitted on underside  
Tuner  
HDMI  
Video  
1
Video  
2
Recorder  
1
DVD  
Rec  
2
Aux  
7.1  
6.1  
5.1  
SL  
SB  
SR  
Set the ‘Preamp Out’ to ‘Ext 2 Ch’ in the OSD to mute the front left and  
right amplifier outputs only:  
Input/Output Setup Menu  
DVD  
In: Digital  
In: Analog  
In: Analog  
In: Analog  
In: Analog  
In: Analog  
Video1  
Video2  
Video3  
Rec.1  
CD  
Preamp Out : Ext.2 Ch  
Return To Menu  
: [OSD]  
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azur 640R  
Front input connections  
Aerial connections  
The front panel Video 3 input is for temporary connections to video  
games consoles etc. Remove the cap to access the Video 3 inputs, and  
connect to a video game console or video camera’s outputs using stereo  
phono cable (RCA-RCA) and either (1) Composite or (2) S-Video cable,  
depending on what your unit supports (S-Video preferred).  
FM aerial  
Connect an aerial to the FM 75 ohm socket (a simple wire aerial is  
supplied only for temporary use). Extend the lead and move the aerial  
around until you get the best reception. For continued use, we strongly  
recommended using a 75ohm outdoor FM aerial.  
If your games console has an optical digital output this can also be used,  
allowing the 640R to decode surround sound information if the  
console/game supports it.  
AM loop aerial  
Connect each end of the single length antenna to the antenna  
terminals. Place the antenna as far from the main system as possible to  
prevent unwanted noise and to obtain optimum reception. If the AM loop  
aerial provided does not receive sufficient reception, it may be  
necessary to use an outdoor AM aerial.  
azur 640R  
Volume  
AV Receiver  
Ground  
Analog  
Stereo Direct  
VD  
Video  
1
Video  
2
Recorder  
1
Aux  
CD  
Recorder  
2
7.1 Direct  
Mute  
(optional)  
In  
In  
In  
Update  
Normal  
AM external  
aerial  
Video  
3
L
Audio  
R
Video  
S-Video Optical  
Digital Processing Options  
Audio  
Input Type  
Stereo  
Modes  
Pro Logic/Neo/ Dolby Digital/  
DSP Surround DTS Surround  
Video  
Input Type  
Modes  
Modes  
OR  
AM loop  
aerial  
Stereo  
phono  
cable  
(RCA-  
RCA)  
Composite video cable  
S-Video cable  
1
FM aerial  
AM 300  
2
OR  
L
Optical cable (OPT-OPT)  
FM 75Ω  
R
FM external  
aerial  
Tuner  
HDMI  
Video 1  
Video 2  
Recor  
Video games console/  
Video camera outputs  
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640R setup  
The setup of the 640R is a 5 stage process as follows:  
1. Speaker configuration.  
2. Speaker delay  
1
Front Left and Right speakers  
For stereo and multi-channel sound.  
2 Centre speaker  
3. Level calibration  
For dialogue and centre sounds. Ideally position at a similar height to the  
front left and right speakers (above or below the TV/monitor). Using a  
centre speaker from the same manufacturer/range as used for the front  
left and right speakers is advisable. This “timbre matching” allows  
surround effects to flow more naturally from left to right without obvious  
transitions between the speakers.  
4. Source setup (2 settings)  
- Source audio type  
- Source video type  
5. Assigning any HDMI sources  
3
Surround Left and Right speakers  
For ambient and multi-channel sound. Floorstanding speakers should be  
angled towards the listening position. Bookshelf/standmount speakers  
should be wall mounted or used with dedicated speaker stands,  
positioned at or above ear height.  
1. Speaker configuration  
First decide what kind of speaker package you would like to use. The  
options are 5.1, 6.1 or 7.1. The 640R can support up to a 7.1 speaker  
setup which means 7 speakers (Front Left, Front Right, Centre, Surround  
Left, Surround Right, Surround Back Left, Back Right) plus a mains  
powered Subwoofer (the .1).  
4
Subwoofer  
For improving the bass in your system, as well as reproducing dedicated  
LFE cinema effects when playing Dolby Digital or DTS encoded discs.  
Your subwoofer can often be placed almost anywhere in the room as  
bass is less directional, but experimentation with positioning is  
recommended.  
Refer to the diagrams below for typical examples of 5.1, 6.1 and 7.1  
loudspeaker setups. Always adjust the speaker and listening positions  
until you are happy with the sound. Please refer to the loudspeaker and  
subwoofer manuals for more detailed positioning information.  
5
Surround Back Centre speaker  
Sixth channel speaker required for enjoying Dolby® Digital EX or DTS®-ES  
or other 6.1 audio. Improves the quality of sound effects by filling the  
gap between the surround left and rear right speakers. Position the  
speaker firing towards the front of the room.  
1
1
1
1
1
1
2
2
2
6
Surround Back Left and Right speakers  
4
5.1  
Individual back speakers in place of a single surround back. Used with  
the very latest 7.1 processing types. Remember to experiment with the  
positions until you are happy with the sound.  
3
3
In each case the 5.1/6.1/7.1 in fact relates to the maximum number of  
speakers that can be used, as for each the Centre, Sub and Surround  
speakers can all be deleted if required (although of course performance  
is reduced). For example, if you choose not to use a Centre Channel  
speaker you can set this to 'None' in the settings as shown later and the  
640R will automatically redirect the centre channel audio information  
into the Left and Right Front channels, creating what is known as a  
'Phantom Centre'.  
Similarly, you might decide not to use a subwoofer if your main Left and  
Right speakers are capable of reproducing enough bass for a satisfying  
music/movie experience. The 640R will then automatically re-direct the  
bass from the Subwoofer/Low Frequency Effect channel to the Left and  
Right Front Speakers.  
4
6.1  
3
3
Note: This setup is very important as the 640R will also automatically  
use this information to select appropriate Dolby and DTS decoding  
modes dependant not only on the source material but also the speaker  
package it knows you have.  
5
First tell the unit the type of package you have. This is done via the On-  
Screen Display. Highlight the ‘Speaker Configuration’ menu by using  
volume up and down on the remote then go to it by pressing Enter:  
azur 640R V1.0  
Speaker Configuration  
Speaker Delay  
4
7.1  
Vol  
Level Calibration  
Input/Output Setup  
Input Name Assign  
Enter  
HDMI Setup/Assign  
Rec. 2 Output Select  
3
3
Vol  
OSD Setup  
6
6
Tone/Sub/LFE Config.  
Pro Logic Setup  
Quit : [OSD]  
Ver1.5  
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azur 640R  
2. Speaker delay  
Set the package as 5.1, 6.1 or 7.1 by highlighting the Decode Mode item  
and using the Left and Right arrows to scroll through the options:  
Because the speakers in a surround sound system are usually different  
distances from the listener the 640R incorporates the ability to apply a  
variable digital delay to each of the channels so that the sound from  
each arrives at the same time at the listening position for best surround-  
sound effect. Each pair of speakers (i.e. Front Left and Right or Surround  
Left and Right) are subject to the same delay and so must be situated  
equidistant from the listener.  
Speaker Config Menu  
Decode Mode  
Front L/R  
Centre  
Surr. L/R  
Surr. LB/RB  
Subwoofer  
:7.1  
:Large  
:None  
:None  
:None  
:Off  
To set the delay times simply measure the distances from the listening  
position to each speaker as shown in the following diagram:  
[FL/R Must Set Large  
When Sub. Set Off]  
1 = Front Left & Right  
1
1
speakers  
Return To Menu  
: [OSD]  
2
2 = Centre speaker  
Now move down and by highlighting each speaker in turn and using the  
Left and Right arrows select from ‘Large’, ‘Small’ or ‘None’ for each  
speaker. 'Large' or 'Small' are used to describe each speaker in terms of  
bass response, they do not necessarily reflect the actual physical size of  
the speaker.  
3 = Surround Left & Right  
speakers  
4 = Surround Back speaker  
(when used)  
3
3
Large = Speakers with an extended low frequency response of  
approximately 20-40Hz to 16-20kHz (floorstanders or high quality larger  
stand-mounted speakers).  
5 = Surround Back Left &  
Right (when used)  
4
5
5
Small = Speakers with a less extended low frequency response of  
approximately 80-100Hz to 16-20kHz (small stand-mounted, bookshelf  
or satellite speakers).  
Note: No delay setting for the subwoofer is necessary.  
Set the distances in the OSD Speaker Delay menu to the nearest value  
in metres (1 foot = 0.3 metres). The speed of sound is approx 340  
metres per second, the 640R thus introduces approx 3mS of delay per  
metre of distance set.  
Setting each speaker allows the 640R to perform what is called Bass  
Management and to direct low frequency bass from music and the Low  
Frequency Effects channel of surround sound material to those  
speakers best able to reproduce it. If you do not wish to use any of the  
speakers set its setting to ‘None’.  
Go to the ‘Speaker Delay Menu’ and highlight each speaker in turn. Set  
the distance to the nearest value to that which you measured by using  
the Left and Right arrows (the values do not need to be exact):  
The Subwoofer output can also be set to On or Off. If no sub is being  
used make sure this setting is set to Off to allow the 640R to re-direct  
the bass information in this channel to other speakers.  
Speaker Delay Menu  
Note: The 640R will force some speakers to certain settings in some of  
the following circumstances!  
