Cambridge Audio Azur 540R V3 Supplementary Manual - page 7
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1.3.6 Group 6 - Replies from Amplifier Commands
Command
Command Description
Command Data
Example
Number
01
Power State
0 - Standby, 1 - On
#6,01,0\r - Put 640R in standby
02 Volume
Up
-90 to 00 (where -90 = mute, 00 = max
volume
#6,02,-16\r - Vol = -16dB
03 Volume
Down
-90 to 00 (where -90 = mute, 00 = max
volume
#6,03,-16\r - Vol = -16dB
04
Bass Up
-10 to 10
#6,04,-6\r - Bass = -6db
05
Bass Down
-10 to 10
#6,05,-6\r - Bass = -6db
06
Treble Up
-10 to 10
#6,06,-7\r - treble = -7db
07
Treble Down
-10 to 10
#6,07,-7\r - treble = -7db
08
Sub On
No Data
#6,08\r - Sub woofer on
09
Sub Off
No Data
#6,09\r - Sub woofer off
10
Set LFE trim
0 = 0db, 1 = -1db… -10 = -10dB
#6,10, 03\r - LFE trim set to -3dB
11
Mute State
0 - Off, 1 - On
#6,11,00\r - 540R mute off
12
Dynamic Range Set
0 - 0/4, 1 - 1/4, 2 - 2/4, 3 - 3/4, 4 - 4/4
#6,12, 02\r - Set dynamic range limit to 2/4
13
OSD On
No Data
#6,13\r - OSD On
14
OSD Off
No Data
#6,14\r - OSD Off
15
OSD Up
No Data
#6,15\r - OSD up
16
OSD Down
No Data
#6,16\r - OSD down
17 OSD
Left
No Data
#6,17\r - OSD Left
18
OSD Right
No Data
#6,18\r - OSD Right
19
OSD Enter
No Data
#6,19\r - OSD Enter