Controlling the multiple product, Rs-232c, Transmission / receiving protocol – LG M4210C-BA User Manual
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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) 5 : Zoom2
2 : Wide Screen (16 :9) 6 : Original 
3 : Horizon (Spectacle) 7 : 14 : 9
4 : Zoom1 8 : Full 
(Europe version only)
9 : 1 : 1 (PC)
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]
Controlling the Multiple Product
RS-232C
A5
Transmission / Receiving Protocol
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