Is part of a proprietary signaling protocol on the auxbus line in the cable.
73, Eric On 4/6/2011 10:20 AM, Joe Subich, W4TV wrote: >> It also feeds back KPA500 status to the K3, which allows the K3 to >> change between two user set power levels when the amp is in-line or >> in standby. (Say 30-45W to drive the amp, and 100W when the amp is >> bypassed.) > Is this done by a contact closure (e.g., DIGIN), AuxBus or CAT? > Access to the interface/API would be of value for use with other > amplifiers or perhaps tuner. I can think of a couple places to > use the information. > > 73, > > ... Joe, W4TV > > > On 4/6/2011 1:08 PM, Eric Swartz - WA6HHQ, Elecraft wrote: >> Answers below >> 73, Eric >> --- >> On 4/6/2011 9:49 AM, Mike Fatchett wrote: >>> The manual describes an optional cable availabe from Elecraft but it is >>> not in the price list. I have a K3 and P3. Is the cable part of the >>> kit or the assembled amp? >> -- It is an optional cable since it is only applicable to the K3. >> I'll get it up on the >> order form ASAP. (We're running hard this morning! :-) >> >> Also note that the KPA500 will auto band-switch with just RF >> and PTT , following >> the K3 and most other rigs in about 10-15 ms of 1st TX. The >> AUX cable provides >> amplifier band switching prior to TX, and also allows the >> dedicated band buttons >> on the KPA500 to control K3. It also feeds back KPA500 status >> to the K3, which >> allows the K3 to change between two user set power levels when >> the amp is >> in-line or in standby. (Say 30-45W to drive the amp, and 100W >> when the amp >> is bypassed.) >>> Can we purchase the European AC cord as it might be handy for those who >>> travel abroad. >> Yes, I'll add this to the order form at the same time. (in the >> next 15 minutes.) >>> Mike W0MU >>> ______________________________________________________________ >>> >> ______________________________________________________________ >> 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 ______________________________________________________________ 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
