[Elecraft] P3 SVGA external monitor freezes - RFI?

Gerald Manthey kc6cnn at gmail.com
Wed Nov 5 13:30:52 EST 2014


Hi Mike
Is it a Samsung monitor?
And did you put beads on the power line in too?
Gerald
On Nov 5, 2014 11:33 AM, "mike" <ai6ii at comcast.net> 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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