RS232 Communication Protocol

Baud rate: 9600 - Data bit: 8 - Stop bit: 1 -Parity bit: none

Command	Function Description	Feedback Code
1A1.	Switching audio input to input 1	A : 1 -> 1
2A1.	Switching audio input to input 2	A : 2 -> 1

0A0.	Mute the Audio	Mute Audio
0A1.	UnMute the Audio	UnMute Audio
1A0.	Mute the Mic audio	Mute Mic
2A0.	Mute the Line Out audio	Mute LIN
600%	Current Status of the PA100	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 volume up	Bass of LINE : 04
606%	Bass volume down	Bass of LINE : 04
607%	Treble volume up	Treble of LINE : 04
608%	Treble volume down	Treble of LINE : 04
609%	Reset to default settings	A : 1 -> 1
		Volume : 50
		Bass 07
		Treble 07
5[x][x]%	Preset MIC volume, [xx] is set from [00] to [60]. 61 degrees in total	Volume of MIC : 50
7[x][x]%	Preset line volume, [xx] is set from [00] to [60]. 61 degrees in total	Volume of LINE : 50
8[x][x]%	Preset bass volume, [xx] is set from [00] to [08]. 9 degrees in total	Bass of LINE : 04
9[x][x]%	Preset treble volume, [xx] is set from [00] to [08]. 9 degrees in total	Treble of LINE : 04

Notice:

1:The characters inside bracket [ ] are the variable code, which is the changeable.

2:The bracket [ ] is not included in the RS232 commands.

Example 1: Switching the input 2 to the line-out should be [2A1.]

Example 2: Turning up the volume of the line audio should be [603%]

Example 3: Preset the MIC volume to be “21” degree should be [521%]

Example 4: Checking the current status of the PA100 should be [600%]

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