Front L/R  
Centre  
Surr. L/R  
Surr. LB/RB  
: 7.14m  
: 5.44m  
: 4.08m  
: 3.06m  
The Front Left and Right speakers may be ‘Large’ or ‘Small’ but never  
‘None’ as they are always required for any type of music/movie  
reproduction.  
[Unit :Meters]  
Bass must always be reproduced by either the Front Left and Right or  
Subwoofer channel (or both). Setting the Front Left and Right to ‘Small’  
will result in the Subwoofer automatically being set to ‘On’. Setting the  
Subwoofer to ‘Off’ will automatically result in the Front Left and Right  
being set to ‘Large’.  
Return To Menu  
: [OSD]  
Press the OSD button to exit the menu.  
Note: In addition to the delays as set above Dolby Pro Logic II/IIx  
playback also requires an extra 15 milliseconds delay to the surround  
channels only. This extra delay is part of the Dolby Prologic II  
specification and ensures that sound from the surrounds arrives just  
after sound from the front reducing the audibility of sound leakage from  
the front to the surround speakers. Because the relationship between  
the Dolby Digital and Dolby ProLogic IIx two delays is fixed (15mS extra  
to the surround channels), it is only necessary to set the delay by  
measuring the distances as we have described. The 640R will  
automatically provide the appropriate extra delay whenever you switch  
to a Pro Logic Mode.  
If the Front Left and Right cannot reproduce low frequency bass a  
Subwoofer must be used. I.e. If the Front Left and Right are set as  
‘Small’ the Sub must be Set to ‘On’.  
Also, setting the Front Left and Right as ‘Small’ will always set the other  
speakers as ‘Small’ (and the Sub to ‘On’). This is because LFE/ bass  
information should not be redirected to the surround channels.  
To store the setting simply come back out of the OSD (pressing the OSD  
button always moves back one menu item, and then exits and stores  
from the main menu screen).  
15  
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3. Level calibration  
4. Source setup  
The 640R allows level calibration to match the acoustic level between  
different types/sizes or even manufacturers of speaker that may be  
being used for each channel. This is achieved by adjusting the relative  
level of each speaker through the ‘Level Calibration’ menu in the OSD.  
The next step is to select each source input in turn on the 640R and tell  
the unit:  
• The type of audio connection you want to use for that source (Analog  
or Digital input)  
The basic process is to listen to or measure with an SPL meter (more  
accurate and recommended but not essential) the level of sound  
produced by each speaker and set relative levels for each speaker so  
that they all sound the same loudness at the normal listening position.  
The 640R incorporates a Test Signal Generator (broad-band white noise)  
to facilitate this.  
• The type of video connection you want to use for that source  
(Composite, S-Video or Component)*  
• The processing mode for that source  
The 640R remembers these settings individually for every source input  
and automatically recalls them as and when you change source input.  
Set the unit to a normal listening level or half maximum volume  
approximately. Press the OSD button on the remote control then select  
the ‘Level Calibration’ menu. Now turn on the test signal by highlighting  
this item and pressing the Left or Right arrows:  
* Remember if you wish to use HDMI for any sources this is achieved by  
assigning HDMI sources in the OSD in Step 5.  
Level Calibration  
Audio connection type  
Select the ‘Input/Output Setup’ menu. Highlight each source in turn  
select either analog or digital input types (use the Left and Right  
arrows):  
Test Signal  
Front L  
Front R  
Surround L  
Surround R  
Centre  
Subwoofer  
Surr. Back L  
Surr. Back R  
Return To Menu  
: On  
: 0dB  
: 0dB  
: 0dB  
: 0dB  
: 0dB  
: 0dB  
: 0dB  
: 0dB  
: [OSD]  
Input/Output Setup Menu  
DVD  
In: Digital  
In: Analog  
In: Analog  
In: Analog  
In: Analog  
In: Analog  
Video1  
Video2  
Video3  
Rec.1  
CD  
A “rushing” or “hissy” sound should be heard, initially through the Front  
Left Speaker.  
Preamp Out : Normal  
You can now move up and down the channels using Volume Up/Down  
on the remote. Each time a new channel is selected the test signal will  
be heard to move to that channel. Compare the loudness of all channels  
as heard at the listening position.  
Return To Menu  
: [OSD]  
Analog inputs will require a stereo phono/RCA to phono/RCA cable  
connection to the 640R. Digital inputs will require either a 75ohm digital  
type phono/RCA to phono/RCA co-axial cable (SPDIF) or an optical fibre  
cable (TOSLINK). The 640R will automatically use whichever is  
connected. Do not make connections to both the Optical and Co-axial  
inputs for a source.  
Note: The Preamp output item at the bottom of this menu selects  
between Normal mode (the default), Pre Out Mode (when external power  
amps are used) and Ext 2 Ch Mode (where external power amps for front  
left and right only are used). These options are covered later. Make sure  
this setting shows Normal.  
Once you have set the audio types exit the OSD to save.  
This setting can also be changed at any time without using the OSD by  
pressing the Audio Input Type button on the front panel or remote, this  
will then cycle between analog or digital input types for the currently  
selected source, as usual they will then be remembered the next time  
you return to that source.  
Now adjust the channels so they all sound the same (in terms of  
loudness only, channels of different frequency responses can sound  
different in terms of the “tone” of the sound i.e. more or less hissy).  
Pick the channel that sounds most different and select it to listen to the  
test signal. Now adjust the relative level in dB (using Arrow left/right on  
the remote) and continue comparing it to other channels until it is of  
equal loudness. The level can be adjusted up to + or - 10dB in 1dB  
steps. Repeat the process with the next loudest channel etc. Once all  
channels sound the same in terms of loudness, press the OSD button  
again to save the settings and exit the menu.  
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azur 640R  
5. Assigning any HDMI (or DVI) sources  
The 640R has 3 HMDI (High Definition Multi-Media Interface) inputs and  
one HDMI output. HDMI is a fully digital audio/video system that passes  
the picture and audio to the screen in digital format for best possible  
picture quality. DVI (Digital Video Interface) is a subset of HDMI that  
uses different connectors and only passes digital video to the  
TV/Monitor (no audio). The 640R is fully compatible with DVI in that  
simple passive DVI-HDMI adaptors are available which allow the  
conversion of the DVI connector to an HDMI format connector (and back  
again if required) for routing via the 640R. The 640R can switch both  
types of signal.  
Video connection type  
The 640R provides transcoding or conversion between Composite, S-  
Video or Component video formats. This function is very useful in that it  
allows for a single analog connection type to be made to the TV/Monitor  
even if different input video connection types are used for different  
source inputs. As with the video inputs, the best output connection type  
to make to the TV/Monitor is (in declining order of quality) Component,  
then S-Video then Composite.  
When you set the Input Video type the 640R also automatically selects  
a transcoding mode as shown in the table below:  
HDMI/DVI (henceforth referred to as HDMI) outputs on DVD players and  
Set-top boxes also often support higher resolution formats including  
progressive scan types. Consult both your HDMI source and TV manuals  
for details, it is often possible to select from various options, you will  
want to select the highest quality output that both your source and TV  
are compatible with.  
MONITOR/TV OUTPUT TYPE  
Composite  
S-Video  
Component  
Composite  
DIRECT  
Transcoded  
Transcoded  
The 640R performs HDMI switching, not processing, it routes the HDMI  
signals from the source equipment to the TV/Monitor without any  
processing, so as far as the 640R is concerned there is no setup  
involved other than to assign the three inputs to a desired source. The  
640R does not receive audio or video over the HDMI so for surround-  
sound decoding etc. an audio connection must also be made from your  
HDMI source to the 640R. As with other sources this can be analog or  
digital audio. A digital audio SPDIF/Toslink connection is preferred and  
will be required if it is desired to decode surround-sound for the HDMI  
sources.  
Composite  
S-Video  
Component  
S-Video  
Transcoded  
DIRECT  
Transcoded  
Composite  
S-Video  
Component  
Component  
Direct  
Direct  
DIRECT  
Each of the three HDMI inputs can be freely assigned to the DVD,  
Recorder 1, Video 1 or Video 2 inputs in the OSD. Select the ‘HDMI  
Setup/Assign’ menu. Highlight each HDMI input in turn and assign it to  
one of the 4 possible options (with the Left and Right arrows):  
This setting is remembered input by input. It can be seen that whatever  
the input video type, the 640R is able to provide Composite, S-Video and  
Component outputs concurrently. All that is required is to tell the 640R  
which input type you are using.  
HDMI Setup/Assign Menu  
HDMI1  
HDMI2  
HDMI3  
: Rec 1  
: DVD  
: Video2  
This is done be selecting each source (DVD, Video1 etc.) from the front  
panel (OSD off) and then pressing the Video Input Type button. This  
cycles round the three types of analog video connections that can be  
made on the 640R:  
HDMI Out  
: Pre.emph.  
1. Composite Video (CVBS)  
Return To Menu  
: [OSD]  
2. S-Video (S-VHS, Y/C)  
3. Component Video (YCbCr / YPbPr, YUV)  
There is also an option for HDMI Output Pre-Emphasis. For cable runs  
<5 metres this option should be set to Normal. For longer runs this  
option should be set to ‘PreEmph’, the 640R applies some pre-  
emphasis to allow for cable losses in such situations. Maximum cable  
length depends on cable quality and to some extent the resolution of the  
video being transmitted (i.e. higher bit rate signals are harder to  
transmit long distances). HDMI cable repeaters are available and may  
be required for cable lengths >15 metres.  
For best picture quality we recommend making Component video  
connections, then in declining order of quality, S-Video connections and  
then Composite video connections.  
