Communication Parameters - LG 32SL8 Series Owner's Manual

APPENDIX

Communication Parameters

Baud rate : 9600 bps ( UART )
A
Data length : 8 bits
A
Parity : None
A
Command Reference List
01. Power
02. Aspect Ratio
03. Screen Mute
04. Volume Mute
05. Volume Control
06. Contrast
07 . Brightness
08. Colour
09. Tint
10. Sharpness
1 1. OSD Select
1 2. Remote control lock mode k
1 3. Treble
1 4. Bass
1 5. Balance
1 6. Colour Temperature
1 7 . Energy Saving
1 8. Auto Configuration
19. Tune Command
20. Programme Add/Skip m
21. Key
22. Control Back Light
23. Input select (Main)
* When setting the 17 ~ 23, a menu does not appear on screen.
* 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.
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Stop bit : 1 bit
A
Communication code : ASCII code
A
Use a crossed (reverse) cable.
A
COMMAND COMMAND DATA
1 2
(Hexadecimal)
k a 00 ~ 01
k c Refer to p. 1 13
k d 00 ~ 01
k e 00 ~ 01
k f 00 ~ 64
k g 00 ~ 64
k h 00 ~ 64
k i 00 ~ 64
k j 00 ~ 64
k k 00 ~ 64
k l 00 ~ 01
m 00 ~ 01
k r 00 ~ 64
k s 00 ~ 64
k t 00 ~ 64
k u 00 ~ 02
j q 00 ~ 04
j u 01
m a Refer to p. 1 15
b 00 ~ 01
m c Key C ode
m g 00 ~ 64
x b Refer to p. 1 16
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 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.
Data 00: Illegal Code