Transmission / Receiving Protocol - LG ET96 Series Installation Manual

Transmission / Receiving Protocol

(Depending on Model)
Transmission
[Command1][Command2][ ][Set ID][ ][Data][Cr]
[Command1] : First command to control the TV. (j, k, m or x)
[Command2] : Second command to control the TV.
[Set ID] : You can adjust the set ID to choose desired monitor ID number
in option menu. Adjustment range is 1 to 99. When selecting Set ID
'0' , every connected set is controlled. Set ID is indicated as decimal (1
to 99) on menu and as Hexa decimal (0 x 0 to 0 x 63) on transmission/
receiving protocol.
[Data] : To transmit command data. Transmit 'FF' data to read status of
command.
[Cr] : Carriage Return
ASCII code '0 x 0D'
[ ] : ASCII code 'space (0 x 20)'
OK Acknowledgement
[Command2][ ][Set ID][ ][OK][Data][x]
* The set transmits ACK (acknowledgement) based on this format
when receiving normal data. At this time, if the data is data read
mode, it indicates present status data. If the data is data write mode,
it returns the data of the PC computer.
Error Acknowledgement
[Command2][ ][Set ID][ ][NG][Data][x]
* The set transmits ACK (acknowledgement) based on this format
when receiving abnormal data from non-viable functions or commu-
nication errors.
Data 00 : Illegal Code
1 Power (Command: k a)
► To control Power On/Off of the set.
Transmission
[k][a][ ][Set ID][ ][Data][Cr]
Data 00 : Off
Data 01 : On
Ack
[a][ ][Set ID][ ][OK/NG][Data][x]
► To Show TV is Power On/Off.
Transmission
[k][a][ ][Set ID][ ][FF][Cr]
Ack
[a][ ][Set ID][ ][OK/NG][Data][x]
* Similarly, if other functions transmit '0 x FF' data based on this for-
mat, Acknowledgement data feed back presents status about each
function.
* OK Ack., Error Ack. and other message may display on the screen
when TV is power On.
2 Aspect Ratio (Command: k c) (Main Picture Size)
► To adjust the screen format. (Main picture format) You can also adjust
the screen format using the picture settings.
Transmission
[k][c][ ][Set ID][ ][Data][Cr]
Data 01 : 4:3 (Normal screen - Just Scan Off)
Data 02 : 16:9 (Wide screen - Just Scan Off)
Data 06 : Original (Just Scan Off)
Data 09 : Just Scan
Ack
[c][ ][Set ID][ ][OK/NG][Data][x]
* Using the PC input, you select either 16:9 or 4:3 screen aspect ratio.
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