If a digital video connection (HDMI or DVI) is available this is even better  
than Component and should be set in Step 5. For sources where you  
wish to use HDMI or DVI, just set the video type to Composite for now.  
Highlight ‘HDMI Out’ and select either ‘Normal’ or ‘PreEmph’ mode:  
HDMI Setup/Assign Menu  
HDMI1  
HDMI2  
HDMI3  
: Rec 1  
: DVD  
: Video2  
HDMI Out  
: Normal  
Return To Menu  
: [OSD]  
Press the OSD button to exit the menu.  
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Surround sound modes  
The 640R has several music and home-cinema listening modes  
available. The output from the 640R will depend both on the source  
signal present, the speaker setup selected and the decode mode  
selected on the 640R. Before we describe how to operate the 640R,  
below is a brief guide to the Surround Sound formats that the 640R is  
compatible with:  
Pro Logic II material can be played back by normal Stereo equipment (as  
Stereo) or decoded into 5 channel surround-sound.  
Dolby Pro Logic II is compatible with the earlier 4 channel (Left, Centre,  
Right and mono Surround) Dolby Pro Logic system (which was the  
decoding counterpart to Dolby Surround encoding) as used widely on  
Video tapes, TV broadcasts and earlier films.  
Dolby Digital  
Note: Pro Logic does not include a Low Frequency Effects channel for  
the Subwoofer, but the 640R can create a Subwoofer output (for 5.1) via  
Bass management. Refer to the ‘Tone/Sub/LFE configuration’ section in  
the ‘Operating instructions’ part of this manual.  
Known also as DD (3/2) or DD 5.1, provides (up to) 5.1 output from  
suitable encoded Dolby Digital material, with 5 main channels (Front  
Left, Front Right, Centre, Surround Left, Surround Right) and a Low  
Frequency Effects Channel for the subwoofer, all discretely encoded.  
Decoding Dolby Digital requires a Dolby Digital encoded DVD disc and a  
digital connection from the source equipment (Such as a DVD player) to  
the 640R.  
Pro Logic IIx  
A newer version of Dolby Pro Logic II which is able to recreate 6 or 7  
discrete surround sound channels (with fully stereo Back Surrounds in 7  
channel mode) from suitable encoded stereo source material. Pro Logic  
IIx also has modes for post processing either Stereo material or 5.1  
material into 6 or 7 channels whether or not it has been Pro Logic IIx  
encoded. When 5.1 decoding is required, Dolby Prologic II decoding will  
always be used by the 640R in place of Pro Logic IIx as IIx only works for  
6 or 7 channel output.  
Note: Dolby Digital and DTS formats can sometimes carry less channels  
than their maximum such as Dolby Digital (2/0) which means a Dolby  
Digital encoded signal which is actually only carrying a two channel  
stereo signal (other channels inactive).  
DTS  
Note: Pro Logic IIx does not include a Low Frequency Effects channel for  
the Subwoofer, but the 640R can create a Subwoofer output (for  
6.1/7.1) via Bass management. Refer to the ‘Tone/Sub/LFE  
configuration’ section in the ‘Operating instructions’ part of this manual.  
Known also as DTS (3/2) or DTS 5.1, DTS provides (up to) 5.1 output  
from suitable encoded DTS material, with 5 main channels (Front Left,  
Front Right, Centre, Surround Left, Surround Right) and a Low Frequency  
Effects Channel for the subwoofer, all discretely encoded. Decoding DTS  
requires a suitably encoded DTS disc and a digital connection from the  
source equipment to the 640R.  
DTS Neo:6  
A DTS technology which is able to recreate 6 channel (Left Front, Right  
Front, Centre, Left Surround, Right Surround, Surround Back ) surround  
sound from suitable analog matrix encoded stereo source material. DTS  
Neo:6 material can be played back by normal Stereo equipment (as  
Stereo) or decoded into 6 channel surround-sound.  
Dolby Digital EX  
Known also as DD (3/3) or DD 6.1, an enhanced form of Dolby Digital.  
On top of the discretely encoded 5.1 channels DD EX provides an extra  
6th channel (Surround Back, giving 6.1) matrix encoded into the rear  
surrounds for greater image depth and more solid sound localisation  
behind the listener. DD EX requires a DD EX encoded disc. DD EX is  
backwards compatible with DD 5.1 decoding. If DD EX is decoded as  
normal DD the Surround Back signal will be present in both Left and  
Right Rear Surrounds (forming a phantom rear centre). It can also be  
decoded as 7.1 by sending the Surround Back decode to both the  
Surround Back Left and Right speakers (forming two mono Back  
Surrounds).  
Note: Neo:6 does not include a Low Frequency Effects channel for the  
Subwoofer, but the 640R can create a Subwoofer output via Bass  
management. Refer to the ‘Tone/Sub/LFE configuration’ section in the  
‘Operating instructions’ part of this manual.  
DTS Neo:6 can also be be decoded as 7.1 by sending the Surround Back  
decode to the both the Surround Back Left and Right speakers (forming  
two mono Back Surrounds).  
DTS-ES Matrix  
DTS 96/24  
Known also as DTS (3/3) Matrix, an enhanced form of DTS. On top of the  
discretely encoded 5.1 channels DTS ES also provides an extra 6th  
channel (Surround Back giving 6.1), matrix encoded into the rear  
surrounds for greater image depth and more solid sound localisation  
behind the listener. DTS ES requires a DTS ES encoded disc. DTS ES  
material is backwards compatible with DTS 5.1 decoding. If DTS ES is  
decoded as normal DTS the Surround Back signal will be present in both  
Left and Right Rear Surrounds (forming a phantom rear centre). It can  
also be decoded as 7.1 by sending the Surround Back decode to the  
both the Surround Back Left and Right speakers (forming two mono  
Back Surrounds).  
A DTS technology that provides 5.1 channels of 96kHz / 24bit audio  
(along with video if required) on DVD-Video and DVD-Audio (video zone)  
discs (when suitably encoded in DTS 96/24). DVD players which allow  
'DTS digital out' pass the DTS 96/24 bitstream over S/PDIF for decoding  
in the 640R.  
DSP modes  
These modes allow a realistic surround-sound experience from source  
material that has no encoding at all. The surround sound effect is  
achieved by Digital Signal Processing of the Analog or Digital stereo  
source used. Five modes are possible: PassThru, Theater, Hall, Movie  
and Music.  
DTS-ES Discrete  
Another enhanced form of DTS, also known as DTS (3/3) Discrete or DTS  
ES Discrete 6.1. DTS ES Discrete also provides an extra channel  
(Surround Back) for greater image depth and more solid sound  
localisation behind the listener, however in this case extra data is  
included in the bitstream so that all channels are discretely encoded.  
The Surround Back has greater separation from the other channels than  
is possible with matrix encoded technologies. DTS-ES Discrete requires  
a DTS-ES Discrete encoded disc.  
Other modes  
Stereo/Stereo + Sub  
Only the Front Left and Front Right speakers (and subwoofer if selected)  
have output in this mode. If an analog source is selected it will be  
converted to digital via 24 bit A/D converters to allow digital domain sub  
creation and bass/treble controls.  
DTS ES Discrete is backwards compatible with both DTS 5.1 and DTS ES  
Matrix 6.1 decoding. If DTS ES Discrete is decoded as normal DTS the  
Surround Back signal will be present in both Left and Right Rear  
Surrounds (forming a phantom rear centre). If DTS ES Discrete is  
decoded with DTS ES Matrix the Surround Back signal will be decoded  
separately (i.e. as 6.1) but by a matrix process, which will give the same  
channel separation as if the source disc were actually DTS ES Matrix  
(but not as good as DTS EX Discrete).  
If a digital source is selected the 640R will be processing either LPCM  
stereo (from the digital outputs of a CD player for instance) or a Stereo  
downmix of DD or DTS material (from the digital output of a DVD player  
for instance).  
Analog Stereo Direct  
Selects the analog inputs for the current source directly with no A/D  
conversion, DSP processing, Bass/Treble or subwoofer channel active.  
Provides the very best fidelity for analog Hi-Fi source equipment. In this  
mode the 640R is acting just like a normal Hi-Fi integrated amplifier.  
It can also be decoded as 7.1 by sending the Surround Back decode to  
both the Surround Back Left and Right speakers (forming two mono  
Back Surrounds).  
Pro Logic II  
The replacement for original ProLogic, Pro Logic II is a technology where  
5 channels (Front Left, Front Right, Centre, Surround Left, Surround  
Right) are encoded into a Stereo mix by an analog matrix process. Dolby  
18  
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azur 640R  
Operating instructions  
To activate the 640R, switch the Power button on the rear panel to On  
then press the Standby/On button on the front panel.  
Dolby Digital EX/DTS ES Modes - Selects a range of digital surround  
modes with the appropriately digitally encoded material (only). These  
modes are for use with the digital outputs (set to Bitstream/Raw) from  
DVD players or satellite receivers etc. In order for the 640R to allow  
selection of these modes a valid input digital bitstream must be present.  
This is because the 640R needs to read the incoming flags in order to  
determine the type of decoding which can be used and present any  
options that might be possible.  
Selecting the source  
1. Select the desired source by pushing the corresponding source  
button on the front panel or remote control.  
If no bitstream is present, pressing this button will result in the 640R  
displaying “Mode Unavailable”.  
