I'm having the same issue. Recently I installed a KAT500 & upgraded both the KAT500 & KPA500 firmware.
I'm sure the K3 was sensing when to use full power (KPA500 = OFF or STBY) or reduced power (KPA500 = On & OPER) before; it did not seem to matter whether the K3 or KPA500 was turned on first. Now I have to make sure both are on and then switch the KPA500 to STBY then back to OPER otherwise the K3 sends full power (100 watts) to the KPA500 & it faults. George AI4VZ -----Original Message----- From: Steve Jackson Sent: Thursday, December 20, 2012 5:31 PM To: [email protected] Cc: [email protected] Subject: Re: [Elecraft] [KPA500] latest upgrade Don I believe that I do, and, apparently it wasn't. The new amp code is set to work 'better' with the KAT500, which I do not have, since I would need a remote version and that's either not yet available or it won't ever be available, I can't tell which. I will simply go back to the old version of KPA500 code since it was fine for my use. Steve *** On Thu, Dec 20, 2012 at 5:05 PM, Don Wilhelm <[email protected]> wrote: > Steve, > > Do you have both the K3 and the KPA firmware up to the latest level. > I recall seeing something about that relationship before, and I am > thinking it has been fixed. > > 73, > Don W3FPR > > > On 12/20/2012 4:43 PM, Steve Jackson wrote: > >> My KPA500 used to very reliably automatically set the radio to the 'drive >> power' setting when I switched the amp on. >> >> Now, I installed the latest amplifier firmware and it doesn't do that >> anymore ... I have to manually toggle the OPER / STBY function. >> >> Was I supposed to change a variable that I missed? >> >> Steve KZ1X >> >> > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

