Dear Buck, thanks for your tips but I'm not sure if I have to do any mor because my K3 is brand new ! It came 05.September 2011 and has serial 5776. 73's Erwin/DK5EW
Am 23.09.2011 13:24, schrieb Buck k4ia: > It is not a fan, it is RF or other noise getting back into the mic > circuit. I had the same problem. Check the two mods on the Elecraft K3 > Enhancements and Application Notes page. Look for Older K3 Mods> > "Front Panel Microphone" and "Improving the Immunity of the real panel > RS232 and audio connectors" to see if they apply to your rig's serial > number. Do both to solve your problem. > > > Buck > k4ia > K3 # 101 > > On 9/23/2011 6:39 AM, DK5EW wrote: >> Hi all, >> I use at my K3 a HEIL PRO SET ELITE "IC", I had this as I use it at my >> old ICOM IC-275H as well. >> Now I recognised that I have a small noise on modulation like a fan that >> gives me some power output when I just push PTT. >> OK I have in my shack 2 additional fans for cooling the PA so I switched >> them of. The noise is lower but still there. >> and there are no other noise sources. So my setting for the HEIL headset >> are: >> - MIC: 25 >> - CMR: 25 >> - MIC SEL: RP + HIGH BIAS >> - MIC+LIN: OFF >> Do you have any idea if I can change setting to cancel that noise ? >> I can not believe that the microphone is that sensitive to pick up all >> little noises around. >> best regards Erwin/DK5EW >> >> >> >> ----- >> eMail ist virenfrei. >> Von AVG überprüft - www.avg.de >> Version: 10.0.1410 / Virendatenbank: 1520/3913 - Ausgabedatum: 22.09.2011 >> ______________________________________________________________ >> 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 > > > ----- eMail ist virenfrei. Von AVG überprüft - www.avg.de Version: 10.0.1410 / Virendatenbank: 1520/3913 - Ausgabedatum: 22.09.2011 ______________________________________________________________ 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
