The plug 52 problem arose because a segment of established Omni users
expressed a strong preference for sidetone volume to be independent of RX AF
gain setting. Ten Tec responded to user pressure by introducing an analogue
switch (U7b) into the VI+ IF/AF board which achieved this end.
Unfortunately, at the same time it made the sidetone horribly clicky. I
hated the clicks but a sidetone that increased with AF gain was fine with
me, so I figured out the plug 52 option and pulled the plug the day after I
got back from Dayton with my shiny new VI+ some years back.
FWIW
Bob, 5B4AGN
----- Original Message -----
From: "Steve N4LQ" <n4lq@iglou.com>
To: <tentec@contesting.com>
Sent: Saturday, August 21, 2004 10:30 PM
Subject: Re: [TenTec] Omni VI+ firmware rev.
> Plug 52 is the well know cure for clicky QSK in your headphones. It's on
the
> logic board and control board. Just unplug it. QSK will greatly improve.
No
> one understands why it's there in the first place. Also, unplugging it
will
> allow your AF gain to control the sidetone as it should.
> Steve N4LQ
> ----- Original Message -----
> From: "Jason Buchanan" <jsb@digistar.com>
> To: <tentec@contesting.com>
> Sent: Saturday, August 21, 2004 6:21 PM
> Subject: Re: [TenTec] Omni VI+ firmware rev.
>
>
> >
> >
> >
> > Paul Christensen wrote:
> >
> > >>Note: All the above is with firmware ver. 1.03. I have no idea what
1.02
> > >>does but apparently it does key faster.
> > >>
> > >>
> > >
> > >QSK with V1.02 is pretty damn fast as long as plug 52 is removed on the
> > >IF/AF circuit board.
> > >
> > >
> >
> > What's plug #52?
> >
> >
> > 73 Jason N1SU
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
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