LG STB1000 - Manual (Page 77)

77 206-4147
Reference: IR Codes
Confi guration 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.
Bit “0” Bit “1”
Remote Control Connection
Connect your wired remote control to the REMOTE CONTROL OUT port on the STB1000 jack panel.
Remote Control IR Codes
Output Waveform
Single pulse, modulated with 37.917KHz signal at 455KHz
Carrier Frequency
FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3
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
T1
Tc
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