Cambridge Audio Azur 740A - Manual (Page 10)

10
Amplifier setup continued
Volume display
To change the volume display from decibels (-84 to 0dB) to arbitrary
volume units (0 to 72 units) select VOL DB in the System Configure
menu. Press the input select button to turn off the volume in decibels.
Press the Mode button to exit.
Input gain trim
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 -12 dB (the available range is restricted if
the volume is set very low). Press the Mode button to exit.
Fixed level inputs
Any input of the 740A 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 740A 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 740A
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 740A and connected stereo sources as
normal for best possible sound quality. For surround sound, select the
fixed level input you have chosen on the 740A and now use the AV
receiver to control the volume, select connected surround sound
sources etc. You may wish to re-name the fixed level input as “A/V
mode” or similar on the 740A. Make connections as below, the left and
right preamp outputs of the AV receiver connect to the fixed gain input
chosen on the 740A. As the gain can be fixed to any value it is easy to
match the level of the 740A to that of the other AV channels.
To set a fixed volume for a source, select FIXED INP in the System
Configure menu:
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.
Mode
Volume
On/Off control menu
When going in/out of Standby mode the 740A 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 740A Control Bus Out to the Control Bus In on another Azur
model (e.g. 740C). Continue the chain to other Azur models if required.
Now while the 740A is on press and hold the Standby/On button until
ON/OFF CTR appears on the display:
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.
740A
AV receiver
L R
SL SR
C
SB
SW
L R
Surround
sound
sources
Stereo
sources
IR1
IR2 IR4
IR3
Keypad 1 Keypad 2
Pre Out Tape/Rec In (Input 6) Tape/Rec Out 2 Tape/Rec Out 1 Input 5 Input 4 Input 3 Input 2 Input 1
Pre Out Ta pe/Rec In Ta pe/Rec Out 2 Ta pe/Rec Out 1 Input 5 Input 4 Input 3 Input 2 Input 1
Right
Left
Right
Left Power AC
Off
Power
In Out
Control Bus IR Emitter
In
PSU
In
On
Multi-Room
International Patent Pending LeisureTech Electronics Pty Ltd
N1863
Caution Risk of electric shock. Do not open.
Avis Risque de choc electrique. Ne pas ouvrir.
Achtung Vorm öffnen des gerätes. Netzstecker ziehen.
azur 740A Integrated Amplifier
Power Rating: 230V AC ~ 50Hz
Max Power Consumption: 750W
Off
On
Contr
ol Bus P
assThru
F ront Panel IR Re s e rv e d
Re s e rv e d
www.cambridge-audio.com
AЯ 46
Off
Power
On
Manufactured in an ISO9002 approved facility
This device complies with part 15 of FCC rules
Caution Risk of electric shock. Do not open.
Avis Risque de choc electrique. Ne pas ouvrir.
Achtung Vorm öffnen des gerätes. Netzstecker ziehen.
Digital Outputs Power AC IR Emitter
In In Out
Control Bus
S/P DIF
Co-axial Toslink
Optical
Digital Inputs 1
S/P DIF
Co-axial Toslink
Optical
Digital Inputs 2
S/P DIF
Co-axial Toslink
Optical
Class 1 Laser Product Luokan 1 Laserplaite
Klass 1 Laserapparat
Designed in London, England
Incorporating Q5™ from: ANAGRAM TECHNOLOGIES
Line Output
Line Output
Right Right
Left Left
azur 740C Upsampling Compact Disc Player
www.cambridge-audio.com
Power Rating: 230V AC ~ 50Hz
Max Power Consumption: 25W
AЯ 46
Aeri al Input 50 Ohms F-Ty pe
Aerial
Input
50 Ohms F-Type
Line Output
Line Output
Right Right
Left Left IR Emitter
In In Out
Control Bus
Toslink
Optical
Digital Outputs On Off Power
Manufactured in an ISO9002 approved facility
S/P DIF
Co-axial
Caution Risk of electric shock. Do not open. Avis Risque de choc electrique. Ne pas ouvrir. Achtung Vorm öffnen des gerätes. Netzstecker ziehen.
Power Rating: 230V AC ~ 50Hz
www.cambridge-audio.com
Designed in London, England
azur 640T DAB/FM Tuner V2.0
Max Power Consumption: 15W
N1863
Impedance 4 - 8 ohms one pair, 6 - 8 ohms per pair if two pairs
Loudspeaker Terminals
Important Please ensure that loudspeaker terminals are fully tightened Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées
B
A
Designed in London, England Right Left
Right Left
B
A
Manufactured in an ISO9002 approved facility This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.
740C
740A
640T V2.0
Mode
Volume
Mode
Volume
Volume
Standby / On