LG 47WV30 Owner's Manual page 60

A4
CONTROLLING THE MULTIPLE PRODUCT
Transmission / Receiving Protocol
01. Power (Command : k a)
To control Power On / Off of the display.
Transmission
[k][a][ ][Set ID][ ][Data][Cr]
Data 00 : Power Off
01 : Power On
Acknowledgement
[a][ ][Set ID][ ][OK/NG][Data][x]
* In a like manner, if other functions transmit 'FF'
data based on this format, Acknowledgement data
feedback presents status about each function.
* Note: In this modes, display will send the
acknowledgement after power on processing
completion. There might be a time delay between
command and acknowledgement.
* Refer to 'Real data mapping' for hexadecimal data
to decimal data.
02. Input Select (Command : x b)
To select input source for display.
Transmission
[x][b][ ][Set ID][ ][Data][Cr]
Data 40: Component
60: RGB PC
90: HDMI
91: DVI
Acknowledgement
[b][ ][Set ID][ ][OK/NG][Data][x]
* Use this feature depending on your model
03. Aspect Ratio (Command : k c)
To adjust the screen format.
Transmission
[k][c][ ][Set ID][ ][Data][Cr]
Data 01: 4:3
02: 16:9
04: Zoom
09: Just scan(720p or more)
10 to 1F: Cinema Zoom 1 to 16
Acknowledgement
[c][ ][Set ID][ ][OK/NG][Data][x]
04. Volume Mute (Command : k e)
To select screen mute on/off.
Transmission
[k][e][ ][Set ID][ ][Data][Cr]
Data 0 : Volume Mute On (Volume Off)
1 : Volume Mute Off (Volume On)
Acknowledgement
[e][ ][Set ID][ ][OK/NG][Data][x]
05. Volume Control(Command : k f)
To adjust volume.
You can also adjust volume with the volume buttons
on remote control.
Transmission
[k][f][ ][Set ID][ ][Data][Cr]
Data 00 to 64: Volume 0 to 100
* Refer to 'Real data mapping' for hex decimal value.
Acknowledgement
[f][ ][Set ID][ ][OK/NG][Data][x]
06. Contrast (Command: k g)
To adjust screen contrast.
You can also adjust contrast in the PICTURE menu.
Transmission
[k][g][ ][Set ID][ ][Data][Cr]
Data 00 to 64: Contrast 0 to 100
Acknowledgement
[g][ ][Set ID][ ][OK/NG][Data][x]