APPENDIX
IR CODES
1. How to Connect
AConnect your wired remote control to the Remote Control port on the set.
2.Remote Control IR Codes
AOutput waveform
Single pulse, modulated with 37.917 KHz signal at 455 KHz
Tc
T1
Carrier frequency
FCAR = 1/TC = fOSC/12 Duty ratio = T1/TC = 1/3
AConfiguration of frame
1st frame
Lead code
| Low custom code |
| High custom code |
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| Data code |
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| Data code |
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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 | |
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Repeat frame
Repeat code
Tf
ALead code
9 ms
4.5 ms
ARepeat code
9 ms
0.55 ms
2.25 ms
A | Bit description |
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| Bit ”0” | Bit ”1” |
0.56 ms
1.12 ms
A Frame interval: Tf
The waveform is transmitted as long as a key is depressed.
0.56 ms
2.24 ms
Tf
Tf
Tf=108ms @455KHz
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