LG 22LD350-TA, Owner'S Manual

Page: 218 / 242

178
APPENDIX
AP
PE
N
D
IX
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.
Transmission
* [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 to 99.
When selecting Set ID ‘0’, every con-
nected set is controlled.
Set ID is indicated as decimal (1 to 99)
on menu and as Hexa decimal (0x1 to
0x63) on transmission/receiving proto-
col.
* [DATA]
: To transmit command data.
Transmit ‘FF’ data to read status of com-
mand.
* [Cr]
: Carriage Return
ASCII code ‘0x0D’
* [ ]
: ASCII code ‘space (0x20)’
[Command1][Command2][ ][Set ID][ ][Data][Cr]
OK Acknowledgement
* 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.
[Command2][ ][Set ID][ ][OK][Data][x]
Error Acknowledgement
* The set transmits ACK (acknowledgement) based
on this format when receiving abnormal data from
non-viable functions or communication errors.
[Command2][ ][Set ID][ ][NG][Data][x]
Transmission / Receiving Protocol
Command Reference List
Data 00: Illegal Code
* Note : During USB operations such as DivX or EMF, all
commands except Power(ka) and Key(mc) are not exe-
cuted and treated as NG.
COMMAND
1
COMMAND
2
DATA
(Hexadecimal)
01. Power k a 00 to 01
02. Aspect Ratio k c Refer to p. 179
03. Screen Mute k d Refer to p. 179
04. Volume Mute k e 00 to 01
05. Volume Control k f 00 to 64
06. Contrast k g 00 to 64
07. Brightness k h 00 to 64
08. Colour k i 00 to 64
09. Tint k j 00 to 64
10. Sharpness k k 00 to 64
11. OSD Select k l 00 to 01
12. Remote control lock mode k m 00 to 01
13. Treble k r 00 to 64
14. Bass k s 00 to 64
15. Balance k t 00 to 64
16. Colour Temperature x u 00 to 64
17. Energy Saving j q 00 to 05
18. Auto Configuration j u 01
19. Tune Command m a Refer to p. 181
20. Programme Add/Skip m b 00 to 01
21. Key m c Key Code
22. Control Back Light m g 00 to 64
23. Input select (Main) x b Refer to p. 182