[ct-user] Re: DVP white noise problem

[Milt Jensen]

I  had a similar problem show up the 2nd night of CQ 160 SSB last February.
After the contest I shut the PC off, opened it up, removed the DVP card, cleaned
both the card edge connector and the socket with cleaner, reinstalled the card,
booted up, and all the problems went away.  Try it!  de Milt, N5IA     2 weeks
and counting to XZ1N.


Robert Hummel wrote:

> >apparently randomly, upon hitting an F key, "white noise" mixed
> >with the DVP's stored audio would be fed to the TX mike input.
> >This resulted in essentially a key-down effect.  Hitting ESC would
> >stop the message.
>
> My DVP has started doing this within the last year or so.
>
> First, I noticed that after exiting CT, then re-starting, the recorded Fn
> messages would be very distorted or have the white noise overlayed on the
> audio. Re-recording the messages would relieve the problem.
>
> In CQWW, I noticed that the white noise effect was happening without the
> shutdown/start cycle. Exiting CT and re-recording still works at this point.
>
> I am using IBM PC-DOS 7.0 and a RAM disk for the audio. Pentium-100 and
> minimum other stuff in a dedicated ham computer. CT 9.37 and 9.36.
>
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