LG 49LX761H - Page 29

ENGLISH
21
Type of connector :
D-Sub 9-Pin male
No. Pin name
1 3.5V
2 RXD (Receive data)
3 TXD (Transmit data)
4 IR OUT from TV
5 GND
6 No Connection
7 5V available
8 No Connection
9 12V available
1
6
5
9
RS-232C
(Serial port)
RS-232C configurations
7-Wire Configurations
(Standard RS-232C cable)
3-Wire Configurations
(Not standard)
PC TV
RXD
2
3
TXD
TXD
3
2
RXD
GND
5
5
GND
DTR
4
6
DTR
DSR
6
4
DSR
RTS
7
8
RTS
CTS
8
7
CTS
D-Sub 9 D-Sub 9
PC TV
RXD
2
3
TXD
TXD
3
2
RXD
GND
5
5
GND
DTR
4 6
DTR
DSR
6 4
DSR
RTS
7 8
RTS
CTS
8 7
CTS
D-Sub 9 D-Sub 9
Set ID
For Set ID number, see "Real Data Mapping".
1. Press SETTINGS to access the main menus.
2. Press the Navigation buttons to scroll to GENERAL and press OK.
3. Press the Navigation buttons to scroll to SET ID and press OK.
4. Scroll left or right to select a set ID number and select CLOSE. The adjustment range is 1-99.
5. When you are finished, press EXIT.
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.
Command reference list
(Depending on model)
COMMAND1 COMMAND2
DATA
(Hexadecimal)
COMMAND1 COMMAND2
DATA
(Hexadecimal)
01. Power* k a 00 to 01 15. Balance k t 00 to 64
02. Aspect
Ratio
k c (p.23)
16. Color
(Colour)
Temperature
x u 00 to 64
03. Screen
Mute
k d (p.23)
17. ISM
Method (Only
Plasma TV)
j p (p.25)
04. Volume
Mute
k e 00 to 01 18. Equalizer j v (p.25)
05. Volume
Control
k f 00 to 64
19. Energy
Saving
j q 00 to 05
06. Contrast k g 00 to 64
20. Tune
Command
m a (p.25)
07.
Brightness
k h 00 to 64
21. Channel
(Programme)
Add/Del(Skip)
m b 00 to 01
08. Color/
Colour
k i 00 to 64 22. Key m c Key Codes
09. Tint k j 00 to 64
23. Control
Backlight,
Control Panel
Light
m g 00 to 64
10.
Sharpness
k k 00 to 32
24. Input
select (Main)
x b (p.27)
11. OSD
Select
k l 00 to 01
25. 3D (Only
3D models)
x t (p.28)
12. Remote
Control Lock
Mode
k m 00 to 01
26. Extended
3D (Only 3D
models)
x v (p.28)
13. Treble k r 00 to 64
27. Auto
Configure
j u (p.29)
14. Bass k s 00 to 64
* Note: During playing or recording media, all commands except Power (ka) and Key (mc) are not executed
and treated as NG.
With RS232C cable, TV can communicate ka command in power-on or power-off status. but with
USB-to-Serial converter cable, the command works only if TV is on.