You should notify Elecraft. It isn't supposed to work like this I don't believe.
Sent from my iPhone ...nr4c. bill > On Mar 15, 2017, at 2:35 PM, Alan. G4GNX <[email protected]> wrote: > > Absolutely sure, Bill. > > This happened once before with our club's K3 and it was definitely the issue. > > Today on my own K3, I was in QSO and I simply muffled the rear panel > microphone with my hand and the issue went away. The monitor was set at zero. > > 73, > > Alan. G4GNX > > -----Original Message----- From: Nr4c > Sent: Wednesday, March 15, 2017 5:13 PM > To: Alan. G4GNX > Cc: Elecraft Reflector > Subject: Re: [Elecraft] K3 microphone input selection > > Are you sure the other signal is from rear mic and not some other source? > > Try turning TX monitor to zero and see what happens. You may be picking sound > from speakers and not the rear mic. > > I've had K3 and K3S and have never had both mics "live" at same time. > > Sent from my iPhone > ...nr4c. bill > > >> On Mar 15, 2017, at 12:10 PM, Alan. G4GNX <[email protected]> wrote: >> >> When I have two microphones connected to the K3, one in the front panel and >> one in the rear panel, I can select which one I want to use and whether bias >> is turned on for either or both, via the menu as expected. >> If I select the rear panel microphone, it works as expected and the front >> panel mic is muted. >> If I select the front panel microphone it works OK, but the rear panel >> microphone is also unmuted and transmission sounds like two voices at the >> same time, probably due to the two mics being out of phase. >> Is there any way of selecting the front panel microphone only, with rear >> panel mic plugged in? >> As both microphones are electrets, the only way I can think of getting round >> it temporarily is to turn the bias off on the rear panel mic, when using the >> front panel mic, which is inconvenient and not a ‘clean’ solution. >> >> 73, >> >> Alan. G4GNX >> >> ______________________________________________________________ >> 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/mmfaqAbsolutely sure, Bill. > > This happened once before with our club's K3 and it was definitely the issue. > > Today on my own K3, I was in QSO and I simply muffled the rear panel > microphone with my hand and the issue went away. The monitor was set at zero. > > 73, > > Alan. G4GNX > > -----Original Message----- From: Nr4c > Sent: Wednesday, March 15, 2017 5:13 PM > To: Alan. G4GNX > Cc: Elecraft Reflector > Subject: Re: [Elecraft] K3 microphone input selection > > Are you sure the other signal is from rear mic and not some other source? > > Try turning TX monitor to zero and see what happens. You may be picking sound > from speakers and not the rear mic. > > I've had K3 and K3S and have never had both mics "live" at same time. > > Sent from my iPhone > ...nr4c. bill > > >> On Mar 15, 2017, at 12:10 PM, Alan. G4GNX <[email protected]> wrote: >> >> When I have two microphones connected to the K3, one in the front panel and >> one in the rear panel, I can select which one I want to use and whether bias >> is turned on for either or both, via the menu as expected. >> If I select the rear panel microphone, it works as expected and the front >> panel mic is muted. >> If I select the front panel microphone it works OK, but the rear panel >> microphone is also unmuted and transmission sounds like two voices at the >> same time, probably due to the two mics being out of phase. >> Is there any way of selecting the front panel microphone only, with rear >> panel mic plugged in? >> As both microphones are electrets, the only way I can think of getting round >> it temporarily is to turn the bias off on the rear panel mic, when using the >> front panel mic, which is inconvenient and not a ‘clean’ solution. >> >> 73, >> >> Alan. G4GNX >> >> ______________________________________________________________ >> 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] ______________________________________________________________ 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]

