Controlling the Multiple Monitors

Command Reference List

 

COMMAND1

COMMAND2

DATA(Hexa)

01. Power

k

a

 

0, 1

02. Contrast

k

g

0

-

64

03. Brightness

k

h

0

-

64

04. Color

k

u

 

0, 2

 

 

 

 

 

 

Transmission / Receiving Protocol

Transmission

[Command1][Command2][ ][Set ID][ ][Data][Cr]

*[Command 1]: First command.

*[Command 2]: Second command.

*[Set ID]: You can adjust the set ID to choose desired monitor ID number in Setup menu. Adjustment range is 0~ 99. When selecting Set ID ‘0’, every connected monitor set is controlled. Set ID is indicated as decimal (0~99) on menu and as Hexa decimal (0x0~0x63)

on transmission/receiving protocol.

*[DATA]: To transmit command data.

Transmit 'FF' data to read status of command.

*[Cr]: Carriage Return ASCII code ‘0x0D’

*[ ]: ASCII code Space (0x20)’

OK Acknowledgement

[Command2][ ][Set ID][ ][OK][Data][x]

*The Monitor 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 Monitor transmits ACK (acknowledgement) based on this format when receiving abnormal data from non-viable functions or communication errors.

Data 1: Illegal Code

2:Not supported function

3:Wait more time

A21

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LG Electronics L1730SF manual Command Reference List