[Elecraft] APF and Normalized Filter Passband Display

Joe Subich, W4TV lists at subich.com
Fri Nov 5 12:45:30 EDT 2010


 > Recalling NORM2 changes the APF shift back to its normalized setting.
 > But the "wings" don't change when that happens.

The "Wings" don't change as long as APF is on.  If you saved NORM2 with
APF on, recalling NORM2 turns APF on (and displays the wings).

73,

    ... Joe, W4TV


On 11/5/2010 1:13 PM, Paul Kirley wrote:
> Recalling NORM2 changes the APF shift back to its normalized setting.
> But the "wings" don't change when that happens.
>
> 73, Paul W8TM
>
> At 11:57 AM 11/5/10 -0400, Joe Subich, W4TV wrote:
>>
>> When APF is engaged, the shift knob no longer shifts the IF/DSP -
>> it moves (shifts) the audio peak within the IF passband.  Thus,
>> the IF/DSP response display does not change.  Note - adjusting
>> the WIDTH control will change the width of the "center" portion
>> of the display as the IF/DSP width changes but the "wings" will
>> remain.
>
>


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