LG M5201CCBA User Manual page 37

Controlling the Multiple Product
RS-232C
Transmission / Receiving Protocol
03. Aspect Ratio(Command : c) (Main picture format)
To adjust the screen format.
You can also adjust the screen format using the ARC
(Aspect Ratio Control) button on remote control or in the
Screen menu.
Transmission
[k][c][ ][Set ID][ ][Data][Cr]
Data 1 : Normal Screen (4:3)
2 : Wide Screen (16 :9)
3 : Horizon (Spectacle)
4 : Zoom1
Acknowledgement
[c][ ][Set ID][ ][OK][Data][x]
04. Screen Mute(Command : d)
To select screen mute on/off.
Transmission
[k][d][ ][Set ID][ ][Data][Cr]
Data 0 : Screen mute off (Picture on)
1 : Screen mute on (Picture off)
Acknowledgement
[d][ ][Set ID][ ][OK][Data][x]
5 : Zoom2
6 : Original
7 : 14 : 9
8 : Full
(Europe version only)
9 : 1 : 1 (PC)
A5