Products; Transmission/Reception Protocol - LG 98TR3PJ-B Owner's Manual

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Transmission/Reception Protocol

Transmission
(Start)(Set ID)(Type)(Command)(Data)(Cr)
* (Start): This is a commend to start the RS-232C control and starts with 0 x 3A.
* (Set ID): This is to select the set to be controlled, and the Set ID is fixed to 01 (30 31).
* (Type): The command is to set the function or check the status of it. (Settings: 0 x 53/Check: 0 x 47)
* (Command): This command is to control the set.
* (Data): Transmits command data.
Acknowledgement
Set success (Success)
Reply: 34 30 31 2B 0D
Set fail (Fail)
Reply: 34 30 31 2D 0D
* ACK (acknowledgment) is sent in this format depending on the processing status of the command inputted to the
product.
* When the Type value is sent as 0x47 to check the setting value of the function, the value of the Data should be sent
as 000 (30 30 30).