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Re: K3/KX3 Operating Tip: APF (audio peaking filter) for weak-signal CW work

Posted by Dick Dievendorff on Jun 28, 2012; 5:59pm
URL: http://elecraft.85.s1.nabble.com/K3-KX3-Operating-Tip-APF-audio-peaking-filter-for-weak-signal-CW-work-tp7558208p7558295.html

AP1 turns CW APF on.

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Dick Dievendorff
Sent: Thursday, June 28, 2012 10:45 AM
To: 'Graham Kimbell G3TCT'
Cc: [hidden email]
Subject: Re: [Elecraft] K3/KX3 Operating Tip: APF (audio peaking filter) for
weak-signal CW work

It should be possible using a command macro.

AP0; turns CW APF off,
AP1; turns CW APF off,

SWH29; toggles DualPB which is APF if you have the K3 menu parameter
CONFIG:DUAL PB set to APF.

73 de Dick, K6KR

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Graham Kimbell G3TCT
Sent: Thursday, June 28, 2012 9:52 AM
Cc: [hidden email]
Subject: Re: [Elecraft] K3/KX3 Operating Tip: APF (audio peaking filter) for
weak-signal CW work

I find APF very useful for VHF/UHF work too, and the need to hold the button
a problem.  How about making it possible to switch the APF on and off
through a programmable function button - is that an option?

Graham

On 19:59, Joe Subich, W4TV wrote:

>
> > And the point is: it's fixable.
>
> It is not fixable to your definition without changing both the front
> panel (engraving) and keytops (legend).  Moving XFIL to HOLD would be
> extremely inconvenient for users of that function (it is very
> difficult to do multiple HOLD gestures) and the current assignments
> are not cumbersome.
>
> One can also assign a PF Key (I use PF 2) to toggle the function of
> DUAL PB=HOLD between Dual PB and APF as needed.
>
> The current implementation is quite usable given the limited number of
> individual controls (number of buttons) available on the front panel.
>
> 73,
>
>    ... Joe, W4TV
>
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