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Communication Parameters - LG 42LF5500 Safety And Reference

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Communication Parameters

Baud rate : 9600 bps (UART)
Data length : 8 bits
Parity : None
Command reference list
(Depending on model)
COMMAND1 COMMAND2
01. Power*
k
02. Aspect
k
Ratio
03. Screen
k
Mute
04. Volume
k
Mute
05. Volume
k
Control
06. Contrast
k
07.
k
Brightness
08. Color/
k
Colour
09. Tint
k
10.
k
Sharpness
11. OSD
k
Select
12. Remote
Control Lock
k
Mode
13. Treble
k
14. Bass
k
* 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.
DATA
(Hexadecimal)
a
00 to 01
c
(p.7)
d
(p.7)
e
00 to 01
f
00 to 64
g
00 to 64
h
00 to 64
i
00 to 64
j
00 to 64
k
00 to 32
l
00 to 01
m
00 to 01
r
00 to 64
s
00 to 64
EXTERNAL CONTROL DEVICE SETUP
Stop bit : 1 bit
Communication code : ASCII code
Use a crossed (reverse) cable.
COMMAND1 COMMAND2
15. Balance
k
16. Color
(Colour)
x
Temperature
17. ISM
Method (Only
j
Plasma TV)
18. Equalizer j
19. Energy
j
Saving
20. Tune
m
Command
21. Channel
m
(Programme)
Add/Del(Skip)
22. Key
m
23. Control
m
Backlight,
Control Panel
Light
24. Input
x
select (Main)
25. 3D (Only
x
3D models)
26. Extended
x
3D (Only 3D
models)
27. Auto
j
Configure
DATA
(Hexadecimal)
t
00 to 64
u
00 to 64
p
(p.8)
v
(p.8)
q
00 to 05
a
(p.9)
b
00 to 01
c
Key Codes
g
00 to 64
b
(p.11)
t
(p.11)
v
(p.11)
u
(p.12)
5 5

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