Re: K2 BFO Drift / Filter Alignment
Posted by
Don Wilhelm-4 on
Jan 05, 2011; 9:12pm
URL: http://elecraft.85.s1.nabble.com/K2-BFO-Drift-Filter-Alignment-tp4236424p5893590.html
Bruce,
The K2 BFO will shift slightly if the bottom cover is deformed, but that
does not happen under normal conditions. Check to see if your K2 is
sitting on its feet properly. If you have something under the K2 or
have it on an uneven surface, it may be deforming the bottom cover
slightly when you press on the top.
73,
Don W3FPR
On 1/5/2011 3:32 PM, K1FFX wrote:
> I'm wondering if there was any resolution to this problem, first posted just
> over a year ago,
> since I observe what I think is the identical problem with my K2 S/N 6982.
> A related
> symptom was obvious BFO shift when pressing down on the top cover just
> behind the
> A=B push button (for example, to hold the K2 steady while turning off AGC or
> checking
> current XFIL setting, i.e., an operation that requires two button pushes).
> Some loosening
> and moving of the side panels seems to have resolved this second symptom,
> but the
> BFO shift out of the filter center frequency persists.
>
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