DVD  
Video 1  
Video 2  
Recorder 1  
Aux  
CD  
Recorder 2  
7.1 Direct  
Note: The modes available for each button depend both on the Speaker  
Configuration that has previously been set in the OSD and on the source  
material.  
2. If necessary, press the Audio Input Type button to select the input  
mode of the source equipment, either analog or digital (depending on  
the connection made on the rear panel).  
For 5.1 Speaker setups the Dolby Digital/DTS Surround Modes button  
will have a maximum of only one mode available which will depend on  
the source material. See the following ‘Decode modes’ tables.  
Digital Processing Options  
The Prologic/ Neo:6/DSP modes button will present more options where  
possible including Post-Processed modes.  
Audio  
Input Type  
Stereo  
Modes  
Pro Logic/Neo/ Dolby Digital/  
DSP Surround DTS Surround  
Video  
Input Type  
Modes  
Modes  
These are modes that allow extra processing to be applied after the  
main surround-sound decoding. For instance Dolby Digital (2/0) + PLII  
Music. Which adds a 5.1 ProLogic decode to a Stereo Dolby Digital  
decode to turn 2 channel stereo into 5.1.  
The digital or analog icons on the display  
show which is the currently selected input  
type.  
This mode would be accessed by first selecting the Dolby Digital EX /  
DTS ES Mode button with a Dolby (2/0) bitstream present (selects a  
normal Dolby Digital (2/0) decode. Now press the Pro Logic/ Neo:6/DSP  
mode button to access the next mode which adds a PLII decode on top.  
Note: The 640R stores the input type for each source so that it is  
automatically recalled when that source is selected again.  
For 6.1 or 7.1 Speaker setups, the number of decoding possibilities  
increases as shown in the following ‘Decode modes’ tables. Several  
extra Post Processing modes are available using either Prologic IIx or  
Neo:6.  
Selecting the desired listening mode  
Select an appropriate mode for the source material/type you are  
listening to by pressing one of the 3 main Digital Processing Options  
buttons and cycling through sub-modes where available.  
Incoming Dolby Digital/DTS streams are always shown on the front  
panel display as Dolby Digital (x/x) or DTS (x/x), where the bracketed  
numbers indicate the active channels in the source material. Active  
output channels are shown by the icons on the right hand side of the  
front panel display. Possible incoming DD/DTS types are:  
Digital Processing Options  
Audi
Stereo  
Modes  
Pro Logic/Neo/ Dolby Digital/  
DSP Surround DTS Surround  
Video  
(1/0) - Mono, Centre channel only  
(2/0) - Left/Right stereo  
Input Type  
Input Type  
Modes  
Modes  
In all cases the first time a mode button is pressed the 640R will report  
the current decoding mode on the front panel display. Pressing the  
button again will then cycle to the next available mode (if there is one).  
If no button is pressed for 4 or 5 seconds the 640R returns to normal  
operation without changing mode.  
(2/1) - Left/Right stereo and LFE (Sub)  
(2/2) - Left/Right stereo and Left/Right surround  
(3/0) - Left, Centre, Right  
Stereo Modes - Selects 2 channel Stereo operation for stereo material,  
pressing again selects Stereo + Sub mode.  
(3/1) - Left, Centre, Right and LFE (Sub)  
This is a digitally processed mode that allows bass and treble controls,  
and sub generation if required. The input can be either analog (in which  
case it will be turned into digital by 24 bit A/D conversion) or natively  
digital.  
(3/2) - 5.1: Left, Right, Centre, Left Surround, Right Surround and LFE  
(Sub)  
Digital inputs can be connected to the SPDIF outputs from Tuner's or CD  
Players etc (LPCM) or the digital outputs of DVD players (set to  
Bitstream/Raw) playing 2-channel Dolby Digital (2/0) or DTS (2/0)  
material.  
(3/3) - 6.1: Left, Right, Centre, Left Surround, Right Surround, Surround  
Back and LFE (Sub)  
Prologic/Neo:6/DSP modes - Selects a range of surround modes with  
appropriate matrix encoded material.  
These modes are for use with the analog or digital outputs from TV's or  
VCR Players for instance if the source material has been encoded using  
one of these processes.  
ProLogic and Neo:6 are both available in various guises to decode  
appropriately encoded soundtracks. Additionally DSP modes are  
available to process sources with no encoding at all. Due to the matrix  
encoding process none of these modes incorporate flags that tell the  
640R the type of encoding used in the source material. Thus you must  
manually select these modes.  
19  
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Decode modes - 5.1 speaker setup  
Pro Logic/Neo/  
DSP Surround  
Modes  
Dolby Digital/  
DTS Surround  
Modes  
Incoming  
audio  
format  
Native  
channel  
resolution  
Modes  
(button cycles round)  
Output  
channels  
Modes  
(button cycles round)  
Output  
Channels  
PCM  
2
PCM + PLII Movie  
PCM + PLII Music  
PCM + PLII Game  
PCM + Neo:6 Cinema  
PCM + Neo:6 Music  
PassThru  
Movie  
Music  
Room  
Theatre  
>5.1  
>5.1  
>5.1  
>5.1  
PCM  
2 "  
(5.1/7.1  
if PLII/PLIIx  
encoded)  
>5.1  
>5.1 !  
>5.1 !  
>5.1 !  
>5.1 !  
>5.1 !  
>5.1 !  
Hall  
Dolby Digital (2/0)  
Dolby Digital (3/2)  
2
Dolby Digital (2/0) + PLII Movie  
Dolby Digital (2/0) + PLII Music  
Dolby Digital (2/0) + PLII Game  
>5.1  
>5.1  
>5.1  
Dolby Digital (2/0)  
2
5.1  
Dolby Digital (3/2)  
Dolby Digital EX (3/3)  
DTS (2/0)  
5.1  
5.1<  
2
Dolby Digital EX (3/3) 6.1  
DTS (2/0)  
2
DTS (3/2)  
5.1  
6.1  
DTS (3/2)  
5.1  
5.1<  
5.1<  
5.1  
DTS ES Matrix (3/3)  
DTS ES Matrix (3/3)  
DTS ES Discrete (3/3)  
DTS 96/24  
DTS ES Discrete (3/3) 6.1  
DTS 96/24 (3/2)  
5.1  
Key  
In all cases, pressing the Stereo Modes button always cycles round:  
5.1< Indicates a 5.1 decode of 6.1 material (phantom back centre).  
>6.1 Indicates 6.1 output created by a 2.0 or 5.1 decode, post-  
processed to 6.1.  
Stereo Modes  
Stereo  
Output channels  
2
>7.1 Indicates 7.1 output created by a 2.0, 5.1 or 6.1 decode, post-  
processed to 7.1.  
Stereo + Sub  
2.1  
>6.1< Indicates 6.1 output created from 6.1 material, decoded as 5.1  
and then post-processed to 6.1.  
Either native Stereo or downmix of DD/DTS 5.1/6.1 etc.  
>7.1< Indicates 7.1 output from 6.1 material decoded as 5.1 and then  
post processed to 7.1.  
#
Mode used to force 6.1 or 7.1 EX or ES decoding where the decoder  
detects a disc as only 5.1 encoded but it is known to actually be  
EX/ES encoded (i.e. the EX or ES flags are missing from the disc).  
Note however that the processor cannot create ES/EX output from  
5.1 encoded discs, this mode is only for when the flags are missing.  
To create 6.1/7.1 from a 5.1 disc use a post processed mode  
instead as shown above.  
Pressing a mode button will first cause the 640R to scroll  
the current decode mode across the front panel display.  
Pressing the mode button again whilst text is scrolling on  
the display or within 4 seconds of it finishing will select and  
display the next available mode.  
%
7.1 decode of material with 6.1 encoded channels, two Mono Back  
Surrounds created from single Back Centre Surround Channel.  
"
!
Stereo or Stereo + Sub, Press Stereo Modes Button to change.  
Digital Signal Processing created modes for signals with no  
encoding.  
Note: Bold entries are being output in their native resolution/format.  
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azur 640R  
Decode modes - 6.1 speaker setup  
Pro Logic/Neo/  
DSP Surround  
Modes  
Dolby Digital/  
DTS Surround  
Modes  
Incoming  
audio  
format  
Native  
channel  
resolution  
Modes  
(button cycles round)  
Output  
channels  
Modes  
(button cycles round)  
Output  
Channels  
PCM  
2
PCM + PLIIx Movie  
PCM + PLIIx Music  
PCM + PLIIx Game  
PCM + Neo:6 Cinema  
PCM + Neo:6 Music  
PassThru  
Movie  
Music  
Room  
Theatre  
>6.1  
>6.1  
>6.1  
>6.1  
PCM  
2 "  
(5.1/7.1  
if PLII/PLIIx  
encoded)  
>6.1  
>6.1 !  
>6.1 !  
>6.1 !  
>6.1 !  
>6.1 !  
>6.1 !  
