[Elecraft] Kat500

[eckhart.neumann at icloud.com]

Thank You, that was it!
DK2LJ

> Am 21.06.2025 um 18:25 schrieb KJ7SOY <kj7soy at gmail.com>:
> 
> It’s possible to lock out antenna ports with the KAT500 utility so you can’t change to them so that they can’t be transmitted to when there’s no antenna connected. I suspect they’ve been excluded in this fashion. They can be reset in the utility to open them up. 
> 
> 73, Adrian 
> K7RJS
> 
> 
>> On Jun 21, 2025, at 9:07 AM, 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
>> 
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to kj7soy at gmail.com


Eckhart Neumann

Psychoanalytiker DGPT
Sommerfelderstrasse 17a
53639 Königswinter