LG US670H Pro:Centric 4K HDR SmLED Hospitality TV (43") - Manuel (Page 35)

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ENGLISH
TRANSMISSION / RECEIVING PROTOCOL
* (Depending upon 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 (0 x 0 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.
00: Step 0 32: Step 50 ([Set ID] 50) FE: Step 254
01: Step 1 ([Set ID] 1) 33: Step 51 ([Set ID] 51) FF: Step 255
... ... ...
0A: Step 10 ([Set ID] 10) 63: Step 99 ([Set ID] 99) 01 00: Step 256
... ... ...
0F: Step 15 ([Set ID] 15) C7: Step 199 27 0E: Step 9998
10: Step 16 ([Set ID] 16) C8: Step 200 27 0F: Step 9999
... ... ...