USER MANUAL
iAC
Installation Power Amplifier
Function
Start
Channel
Byte
Functions
Bytes
Value Bytes
End
FIRM-
WARE
VERSION
69 41 43 55
01
5D FF
32
AA
VOLUME 69 41 43 55
01
5D 02
00
(= 0 db)
01
(= 1 db)
02
(= 2 db)
03
(= 3 db)
04
(= 4 db)
05
(= 5 db)
06
(= 6 db)
07
(= 7 db)
09
(= 8 db)
09
(= 9 db)
0A
(= 10 db)
0B
(= 11 db)
0C
(= 12 db)
0D
(= 13 db)
0E
(= 14 db)
0F
(= 15 db)
10
(= 16 db)
11
(= 17 db)
12
(= 18 db)
13
(= 19 db)
14
(= 20 db)
15
(= 21 db)
16
(= 22 db)
17
(= 23 db)
18
(= 24 db)
19
(= 25 db)
1A
(= 26 db)
1B
(= 27 db)
1C
(= 28 db)
1D
(= 29 db)
1E
(= 30 db)
1F
(= 31 db)
20
(= 32 db)
21
(= 33 db)
22
(= 34 db)
23
(= 35 db)
24
(= 36 db)
25
(= 37 db)
26
(= 38 db)
27
(= 39 db)
28
(= 40 db)
29
(= 41 db)
2A
(= 42 db)
2B
(= 43 db)
2C
(= 44 db)
2D
(= 45 db)
2E
(= 46 db)
2F
(= 47 db)
30
(= 48 db)
Function
Start
Channel
Byte
Functions
Bytes
Value Bytes
End
TREBLE
69 41 43 55
01
5D 06
00
(= -14)
01
(= -12)
02
(= -10)
03
(= -8)
04
(= -6)
05
(= -4)
06
(= -2)
07
(= 0)
0E
(= +2)
0D
(= +4)
0C
(= +6)
0B
(= +8)
0A
(= +10)
09
(= +12)
08
(= +14)
AA
MIDDLE 69 41 43 55
01
5D 11
00
(= -14)
01
(= -12)
02
(= -10)
03
(= -8)
04
(= -6)
05
(= -4)
06
(= -2)
07
(= 0)
0E
(= +2)
0D
(= +4)
0C
(= +6)
0B
(= +8)
0A
(= +10)
09
(= +12)
08
(= +14)
BASS
69 41 43 55
02
5D 05
00
(= -14)
01
(= -12)
02
(= -10)
03
(= -8)
04
(= -6)
05
(= -4)
06
(= -2)
07
(= 0)
0E
(= +2)
0D
(= +4)
0C
(= +6)
0B
(= +8)
0A
(= +10)
09
(= +12)
08
(= +14)
MUTE
69 41 43 55
01
5D 02
3F
SYNC CH1
to CH2 is
ON
69 41 43 55
01
5D 01
01
Operation
08
Receive Sequences
Example:
The following RS232 sequence means that amlifier’s Channel 1 volume is set to 10 dB:
69 41 43 55 01 5D 02 0A AA