Ir codes, How to connect, Remote control ir codes – LG 26LC2R User Manual

Page 85: Appendix, Configuration of frame, Lead code, Repeat code, Output waveform

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APPENDIX

83

IR CODES

Configuration of frame

1st frame

Repeat frame

Lead code

Repeat code

B

Biitt d

de

essccrriip

pttiio

on

n

FFrraam

me

e iin

ntte

errvvaall:: T

Tff

The waveform is transmitted as long as a key is depressed.

Low
custom code

Lead
code

High
custom code

Data code

Data code

C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7

Repeat code

Tf

4.5 ms

9 ms

2.25 ms

9 ms

0.55 ms

0.56 ms

1.12 ms

Tf

Tf

Tf=108ms @455KHz

0.56 ms

2.24 ms

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

Tc

Carrier frequency

FCAR = 1/TC = fOSC/12

Duty ratio = T1/TC = 1/3

0323G_3 2/22/06 8:58 PM Page 83

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