[Elecraft] P3 bug

[David Cole]

Hi Vic,

If I remember correctly, there was a discussion here a few months ago,
(which I can not locate in the archives for some reason), dealing with
this behavior...  I think it had something to do with telling the K3 to
key down in two different ways...  Something along the lines of using
PTT with your DTR/RTS line, and/or using VOX, etc.  

Something along that line...  I searched the archives but did not locate
the post which covered this...  I am pretty sure the words "race
condition" were used in the post, so I searched the archive using that
as the search term, but alas, nothing...  

Hopefully this will trigger someone with a better memory than I...
-- 
Thanks and 73's,
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On Mon, 2014-12-29 at 15:47 +0200, Vic Rosenthal 4X6GP/K2VCO wrote:
> I've seen this mentioned by others, but I don't think I've heard an 
> official response.
> 
> Sometimes the P3 'freezes up' for one to three seconds when returning to 
> receive condition after transmitting CW. It doesn't happen every time, 
> but enough to be bothersome, especially in a fast pileup. It is not 
> caused by RF, because it happens in TX TEST mode.
> 
> I have the VGA adapter, if that is related, although the freeze occurs 
> on the P3 screen as well.
> 
> To reproduce the problem, switch to TX TEST mode, and repeatedly send 
> VVV at 25 wpm. The P3 will usually come back immediately after each 
> group, but every few times it will stay frozen for a few seconds.