Communication Parameters - LG M1994D 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. Balance
1 4. Colour Temperature
1 5. Abnormal Status
1 6. Auto Configure
1 7 . Equalize
1 8. Tune Command
19. Channel Add/Skip
20. Key
21. Control Backlight
22. Input select (Main)
* When setting 15 ~ 22, a menu does not appear on screen.
92
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. 93
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 t 00 ~ 64
k u 00 ~ 02
k z 00 ~ 09
j u
j v Refer to p. 95
m a Refer to p. 96
m b 00 ~ 01
m c Key Code
m g 00 ~ 64
x b Refer to p. 96
Transmission / Receiving Protocol
Transmission
[Command1][Command2][ ][Set ID][ ][Data][Cr]
* [Command 1] : First command to control the TV.
* [Command 2] : Second command to control the TV.
* [Set ID]
* [DATA]
* [Cr]
* [ ]
01
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 in data read mode, it indicates present sta-
tus data. If the data is in 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.
(j, k, m or x)
: 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 set is controlled.
Set ID is indicated as decimal (1~99)
on menu and as Hexa decimal
(0x0~0x63) on transmission/
receiving protocol.
: To transmit command data.
Transmit 'FF' data to read status of
command.
: Carriage Return
ASCII code '0x0D'
: ASCII code 'space (0x20)'