Hall  
Dolby Digital (2/0)  
Dolby Digital (3/2)  
2
Dolby Digital (2/0) + PLIIx Movie  
Dolby Digital (2/0) + PLIIx Music  
Dolby Digital (2/0) + PLIIx Game  
>6.1  
>6.1  
>6.1  
Dolby Digital (2/0)  
2
5.1  
Dolby Digital (3/2) + PLIIx Movie  
Dolby Digital (3/2) + PLIIx Music  
>6.1  
>6.1  
Dolby Digital (3/2)  
Dolby Digital (3/2) + EX  
5.1  
>6.1 #  
Dolby Digital EX (3/3) 6.1  
Dolby Digital (3/3) + PLIIx Movie  
Dolby Digital (3/3) + PLIIx Music  
>6.1<  
>6.1<  
Dolby Digital EX (3/3)  
DTS (2/0)  
6.1  
2
DTS (2/0)  
2
DTS (2/0) + PLIIx Movie  
DTS (2/0) + PLIIx Music  
DTS (2/0) + Neo:6 Cinema  
DTS (2/0) + Neo:6 Music  
>6.1  
>6.1  
>6.1  
>6.1  
DTS (3/2)  
5.1  
6.1  
DTS (3/2) + PLIIx Movie  
DTS (3/2) + PLIIx Music  
DTS (3/2) + Neo:6 Cinema  
DTS (3/2) + Neo:6 Music  
>6.1  
>6.1  
>6.1  
>6.1  
DTS (3/2)  
DTS (3/2) + ES Matrix  
5.1  
>6.1 #  
DTS ES Matrix (3/3)  
DTS ES Matrix (3/3) + PLIIx Movie  
DTS ES Matrix (3/3) + PLIIx Music  
DTS ES Matrix (3/3) + Neo:6 Cinema  
DTS ES Matrix (3/3) + Neo:6 Music  
>6.1<  
>6.1<  
>6.1<  
>6.1<  
DTS ES Matrix (3/3)  
DTS ES Discrete (3/3)  
DTS 96/24  
6.1  
6.1  
5.1  
DTS ES Discrete (3/3) 6.1  
DTS ES Discrete (3/3) + PLIIx Movie  
DTS ES Discrete (3/3) + PLIIx Music  
DTS ES Discrete (3/3) + Neo:6 Cinema  
DTS ES Discrete (3/3) + Neo:6 Music  
>6.1<  
>6.1<  
>6.1<  
>6.1<  
DTS 96/24 (3/2)  
5.1  
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Decode modes - 7.1 speaker setup  
Pro Logic/Neo/  
DSP Surround  
Modes  
Dolby Digital/  
DTS Surround  
Modes  
Incoming  
audio  
format  
Native  
channel  
resolution  
Modes  
(button cycles round)  
Output  
channels  
Modes  
(button cycles round)  
Output  
Channels  
PCM  
2
PCM + PLIIx Movie  
PCM + PLIIx Music  
PCM + PLIIx Game  
PCM + Neo:6 Cinema  
PCM + Neo:6 Music  
PassThru  
Movie  
Music  
Room  
Theatre  
>7.1  
>7.1  
>7.1  
>5.1  
PCM  
2 "  
(5.1/7.1  
if PLII/PLIIx  
encoded)  
>5.1  
>7.1 !  
>7.1 !  
>7.1 !  
>7.1 !  
>7.1 !  
>7.1 !  
Hall  
Dolby Digital (2/0)  
Dolby Digital (3/2)  
2
Dolby Digital (2/0) + PLIIx Movie  
Dolby Digital (2/0) + PLIIx Music  
Dolby Digital (2/0) + PLIIx Game  
>7.1  
>7.1  
>7.1  
Dolby Digital (2/0)  
2
5.1  
Dolby Digital (3/2) + PLIIx Movie  
Dolby Digital (3/2) + PLIIx Music  
>7.1  
>7.1  
Dolby Digital (3/2)  
Dolby Digital (3/2) + EX  
5.1  
>7.1 # %  
Dolby Digital EX (3/3) 6.1  
Dolby Digital (3/3) + PLIIx Music  
Dolby Digital (3/3) + PLIIx Movie  
>7.1<  
>7.1<  
Dolby Digital EX (3/3)  
Dolby Digital EX (3/3)  
6.1  
7.1 %  
DTS (2/0)  
2
DTS (2/0) + PLIIx Movie  
DTS (2/0) + PLIIx Music  
DTS (2/0) + Neo:6 Cinema  
DTS (2/0) + Neo:6 Music  
>7.1  
>7.1  
>7.1 %  
>7.1 %  
DTS (2/0)  
2
DTS (3/2)  
5.1  
6.1  
DTS (3/2) + PLIIx Movie  
DTS (3/2) + PLIIx Music  
DTS (3/2) + Neo:6 Cinema  
DTS (3/2) + Neo:6 Music  
>7.1  
>7.1  
>7.1 %  
>7.1 %  
DTS (3/2)  
DTS (3/2) + ES Matrix  
5.1  
>7.1 # %  
DTS ES Matrrix (3/3)  
DTS ES Matrix (3/3) + PLIIx Movie  
DTS ES Matrix (3/3) + PLIIx Music  
DTS ES Matrix (3/3) + Neo:6 Cinema  
DTS ES Matrix (3/3) + Neo:6 Music  
>7.1<  
>7.1<  
>7.1< %  
>7.1< %  
DTS ES Matrix (3/3)  
DTS ES Matrix (3/3)  
6.1  
7.1 %  
DTS ES Discrete (3/3) 6.1  
DTS ES Discrete (3/3) + PLIIx Movie  
DTS ES Discrete (3/3) + PLIIx Music  
DTS ES Discrete (3/3) + Neo:6 Cinema  
DTS ES Discrete (3/3) + Neo:6 Music  
>7.1<  
>7.1<  
>7.1< %  
>7.1< %  
DTS ES Discrete (3/3)  
DTS ES Discrete (3/3)  
6.1  
7.1 %  
DTS 96/24 (3/2)  
5.1  
DTS 96/24  
5.1  
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azur 640R  
Operating instructions continued  
In automatic tuning mode the unit scans to the next strong station. In  
manual tuning mode the user can step manually through the  
frequencies. In preset mode the unit cycles through the presets only.  
Dynamic Range Control  
This setting controls the dynamic range of Dolby Digital or DTS movie  
soundtracks by compressing the dynamics in four stages to limit the  
difference in level between loud and quiet passages in the movie.  
Two FM modes are available, stereo and mono - Press the Stereo Mono  
button on the remote to alternate between Stereo mode and Mono  
mode. If the Display button is pressed, the RDS station names of FM  
stations will be displayed if available.  
This can be a useful feature when watching movies late at night for  
instance. Four settings are possible:  
DRC=0/4 No Compression (normal full dynamic range playback)  
DRC=1/4  
Storing stations  
DRC=2/4  
1. Tune in a station you wish to store as explained previously.  
DRC=3/4  
2. Press and hold the Mode/Store button (or Mode button on the  
remote) for 5 seconds to bring up the "MEM" icon.  
DRC=4/4 Greatest Compression (reduced dynamic range playback)  
DRC can be accessed by the Dynamic button on the remote, DRC=0/4  
etc is displayed, pressing the button again moves to the next setting.  
When finished make no adjustment for a few seconds and the 640R will  
save the settings and exit the menu.  
3. Use the Tuning+/- buttons to select a preset station number (1-15).  
The station number will be displayed on the screen.  
4. Press the Mode/Store button (or Mode button on the remote) to  
memorise, while the “MEM” icon is still flashing.  
Note: DRC only works for Dolby Digital or DTS source material which  
supports this feature.  
Radio Data Systems (RDS)  
RDS is a method for the transmission of additional information from  
local radio stations. It is only available in FM mode. RDS will only work if  
the local broadcasting stations have RDS transmission and the signal is  
strong enough.  
ProLogic IIx adjustments  
The following adjustments affect Dolby Prologic II or IIx processing (or  
post-processing) in Music mode only. Movie and Game modes where  
available are preset as part of their specification to match the encoding  
or provide a specific effect. These adjustments have no affect in these  
modes.  
Press the Display button on the remote and go through the displayed  
functions. There are functions for PS, PTY, CT and RT:  
PS (Station Name) - current station name will be shown  
Pro Logic Setup  
PTY (Program Type) - current name type of the program will be shown  
CT (Clock/Time) - current time from Radio Station will be displayed.  
Panorama  
Centre Width  
Dimension  
: On  
: 0  
: 3  
Note: Clock/Time will be only transmitted from local radio station once  
a minute. If the Clock - Time is not available the message “NO CT” will  
appear briefly on the display.  
RT (Radiotext) - some Text messages will be shown.  
Return To Menu  
: [OSD]  
Panorama mode - A Prologic II/IIx mode that extends the front Stereo  
image to the surround sound speakers for a more enveloping  
experience. This mode can be either On or Off.  
Program Type Search (PTY)  
1. Press the PTY button on remote control, "PTY SELECT" will flash on  
the display.  
Centre Width - Allows gradual adjustment of the centre image from  
being produced only by the Centre speaker (Setting 0) through levels of  
being spread between the centre channel and Left and Right speakers  
to finally being produced by the Front Left and Right speakers only  
(Phantom Centre, Setting 7). Useful in optimising the  
Front/Centre/Right soundfield for best integration of the 3 speakers.  
Best tuned by ear.  
2. Press Tuning + /- to choose the program type, for example NEWS or  
SPORT.  
3. Press the PTY button again once you have chosen the program type.  
When the selected type of program is tuned in, it will stop searching,  
otherwise, PTY Search will timeout after approximately 30 seconds.  
Dimension - Adjusts the soundfield to be gradually shifted from the front  
of the room to the back to suit taste, speaker positioning and size of  
room. Setting 0 has the image furthest forward, 6 furthest back.  
Auto Program Search (APS)  
1. Press the Tuner FM/AM button to select the AM or FM band.  
All three adjustments are a matter of personal preference, experiment  
for the settings that you prefer if you are using PLII or PLIIx decoding.  
