Do you have the rear panel switch on? Pin 8 is in parallel with the front panel pushbutton, so it will power on/off the KPA500 under the same conditions as the front panel power button.
73! Jack, W6FB > On Oct 31, 2019, at 12:35 PM, DAVID INGEBRIGHT <[email protected]> wrote: > > I'm wanting to utilize the AUX connector pins on my KPA 500 to remotely turn > on and off the amplifier. The interface diagram on pg 25 of the manual shows > pins 8 and 12 can be momentarily shorted to control the power. (#8 grounded) > My plan is to do this via a 1216 webswitch. But when I touch 8 and 12 > together, nothing happens. I've checked and verified all plugs tight and pins > are correct. Possibly I need to pull 8 low with -12volts? I know a lot of you > leave your amp in STBY all the time but I'd like the flexibility to turn it > off and on remotely with extra contacts on the webswitch. > Thanks de dave WB7ELY > ______________________________________________________________ > 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 > Message delivered to [email protected] ______________________________________________________________ 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 Message delivered to [email protected]

