Check the schematic. The aux 12V is really "close" to the 12V input, being dropped by one diode and a FET junction. There's no shunt in that leg. No way to measure I to the 12V output.
matt W6NIA On Mon, 30 May 2011 18:18:44 +0100, you wrote: >Well, it's in the title really, but I was surprised to find that >turning the P3 off does not reduce the current reading on the K3 >display (the P3 is powered by the 12v acc skt). That's a pity as it >would be useful to see the load on that socket without using an >external ammeter. Yes, I do have other 12V supplies etc etc..... :-) > >I guess that's a hardware rather than a firmware issue? > >73 Stephen G4SJP >______________________________________________________________ >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

