OK thanks for that bit of info. Since the KAT500 and KPA500 do not
switch to 40M or 160M, I find it odd that both boxes exhibit the same
symptoms. I'd check to see that RF is actually getting to the KPA500
and KAT500 on those 2 bands. If no RF or inadequate RF level then they
won't switch.
You can switch the antennas via the manual switch on the Amp and ATU.
Does this work? And if it does switch then will the KAT resolve a match
on the band and antenna of choice? It should. If not then pressing
the TUNE button on the KAT should force it to resolve a match as long as
10 watts or so RF is present.
73
Bob, K4TAX
On 6/2/2019 12:56 PM, Paul Ecker wrote:
> Bob - radio is a Flex 6600, so not using a ACC cable per se. What's curious
> is that the Flex/KPA500/KAT combo work fine all all other bands except 40 &
> 160 ?? And that radio tunes these bands and transmits just fine with KAT in
> bypass??
> tnx & 73
> Paul
> w2eck
>
> *>From your earlier with the tuner and amp not switching, I would connect the
>> cable ACC direct to the amp from the radio. If the amp switched then issue is
>> with the tuner. If the amp doesn't switch this points to the radio. *
> *Recheck all of your CONFIG settings in the radio.
> Looks like a call to Elecraft is in order.
>
> Bob, K4TAX*
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