I too have this problem. It smells like a software bug. On 9/4/2011 11:38 AM, Dave New wrote: > Don, > > I've had the same issues with a KRC2 I built some time ago. I've also > tried the same things -- two different USB-to-serial adapters, and a > hardware serial port, all to no avail. Interestingly enough, I can > re-flash the KRC2 with it's firmware, but not use the configuration > utility to change the band map. In my case, I wanted to set it up to > 3-of-8 (instead of the default 1-of-8) encoding, to drive an Ameritron > remote antenna switch. > > Elecraft's support tried to help me, including offering to look at > high-res pictures of both sides of the PCB, but nothing ever helped. My > plan now is to order the Ameritron control box, that will take 1-of-8 > and convert it to 3-of-8 encoding. That way I can use the KRC2 to > convert from the K3 Aux bus, and the Ameritron box will take it from there. > > I've searched this list from time to time, looking for others with KRC2 > questions, but not seen any (could have missed them, of course). > > As an electrical engineer and computer maven from way back (too far back > to admit, I suppose), it bugs me that I've never been able to root cause > the issue, but I've also not really had (or taken) the time to deep-dive > it, either. > > Hope that helps (or at least opens the conversation again, and maybe > someone else will have something concrete to contribute), > > -- Dave, N8SBE > > On 9/4/2011 2:18 PM, Don Sandstrom wrote: >> I need some help on the KRC2 I just built for use with my K3. I have the >> auxbus connection set up and the KRC2 responds fine to the band settings >> of the K3--turns on the relay drivers for each band and also the ACC >> drivers follow the K3's KRC2 config menu settings. The KRC2 also passes >> the push button tests in the manual. >> >> However, I want to change the band map of the KRC2 using the Elecraft >> KRC2 Configuration Programmer Software. I find the instructions for the >> s/w--on the Elecraft web site--as well as the KRC2 manual pretty cryptic. >> >> With the PC connected to the KRC2 PC port, and the slide switch in the >> DL position, the s/w KRC2 Config window pops up with "KRC2 Firmware = >> 1.5;". Simultaneously, but underneath that window I get the "Error >> connecting to a KRC2...No KRC2 found. ..." window. After closing both >> those windows, a try of the "Send To KRC2" button reports "Last Send >> Failed!". >> >> Does anyone have experience with this? Besides the slide switch, are >> there any jumpers in the KRC2 that need to be set? I have jumpers 9-23 >> all installed, and jumpers 1-8 all open. >> >> I'm guessing the "KRC2 Firmware = 1.5" report implies the PC is >> communicating with the KRC2. So why the "No KRC found." report? >> >> I've tried this with both a USB-serial converter and a hardware serial >> port with the same results. >> >> Any help appreciated. >> >> 73 - Don, W7VXS >> ______________________________________________________________ >> > > > ______________________________________________________________ > 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
-- Vic, K2VCO Fresno CA http://www.qsl.net/k2vco/ ______________________________________________________________ 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
