Compact Scaler Switcher
Comm-Tec S.r.l. 21 www.comm-tec.it
4.3.3 RS232 Communication Commands
Communication protocol: RS232 Communication Protocol
Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none
Switch to 1-HDMI/MHL input
Set the signal format to VGA for 5-
VGA input
Input 5 Set & Switch to VGA
Set the signal format to YPbPr for 5-
VGA input
Input 5 Set & Switch to YPbPr
Set the signal format to AV(C-video)
for 5-VGA input
Input 5 Set & Switch to AV
Increase the volume of source audio
Source Volume: xx (xx=00~60)
Decrease the volume of source audio
Source Volume: xx (xx=00~60)
Increase the volume of MIC audio
MIC Volume: xx (xx=00~60)
Decrease the volume of MIC audio
MIC Volume: xx (xx=00~60)
Set the volume of MIC audio
MIC Volume: xx (xx=00~60)