http://elecraft.85.s1.nabble.com/P3-SVGA-external-monitor-freezes-RFI-tp7594411p7594422.html
Seriously consider getting some of the 31 mix snap ons.
> Hi Mike,
>
> I think multiple ferrites will help but you might be surprised to find that
> it works best when applied to a cable you haven't yet tried. Take off all
> of
> the clamp-ons and get things set up to reliably cause RFI. Then put 4 or 5
> clamp-ons on one cable at a time. Try this on every cable in and out of
> your
> equipment. Such as the DC cable from your power supply to the K3. Then move
> onto the various PC cables.
>
> One of those cables is bound to show a reduction in RFI. When that happens
> just keep loading on the ferrites. For serious RFI one or two ferrites on a
> cable is never enough.
>
> 73,
> Mike K2MK
>
>
> mike wrote
> > When using KPA500 my external monitor (and the P3 display) often freezes,
> > sometimes up to 5 seconds, after I transmit. With the external display
> > disabled, the P3 does not freeze (and incidentally it refreshes much
> > faster without the ext monitor enabled.) I also notice a slight
> flickering
> > of the monitor screen while transmitting. I take this to be a RFI
> problem.
> > I have added four snap on ferrite beads on each end of the VGA cable. The
> > monitor is as far away from the amp and feedlines as I can get it and all
> > equipment K3, P3, KPA500, KAT500 are bonded to a ground bus. This is not
> > unique to this monitor as it happened with a different smaller monitor I
> > used before.
> >
> > This has always been a problem, and I would like to eliminate it as it is
> > very disruptive to is usefulness in finding a clear spot to break through
> > a pileup. Not sure what else to do. Has anyone else had this issue?
> >
> > ..mike AI6II
>
>
>
>
>
> --
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