Controlling Multiple Set
RS-232C
A20
33. Auto volume (Command: d u)
► Automatically adjust the volume level.
Transmission
Data 0: Off
1: On
Acknowledgement
34. Speaker (Command: d v)
► Turn the speaker on or off.
Transmission
Data 0: Off
1: On
Acknowledgement
Transmission / Receiving Protocol
[d][u][][Set ID][][Data][x]
[u][][Set ID][][OK/NG][Data][x]
[d][v][][Set ID][][Data][x]
[v][][Set ID][][OK/NG][Data][x]