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NTI AUDIO/HD VIDEO MATRIX SWITCH
AR- Read Mute and Volume for Audio Output Port
Command:
Byte 1
Byte 2
Byte 3
'A'
'R'
Space
(0x41)
(0x52)
(0x20)
Response:
Byte 1
Byte 2
Byte 3
'a'
'r'
Space
(0x61)
(0x72)
(0x20)
Byte 10
Byte 11
Volume – 1st digit
Volume – 2nd digit
(0x30...0x32)
(0x30...0x39)
This command will read the volume and mute status of the desired audio output port. The response returns the audio output port
and its mute status and volume.
Byte 4
Output – first digit
Output – second digit
(0x30...0x32)
Byte 4
Byte 5
Output – 1st digit
Output – 2nd digit
(0x30...0x32)
(0x30...0x39)
Byte 12
<CR>
(0x0D)
Byte 5
Byte 6
<CR>
(0x30...0x39)
(0x0D)
Byte 6
Byte 7
','
'0'
(0x2C)
(0x30)
21
Byte 8
Byte 9
Mute Status
','
(0x30 or 0x31)
(0x2C)
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