IR Codes

IR Codes

How to Connect

GConnect your wired remote control to the Remote Control port on the TV.

Remote Control IR Codes

GOutput waveform

Single pulse, modulated with 37.917KHz signal at 455KHz

TC

T1

GConfiguration of frame

1st frame

Carrier frequency

FCAR = 1/TC = fOSC/12 Duty ratio = T1/TC = 1/3

Lead code

Low

High

 

 

Data code

Data code

custom code

custom code

 

 

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

Repeat frame

Repeat code

Tf

GLead code

9 ms

GRepeat code

9 ms

GBit description

Bit “0”

0.56 ms

4.5 ms

0.55 ms

2.25 ms

Bit “1”

0.56 ms

1.12 ms

2.24 ms

GFrame interval : Tf

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

Tf

Tf

Tf=108ms @455KHz

Owner’s Manual 39

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LG Electronics 42PX3DBV-UC, 42PX3DLV-UC owner manual How to Connect, Remote Control IR Codes