Mixing Audio Amplifier
DI-040-41920-25A
6. Communication Protocol and Command Codes
Communication Protocol
: RS232 Communication Protocol
Baud rate
: 9600
Data bit
: 8
Stop bit
: 1
Parity bit
: none
Command
Function Description
Feedback Code
1A1.
Switching the audio to input 1
A: 1 -> 1
2A1.
Switching the audio to input 2
A: 2 -> 1
0A0.
Mute Audio of MIC and Line out
Mute Audio
1A0.
Mute audio of MIC
Mute MIC
2A0.
Mute audio of line out
Mute LIN
0A1.
Unmute Audio
Unmute Audio
600%
Checking the status
A: 1 -> 1
Volume: 30
Bass: 00
Treble: 00
601%
MIC volume up
Volume of MIC: 51
602%
MIC volume down
Volume of MIC: 51
603%
Line volume up
Volume of LINE: 51
604%
Line volume down
Volume of LINE: 51
605%
Bass level up
Bass of LINE: 04
606%
Bass level down
Bass of LINE: 04
607%
Treble level up
Treble of LINE: 04
608%
Treble level down
Treble of LINE: 04
609%
Initialization, back to the default setting
A: 1 -> 1
Volume: 50
Bass: 04
Treble: 04
5xx%
Preset MIC volume, xx ranges from 00 to
60.
Volume of MIC: 50
61 steps in total.