LG 32LC2R Owners Manual - Page 85

Ir Codes

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0323G_3 2/22/06 8:58 PM Page 83 IR CODES 1. How to Connect I Connect your wired remote control to the Remote Control port on the TV. 2. Remote Control IR Codes I Output waveform Single pulse, modulated with 37.917KHz signal at 455KHz Tc Carrier frequency FCAR = 1/TC = fOSC/12 T1 Duty ratio = T1/TC = 1/3 I Configuration of frame 1st frame Lead code Low custom code Repeat frame High custom code Data code Data code 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 code I Lead code 9 ms I Repeat code Tf 4.5 ms 0.55 ms 9 ms 2.25 ms I Bit description Bit "0" 0.56 ms Bit "1" 1.12 ms I Frame interval: Tf The waveform is transmitted as long as a key is depressed. Tf Tf 0.56 ms 2.24 ms Tf=108ms @455KHz APPENDIX 83

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APPENDIX
83
IR CODES
■
Configuration of frame
1st frame
Repeat frame
■
Lead code
■
Repeat code
■
Bit description
■
Frame interval: Tf
The waveform is transmitted as long as a key is depressed.
Low
custom code
Lead
code
High
custom code
Data code
Data code
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
code
Tf
4.5 ms
9 ms
2.25 ms
9 ms
0.55 ms
0.56 ms
1.12 ms
Tf
Tf
Tf=108ms @455KHz
0.56 ms
2.24 ms
Bit ”0”
Bit ”1”
1. How to Connect
■
Connect your wired remote control to the Remote Control port on the TV.
2. Remote Control IR Codes
■
Output waveform
Single pulse, modulated with 37.917KHz signal at 455KHz
T1
Tc
Carrier frequency
FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3
0323G_3
2/22/06
8:58 PM
Page 83