[TRLog] Sending hex commands to a Yaesu Mark 5

Pete Smith n4zr@contesting.com
Fri, 13 Sep 2002 12:19:26 -0400

At 11:32 AM 9/13/02 -0400, Tim Totten, N4GN wrote:
>I fiddled with this a bit last week on my Yaesu FT-1000MP Mark-V Field
>(the radio with the most ridiculously long name in history, I think).  I
>had some strange results, but unfortunately, I didn't have time to dig in
>In short, the embedded commands (like ">" to clear RIT) work fine, just as
>N4ZR reported with the Mark-V.  I REALLY like that feature!  But commands
>built using the <03><xx><xx> . . . <04> strings acted very erratic.  Some
>commands appeared to always work on the SECOND push of the assigned
>function key, but never on the FIRST push.  Other commands seemed to work
>after some random number of pushes of the function key.  Others didn't
>work at all.  Like I said, it still needs more testing and documentation;
>I just ran out of time.  Hope I can get back to the "lab" this weekend . .

I've suggested to Ron that it may be something quite simple, like timing or 
padding, or... horrors, maybe even something to do with the IRQ-less way 
that TR addresses the serial port.  This because Windows-based programs 
seem to command it just fine....

73, Pete N4ZR
Sometimes a tower is just a tower