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Serial Port Control
The RS-232 port of the interactive touch screen is defined as follows:
Connect RS-232 port to the PC or controlling device. Enable RS-232 serial port
connection and complete the following configuration.
The following table lists button controlling codes. The buttons share same functions
with corresponding buttons on the remote controller.
Port Number: COM 1 (Set the value according to the port number of the PC or
controlling device.)
baud rate
19200
Odd/even check
None
Data bit
8
Stop bit
1
Function
Controlling Code
Function
Controlling Code
Power on
7F 08 99 A2 B3 C4 02 FF
01 00 CF
1
7F 08 99 A2 B3 C4 02 FF
01 21 CF
Power off
7F 08 99 A2 B3 C4 02 FF
01 01 CF
2
7F 08 99 A2 B3 C4 02 FF
01 22 CF
Mute
7F 08 99 A2 B3 C4 02 FF
01 02 CF
3
7F 08 99 A2 B3 C4 02 FF
01 23 CF
Sound mode 7F 08 99 A2 B3 C4 02 FF
01 05 CF
4
7F 08 99 A2 B3 C4 02 FF
01 24 CF
Signal
source
7F 08 99 A2 B3 C4 02 FF
01 06 CF
5
7F 08 99 A2 B3 C4 02 FF
01 25 CF
One button
start
7F 08 99 A2 B3 C4 02 FF
01 07 CF
6
7F 08 99 A2 B3 C4 02 FF
01 26 CF
Display
status
7F 08 99 A2 B3 C4 02 FF
01 09 CF
7
7F 08 99 A2 B3 C4 02 FF
01 27 CF
HDMI 1
7F 08 99 A2 B3 C4 02 FF
01 0A CF
8
7F 08 99 A2 B3 C4 02 FF
01 28 CF
HDMI 2
7F 08 99 A2 B3 C4 02 FF
01 0B CF
9
7F 08 99 A2 B3 C4 02 FF
01 29 CF