LG 42LH2 Series Owner's Manual page 94

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
12. Remote Control Lock
/Key Lock Mode
Transmission / Receiving Protocol
T T r r a a n n s s m m i i s s s s i i o o n n
[ [ C C o o m m m m a a n n d d 1 1 ] ] [ [ C C o o m m m m a a n n d d 2 2 ] ] [ [ ] ] [ [ S S e e t t I I D D ] ] [ [ ] ] [ [ D D a a t t a a ] ] [ [ C C r r ] ]
[Command 1] : First command to control the set.
[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
When selecting Set ID '0' , every connected TV is
controlled. Set ID is indicated as decimal ( 1
on menu and as Hexa decimal ( 0x0
transmission/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)'
92
Stop bit : 1 bit
A
Communication code : ASCII code
A
Use a crossed (reverse) cable.
A
C C O O M M M M A A N N D D 1 1 C C O O M M M M A A N N D D 2 2
(Hexadecimal)
00 to 01
k a
k c Refer to p.93
k d Refer to p.93
k e 00 to 01
00 to 64
k f
k g 00 to 64
00 to 64
k h
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
(j,k,m or x)
to 0x63 ) on
DATA
13. Balance
14. Colour Temperature
15. Abnormal Status
16. Auto Configure
17 . Channel Add/Del
18. Key
19. Input select (Main)
20. Control Back Light
21. Energy Saving
22. Tune Command
23. Treble
24. Bass
O O K K A A c c k k n n o o w w l l e e d d g g e e m m e e n n t t
[ [ C C o o m m m m a a n n d d 2 2 ] ] [ [ ] ] [ [ S S e e t t I I D D ] ] [ [ ] ] [ [ O O K K ] ] [ [ D D a a t t a a ] ] [ [ x x ] ]
The TV transmits ACK (acknowledgement) based on this for-
mat 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.
to
99.
to
99 )
E E r r r r o o r r A A c c k k n n o o w w l l e e d d g g e e m m e e n n t t
[ [ C C o o m m m m a a n n d d 2 2 ] ] [ [ ] ] [ [ S S e e t t I I D D ] ] [ [ ] ] [ [ N N G G ] ] [ [ D D a a t t a a ] ] [ [ x 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 1 0, 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.
C C O O M M M M A A N N D D 1 1 C C O O M M M M A A N N D D 2 2
(Hexadecimal)
00 to 64
k t
k u 00 to 02
k z
j u
00 to 01
m b
m c Key Code
x b Refer to p.95
m g 00 to 64
j q Refer to p.95
m a Refer to p.96
00 to 64
k r
k s 00 to 64
DATA
FF
01