http://elecraft.85.s1.nabble.com/KPA-1500-tuner-questions-tp7649648p7649685.html
The problem you will run into is if the antenna SWR changes above the threshold for both the KPA1500 tuner and HF Auto bothtuners will initiate a retune and the two will be fighting each other.
For the bands where you need to use the HF Auto, you are better off leaving the KPA1500 in bypass.
> On Mar 13, 2019, at 12:25 AM, Peter Dougherty <
[hidden email]> wrote:
>
> I think instead I'll go the route of always leaving it in line, but that
> method would certainly work too! Thanks, Paul!
>
>
>
> - pjd
>
>
>
> From: Paul Baldock <
[hidden email]>
> Sent: Tuesday, March 12, 2019 3:36 PM
> To: Peter Dougherty <
[hidden email]>; 'Reflector Elecraft'
> <
[hidden email]>
> Subject: Re: [Elecraft] KPA-1500 tuner questions
>
>
>
> At 07:49 PM 3/11/2019, Peter Dougherty wrote:
>
>
>
>
>
> The HF-Auto (external automatic tuner) is bypassed everywhere except the
> range of 3650 to 4000, and 7100 to 7300. I would like to automatically have
> the KPA1500's tuner go into bypass at the above ranges,
>
>
> One method (there are others) is to connect a dummy load to the KPA1500, and
> do a TUNE for each bin in those ranges. The tuner will then learn to go into
> BYPASS for those BINS.
>
> - Paul
>
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