Here is some info describing the Kenwood protocol.
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TECHNICAL INFO
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Code length: 32 bits
Carrier: 39.2kHz
The code is only transmitted once, and after that a stop code is transmitted.
+--------------------------------+
Header: | |
+ +----------------+..
16T 8T
8.8ms 4.4ms
+--+
1 is coded: | |
..+ +------+..
T 3T
+--+
0 is coded: | |
..+ +--+..
T T
+--------------------------------+ +--+
Stop code: | | | |
+ +--------+ +
16T 4T T
8.8ms 2.2ms
T = 550us
Space between transmissions: 95000us between the start of the codes.
To use the code (not with the remote package):
GROUP * 10000h + (Code * 100h) + (Code XOR FFh)
Brian
-See my empeg here-