2. Press the APS button on the remote to begin the automatic program  
search through available stations. The searched stations will be  
memorised in the respective band memory (maximum of 15  
stations).  
Using the Tuner  
1. Press the Tuner FM/AM button on the front panel or remote control  
to select Tuner mode.  
2. Press the Tuner FM/AM button again to select FM or AM if desired.  
3. Press the Mode/Store button on the front panel (or Mode button on  
the remote control) to select automatic tuning, manual tuning or  
preset mode.  
4. Press the Tuning + and Tuning - buttons (or the left and right arrow  
buttons on the remote) to select the station you want to listen to.  
23  
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Audio split mode  
The 640R is able to allow the user to listen to one source whilst viewing  
another. For instance this can be useful if it is desired to watch a sports  
channel from say a set-top/satellite video source whilst getting audio  
commentary from the Radio Tuner. Another example might be to listen  
to a CD whilst watching a video channel, perhaps waiting for a TV  
programme to start.  
As covered in the “640R overview” section the 640R performs bass  
management for any speaker that is set to ‘Small’ in the OSD. This  
means that bass for speakers that are unable to reproduce it effectively  
is instead routed to the subwoofer.  
The crossover adjustment in the LFE trim menu is used to determine the  
point as which this transition is made. In other words it sets the  
frequency below which bass is routed away from any ‘Small’ speakers  
and into the Subwoofer channel. It should be understood that bass sent  
to the subwoofer by bass management is different to bass encoded into  
the surround-sound material as a dedicated Low Frequency Effects  
channel.  
First select the Video channel you wish to watch in the normal way. Now  
press and hold down the button for the channel you wish to listen to.  
After 4 seconds approx “Audio Split” will scroll across the display and  
you will now be listening to the other source.  
To cancel audio split mode simply select a new source and normal  
operation will be resumed.  
If the source material contains a separate LFE channel (such as DD or  
DTS material) this is always routed to the subwoofer (if it is On) and is  
not affected by the crossover setting. Some encoding types (Such as  
Dolby PLII/IIx and Neo:6) do not actually have a LFE channel.  
This means that if all the Speakers in your setup were set to Large, the  
subwoofer will in fact be inactive for these types. If it is desired to have  
the subwoofer running with these encoding types, all that is necessary  
is to set some speakers to ‘Small’ and then set the Crossover point to a  
suitable frequency by ear.  
Recorder 1 / 2  
Recorder 1 as well as having various video and audio inputs has  
recording outputs for Composite video, S-Video, digital audio and analog  
audio. Whatever source is selected for viewing/listening via the main  
outputs will also be automatically sent to the Recorder 1 outputs for  
recording purposes. Recorder 1 would typically be used for a DVD-R/RW,  
VCR or other device with audio and video recording capability.  
Remember that 'Small' does not mean the speaker is actually small. All  
it means is that if you wish the processor to perform bass management  
on it and re-direct low frequency energy away from the speaker at some  
point to the subwoofer. The crossover will then determine the point at  
which this happens. Thus it might not be unlikely to have physically large  
speakers that can reproduce good bass, but to set them to 'Small' in the  
OSD and then set a low (40-50Hz) Sub Crossover point so that only very  
low bass is directed away from them and to the Subwoofer channel.  
Recorder 2 has analog and digital audio outputs only. Additionally the  
Recorder 2 outputs are completely independent from the main listening  
and Recorder 1 outputs and are separately set in the OSD.  
This means it’s possible to watch (and optionally record via Rec 1) one  
source whilst recording another source via Rec 2. Recorder 2 would  
typically be used with a Tape/MD/CD-R machine with audio recording  
capability.  
As with all adjustments it is a good idea to experiment to determine what  
works and sounds best with your particular setup  
Note: These adjustments work in all digitally processed Stereo or  
Surround modes but not in Analog Stereo Direct or 7.1 Direct modes.  
Select the ‘Rec.2 Output Select’ menu and press Enter. Use the Left and  
Right arrows to set the audio source for the Rec.2 Output:  
The Sub/LFE channel can also be trimmed by up to 10dB in 1dB steps  
useful for late night listening or other situations where it might be  
desired to reduce the sub level perhaps temporarily.  
Rec.2 Output Select  
Rec.2 Output : DVD  
Bass/Treble adjustments can also be made from the remote without  
entering the OSD by pressing the Bass/Treble button and then using the  
Vol Up/Down buttons.  
LFE Trim adjustments can also be made from the remote without the  
OSD by holding down the Sub On/Off button and using the Vol Up/Down  
buttons whilst it is kept down.  
Return To Menu  
: [OSD]  
Input naming  
Tone/Sub/LFE configuration  
If desired it is possible to customise the names shown on the front panel  
display for each source. Enter the OSD and select the ‘Input Name  
Assign’ menu. Use the Left and Right arrows to select the source you  
wish to edit (CD, DVD etc) then press Enter:  
Select the ‘Tone/Sub/LFE’ menu:  
Tone/Sub/LFE Menu  
Bass  
Treble  
Sub Crossover  
LFE Trim  
: 0dB  
: 0dB  
:200Hz  
:-10dB  
Input Name Assign Menu  
Char. Edit  
: Rec1  
Return To Menu  
: [OSD]  
Take effect  
Return To Menu  
: [Enter]  
: [OSD]  
The Bass response can be adjusted +/- 10dB @ 100Hz (shelving). The  
Treble response can be adjusted +/-10dB @ 10kHz (shelving). The  
“Tone” icon will light up on the display if these controls are adjusted  
away from 0dB (flat). The Subwoofer crossover point can also be  
adjusted from 40 to 150Hz in 10Hz steps and also to 200Hz.  
24  
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azur 640R  
Use the Vol Up, Vol Down, Left and Right buttons to move around the  
character edit screen to select the required characters, press enter to  
move to the next character. Selecting the <- and -> arrows at the bottom  
of the screen and pressing Enter also moves the currently edited  
character left or right.  
Note: If it is desired to have OSD video overlay for Component video  
sources simply make  
a
Composite video connection for each  
Component video source to the 640R as well.  
The OSD can also be shown in several different languages. To change  
the OSD language highlight the ‘Language’ menu and use the Left and  
Right arrows to select between English, Dutch, French, German,  
Spanish, Italian, Norwegian, Swedish and Danish. Press the OSD button  
again to exit and save the options.  
Character Edit  
Rec 1  
Character  
:AREC1  
----+  
[ABCDEFGHIJKLM]  
[NOPQRSTUVWXYZ]  
[abcdefghijklm]  
[nopqrstuvwxyz]  
[0123456789-.’]  
[()+*/=,:;!?_ ]  
+
[OSD]:  
Clear  
+
Once finished select ‘OK’ and press Enter to exit and save. Pressing the  
OSD button will exit the menu and discard any changes.  
Note: The original names can be recalled by resetting the unit, see the  
Reset section at the end of this manual.  
OSD setup  
On-Screen Display is available on the Composite, S-Video and  
Component video outputs (not available on HDMI). The OSD can be  
shown either on a blue background or overlaid on the analog video.  
Select the ‘OSD Setup’ menu, select the ‘Background’ menu and use  
the Left and Right arrows to select between ‘Blue’ and ‘Video’  
backgrounds:  
OSD Setup Menu  
Background  
Language  
:Blue  
:English  
Return To Menu  
: [OSD]  
In Video Background mode the 640R will automatically use the  
Composite or S-Video source for background video when selected,  
however due to a limitation in the OSD chip it cannot directly overlay  
OSD on Component video. Instead for Component sources the 640R  
uses the equivalent Composite input for background video, adds the  
OSD and then transcodes the output to Component. The Composite feed  
is used purely when the OSD is on, when the OSD is off the Component  
inputs will be switched directly to the TV so that there is no loss of  
picture quality.  
S-Video  
Component  
In  
In  
In  
Out  
In  
Out  
In  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video  
Y
1
Recorder  
Y
1
7.1 Direct In  
R
7.1 Preamp Out  
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
L
SL  
C
L
SL  
R
C
Update  
Normal  
L
Manufactured in an  
ISO9002 approved facility  
Designed in London, England  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SR  
SW  
SR  
SW  
This device complies with  
part 15 of FCC rules  
R
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
1
Keypad  
2
Use  
In  
In  
approved  
Power AC  
PSU only  
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Out  
Emitter  
Speaker Impedance 4-8 Ohms  
AM 300  
Rec  
In  
2
CD  
In  
L
L
Surround  
Back Left/  
Surround  
Surround  
Right  
Surround  
Left  
Front  
Right  
Front  
Left  
Centre  
Back Right  
Surround Back  
FM 75Ω  
R
R
Caution Risk of electric shock. Do not open. Do not obstruct ventilation.  
Avis Risque de choc electrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
Serial No. label fitted on underside  
Tuner  
HDMI  
Video  
1
Video  
2
Recorder  
1
DVD  
Rec  
2
Aux  
7.1  
6.1  
5.1  
Component  
25  
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Multi-room connections  
The 640R features Incognito ReadyTM / A-BUSTM Ready outputs, allowing  
multi-room capability. One or two amplified keypads can be plugged into  
the 640R (using Cat5/5e cable and RJ45 plugs) to provide multi-room  
audio in one or two secondary rooms or zones. The keypads are  
powered by an external PSU (also required) through the Cat5/5e cables  
and no mains connection is required in the secondary rooms.  
A-BUS is a standard that allows compatibility between different  
manufacturers equipment, so A-BUS compatible keypads from other  
manufacturers can also be used. If used with our own Incognito KP10  
keypads, there are some extra features such as the ability to change  
source on the 640R from the keypad.  
