Don,
> The date of manufacture (or shipment) is a much better indicator > of vintage for K3s during that backlog period. > > Mine is of the December 2007 vintage and it has the same behavior > as Brian's which is June '08. It would appear that many earlier > K3s do not My first unit is between yours an Brian's ... I can't see the failure as date of manufacture related. S/N 622 was a kit - staged in the factory in early April 2008 and received almost exactly one year ago. However, out of curiosity, I connected the second K3 (S/N 1450 - kit, manufactured in August 2008) and updated its firmware. The second unit exhibits the "failure." Both units have identical options and all settings are as nearly identical as I can make them from memory. The "failure" will be a real PITA for RTTY operator unless one is using AFSK with a non-standard mark frequency! 73, ... Joe, W4TV > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Don Wilhelm > Sent: Friday, April 17, 2009 9:07 AM > To: [email protected] > Subject: Re: [Elecraft] K3 New fw loader > > > Joe and all, > > It seems much of Elecraft has gone to Visalia for the > weekend, so we may > not get any further ideas until they return. > > The serial number is not the best indicator of the K3 vintage until > after the extreme backlog was cleared last year. If you > recall, factory > assembled K3s spent longer at Aptos than the kits, and serial numbers > were pre-assigned at the time the order was pulled. The date of > manufacture (or shipment) is a much better indicator of > vintage for K3s > during that backlog period. > > Mine is of the December 2007 vintage and it has the same behavior as > Brian's which is June '08. It would appear that many earlier > K3s do not > display the same behavior. > > *If* the Data mode is stored in EEPROM, then I do have a good > guess for > the source, but we will have to wait on Wayne and Lyle for that > information - patience is good, the problem has been > identified and it > will not be ignored. > > Many thanks to Brian for spotting this. My data mode stays in DATA A > normally so I for one would not have noticed in normal operation. > > 73, > Don W3FPR > > Joe Subich, W4TV wrote: > >> Perhaps if we knew which S/N's are involved that might also > >> help unravel what's going on. > >> > >> Mine is #1129. Another reported his #980 had it. W3FPR is > >> seeing it also. I believe he has an even older K3. > >> > > > > I don't understand it either ... I've been TRYING to duplicate > > the symptoms and can't make the rig come up in anything except > > FSK D when that's where it was set. S/N is 622 but I've heard > > of "failures" with both higher and lower s/n. > > > > 73, > > > > ... Joe, W4TV > > > > > > > > > >> -----Original Message----- > >> From: Brian Alsop [mailto:[email protected]] > >> Sent: Friday, April 17, 2009 6:36 AM > >> To: [email protected] > >> Subject: Re: [Elecraft] K3 New fw loader > >> > >> > >> Joe, > >> > >> There has to be a common failure mode for those of us > >> experiencing this. > >> > >> Rumors have it that some EEPROMs are slow to write for series > >> of boards. > >> > >> Perhaps if we knew which S/N's are involved that might also > >> help unravel > >> what's going on. > >> > >> Mine is #1129. Another reported his #980 had it. W3FPR is > >> seeing it > >> also. I believe he has an even older K3. > >> > >> The odd thing is that whatever triggered this, can't be > >> cured by going > >> back to older FW versions and older FW loaders. > >> It's like an EEPROM memory bit is bad or not being written on > >> shutdown.. > >> Behaves like what you get when turning off power supply > rather than > >> the K3 power switch. > >> > >> A mystery indeed. > >> > >> 73 de Brian/K3KO > >> > >> Joe Subich, W4TV wrote: > >> > >> > >>> Strange ... I'm also running 3.10 loaded with the new utility. I > >>> loaded 3.10, DSP1 2.15, DSP2, 2.15, FP 1.00 and the data tables > >>> twice. Power was cycled power between the two uploads. > >>> > >>> I have not checked the second K3 ... it's offline at the moment > >>> waiting for me to make a couple of the updates. > >>> > >>> 73, > >>> > >>> ... Joe, W4TV > >>> > >>> > >>> > > > > > > ______________________________________________________________ > > 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 > > > ---------------------------------------------------------------------- > > -- > > > > > > No virus found in this incoming message. > > Checked by AVG - www.avg.com > > Version: 8.5.285 / Virus Database: 270.11.59/2064 - Release > Date: 04/17/09 07:08:00 > > > > > ______________________________________________________________ > 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

