Re: CW-Pitch 600 Hz or 700 Hz or what?
Posted by
L. D. Ingram on
Nov 13, 2005; 9:03pm
URL: http://elecraft.85.s1.nabble.com/CW-Pitch-600-Hz-or-700-Hz-or-what-tp383635p383645.html
>>Perhaps the enhancement could be a BFO that is adjusted by a front panel
>>control?
>
>This would be nice, and I presume that you mean that the knob would
>maintain the location of the BFO in relation to the passband along with
>the sidetone pitch. Currently it's possible to adjust the pitch from the
>menu (although this is not a one-knob operation!), but in order to keep
>the selected pitch inside a narrow passband, you need to do the CAL FIL
>procedure.
>
>So the knob that you refer to would have to cause the microprocessor to
>recalculate the VCO offset that is used to place the selected pitch at a
>given location in the filter passband. This is what happens when you run
>CAL FIL.
This is the one feature that I really wish the K2 had. My TS-940 and
756-ProIII both have this, and I find it very helpful. It's not only nice
to be able to customize the sidetone pitch, but I like to tweak it easily
via a front-panel knob every so often during long operating periods, like
contests - adjusting the sidetone (and zero-beat point) up or down a little
from time to time seems to help minimize ear (or is it brain?) fatigue.
If the filters are not set too narrow I find that the RIT does this for me.
Larry Ingram AG4NN
K2 SN 2529
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