Order of selection:  
1. Tuner  
TV/Monitor  
2. CD  
3. DVD  
4. Video 1  
5. Video 2  
6. Rec 1  
SS10 speakers  
connected via  
speaker cable  
Local 1 - Aux*  
KP10-EU  
keypad  
SS10  
AS10  
Local 2 - Rec 2*  
*Local source selection must  
be enabled on the keypad.  
LR10  
LR10  
Connections to the 640R’s Incognito ReadyTM / A-BUSTM Ready outputs  
are made by Cat-5 cable (terminated with an RJ45 jack plug). The RJ45  
plug must be wired to the EIA/TIA 568A wiring standard:  
Cat5/5e cable  
(up to 30m / 100ft)  
Wire colurs:  
1. Green/White  
2. Green  
3. Orange/White  
4. Blue  
5. Blue/White  
6. Orange  
7. Brown/White  
8. Brown  
PS5  
In  
In  
In  
Out  
In  
Out  
In  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video  
Y
1
Recorder  
Y
1
7.1 Direct In  
R
7.1 Preamp Out  
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
L
C
L
SL  
R
C
Update  
Normal  
L
Manufactured in an  
ISO9002 approved facility  
Designed in London, England  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SL  
SR  
SW  
SR  
SW  
This device complies with  
part 15 of FCC rules  
R
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
approved  
PSU only  
1
Keypad  
2
Use  
In  
In  
Power AC  
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Out  
Emitter  
Speaker Impedance 4-8 Ohms  
AM 300  
Rec  
In  
2
CD  
In  
L
L
1
2
3
4
5
6
7
8
Surround  
Back Left/  
Surround Back  
8
7
6
5
4
3
2
1
Surround  
Back Right  
Surround  
Right  
Surround  
Left  
Front  
Right  
Front  
Left  
Centre  
FM 75Ω  
R
R
Caution Risk of electric shock. Do not open. Do not obstruct ventilation.  
Avis Risque de choc electrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
Serial No. label fitted on underside  
Tuner  
HDMI  
Video  
1
Video  
2
Recorder  
1
DVD  
Rec  
2
Aux  
7.1  
6.1  
5.1  
640R  
IR10  
Plug view from  
contact end  
View into  
socket  
Gather pairs, trim  
and insert into  
RJ45 plug  
Crimp wires  
securely in place  
azur 640C  
Compact Disc Player  
Open  
Close  
Play  
Pause  
Skip  
Scan  
Standby / On  
Stop  
To allow control of your source equipment from the remote rooms an IR  
emitter (IR10) is plugged into one of the IR outputs on the rear of the  
unit and then attached over the IR window of the source unit.  
Alternatively, on our own products that feature IR emitter Inputs, a mini-  
jack to mini-jack lead can be used. Commands received by the keypads  
can now be sent back to the source equipment via the 640R.  
Mini-jack lead  
640C V2  
L i n e O u t p u t  
Left  
Designed in London, England  
Control Bus  
In Out  
IR Emitter  
In  
Digital Outputs  
azur 640C V2.0 Compact Disc Player  
Max Power Consumption: 18W  
Mains Voltage Selector Switch 115V/230V AC~50/60Hz  
t
L e f  
Caution  
On Power Off  
Risk of electric shock.  
Do not open.  
Avis  
Class  
Luokan  
Klass  
1
Laser Product  
Laserplaite  
Laserapparat  
Risque de choc electrique.  
Ne pas ouvrir.  
1
R i g h t  
1
Achtung  
Vorm öffnen des gerätes.  
Netzstecker ziehen.  
Right  
N1863  
Line Output  
S/P DIF  
Co-axial  
Toslink  
Optical  
Power AC  
Manufactured in an  
ISO9002 approved facility  
Composite video or S-Video connections  
DVD player  
It is then possible to control the source equipment from the remote  
rooms by using the source equipment's own remote controls or through  
a learning remote. The Incognito LR10 can fully control the keypads,  
“learn” the source's remote control codes (including those from other  
manufacturers) and change source input on the 640R etc.  
For further details on the Incognito multi-room system please contact  
your local Cambridge Audio dealer or visit www.cambridge-audio.com.  
The 640R is Incognito Ready Type II, which means the keypads can  
operate independently of the amplifier in terms of volume/bass/treble  
etc, be independently turned on and off from the 640R and each other,  
and can also listen to a different source from that which is currently  
selected on the amplifier. However, both keypads can only listen to the  
same source.  
Multi-Room  
PSU 24V DC In  
Keypad 1  
Keypad 2  
Use  
approved  
PSU only  
IR1  
IR2  
IR3  
1
Video Out  
2
International Patent Pending LeisureTech Electronics Pty Ltd  
The 640R also features 2nd/3rd zone Composite video outputs which  
optionally allow the extra zones to have video capability. The 640R can  
use either Composite video or S-Video inputs as sources to supply the  
sub-zones, but not from Component or HDMI inputs. Note: If it is desired  
to use Component or HDMI for the main zone, the source should also be  
connected to the 640R by Composite or S-Video for the 2nd/3rd zone  
video output.  
26  
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azur 640R  
Custom installation (C.I.) use  
Troubleshooting  
Control  
The 640R features Control Bus inputs and outputs that  
A low hum or buzz sound can be heard  
Power cords or lighting placed near this product.  
Bus  
allow un-modulated remote control commands  
(positive logic, TTL level) to be received electrically by  
the unit. These control commands are typically  
generated by custom installation (multi-room) systems  
or remote IR receiver systems. The Control Bus sockets  
are colour-coded orange.  
Analog inputs not connected securely.  
In  
In  
Sound is not audible from one channel  
Speaker connections disconnected.  
Out  
Emitter  
An IR Emitter Input is also provided that allows modulated IR remote  
control commands to be received electrically by the unit. Commands on  
Speaker set to “None” in OSD setup menu.  
RS232C  
this input operate the unit only and are not looped out  
Sound cuts off when listening to music or there is no  
sound even though power is ON  
Speaker impedance is less than prescribed for the 640R.  
demodulated on the Control Bus Output. An RS232 port is  
also featured which allows the 640R to be controlled by C.I.  
systems.  
The unit is not adequately ventilated and may be overheating.  
In addition the unit features 'direct' IR/Control codes as well as toggle  
codes for some of their features to simplify programming custom  
installation systems. Special direct On/Off and Mute commands can be  
accessed on the supplied remote control for teaching into C.I. systems  
as follows:  
Low bass or “phasey” response  
Speaker polarity (+/-) of one or more speakers is reversed.  
An unusual hissing noise is heard when listening to a  
radio broadcast in stereo, but not heard when listening in  
mono  
A slight noise may be heard because the method used for modulation of  
FM stereo broadcasts is different than that used for mono broadcasts.  
1. Press and hold the Standby/On button on the remote control. The  
remote first generates it's standby (toggle) command. Keep the  
button held down, after 12 seconds an AV receiver “On” command  
will be generated. If the button is kept held down for a further 12  
seconds, an AV receiver “Off” command is generated.  
Repeat this procedure with the Mute, Sub On/Off, Stereo Mono and  
Tuner AM/FM buttons to send On/Off commands. The Tuner AM/FM  
button also provides unique FM and AM commands to allow switching to  
a specific band.  
Aerial quality also effects the level of hiss heard.  
Noise is excessive in both stereo and monaural radio  
broadcasts  
A full code table and RS232 protocol for this product is available on the  
Cambridge Audio website at www.cambridge-audio.com.  
Poor location and/or direction of the antenna.  
Transmitting station is too far away.  
No sound from the rear speakers  
Source being played is not recorded in surround sound.  
Speaker/s set to “None” in OSD setup menu.  
A stereo mode has been selected.  
Reset/Back-up memory  
The 640R has a function that preserves the preset memory and other  
settings. In the event of a power failure, or if the power cord of the unit  
is disconnected from the mains outlet, the back-up memory will  
preserve the preset memory for approximately one week. If the power  
supply is interrupted for 7 days or longer, the memory settings will be  
erased.  
No sound from the centre speaker  
Centre speaker has been set to “None” in OSD setup menu.  
A stereo mode has been selected.  
No sound from the subwoofer  
Sub has been set to ‘Off’ in the OSD setup menu or via the remote.  
If it is desired to reset all settings to their factory defaults (or in the  
unlikely event that the unit locks up due to an electrical discharge etc),  
with the unit on and out of Standby mode press and hold the DVD and  
Analog Stereo Direct buttons on the front panel for three seconds.  
DTS Neo:6, DD PLII/IIx modes (which have no LFE channel) have been  
selected with all speakers set to “Large”.  
Remote control is not working  
The batteries are flat.  
The remote is too far from the receiver or out of the effective range.  
No sound from speakers when connected to a digital  
input  
Analog  
Stereo Direct  
DVD  
Video  
1
Video  
2
Recorder  
1
Aux  
CD  
Recorder  
2
7.1 Direct  
Tuner FM/AM  
Audio input type is set to analogue (check display). Press the Audio Input  
Type button to switch to digital.  
Video  
3
udio  
R
Tuning  
+
Mode/Store  
Digital Processing Options  
Audio  
Input Type  
Stereo  
Modes  
Pro Logic/Neo/ Dolby Digital/  
DSP Surround DTS Surround  
Video  
Input Type  
No sound from speakers when connected to an analogue  
input  
Modes  
Modes  
Audio input type is set to digital. Press the Audio Input Type button to  
switch to analogue (check display).  
