[Elecraft] Kat500

[Ken WA8JXM]

The KAT500 can be set to restrict antenna by bands.  Prior owner may have
only had one antenna and restricted its use to ANT1.  Download the KAT500
utility from Elecraft.  It will show current configuration and allow you to
change it.

73,
Ken WA8JXM

On Sat, Jun 21, 2025 at 12:07 PM Eckhart via Elecraft <
elecraft at mailman.qth.net> wrote:

> Hello
>
> I aquired a used KAT500 for use with ma K3S/KPA500.
> Even after a software update the tuner will not allow a changing of the
> antenna. It stays on ant1.
> The same, when operating from the utility.
> Any ideas what this may be?
>
> Eckhart Neumann
> DK2LJ
>
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