The report from Bob, N4BP attributing the missing keystrokes to the
Yaesu CAT interface is an important clue to solving this problem.
With most radios, each burst of data from the radio is terminated with
a unique character. This makes it easy for NA to simply monitor what
is received from the radio, and when it gets the unique character, go
check the COM buffer and decode what the radio sent. Yaesu is
different - it has no termination character, so NA has to "count
characters" and when a certain number are received, then go check the
COM buffer and decode what is sent. Either approach SHOULD work
satisfactorily, although Yaesu's is definitely inferior. What's
important is that the routine decoding a Yaesu radio is different and
separate from the routine used for any other radio. This routine
should not have any interaction with the keyboard, so I'm at a loss to
immediately explain the problem, but armed with this knowledge, at
least I know where to go look.
I would expect that this problem effects Yaesu radios only, but all
Yaesus (not just the FT1000MP).
Once we know where the problem is, a solution cannot be too far away.
73, Dave/K8CC
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