“RESET” will appear briefly on the front panel display before returning to  
Standby mode.  
Audio input type can also be set in the Input/Output Setup menu of the  
OSD.  
27  
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Technical specifications  
Recording Video Outputs  
Other connections  
1 Composite, 1 S-Video  
Audio  
Power Output  
2 x 120 watts rms per channel,  
8 ohms (two channels driven)  
1 1/4" / 6.35mm Headphone Output  
(32 To 600 ohms recommended)  
1 Control Bus Input / Ouput  
1 IR Emitter In  
7 x 100 watts rms per channel,  
8 ohms (all 7 channels driven)  
1 RS232C  
1 IEC type mains inlet  
THD  
<0.006% @1kHz  
<-60dB @ 1kHz  
Incognito Ready™ / A-BUS Ready™  
2 A-BUS keypad outputs (2nd/3rd Zone)  
Crosstalk  
3 IR Emitter outputs  
2 Composite video outputs (2nd/3rd Zone)  
1 External PSU input 24VDC  
Frequency response  
S/N Ratio  
10Hz - 20kHz -1dB  
>90dB 'A' weighted  
Standby power consumption <10w  
Quiescent power consumption <70w  
Audio Input Impedance / Sensitivity  
47kOhms / 175mV or greater  
Digital Input Impedance  
Max power consumption  
Dimensions - H x W x D  
1400w  
75ohms (Coaxial/SPDIF)  
150 x 425 x 420mm  
(inc all terminals & controls)  
Tone Control  
- Bass  
- Treble  
+/-10dB @ 100Hz  
+/-10dB @ 10kHz  
Weight  
15kg (33lbs)  
Tuner  
- FM mode  
- AM mode  
87.5-108MHz, 75 ohm coaxial aerial  
522-1629kHz, 300 ohm loop aerial  
Decoding modes supported  
PCM  
Stereo Linear PCM with or without digitally created Sub, 16-24 bit data,  
44.1, 48 or 96kHz  
Video  
Video Levels /Impedance  
- Composite (CVBS)  
PLII Movie  
1Vp-p / 75ohm  
5.1 PLII matrix decode optimised for movie material  
PLII Music  
- S-Video (S-VHS)  
Y 1Vp-p / 75ohm  
5.1 PLII matrix decode optimised for music material  
PLII Game  
C 0.286 Vp-p / 75ohm  
5.1 PLII matrix decode optimised for game material  
- Component  
Y 1Vp-p / 75ohm  
Cb/Cr 0.75Vp-p / 75ohm  
Pb/Pr 0.75Vp-p / 75ohm  
PLIIx Movie  
6.1 /7.1 PLIIx matrix decode optimised for movie material  
PLIIx Music  
6.1 /7.1 PLIIx matrix decode optimised for music material  
PLIIx Game  
6.1 /7.1 PLIIx matrix decode optimised for game material  
HDMI  
Transfer of all resolutions up to and including 1080p @ 50/60Hz  
(1920 x 1080) supported, with HDCP handshaking.  
Dolby Digital Stereo (2/0) + PLII Movie  
5 .1 PLII matrix decode of Dolby Stereo material  
Dolby Digital Stereo (2/0) + PLII Music  
5.1 PLII matrix decode of Dolby Stereo material  
Dolby Digital Stereo (2/0) + PLII Game  
General  
Architecture  
Crystal CS43122 24 Bit 192kHz  
capable DAC for Front Left & Right  
5 .1 PLII matrix decode of Dolby Stereo material  
Crystal CS52526 24 Bit 192kHz  
capable CODEC for surround  
channels + 24 Bit 2 channel A/D  
conversion  
Dolby Digital Stereo (2/0) + PLIIx Movie  
6 .1/7.1 PLIIx matrix decode of Dolby Stereo material  
Dolby Digital Stereo (2/0) + PLIIx Music  
6 .1/7.1 PLIIx matrix decode of Dolby Stereo material  
Dolby Digital Stereo (2/0) + PLIIx Game  
Crystal CS43122 32 bit DSP  
6 .1/7.1 PLIIx matrix decode of Dolby Stereo material  
Audio Inputs  
8 Line Level Analog  
Tuner (FM/AM)  
7.1 Analog Input  
Dolby Digital  
(Up to) 5.1 digital surround sound  
Dolby Digital + PLIIx Movie  
5 Digital Co-axial, 6 Digital Optical  
PLIIx Movie post process of DD 5.1 giving 6.1 or 7.1 (7.1 has mono  
back surrounds)  
Dolby Digital + PLIIx Music  
Video Inputs  
5 Composite, 5 S-Video,  
3 Component Video, 3 HDMI  
PLIIx Music post process of DD 5.1 giving 6.1 or 7.1 (7.1 has mono  
back surrounds)  
Main Audio Outputs  
Main Video Outputs  
Recording Audio Outputs  
7 Amplified Speaker Outputs  
7.1 Preamp outputs  
Dolby Digital EX  
1 Composite, 1 S-Video,  
1 Component Video, 1 HDMI  
6.1 or 7.1 (7.1 has mono back surrounds) decode of 6.1 Dolby Digital  
EX material  
2 Line Level Analog  
2 Digital Co-Axial, 2 Digital Optical  
DTS Neo:6 Cinema  
5.1/6.1/7.1 Neo:6 matrix decode (6.1 source material) 5.1 decode has  
phantom rear centre, 7.1 decode has mono back surrounds)  
28  
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azur 640R  
This guide is designed to make installing and using this product as easy as  
possible. Information in this document has been carefully checked for accuracy at  
the time of printing; however, Cambridge Audio's policy is one of continuous  
improvement, therefore design and specifications are subject to change without  
prior notice. If you notice any errors please feel free to email us at:  
DTS Neo:6 Music  
5.1/6.1/7.1 Neo:6 matrix decode (6.1 source material, 5.1 decode  
has phantom rear centre, 7.1 decode has mono back surrounds)  
DTS Stereo (2/0) + DTS Neo:6 Cinema  
5.1/6 .1/7.1 Neo:6 matrix decode of DTS Stereo material (7.1 has  
mono back surrounds)  
DTS Stereo (2/0) + DTS Neo:6 Music  
5.1/6 .1/7.1 Neo:6 matrix decode of DTS Stereo material (7.1 has  
mono back surrounds)  
DTS Stereo (2/0) + PLIIx Movie  
This document contains proprietary information protected by copyright. All rights  
are reserved. No part of this manual may be reproduced by any mechanical,  
electronic or other means, in any form, without prior written permission of the  
manufacturer. All trademarks and registered trademarks are the property of their  
respective owners.  
Incognito and Incognito Ready are trademarks of Cambridge Audio Ltd. All rights  
reserved.  
5.1/6 .1/7.1 PLIIx matrix decode of DTS Stereo material  
DTS Stereo (2/0) + PLIIx Music  
© Copyright Cambridge Audio Ltd 2007  
5.1/6 .1/7.1 PLIIx matrix decode of DTS Stereo material  
“Dolby”, “Pro Logic”, “Surround EX” and the double-D symbol are trademarks of  
Dolby Laboratories.  
DTS  
“DTS”, “DTS Digital Surround”, “DTS-ES”, “96/24” and “Neo:6” are trademarks of  
Digital Theater Systems, Inc.  
(Up to) 5.1 digital surround sound  
DTS ES Matrix  
6.1 or 7.1 decode of 6.1 DTS ES Matrix material (7.1 has mono back  
surrounds)  
HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or  
registered trademarks of HDMI Licensing LLC.  
A-BUS and A-BUS Ready are registered trademarks of LeisureTech Electronics Pty  
Ltd Australia.  
DTS ES Discrete  
6.1 or 7.1 decode of 6.1 DTS ES Discrete material (7.1 has mono back  
surrounds)  
DTS + Neo: 6 Cinema  
Neo:6 Cinema post process of DTS 5.1 giving 6.1 or 7.1 (7.1 has mono  
back surrounds)  
DTS + Neo: 6 Music  
Neo:6 Music post process of DTS 5.1 giving 6.1 or 7.1 (7.1 has mono  
back surrounds)  
DTS + PLIIx Movie  
PLIIx Movie post process of DTS 5.1 giving 6.1 or 7.1 (7.1 has mono  
back surrounds)  
DTS + PLIIx Music  
PLIIx Music post process of DTS 5.1 giving 6.1 or 7.1 (7.1 has mono  
back surrounds)  
DTS ES Matrix/Discrete + Neo: 6 Cinema  
Neo:6 Cinema post process of DTS ES 6.1 giving 6.1 or 7.1 (7.1 has  
mono back surrounds)  
DTS ES Matrix/Discrete + Neo: 6 Music  
Neo:6 Music post process of DTS ES 6.1 giving 6.1 or 7.1 (7.1 has  
mono back surrounds)  
DTS ES Matrix/Discrete + PLIIx Movie  
PLIIx Movie post process of DTS ES 6.1 giving 6.1 or 7.1  
DTS ES Matrix/Discrete + PLIIx Music  
PLIIx Music post process of DTS ES 6.1 giving 6.1 or 7.1  
DTS 96/24  
5.1 discrete audio  
PassThru, Movie, Music, Room, Theater & Hall  
5.1/6.1/7.1 DSP effects  
29  
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Cambridge Audio  
Gallery Court  
Hankey Place  
London SE1 4BB  
England  
© 2007 Cambridge Audio Ltd  
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