LG Electronics 42LB5D Flat Panel Television User Manual


 
APPENDIX
98
APPENDIX
IR CODES
Configuration of frame
1st frame
Repeat frame
Lead code
Repeat code
BBiitt ddeessccrriippttiioonn
FFrraammee iinntteerrvvaall:: TTff
The waveform is transmitted as long as a key is depressed.
C0
C1
C2
C3
C4
C5
C6
C
7
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
L
ead
code
L
o
w
custo
m
code
Hi
g
h custom cod
e
D
ata
code
D
ata
code
Re
p
eat cod
e
Tf
4.
5
m
s
9
ms
2.2
5
ms
9
ms
0
.
55
ms
0
.
56
m
s
1
.
12m
s
0
.
56
m
s
2
.
24m
s
Tf
Tf
Tf=1
08
ms
@
455KH
z
Bit ”0” Bit ”1”
1. How to Connect
Connect your wired remote control to the Remote Control port on the TV.
2. Remote Control IR Codes
Output waveform
Single pulse, modulated with 37.917KHz signal at 455KHz
T1
T
c
Carrier frequency
FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3