Communication Parameters - LG 32LG35 Owner's Manual

Communication Parameters

Baud rate : 9600 bps ( UART )
A
Data length : 8 bits
A
Parity : None
A
Command Reference List
COMMAND
1
01. Power k
02. Aspect Ratio k
03. Screen Mute k
04. Volume Mute k
05. Volume Control k
06. Contrast k
07 . Brightness k
08. Colour k
09. Tint k
10. Sharpness k
1 1. OSD Select k
1 2. Remote control lock mode k
1 3. Balance k
1 4. Colour Temperature k
1 5. Red Adjustment k
1 6. Green Adjustment k
1 7 . Blue Adjustment k
1 8. Abnormal Status k
19. ISM Method j
20. Low Power j
21. Auto Configure j
22. Channel Select Command m
23. Send IR Code m
24. Back Light m
25. Input select (Main) x
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Stop bit : 1 bit
A
Communication code : ASCII code
A
Use a crossed (reverse) cable.
A
COMMAND DATA
2
(Hexadecimal)
a 00 ~ 01
c Refer to p. 100
d 00 ~ 01
e 00 ~ 01
f 00 ~ 64
g 00 ~ 64
h 00 ~ 64
i 00 ~ 64
j 00 ~ 64
k 00 ~ 64
l 00 ~ 01
m 00 ~ 01
t 00 ~ 64
u 00 ~ 03
v 00 ~ 50
w 00 ~ 50
$ 00 ~ 50
z 00 ~ a
p Refer to p. 102
q 00 ~ 01
u 01
a Refer to p. 103
c Key Code
g 0 ~ 64
b Refer to p. 103
Transmission / Receiving Protocol
Transmission
[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
connected 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.
* [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 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 TV transmits ACK (acknowledgement) based on
this format when receiving abnormal data from
nonviable functions or communication errors.
Data 01: Illegal Code
02: not support function
03: Wait more time
99