>From comparing the captured SBC codes with the known protocol it looks
like '8D 09' represents a 0 in the ir stream whereas '8D 20' represents
a 1.  There is a little bit of error in capturing which is why some
pairs of numbers in the stream are a little larger or smaller than the
above. The 'DC 57' is the AGC pulse sent at the start to wake the
detector up.  I don't know exactly what the numbers mean, the NEC
protocol uses a frequency of 38400Hz with a one coded as 564us on then
1692us off, a zero is 564us on then 564us off so how this correlates to
8D 09 and 8D 20 is beyond me. I also don't know what the string of 7F
represents or the 'FF B6 59' header in the real remote's captured code. 
The fact that it consists of three numbers worries me.

Anyway, using the above assumptions and the captured code from the real
remote it looks like the vol-up key is sending NEC:122:133:26.  What
model is your amp and remote?


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