LG M4720C Owner's Manual page 72

RS-232C
Transmission / Receiving Protocol
28. Sound Mode (Command : d y )
To adjust the Sound mode.
Transmission
Data Structure
Mode
Data(Hex)
Standard
01
Music
02
Cinema
03
sport
04
Game
05
Acknowledgement
29. Fan Fault check (Command : d w )
To check the Fan fault of the TV.
Transmission
* The data is always FF(in Hex).
Data ff: Read Status
Acknowledgement
* Data is the status value of the Fan fault.
Data 0: Fan fault
1: Fan OK
2: N/A(Not Avaliable)
Controlling the Multiple Product
A18
A18