LG M228WDP User Manual

86
APPENDIX
IR CODES
A
Configuration of frame
1st frame
Repeat frame
A
Lead code
A
Repeat code
A
BBiitt ddeessccrriippttiioonn
A
FFrraammee iinntteerrvvaall:: TTff
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
Lead code Low custom code High custom code Data code Data code
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=108ms @455KHz
Bit ”0” Bit ”1”
1. How to Connect
A
Connect your wired remote control to the Remote Control port on the set.
2. Remote Control IR Codes
A
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
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LG M228WDP Specifications

General

Brand	LG
Model	M228WDP
Category	Monitor
Language	English