LG 55LE7500 User Manual download pdf (Page 214)

178

APPENDIX

Communication Parameters

■ Baud rate : 9600 bps

(

UART

)

■ Data length : 8 bits

■ Parity : None

■ Stop bit : 1 bit

■ Communication code : ASCII code

■ Use a crossed (reverse) cable.

Transmission

[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 con-

nected set is controlled.

Set ID is indicated as decimal (1 to 99)

on menu and as Hexa decimal (0x1 to

0x63) on transmission/receiving proto-

col.

[DATA] : To transmit command data.

Transmit ‘FF’ data to read status of com-

mand.

[Cr] : Carriage Return

ASCII code ‘0x0D’

[ ] : ASCII code ‘space (0x20)’

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

OK Acknowledgement

* 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.

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

Error Acknowledgement

* The set transmits ACK (acknowledgement) based

on this format when receiving abnormal data from

non-viable functions or communication errors.

[Command2][ ][Set ID][ ][NG][Data][x]

Transmission / Receiving Protocol

Command Reference List

Data 00: Illegal Code

* Note : During USB operations such as DivX or EMF, all

commands except Power(ka) and Key(mc) are not exe-

cuted and treated as NG.

COMMAND

DATA

(Hexadecimal)

01. Power k a 00 to 01

02. Aspect Ratio k c Refer to p. 179

03. Screen Mute k d Refer to p. 179

04. Volume Mute k e 00 to 01

05. Volume Control k f 00 to 64

06. Contrast k g 00 to 64

07. Brightness k h 00 to 64

08. Colour k i 00 to 64

09. Tint k j 00 to 64

10. Sharpness k k 00 to 64

11. OSD Select k l 00 to 01

12.

Remote control lock mode

k m 00 to 01

13. Treble k r 00 to 64

14.

Bass

k s 00 to 64

15. Balance k t 00 to 64

16.

Colour Temperature

x u 00 to 64

17. Energy Saving j q 00 to 05

18. Auto Configuration j u 01

19. Tune Command m a Refer to p. 181

20. Programme Add/Skip m b 00 to 01

21. Key m c Key Code

22. Control Back Light m g 00 to 64

23. Input select (Main) x b Refer to p. 182

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