Transmission / Receiving Protocol - LG 42VX30MS Owner's Manual

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CONTROLLING THE MULTIPLE PRODUCT

Transmission / Receiving protocol

Transmission
[Command1][Command2][ ][Set ID][ ][Data][Cr] or
[Command1][Command2][ ][Set ID][ ][Data1][ ][Data2][ ][Data3][Cr]
* [Command1]: First command to control the set.
* [Command2]: Second command to control the set.
* [Set ID]: S et ID with which you want to communicate. Etner [Set ID] = '00(0x00' to communicate with all sets
regardless of their Set ID numbers.
* [Data]: Information passed to the set.
* [Data1]: Information passed to the set.
* [Data2]: Information passed to the set.
* [Data3]: Information passed to the set.
* [Cr]: Carriage Return. ASCII code '0x0D'.
* [ ]: ASCII code space '0x20'
Acknowledgement
[Command2][ ][Set ID][ ][OK/NG][Data][x] or
[Command2][ ][Set ID][ ][OK/NG][Data1][Data2][Data3][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 mode, 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.
* No acknowledgement signal will be sent from display, if Set ID in transmission signal is set to '00'(=0x00).