According to the manual, you can use the KXPA Utility to read the voltmeter inside the KXPA100.
wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On May 22, 2016, at 10:52 AM, Ken G Kopp <kengk...@gmail.com> wrote: > > Bill, > > The front panel voltage display on a KX3 will -not- be accurate > for the voltage at the input- power connector of the KXPA100. > This voltage must be measured AT THE CONNECTOR on the > rear of the KXPA100 to know what's being delivered to the PA. > > 73! > > K0PP > > On Sun, May 22, 2016 at 9:40 AM, Nr4c <n...@widomaker.com> wrote: > >> Or just use the Voltage reading displayed on the K3/KX3 front panel. It's >> quite accurate. >> >> Sent from my iPhone >> ...nr4c. bill >> >> >>> On May 22, 2016, at 10:52 AM, David Orman <orma...@corenode.com> wrote: >>> >>> Another question - how long/what gauge is the wire running to your >> KXPA100? >>> I wouldn't expect enough drop to pull your voltage down to a point at >> which >>> it cuts back power, but you never know. Check your KX3 for the source >>> voltage when transmitting, that'll tell you if you're dropping below the >>> threshold for power reduction. For example, 16 gauge copper will drop >> about >>> 1.2 volts on a 10 foot run @ 15A current draw. >>> >>>> On Sat, May 21, 2016 at 9:58 PM, N6MQL <n6...@arrl.net> wrote: >>>> >>>> Wayne, >>>> >>>> 2 things... First I mentioned to David S in the service department that >>>> the K3 is no longer transmitting more than 94 watts out on 17 meters >>>> regardless of the SWR/ impedance. David said that this was a known issue >>>> due to software and that it was being worked on. However I haven't seen >>>> anything about this issue so I'm wondering if this is true and if so has >>>> there been any updates to fix it. >>>> Secondly, I'm noticing that my KXPA100 can not produce more that 80 >> watts >>>> on most bands and 60 on others when I don't supply it with as much as >> 15v >>>> DC on a 30 amp supply. This after I did the KX3 / KPXA calibration >>>> procedure. Why is it that a "mobile" amp that would normally be powered >>>> with 12v DC from a car battery not be able to provide the power output >> that >>>> it is sold as (100 watts)?. Has there been some kind of revisions to the >>>> first run boards that I should be exchanging them with? >>>> >>>> Thank you for your answers 73 >>>> >>>> Mike >>>> N6MQL >>>> ______________________________________________________________ >>>> 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 orma...@corenode.com >>>> >>> ______________________________________________________________ >>> 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...@widomaker.com >> >> ______________________________________________________________ >> 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 kengk...@gmail.com >> > ______________________________________________________________ > 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 wun...@wunderwood.org ______________________________________________________________ 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
