LG 43LX541H User Manual download pdf (Page 39)

ENGLISH

Transmission / Receiving Protocol

(Depending on Model)

Transmission

[Command1][Command2][ ][Set ID][ ][Data][Cr]

[Command 1] : First command to control the TV.(j, k, m or x)

[Command 2] : 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 (0x0 to 0x63) on transmission/receiving

protocol.

[Data] : To transmit command data.Transmit ‘FF’ data to read status of

command.

[Cr] : Carriage Return

ASCII code ‘0x0D’

[ ] : ASCII code ‘space (0x20)’

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 communication

errors.

Data 00 : Illegal Code

01. Power (Command: k a)

► To control Power On/Off of the set.

Transmission

[k][a][ ][Set ID][ ][Data][Cr]

Data 00 : Power Off 01 : Power 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 ‘0xFF’ data based on this

format, 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.

02. 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 Aspect Ratio in the PICTURE

menu.

Transmission

[k][c][ ][Set ID][ ][Data][Cr]

Data 01 : Normal screen (4:3)

(Just Scan Off)

02 : Wide screen (16:9)

(Just Scan Off)

09 : Just Scan

06 : Original (Just Scan Off)

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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LG 43LX541H User Manual Page 39

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