Mini Digital Amplifier, with MIC Mixer and EQ
8
7. RS232 Communication Protocol
Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none
Command
Function Desctription
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 working 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 07
Treble 07
