Extron electronic 68-1323-01 Universal Remote User Manual


  Open as PDF
of 4
 
Signal Timing
2
IR Remote Control Hex Codes and Signal Timing • Signal Timing
Carrier Frequency = 38 KHz
(50% duty cycle)
9 ms
4.5 ms
Carrier On
Carrier On
Carrier Off
Carrier Off Carrier On Carrier Off
0
0
F
F
9 ms
0.56 ms
2.5 ms
Tf = 108 ms Tf = 108 ms
Lead Code
1st Frame
Repeat Code
0.56 ms
Lead Code
Repeat Code
Repeat Code
Bytes 1-4
Bit “0”
1.125 ms
0.56 ms
Bit “1”
2.25 ms
Bit Description
0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7
Code
Inverse Code
Device Address
Byte 1
Byte 2
General Signal Timing with Code Positions
9 ms
4.5 ms
Lead Code
Code
Inverse Code
1st Frame
0 0 0 0 1 1 1 0
1 1 1 1 0 0 0 1
0
E
1
F
Device Address
Byte 1
Byte 4
Byte 3
Byte 2
Data Bits Transmitted
Hex Code Equivalent
0
0
F
F
0 0 0 0 0 0 0 0
1 1 1 1 1 1 1 1
Example
The figure below shows the transmitted signal to represent a
single press of button #15.
 previous