I will verify that this works exactly as Don relates. You must "train"
it by transmitting in every segment for each band/antenna combo you
have, but once trained, it's solid. The segments are small on 160 and 80
[10 KHz? I don't remember, someone on the list probably knows], and get
larger as you go up in frequency becoming 100 KHz or so at 10 m and
maybe twice that on 6. With the KAT500 in AUTO, tune to the center of
each segment, and press ATU TUNE if you have a K3, or just transmit if
you are using a non-Elecraft transceiver. It takes anywhere from 20 -
25 or so watts to tune.
Once you have hit every segment with every antenna that works on that
segment, switch to MAN and leave it there. The KAT500 utility will let
you specify which of the 3 antennas are usable on each band and won't
put others in the antenna selection cycle. To switch antennas, just tap
the button to get the desired antenna. The selection of tuning
parameters is as fast as it takes for the relays to close when you first
transmit. It worked fine for me when I still had my KAT500 on CW, SSB,
and RTTY. IMI: Operate in MAN, not AUTO.
If you have a K3/K3s and the cable between them installed and the KAT500
connected, the tuner will follow your receive QRG, selecting the correct
parameters as you tune, but the RF sense is nearly instantaneous without
the cable or a K3/K3s. IMI: Operate in MAN, not AUTO. Every time
someone has asked me to help them, and despite the "Operate in MAN, not
AUTO" advice from this list and others, I get there and find they're
operating in AUTO.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
On 11/19/2018 4:43 PM, Don Wilhelm wrote:
The KAT500, will do the same for any transceiver - except for
following the receive frequency.
After training the tuner, when the KAT500 receives a burst of RF, it
will tune to the remembered L/C combination for the frequency
received, it will go immediately to that combination.
Train in AUTO mode, then switch to MAN for reliable operation.
73,
Don
W3FPR
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