User's Manual

45
5 Serial Port Control
Connect RS-232 port to the PC or controlling device. Enable RS-232 serial port connection
and complete the following configuration.
Port: COM1 (Set according to PC or controlling device’s port number)
Bit rate
19200
Odd/even
check
None
Data bits
8
Stop bit
1
The following table lists the button controlling code and return code.
Function
Controlling codes
Return codes
Power on
7F 08 99 A2 B3 C4 02 FF 01 00 CF
7F 09 99 A2 B3 C4 02 FF 01 00 01
CF 00
Power off
7F 08 99 A2 B3 C4 02 FF 01 01 CF
7F 09 99 A2 B3 C4 02 FF 01 01 01
CF
Mute
7F 08 99 A2 B3 C4 02 FF 01 02 CF
7F 09 99 A2 B3 C4 02 FF 01 02 01
CF
Signal
source
7F 08 99 A2 B3 C4 02 FF 01 06 CF
7F 09 99 A2 B3 C4 02 FF 01 06 01
CF
Start the
whiteboard
7F 08 99 A2 B3 C4 02 FF 01 07 CF
7F 09 99 A2 B3 C4 02 FF 01 07 01
CF
Display
status
7F 08 99 A2 B3 C4 02 FF 01 09 CF
7F 09 99 A2 B3 C4 02 FF 01 09 01
CF
HDMI Front
7F 08 99 A2 B3 C4 02 FF 01 0A CF
7F 09 99 A2 B3 C4 02 FF 01 0A 01
CF
HDMI Rear
7F 08 99 A2 B3 C4 02 FF 01 0B CF
7F 09 99 A2 B3 C4 02 FF 01 0B 01
CF
Internal PC
7F 08 99 A2 B3 C4 02 FF 01 38 CF
7F 09 99 A2 B3 C4 02 FF 01 38 01
CF