Transmission / Receiving Protocol; Error Acknowledgement - LG 65WT980H Manual

Transmission / Receiving Protocol

(Depending on Model)
Transmission
(Command1)(Command2)( )([Set ID])( )([Data])(Cr)
(Command1) : First command to control the TV. (j, k, m or x)
(Command2) : 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. Transmit 'FF' data to read status
of command.
(Cr) : Carriage Return
ASCII code '0 x 0D'
( ) : ASCII code 'space (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
6
1 Power (Command: k a)
►To control Power On/Off of the set.
Transmission
(k)(a)( )([Set ID])( )([Data])(Cr)
[Data] 00 : [Off]
[Data] 01 : [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 '0 x FF' 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.
2 [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 picture settings.
Transmission
(k)(c)( )([Set ID])( )([Data])(Cr)
[Data] 01 : [4:3] (Normal screen - [Just Scan] Off)
[Data] 02 : [16:9] (Wide screen - [Just Scan] Off)
[Data] 06 : [Original] ([Just Scan] Off)
[Data] 09 : [Just Scan]
* Please make sure that the model doesn't support both Vertical Zoom
and All-Direction Zoom mode.
Ack
(c)( )([Set ID])( )(OK/NG)([Data])(x)
* Using the PC input, you select either 16:9 or 4:3 screen aspect ratio.