Ir Codes - LG 42700H - 42INCH CLASSHDTV Technical 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
L Tc j
I- -I
Configuration of frame
1st frame
Low custom code
Carrier frequency
FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3
High custom code
Data code Data code
r_l
z
x
Repeat frame
I
Lead code
tm
Repeat code
Tf
I
4
I
F
Repeat code
I
9 ms
9 ms
[
° 4.5 ms
_l 0.55 ms
1__1-1
I
4
Bit description
Bit "0"
I I
i °s6mS j -' 1
1.12ms
Frame interval: Tf
The waveform is transmitted as long as a key is depressed.
Tf Tf
Fql
2.24 ms
1-11 Tf=,O_ms _.SS..z
118