LG 32LK4 Series Owner's Manual page 105

APPENDIX
COMMUNICATION PARAMETERS
■ Baud rate : 9600 bps ( UART )
■ Data length : 8 bits
■ Parity : None
Command Reference List
COMMAND
01. Power
02. Aspect Ratio
03. Screen Mute
04. Volume Mute
05. Volume Control
06. Contrast
07. Brightness
08. Colour
09. Tint
10. Sharpness
11. OSD Select
12. Remote Control Lock
/ Key Lock Mode
13. Balance
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 to 99.
When selecting Set ID '0', every con-
nected TV is controlled. Set ID is indi-
cated as decimal (1 to 99) on menu and
as Hexa decimal (0x0 to 0x63) on trans-
mission/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)'
■ Stop bit : 1 bit
■ Communication code : ASCII code
■ Use a crossed (reverse) cable.
COMMAND DATA
1 2 (Hexadecimal)
k a 00 to 01
k c Refer to p. 83
k d Refer to p. 83
k e 00 to 01
k f 00 to 64
k g 00 to 64
k h 00 to 64
k i 00 to 64
k j 00 to 64
k k 00 to 64
k l 00 to 01
k m 00 to 01
k t 00 to 64
COMMAND
1
14. Colour Temperature k
15. Treble k
16. Bass k
17. Abnormal Status k
18. Control Back Light m
19. Auto Configure j
20. Eneregy Saving j
21. Tune Command m
22. Channel Skip m
23. Key m
24. Input select (Main) x
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]
TV transmits ACK(acknowledgement) based on this
format when receiving abnormal data form non-viable
functions or communication errors.
[Command 2] : use as command.
[Set ID]: use the small character, if set ID is 10, TV will
send the '0', 'a'
[Data]: use the small character, if data is 0xab, TV will
send the 'a', 'b'.
[NG]: use the large character.
COMMAND DATA
2 (Hexadecimal)
u 00 to 64
r 00 to 64
s 00 to 64
z FF
g Refer to p. 85
u 01
q Refer to p. 85
a Refer to p. 85
b 00 to 01
c Refer to p. 85
b Refer to p. 85
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