HI Gary, This was discussed recently. See:
http://elecraft.365791.n2.nabble.com/macro-to-control-KPA500-td7240517.html#a7243817 73, ~iain / N6ML On Sat, Feb 11, 2012 at 5:58 PM, Gary <[email protected]> wrote: > I have a question for the KPA500 owners: > > I've been reading through the manuals and exchanging some emails with > Elecraft support over whether or not a directly connected KPA500 amp can be > turned ON/OFF in concert with the K3 it's connected to. It appears this > capability doesn't exist however looking through the available I/O I've come > up with the following idea; > > I see a provision in the KPA500 for a pulsed low input at the KPA's AUX > connector pin 8 to turn the amp ON or OFF. For those not using transverters > could a K3 menu option be added to pulse low the K3's ACC connector pin 7 > (K3 ON) for KPA500 control? If I add a KPA500 to my K3/P3 station I would > like to be able to turn all ON/OFF using only the K3's power switch. I > realize the KPAUX cable set may not support this idea but aside from that > can it work? I'm mostly concerned about the turn OFF command and whether or > not it can be made to function as I suggested while the radio is in the > process of shutting itself down. If this does work then perhaps we can > persuade Wayne to add the option into a future K3 firmware upgrade. > > 73, > Gary > > N6LRV > > > > ______________________________________________________________ > 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

