[Elecraft] KAT500 Tuner antenna selection stuck in #2 position

[Lance HP]

KAT500 mode is any mode - current mode is auto, but any mode change does 
not make any difference in ability to change from the #2 antenna 
position.

  haven't tried to erase all my settings and revert back to factory 
default settings...yet. I was only going to do that as a last resort.

Lance, KK4DX

------ Original Message ------
From: "Andy Durbin" <a.durbin at msn.com>
To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
Sent: 6/13/2021 8:40:30 PM
Subject: [Elecraft] KAT500 Tuner antenna selection stuck in #2 position

>"I cannot change the antenna selector via the front panel of the KAT500 or the utility software."
>
>What was the KAT500 mode when you observed this problem?  There is a known firmware defect that may prevent enabled antennas being selected when mode is BYP.  The same problem does not exist if mode is MAN and state is Bypassed.  Until this is fixed the solution is to avoid mode BYP (Mode MAN and state bypass is electrically identical).
>
>73,
>Andy, k3wyc
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