Thanks, that's good info. It is certainly easier to select the radio type to "None" than mess around changing serial cables.
73 Stewart G3RXQ On Mon, 5 May 2008 08:53:43 -0600, Dick Dievendorff wrote: > The last item in "USB to Serial Adapter Troubleshooting" part of K3 Utility > Help was provided to me by W4TV, microHAM's US distributor. > > The microHAM router gets in the way of K3 Firmware loads unless you change > the radio type in the microHAM router to "None". > > The K3's "boot loader" (the permanent part that is receiving MCU firmware > from the K3 Utility) expects what is being sent by the K3 Utility, without > "added value" from intermediate software. microHAM's router is undoubtedly > doing a reasonable thing if the radio is acting like the K3 described in the > K3 programmer's reference, but during firmware load the MCU doesn't respond > to the entire K3 command set, and the K3 Utility isn't expecting responses > to anything other than what it sent. > > 73 de Dick, K6KR > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of G3SJJ > Sent: Monday, May 05, 2008 4:59 AM > Cc: [email protected] > Subject: Re: [Elecraft] K3 FW Download Crash > > Altered the subject to Download! Well, one step forward, two steps back! > > After several emails from Wayne lst night, and during his Sunday > afternoon I should add, so thanks, Wayne last night, I decided to switch > off. > > I had managed to get the download done OK but transmitted audio wasn't > correct. It sounded as though the carrier oscillator was too high up the > passband slope. > > Switched on this morning and everything was OK. It sounded really good. > It should have left it at that! Oh, no. I decided to do the overnight > upgrade and now I am back to square one. > > I am in exactly the same positions as at first - Flashing Red LED, LCD > display not lit but MCU LD wording visible. > > This time after holding the Power button down for 10 seconds I can start > another download but it fails after a while. Sometiems I get up to 10 > bars, other times it stops at 3. I then get the error message "MCU > programming failed. Verify file source and version. Turn the K3 off and > back on and retry" > > I have tried rebooting computer, switching K3 PSU off, holding Power > button down etc numerous times. > > The only thing that I have done differently on this download is what > Stewart has mentioned below. I am using the mHam Keyer as my radio to > computer interface. If I could get the K3 to work I could go back to RS232!! > > Chris G3SJJ > > > Stewart Baker wrote: >> No need to be embarrassed Chris, the same thing happened to me. >> I found that things got screwed up with the microkeyer router >> software which had set the virtual com port at 9.6k instead of >> 38.4k. >> >> I then used a proper RS232 port and lead, and all went well. >> >> To get in a good state, remove the power from the K3, and then >> hold the Power button for 10 secs. The TX light should come on, >> and the display show MCU LD. It will then be receptive to another >> upload attempt. >> >> 73 >> Stewart G3RXQ >> On Sun, 04 May 2008 20:32:48 +0100, G3SJJ wrote: >> >>> Oh dear, I have done something really wrong!! Had a senior moment and >>> >>> pressed some keys whilst in process of the latest upgrade. Can anyone >>> >>> extract me out of my mess?? >>> >>> - Upload has stopped >>> - Display unlit but I can see MCU LD >>> - Red TX LED flashing >>> - Fans on full >>> - Can't power off at the radio >>> >>> A most embarassed Chris G3SJJ !! >>> > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
