LG 32LD550 - IR Codes

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APPENDIX
APPENDIX
IR CODES
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Configuration of frame
1st frame
Repeat frame
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Lead code
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Repeat code
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Bit description: Tf
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Frame interval: Tf
The waveform is transmitted as long as a key is depressed.
C0
C1 C2 C3 C4 C5 C6 C7 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7
L
ea
d
co
d
e
L
ow cus
t
om co
d
e
Hi
g
h
cus
t
om co
d
e
D
a
t
a co
d
e
D
a
t
a co
d
e
Repeat code
Tf
4.5 ms
9 ms
2.25 ms
9 ms
0.55 ms
0.56 ms
1.12 ms
0.56 ms
2.24 ms
Tf Tf
Tf=108 ms @455 KHz
Bit ”0” Bit ”1”
1. How to Connect
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Connect your wired remote control to the Remote Control port on the TV.
2. Remote Control IR Codes
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Output waveform
Single pulse, modulated with 37.917 KHz signal at 455 KHz
T1
Tc
Carrier frequency
FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3
*This feature is not available for all models.