Volume display
Mode
Volume
To change the volume display from decibels
Front IR
Mode
Volume
Used in conjunction with Custom Installation (C.I.) systems or IR repeater systems, it may be desirable to disable the front panel IR by setting FRONT IR to off (press the input select button to turn off). Press the Mode button to exit.
Input gain trim
Mode
Volume
The relative levels of the inputs can be adjusted by gain trim. This allows each to be adjusted so that each sounds the same in terms of average loudness when you switch between them. Pick the loudest sounding source and trim its level until it matches the average perceived level of the others. Repeat this process if other sources also stand out as louder than the average.
To set the input gain trim for each source, select INP TRIM in the System Configure menu. Select the input required and use the volume control to set the gain between 0 and
Fixed level inputs
Any input of the 840A V2 is able to be set for fixed gain. Whenever this input is selected the gain will automatically go to this value and will not be adjustable by the volume control. This feature allows the 840A V2 to be effectively used as a stereo power amplifier (for that selected input only). For example, as well as operating as a pure stereo amplifier, the 840A V2 can provide the amplification for the front left and right channels of a surround sound setup with an AV receiver providing amplification for the other channels and controlling the overall system volume.
When listening in stereo use the 840A V2 and connected stereo sources as normal for best possible sound quality. For surround sound, select the fixed level input you have chosen on the 840A V2 and now use the AV receiver to control the volume, select connected surround sound sources etc. You may wish to
azur 840A V2
To set a fixed volume for a source, select FIXED INP in the System | ENGLISH |
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Configure menu: |
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Volume |
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Select the input required and set the fixed gain using the volume control (the OFF setting does not disable the input but leaves the input gain subject to the volume control which is the default setting). When a source has a fixed input, the balance is always set to neutral. Press the Mode button to exit.
On/Off control menu
When going in/out of Standby mode the 840A V2 can automatically turn on and off other connected Cambridge Audio Azur models that have control bus sockets. For this feature to work the units must be connected together (see diagram) by RCA/phono leads. The sockets are colour- coded orange on the rear panels of compatible Azur models. Loop out from the 840A V2 Control Bus Out to the Control Bus In on another Azur model (e.g. 840C). Continue the chain to other Azur models if required.
640T V2.0
Manufactured in an
ISO9002 approved facility
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| Designed in London, England | |
Caution | On Power Off | Control Bus | IR Emitter |
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| Digital Outputs | azur 640T DAB/FM Tuner V2.0 | Ohms 50 | |
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| In | Out | In | Left | Left |
| Power Rating: 230V AC ~ 50Hz | erial A |
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| Max Power Consumption: 15W |
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| Line Output | Toslink | S/P DIF |
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840C |
840A V2
Now while the 840A V2 is on press and hold the Standby/On button until ON/OFF CTR appears on the display:
Standby/On
Volume
Select the connected Azur models by pressing the appropriate input select button. For example, CA XXXC for an Azur CD player (540C V2, 640C V2), CA XXXD for an Azur DVD player, CA DAB T for an Azur DAB tuner etc.
Press ON & OFF to scroll through the options of ON (turns all Azur units on only), OFF (turns all Azur units into Standby only) or ON & OFF (turns all Azur units on and into Standby mode).
Press OK to confirm and exit.
L
SW
SL
C
840A V2
L R
AV receiver
SB
R
Stereo
sources
Surround
sound sources
SR
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