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Volume control
z Function
The volume of a TV/monitor can be adjusted using a PC.
z Viewing volume state (Get Volume Status)
z Setting the volume (Set Volume)
"Volume": Volume value code to be set on a TV/monitor (0-100)
z Ack
"Volume": Volume value code to be set on a TV/monitor (0-100)
z Nak
"ERR": A code showing what error has occurred
Header Command
ID
Data length
Checksum
0xAA 0x12 0
Header Command
ID
Data length Data
Checksum
0xAA 0x12 1 "Volume"
Header
Command
ID
Data length Ack/Nak r-CMD Val1
Checksum
0xAA 0xFF 3 ‘A’ 0x12 "Volume"
Header
Command
ID
Data length Ack/Nak r-CMD Val1
Checksum
0xAA 0xFF 3 ‘N’ 0x12 "ERR"