LG 50LX330C : Owner's Manual : Page 29

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Transmission / Receiving Protocol

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 in TV is 1 to 99. If [Set ID] value is selected to ‘0’, every connected set

can be controlled.

* [Set ID] is indicated as decimal (1 to 99) on menu and as Hexadecimal (0 x 00 to 0 x 63)

on transmission/receiving protocol.

[DATA] To transmit command data (hexadecimal). Transmit ‘FF’ data to read status of command.

[Cr] Carriage Return - ASCII code ‘0 x 0D’

[ ] Space – ASCII code ‘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 communication errors.

Data 00: Illegal Code

Real data mapping (Hexadecimal : Decimal)

* When you enter the [data] in hexadecimal, refer to following conversion table.

* Channel Tune (ma) Command uses two-byte hexadecimal value([data]) to select channel number.