SRP-X500P RS-232C Interface Manual
2.1.12 MUTING : 0x43 0x4D 0x55 0x54 (‘CMUT’)
This command is used to turn off the specified channel (Muting on”) or turn the channel back on (Muting off”).
The parameter specified in this command for the MIC 1/2/WL 1/2 INPUT, MIC 3/4 INPUT, LINE INPUT,
AV/RGB INPUT, SPEAKER OUTPUT 1-4, and LINE OUTPUT 1-4 channels function in the same way as the
MUTING buttons in the BLOCK screen and the OVER VIEW screen of the SRP-X500P Manager.
Note
This command can be used only when the SYSTEM TYPE selector on the SRP-X500P is set to 0.

Packet format

0x43 0x4D 0x55 0x54 parameter” 0x0D

Parameter

The parameter consists of 2 bytes of data in the order shown in the following table.
Byte Parameter
1st Channel
2nd MUTING

Channel (1st byte)

Specify muting of a channel.
The parameter and the channel selection are shown in the following table.
Channel Channel
MIC 1/WL 1 INPUT 0x30(‘0’) MASTER VOLUME 0x40(‘@’)
MIC 2/WL 2 INPUT 0x31(‘1’) REMOTE 1 0x42(‘B’)
MIC 3 INPUT 0x32(‘2’) REMOTE 2 0x43(‘C’)
MIC 4 INPUT 0x33(‘3’) REMOTE 3 0x44(‘D’)
LINE INPUT 0x36(‘6’) REMOTE 4 0x45(‘E’)
AV/RGB INPUT 0x37(‘7’) REMOTE 5 0x46(‘F’)
SPEAKER OUTPUT 1 0x38(‘8’) REMOTE 6 0x47(‘G’)
SPEAKER OUTPUT 2 0x39(‘9’)
SPEAKER OUTPUT 3 0x3A(‘:’)
SPEAKER OUTPUT 4 0x3B(‘;’)
LINE OUTPUT 1 0x3C(‘<‘)
LINE OUTPUT 2 0x3D(‘=‘)
LINE OUTPUT 3 0x3E(‘>‘)
LINE OUTPUT 4 0x3F(‘?’)

MUTING (2nd byte)

Specify muting or cancellation of muting.
The parameter and the muting setting are shown in the following table.
MUTING
Muting off 0x40(‘@’)
Muting on 0x41(‘A’)
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