[Elecraft] P3 bug

Mike K2MK k2mk at comcast.net
Mon Dec 29 11:09:40 EST 2014


Hi Vic,

I have brought this up on the reflector. I have not given test mode a try
but I will. It was strongly suggested to me that it was RF related but the
problem crops up to the same degree at high power and running about 30 watts
barefoot. I have also loaded up cables with ferrite clamp-ons and the
problem persists to the same degree. Always intermittent and unpredictable.

I also have the VGA adapter and the problem is visible on both the external
monitor and the P3 screen. I have not tried removing he SVGA board to see if
the problem persists. 

It was extremely annoying when I was operating as a W1AW/2 station working
RTTY split. I depended on the P3 to direct my focus to stations in the
clear. It repeatedly let me down.

73,
Mike K2MK


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.
> -- 
> 73,
> Vic, 4X6GP/K2VCO
> Rehovot, Israel
> http://www.qsl.net/k2vco/





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