LG M4210N-B10 User Manual page 40

Controlling the Multiple Product
RS-232C
Transmission / Receiving Protocol
01. Power On(Command : a)
To control Power On/Off of the Set.
Transmission
[k][a][ ][Set ID][ ][Data][Cr]
Data 0 : Power Off
Acknowledgement
[a][ ][Set ID][ ][OK][Data][x]
To show the status of Power On/Off.
Transmission
[k][a][ ][Set ID][ ][FF][Cr]
Data 0 : Power Off
Acknowledgement
[a][ ][Set ID][ ][OK][Data][x]
* The Product transmits ACK (acknowledgement) based on
this format when receiving normal data. At this time, if the
data is data read mode, it indicates present status data. If
the data is data write mode, it returns the data of the PC
computer.
02. Input Select(Command : b) (Main Picture Input)
To select input source for the Set.
You can also select an input source using the INPUT
button on the remote control.
Transmission
[k][b][ ][Set ID][ ][Data][Cr]
Data 0 : RGB
1 : DVI
Acknowledgement
[b][ ][Set ID][ ][OK][Data][x]
1 : Power On ff: Read Status
1 : Power On ff: Read Status
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