[Kenwood] TS 850 Drift -- Resolved

Thu, 7 Nov 2002 13:17:09 -0000

Sounds like you were getting rf into the mouse and causing all your trouble

get rid of the mouse and use one that can be filtered with ferrites and see
if that solves the problem
Stu MM0BSM
----- Original Message -----
From: "Brown, James E LRDOR" <[email protected]>
To: <[email protected]>
Sent: Thursday, November 07, 2002 1:02 PM
Subject: [Kenwood] TS 850 Drift -- Resolved


>
>
> Back on 21 Oct I posted the following:
>
>
>
> "While operating in the JARTS RTTY contest this weekend, I noticed a
slight
> drift in my frequency.
>
>
>
> This change was very small and seemed to happen only on transmit, e.g. If
I
> was CQing on 14.082, it would change to 14.081 then 14.080 then 14.079
etc.
> at the rate of about one change per minute or so.  Always downward.
>
>
>
> This was a real change in frequency, not just a change in the display.
All
> other operations seem normal.
>
>
>
> Any advice appreciated.
>
>
>
> Thanks      Jim      W4LC"
>
>
>
>
>
> I received a few responses, but no clues as to the cause.  Even Clif said
I
> should consider an
>
> Exorcist.  However, the light bulb turned on over my head during the SS CW
> last weekend when I noticed the frequency change once when I moved my
mouse.
>
>
>
>
> My logging program enables the mouse wheel to be used as a RIT knob.  I
have
> a wireless mouse.  Even though I did not touch the mouse wheel, either
stray
> vibrations or whatever is causing a signal from the mouse from time to
time,
> which decrements the RIT a notch.  Of course, engaging the F.Lock on the
rig
> has no effect on this, since the signal is coming into the rig through the
> serial control line.
>
>
>
> When I figure out how to disable the mouse RIT feature, problem will be
> gone.
>
>
>
>
>
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