Bruce, What is the firmware version of your KPA1500? 2.48 is the latest. There was also a change in version 2.38, almost a year ago, that could fix the issue for you:
02.38 11/4/2019 (Production 12/3/2019) ⦁ Switch to STBY if BAND CHANGE->STBY is enabled and the frequency (from XCVR or TX count) is below the amp's frequency range ⦁ Wait longer after band change to inform K3 that KPA1500 has switched to STBY when BANDCHANGE->STBY is YES 73, Bob, N6TV On Sun, Oct 18, 2020 at 9:30 AM <ockm...@gmail.com> wrote: > YES, when switching the KPA1500 between OPER and STBY, the K3 displays the > messages "KPA500 OPERATE" and "KPA500 STANDBY", depending. > > > > YES, the K3 is set CONFIG: POWER SET is Per Band. > > > > YES, when in STBY on the KPA1500, I set the "no amp" power to 100 watts, > and > when in OPER, I set drive level per band; usually less than 30 watts, which > gets close to the legal limit. > > > > Still the same results as described below. > > > > 73 de Bruce, N7TY > > Yuma, AZ > > <http://www.qsl.net/n7ty> www.qsl.net/n7ty > > > > From: ockm...@gmail.com <ockm...@gmail.com> > Sent: October 18, 2020 06:32 > To: 'elecraft@mailman.qth.net' <elecraft@mailman.qth.net> > Subject: KPA1500 / K3 Mystery > > > > I made a recent change to the "Band Change-> STBY" setting on the KPA1500, > changing from NO to YES. I did this to ensure the AMP doesn't have any > wild > SWR or PWR spikes before the ATU has a chance to "remember" it's setting > after a band change. > > > > Issue: When switching the AMP from OPER to STBY, the K3 is supposed to > switch from the drive power setting (~25 watts) in OPER, to 100 watts in > STBY, it does not, it remains at the drive power setting. I am 99% sure I > have all the cabling and settings set correctly in the K3 and KPA1500. I > went through and manually reset the power settings on each band to let the > K3 and KPA1500 "re-learn" the change made, however, still no joy. > > > > Jim, W6YA, and I have been going back and forth, however neither of us have > had any luck. > > > > Do you KPA1500/K3 owners out there have any ideas or suggestions? > > > > 73 de Bruce, N7TY > > Yuma, AZ > > www.qsl.net/n7ty <http://www.qsl.net/n7ty> > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@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 n...@arrl.net > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@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 arch...@mail-archive.com
