Dumb question, and I’m no K2 expert — but did you use the power switch to power down, or just remove power from the input line? I heard that doing it by jerking the rug out from under the supply is a Bad Thing.
> On Jun 27, 2021, at 17:32, Don Wilhelm <d...@w3fpr.com> wrote: > > Ted, > > Try 'counting to ten' before powering down. > If you move the VFO just before powering down, the VFO frequency may not have > been written to EEPROM yet, the process is not immediate. > > 73, > Don W3FPR > >> On 6/27/2021 5:21 PM, eda...@aya.yale.edu wrote: >> I just finished debugging a K2 I built this past Spring and, with guidance >> from Gus, KB0YH, it was in shape just in time to try it out in the FD. FB >> so far. Except for one annoying problem. >> >> >> When the rig is powered down it is supposed to remember the last frequency >> it was on. The EPROM, I believe, is supposed to be continuously updated as >> the VFO is moved. Well, this one doesn't do that. When the rig is shut >> down and powered up it opens to the right band, and mode, and filter >> selection; but the frequency isn't the last one used. It's sort of random - >> sometimes a frequency used two or three repoweringups ago; sometimes a spot, >> although in the band, that I don't even recognize. (Or maybe it's I who >> can't remember where he was recently . . .?) >> >> >> I haven't explored all of the other supposedly nonvolatile settings, like >> the filter shaping, monitor settings, linearization and other parameters. I >> have built and operated a handful of K2s over the years, and have never seen >> this behavior, or not that I ever noticed. I thought I'd ask here if anyone >> has seen this sort of thing, or if there are some particular investigations >> I can make that would be of diagnostic value. >> >> >> Thanks for whatever counsel might be offered . . . >> >> >> Ted, KN1CBR >> >> ______________________________________________________________ >> 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 d...@w3fpr.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 r...@wc3t.us ______________________________________________________________ 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
