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Cambridge Audio Azur 351R Manual

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351Razur
13
ENGLISH
The following two sections can be performed by Cambridge Audio CAMCAS
procedure so you can if you wish jump straight to that section. However, it is
recommended that you do read these sections to understand the reasons for
these settings and their implications.
Speaker Delay
Because the speakers in a surround sound system are usually different
distances from the listener the 351R 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.
To set the delay times automatically, refer to the "Auto setup" section of this
manual.
To set the delay times manually, simply measure the distances from the
listening position to each speaker as shown in the following diagram:
No delay setting for the subwoofer is necessary.
Set the distances in the OSD Speaker Distance menu to the nearest value
in metres or feet (1 foot = 0.3 metres). The speed of sound is approx 340
metres per second, the 351R thus introduces approx 3mS of delay per meter
of distance set.
Go to the 'Speaker Distance' 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):
Press the
button to exit the menu.
2. Speaker setup
1 23
6
4 5
1 = Front Left speaker
2 = Front Right speaker
3 = Centre speaker
4 = Surround Left speaker
5 = Surround Right speaker
6 = Subwoofer (can be placed
almost anywhere)
azur 351R
Audio In. Select
Tone/Sub Config.
Speaker Config.
Speaker Distance
Speaker Level
Speaker Xover
Auto Setup
Dolby/DTS Setup
OSD Setup
Unit
Front L
Front R
Center
Surr. L
Surr. R
Quit : [I/O] Enter : [ENTER]
Meters <>
2.9 <>
2.9 <>
2.9 <>
2.0 <>
2.0 <>
Level calibration
The 351R 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. This can be done manually through the 'Level Calibration' menu in
the OSD or automatically, see the following Auto setup section of this manual.
The basic process for manual adjustment is to listen to or measure with a
Sound Pressure Level (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 351R incorporates a Test Signal Generator (broad-
band white noise) to facilitate this.
Press the
button on the remote control to turn on the OSD then select the
'Speaker Level' menu. Now turn on the test signal by highlighting this item
and pressing the Left or Right arrows:
You can now move up and down the channels using Volume / 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.
A "rushing" or "hissy" sound should be heard.
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 the / buttons 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 most different channel. Once all channels sound
the same in terms of loudness, press the OSD button again to save the
settings and exit the menu.
CAMCAS Auto speaker setup for Distance/Level
The 351R includes our simple automatic speaker setup system called
'CAMCAS' (Cambridge Audio Mic Controlled Auto Setup). The system performs
two sets of tests rstly checking which speakers are connected and whether
they are wired correctly and in phase then a second automatically measuring
and adjusting the speaker delay timings (i.e. distance setting ) and levels.
Before activating this feature the 'Decode Mode' (i.e. type of speaker package
e.g. 5.1) and Large/Small/None status of each speaker must be set correctly
as per section 1. This is important as the unit will only look for and check the
speakers you have told it you have.
azur 351R
Audio In. Select
Tone/Sub Config.
Speaker Config.
Speaker Distance
Speaker Level
Speaker Xover
Auto Setup
Dolby/DTS Setup
OSD Setup
Test Signal
Front L
Front R
Surr. L
Surr. R
Center
Subwoofer
Quit : [I/O] Enter : [ENTER]
Off <>
0dB <>
0dB <>
0dB <>
0dB <>
0dB <>
0dB <>
… 13 …


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Others manual(s) of Cambridge Audio Azur 351R

Cambridge Audio Azur 351R Additional guide - English - 2 pages

Cambridge Audio Azur 351R User Manual - German - 22 pages

Cambridge Audio Azur 351R User Manual - Dutch - 22 pages

Cambridge Audio Azur 351R User Manual - French - 22 pages

Cambridge Audio Azur 351R User Manual - Italian - 24 pages

Cambridge Audio Azur 351R User Manual - Polish - 22 pages

Cambridge Audio Azur 351R User Manual - Swedish - 22 pages

Cambridge Audio Azur 351R User Manual - Spanish - 22 pages


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