Bill Applegate Posted November 22, 2010 Report Posted November 22, 2010 I have been experiencing a constant whirling or chirping sound in my headset and it is also apparent when I transmit. This issue has been present since I first acquired the aircraft back in January. My CTSW is a 2006 model. All of these sounds go away when I pull the generator circuit breaker, then the headset audio and transmissions are crystal clear. I have purchased a filter that is supposed to eliminate this problem but, have not installed it as yet. I will let you all know what the results are when I have. In the meantime, has anyone else experienced this issue and if so how did you correct for it? Thanks, Bill in Tucson, AZ.
Philip Welsch Posted November 23, 2010 Report Posted November 23, 2010 I have been experiencing a constant whirling or chirping sound in my headset and it is also apparent when I transmit. This issue has been present since I first acquired the aircraft back in January. My CTSW is a 2006 model. All of these sounds go away when I pull the generator circuit breaker, then the headset audio and transmissions are crystal clear. I have purchased a filter that is supposed to eliminate this problem but, have not installed it as yet. I will let you all know what the results are when I have. In the meantime, has anyone else experienced this issue and if so how did you correct for it? Thanks, Bill in Tucson, AZ. I have a similar situation in my 2008 LS. It stops when the intercom is selected off (even with generator still on). It is most noticeable at idle and taxi rpm. I don't notice it at higher rpms. PRW
Olav Posted November 24, 2010 Report Posted November 24, 2010 Same issue with my 2007 CTSW. Intermittent...comes and goes. When present it is a low whirring sound that varies with engine RPM. Have checked ground and all appears good. Most noticeable at idle. Switch off intercom and it goes away also. Does not interfere with comms but is a little distracting. Lightspeed 33g headsets but tested with non-noise canceling David Clarks and still there, so is not a headset issue.
Bill Applegate Posted November 26, 2010 Author Report Posted November 26, 2010 Same issue with my 2007 CTSW. Intermittent...comes and goes. When present it is a low whirring sound that varies with engine RPM. Have checked ground and all appears good. Most noticeable at idle. Switch off intercom and it goes away also. Does not interfere with comms but is a little distracting. Lightspeed 33g headsets but tested with non-noise canceling David Clarks and still there, so is not a headset issue.
Bill Applegate Posted November 26, 2010 Author Report Posted November 26, 2010 Thanks for the feedback. I thought that I was the only one with this issue (we don't have problems anymore). Hope to have the filter installed tomorrow via Roger Lee (He's in the hangar right next to me here in Tucson). I'll post the results. Regards to all.............Bill .
207WF Posted December 1, 2010 Report Posted December 1, 2010 Check the RF settings on the radio. I had similar, not identical problems as did a Technam on our field. The problem was RF interference and a less sensitive radio setting cured it. (Sorry, I can't recall exactly which one or how we set them.) WF
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