Communication Parameters; Command Reference List - LG 42PT2 Owner's Manual

aPPENdix

COmmuNiCaTiON ParamETErS

■ Baud rate : 9600 bps ( UART )
■ Data length : 8 bits
■ Parity : None

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
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.
* [Command 2] : Second command to control the set.
* [Set ID]
* [DATA]
* [Cr]
* [ ]
84
COMMAND COMMAND
1 2
k a
k c
k d
k e
k f
k g
k h
k i
k j
k k
k l
k m
k t
(j, k, m or x)
: 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.
: To transmit command data.
Transmit 'FF' data to read status of
command.
: Carriage Return
ASCII code '0x0D'
: ASCII code 'space (0x20)'
■ Stop bit : 1 bit
■ Communication code : ASCII code
■ Use a crossed (reverse) cable.
DATA
(Hexadecimal)
00 to 01 14. Colour Temperature
Refer to p. 85 15. Treble
Refer to p. 85 16. Bass
00 to 01 17. Abnormal Status
00 to 64 18. ISM Method
00 to 64 19. Auto Configure
00 to 64 20. Eneregy Saving
00 to 64 21. Tune Command
00 to 64 22. Channel Skip
00 to 64 23. Key
00 to 01 24. Input select (Main)
00 to 01
00 to 64
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 COMMAND DATA
1 2 (Hexadecimal)
x u 00 to
k r 00 to 64
k s 00 to 64
k z FF
j p Refer to p. 87
j u 01
j q Refer to p. 87
m a Refer to p. 88
m b 00 to 01
m c Refer to p. 88
x b Refer to p. 89
64