[Elecraft] KRC2 Need help with configuration utility

[Vic K2VCO]

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:Elecraft at mailman.qth.net
>
> 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/