[1000mp] FT1000MP Key Clicks
Steve L.
[email protected]
Thu, 26 Dec 2002 14:07:01 -0800 (PST)
Is your T/R relay transferring on that first dit?
Push the MOX button on your rig so the relays stay in
TX and try it again.
Just a guess,
Steve N4SL
--- Tom Rohlfing <[email protected]> wrote:
> Maybe it's not such a good idea to send out a heavy
> technical question to
> the group on Christmas Eve, because the lack of
> response was pretty
> surprising. :) So I'll just send it out again,
> hoping to catch a
> sympathetic ear somewhere.
>
> 73,
> Tom / W7GT
>
> --------------------
>
> Here's a holiday question for the group.
>
> A few days ago I incorporated the W8JI key-click
> mod into my MP. I'm
> generally happy with the results, and think it did
> a pretty good job of
> taming the clicks. I have before/after Tx output
> waveform photos for
> anybody who just HAS to have them.
>
> So here's the question. The waveform-softening
> only works on dots (or
> dashes) 2-N, but not 1. So, if I send an "E" it's
> clicky. If I send an
> "I"
> the first dit is clicky, and the second one is
> nice. An "S" has a clicky
> dit, followed by two nice dits. You get the
> picture. But I haven't
> figured
> out why. I use an external keyer, and operate the
> MP in QSK break-in mode.
> So how does the MP know the difference between a
> first dit and a second
> dit?
> It didn't seem to matter too much what speed my
> keyer was set to.
> I don't know if 1) I made an error in the W8JI mod,
> or if 2) my MP is
> broken and
> needs repair, or 3) if this is the way the MP is
> supposed to work with the
> W8JI
> mod.
>
> Has anybody else run into this? Or has anybody
> else done the mod and
> carefully measured the Tx waveforms to either
> confirm or deny what I ended
> up with?
> >
> Merry Christmas, Happy New Year, and may there be a
> new rig under each
> ham's
> tree!
>
> 73,
> Tom / W7GT
>
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