This is the internal encoder signal being picked up by the very sensitive receiver.
Look up the VFO NR menu option. It should be on page 42 of your KX3 manual. You can turn that ON per-band to reduce the noise. Also see the “Tuning Noise Suppression Modification” app note on this page: http://www.elecraft.com/KX3/kx3_app_notes.htm "Factory assembled KX3s from serial number 4668 up, and kits from serial number 4753 up that include the KXFL3 option have been shipped with the updated board.” Details on the mod: http://www.elecraft.com/manual/KX3%20Tuning%20Noise%20Mod%20rev%20B3.pdf wunder wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Nov 7, 2015, at 9:28 AM, Bob <[email protected]> wrote: > > I did not find a thread on this. > > I note a low level rasping sound when moving the VFO on 12M only. Stops when > you stop turning. > > 72, Bob KIØG > ______________________________________________________________ > 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]
