LG M5520C Owner's Manual page 67

RS-232C
Transmission / Receiving Protocol
18. Auto Configure(Command: j u)
To adjust picture position and minimize image shaking
automatically. it works only in RGB(PC) mode.
Transmission
Data 1 : To set
Acknowledgement
19. Key(Command : m c)
To send IR remote key code.
Transmission
Data Key code : Refer to page A 32.
Acknowledgement
Controlling the Multiple Product
A13