To solve the shutdown with power failure, I propose using a dual-diode switch and a battery source of power. Even a pack of 8 "C" or "D" cells will keep it alive for receive for long enough to power down the radio.
...bill nr4c -----Original Message----- From: Mike Fatchett W0MU [mailto:w...@w0mu.com] Sent: Monday, February 28, 2011 12:15 AM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] My K3 forgets where it's at on DC failure Talk about fast tech support! On 2/27/2011 9:54 PM, Wayne Burdick wrote: > Set CONFIG:SPLT SV to Yes. > > Wayne > N6KR > > ---- > http://www.elecraft.com > > On Feb 27, 2011, at 8:46 PM, Gary Gregory<garyvk...@gmail.com> wrote: > >> Hi, >> >> When in split, I can power off via the front panel switch and then >> power on and the K3 does NOT remember split although it does remember >> the frequency. >> >> So I would like that corrected as well. >> >> FWIW..:-) >> >> 73's >> Gary >> >> On Mon, Feb 28, 2011 at 2:39 PM, Ron D'Eau Claire<r...@cobi.biz> wrote: >>> The K3 is controlled by a microprocessor, so it behaves exactly like any >>> computer when power is suddenly removed without allowing for normal >>> shutdown. >>> >>> One of the most benign reactions is that it forgets the last frequency used. >>> >>> >>> Just like a computer, the effects can be a bit worse, requiring reloading >>> the firmware. >>> >>> Ron AC7AC >>> >>> -----Original Message----- >>> From: elecraft-boun...@mailman.qth.net >>> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dave Anderson, K4SV >>> Sent: Sunday, February 27, 2011 8:23 PM >>> To: Elecraft >>> Subject: [Elecraft] My K3 forgets where it's at on DC failure >>> >>> Hi All, >>> >>> I am back from the TJ9PF DXpedition where I brouhgt my new K3 to use for the >>> 6th >>> station. We activated 6 stations for 10 days resulting in over 68,000 QSO's >>> >>> When working in some countries it is very common to have commercial AC power >>> >>> cuts randomly. This was a daily occurring feature of TJ. The hotel that we >>> >>> stayed in had a generator, but we were off for several minutes at a time >>> without >>> AC mains. So this leads me to some questions relative to my K3 and it's >>> short >>> term memory. >>> >>> We worked slit always and when the AC failed the radio would go dark. When >>> power returned and the radio restarted it would come back on the same band >>> but >>> never the same frequency for VFO A or B. The Split would also be set back >>> to >>> simplex. As you might imagine the guy your working now is left hanging >>> and usually looses his QSO. >>> >>> Why can not the K3 remember where it is and if it was in split or not? This >>> is >>> a rudimentary feature even the lowest cost import radios offer but it seems >>> the >>> K3 is incapable of retaining where it was. >>> >>> WHY? >>> >>> A more important question, WHEN can this defect be fixed? >>> >>> Dave Anderson, K4SV >>> Tryon, NC >>> 828 777-5088 >>> >>> www.K4SV.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 >>> >>> ______________________________________________________________ >>> 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 >>> >> >> >> -- >> >> VK4FD - Motorhome Mobile >> http://www.qsl.net/vk4fd/ >> K3 #679 >> Dare to be different!!! >> ______________________________________________________________ >> 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 > ______________________________________________________________ > 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 ______________________________________________________________ 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 ______________________________________________________________ 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
