Jack: there is a K3 Utility Help troubleshooting page on MCU load failures. It has a step by step recovery procedure. Joe has it right, you will need to remove the microHAM router from the chain for the recovery.
I use ABCD switches to connect one KUSB to a variety of Elecraft products and another to connect a K3 to various interface products for testing. 73 de Dick, K6KR Sent from my iPad On Apr 17, 2012, at 3:35 AM, "Joe Subich, W4TV" <[email protected]> wrote: > > microHAM "keyer" interfaces (CW Keyer, Digikeyer, DigiKeyer II, > microKEYER, microKEYER II, and MK2R/MK2R+) as well as Station Master > and Station Master Deluxe *do not support* firmware uploading in > *any* transceiver. > > It *may* be possible to upload to the K3 by setting Router's "Radio" > option to "no radio (mode selected manually)" and powering the keyer > from a dedicated supply. However, microHAM recommends using a true > RS-232 port or KUSB and accepts no responsibility if the keyer is > used for uploading firmware. > > I use RS-232 switches and a "real" serial port for updating all of > my Elecraft equipment. > > 73, > > ... Joe Subich, W4TV > microHAM America, LLC. > http://www.microHAM-USA.com > http://groups.yahoo.com/group/microHAM > > > On 4/17/2012 8:35 AM, Jack Brabham wrote: >> Joe, >> >> I am trying, unsuccessfully, to do a K3 download via my microKeyer 2. >> I'm using a profile with everything off except the K3 that worked last >> time I did one of these downloads a year or 2 ago. >> >> I get the usual K3 stuck in "MCU load" and the K3 utility cycling thru >> various speeds trying to connect. >> >> Any suggestions? I'm running Win7 64 and do not have a serial port on my >> PC. >> >> 73 Jack KZ5A >> > > > > > ______________________________________________________________ > 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
