APPENDIX

Command Reference List

COMMAND1 COMMAND2

DATA

COMMAND1 COMMAND2

DATA

(Hexadecimal)

(Hexadecimal)

 

 

 

 

01. Power

k

a

0 ~ 1

02. Input Select

k

b

0 ~ 9

03. Aspect Ratio

k

c

(G p.89)

04. Screen Mute

k

d

0 ~ 1

05. Volume Mute

k

e

0 ~ 1

06. Volume Control

k

f

0 ~ 64

07. Contrast

k

g

0 ~ 64

08. Brightness

k

h

0 ~ 64

09. Color

k

i

0 ~ 64

10. Tint

k

j

0 ~ 64

11.

Sharpness

k

k

0 ~ 64

12.

OSD Select

k

l

0 ~ 1

13.

Remote Control

k

m

0 ~ 1

 

Lock Mode

 

 

 

 

14.

Treble

k

r

0 ~ 64

15.

Bass

k

s

0 ~ 64

16.

Balance

k

t

0 ~ 64

17.

Color Temperature

k

u

0 ~ 3

18.

ISM Method

j

p

(G p.90)

19.

Low Power

j

q

0 ~ 1

Plasma TV Model Only

 

COMMAND1

COMMAND2

DATA0

DATA1

DATA2

DATA3

DATA4

DATA5

 

(Hexadecimal)

(Hexadecimal) (Hexadecimal) (Hexadecimal) (Hexadecimal) (Hexadecimal)

 

 

 

20. Channel Tuning

m

a

physical

major

major low

minor high

minor low

attribute

program high

program low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21. Channel Add/Del

m

b

0 ~ 1

 

 

 

 

 

22. Key

m

c

(G p.91)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23. Input Select

x

b

(G p.91)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

APPENDIX

88

Transmission / Receiving Protocol

Transmission

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

[Command 1] : First command to control the set.(j, k, m or x)

[Command 2] : Second command to control the set.

[Set ID] : You can adjust the set ID to choose desired TV ID number in Setup menu. Adjustment range is 1~ 99. When selecting Set ID ‘0’, every connected the TV 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 command.

*In this model, TV will not send the status during the standby mode. [Cr] : Carriage Return

ASCII code ‘0x0D’

[ ] : ASCII code ‘space (0x20)’

OK Acknowledgement

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

The TV transmits ACK (acknowledgement) based on this for- mat 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.

*In this model, TV will not send the status during the standby mode.

*Data Format

[Command 2] : Use as command.

[Set ID] : Use the small character, if set ID is 10, it will send the ‘0’, ‘a’.

[DATA] : Use the small character, if data is 0 x ab, it will send the ‘a’, ‘b’.

[OK] : Use the large character.

*In this model, TV will send the echo, CR, LF with acknowl- edgement message.

*When it send the power on acknowledgement message, it will be like below.

ex) ka 01 01 (CR) (LF) a 01 OK 01 x (CR) (LF)

Error Acknowledgement

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

The TV transmits ACK (acknowledgement) based on this for- mat when receiving abnormal data from non-viable functions or communication errors.

Data1: Illegal Code

Data2: Not supported function

Data3: Wait more time

*In this model, TV will not send the status during the standby mode.

*Data Format

[Command 2] : Use as command.

[Set ID] : Use the small character, if set ID is 10, it will send the ‘0’, ‘a’.

[DATA] : Use the small character, if data is 0 x ab, it will send the ‘a’, ‘b’.

[NG] : Use the large character

*In this model, TV will send the echo, CR, LF with acknowl- edgement message.

*When it send the power on acknowledgement message, it will be like below.

ex) ka 01 01 (CR) (LF) a 01 NG 01 x (CR) (LF)

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LG Electronics 32LC7DC, 37LC7D, 42PC5DC, 50PC5DC owner manual Command Reference List, Transmission / Receiving Protocol

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