Ir Codes - LG 42PQ20 Owner's Manual

IR CODES
1. How to Connect
01_ Connect your wired remote control to the Remote Control port on the TV.
2. Remote Control IR Codes
0_ Output waveform
Single pulse, modulated with 3Z917KHz signal at 455KHz
I= Tc J -I
_q
Carrier frequency
FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3
0_ Configuration of frame
1 st frame
Repeat frame
I
0_ Lead code
l__
Repeat code
Tf
[
J
F
0_ Repeat code
J
9 ms
9 ms
0.55 ms
I_F1
I
4
z
x
0_Bit description
Bit "0"
I 1
1.12ms
Bit "1 "
01_ Frame interval: Tf
The waveform is transmitted as long as a key is depressed.
Tf Tf
J
2.24 ms
°1
Tf=108ms C_a455KHz
107