APPENDIX

Communication Parameters

A Baud rate : 9600 bps (UART)

A Stop bit : 1 bit

A Data length : 8 bits

A Communication code : ASCII code

A Parity : None

A Use a crossed (reverse) cable.

Transmission / Receiving Protocol

Transmission

APPENDIX

Command Reference List

COMMAND COMMAND

DATA

 

1

2

(Hexadecimal)

 

 

 

 

 

01. Power

k

a

00

~ 01

02. Aspect Ratio

k

c Refer to p. 155

03. Screen Mute

k

d

00

~ 01

04. Volume Mute

k

e

00

~ 01

05. Volume Control

k

f

00

~ 64

06. Contrast

k

g

00

~ 64

07. Brightness

k

h

00

~ 64

08. Colour

k

i

00

~ 64

09. Tint

k

j

00

~ 64

10. Sharpness

k

k

00

~ 64

11. OSD Select

k

l

00

~ 01

12. Remote control lock mode

k

m

00

~ 01

13. Treble

k

r

00

~ 64

14. Bass

k

s

00

~ 64

15. Balance

k

t

00

~ 64

16. Colour Temperature

k

u

00

~ 02

17. ISM Method

j

p

Refer to p. 157

18. Energy Saving

j

q

00

~ 04

19. Auto Configuration

j

u

01

 

20. Tune Command

m

a

Refer to p. 157

21. Programme Add/Skip

m

b

00

~ 01

22. Key

m

c

Key C ode

23. Control Back Light

m

g

00

~ 64

24. Input select (Main)

x

b Refer to p. 158

 

 

 

 

 

[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 ~ 99.

 

 

When selecting Set ID ‘0’, every connect-

 

 

ed set is controlled.

 

 

Set ID is indicated as decimal (1~99) on

 

 

menu and as Hexa decimal (0x0~0x63)

 

 

on transmission/receiving protocol.

*

[DATA]

: To transmit command data.

 

 

Transmit ‘FF’ data to read status of com-

 

 

mand.

*

[Cr]

: Carriage Return

 

 

ASCII code ‘0x0D’

*

[ ]

: ASCII code ‘space (0x20)’

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.

*When setting the 17 ~ 24, a menu does not appear on screen. Data 00: Illegal Code

*Note : During USB operations such as Dvix or EMF, all com- mands except Power(ka) and Key(mc) are not executed and treated as NG.

154

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LG Electronics 2222LLUU4400, 3377LLHH4400, 3377LLHH3300 154, Transmission / Receiving Protocol, Command Reference List
Page 155 Page 157

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