[Elecraft] Thanks; RE: KAT500 and VARA

[Jim Kutsch KY2D]

Dick, Joe, Andy,
It's been over a week since I followed your recommendations and the KAT500
is no longer jumping to different tuning solutions nor entering tune mode on
VARA transmissions. Thank you all for your knowledge and advice.

73 Jim KY2D

-----Original Message-----
From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net> On
Behalf Of Andy Durbin
Sent: Wednesday, June 4, 2025 10:43
To: elecraft at mailman.qth.net
Subject: [Elecraft] KAT500 and VARA

The KAT500 used to have two annoying behaviors associated with RF count
frequency:


  1.
Tune could be initiated in the current "bin".  This is prevented by
operating in MAN mode.
  2.
The tuner could jump to an adjacent bin and select a different tuning
solution.  This cannot be prevented by operating in MAN mode.

For a long time Elecraft insisted that RF count would always take priority
over any other frequency.  That has changed.  Give the KAT500 a stable
transceiver TX frequency using AUX bus or RS-232.  Then disable RF count
using FDT as described earlier by Dick, K6KR.  All retune and bin jumping
will be eliminated.

Note the requirement to give the KAT500 the TX frequency.  If the KAT500 is
given rig dial frequency it may still jump to a different bin when TX starts
if operating split.

73,
Andy, k3wyc
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