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Squeal PTT

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aaaron(at)tvp.com.au
Guest

Posted: Wed Nov 12, 2008 6:29 pm Post subject: Squeal PTT

I have a Flightcom  403 intercom and an Apollo 40 transceiver in my 2 place plane. Until yesterday,  I hadn't installed the co-pilot ptt and the radio and intercom has worked fine.  Yesterday I hooked up the co-pilot ptt and now when I try to transmit (as pilot)  and press the ptt I get a high pitch squeal in the headsets. When the co-pilot  transmits, that squeal is not present. Intercom and radio reception are  fine unless I press the pilot ptt.  Is there something obvious that I've  done wrong? Where would I start to try to trace the problem? Thank you.  Allan

  [quote][b]

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l_luv2_fly(at)yahoo.com
Guest

Posted: Wed Nov 12, 2008 7:22 pm Post subject: Squeal PTT

Hi Allan,



Would your headsets happen to be ANR.  I had a similar issue with my old LightSpeed 25XL's, but conventional headsets worked fine.



Paul

From: Allan Aaron <aaaron(at)tvp.com.au>

To: aeroelectric-list(at)matronics.com

Sent: Wednesday, November 12, 2008 8:27:09 PM

Subject: Squeal PTT



      I have a Flightcom  403 intercom and an Apollo 40 transceiver in my 2 place plane. Until yesterday,  I hadn't installed the co-pilot ptt and the radio and intercom has worked fine.  Yesterday I hooked up the co-pilot ptt and now when I try to transmit (as pilot)  and press the ptt I get a high pitch squeal in the headsets. When the co-pilot  transmits, that squeal is not present. Intercom and radio reception are  fine unless I press the pilot ptt.  Is there something obvious that I've  done wrong? Where would I start to try to trace the problem? Thank you.  Allan

  [quote]



[b]

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aaaron(at)tvp.com.au
Guest

Posted: Wed Nov 12, 2008 8:16 pm Post subject: Squeal PTT

Yes - my pilot headset is a Lightspeed.  I didn't try  a passive one - but will do that on the weekend. Did you solve the problem or  are you just using conventional headsets now?

 Allan



   From:  owner-aeroelectric-list-server(at)matronics.com  [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Paul  McAllister

Sent: Thursday, 13 November 2008 2:22 PM

To:  aeroelectric-list(at)matronics.com

Subject: Re: Squeal  PTT

 

  Hi Allan,



Would your headsets happen to be ANR.  I had a  similar issue with my old LightSpeed 25XL's, but conventional headsets worked  fine.



Paul



 

   From: Allan Aaron  <aaaron(at)tvp.com.au>

To:  aeroelectric-list(at)matronics.com

Sent: Wednesday, November 12, 2008 8:27:09  PM

Subject: AeroElectric-List:  Squeal PTT



 I have a Flightcom  403 intercom and an Apollo 40 transceiver in my 2 place plane. Until yesterday,  I hadn't installed the co-pilot ptt and the radio and intercom has worked fine.  Yesterday I hooked up the co-pilot ptt and now when I try to transmit (as pilot)  and press the ptt I get a high pitch squeal in the headsets. When the co-pilot  transmits, that squeal is not present. Intercom and radio reception are  fine unless I press the pilot ptt.  Is there something obvious that I've  done wrong? Where would I start to try to trace the problem? Thank you.  Allan

[quote]







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href="http://forums.matronics.com">http://forums.matronics.com

[b]

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l_luv2_fly(at)yahoo.com
Guest

Posted: Thu Nov 13, 2008 4:23 pm Post subject: Squeal PTT

Hi Allan,



I called LightSpeed and the worked on them at no charge to address the problem.  I can't say that it was completely fixed, but it improved them to the point of making them usable.



In a weak moment at AirVenture I bought some Bose for my airplane and they work without any issues.  I had buyers remorse for some time due to the cost of them, but they sure are nice.



Cheers, Paul

From: Allan Aaron <aaaron(at)tvp.com.au>

To:  aeroelectric-list(at)matronics.com

Sent: Wednesday, November 12, 2008 10:15:49 PM

Subject: RE: Squeal PTT



     DIV { MARGIN:0px;}    Yes - my pilot headset is a Lightspeed.  I didn't try  a passive one - but will do that on the weekend. Did you solve the problem or  are you just using conventional headsets now?

 Allan



         [quote][b]

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aaaron(at)tvp.com.au
Guest

Posted: Fri Nov 14, 2008 11:33 pm Post subject: Squeal PTT

Paul, you were right.  It was my lightspeed Twenty3G headset that was the problem.  My 20XLc work fine as do the passive set I used.  I’ll email lightspeed and see if they will fix them. Thanks for the tip!  

Allan  

   

On Behalf Of Paul McAllister

        

Hi Allan,

 I called Light Speed and the worked on them at no charge to address the problem.  I can't say that it was completely fixed, but it improved them to the point of making them usable.

 Cheers, Paul  

  

   	  Quote: 	
		   	


     

  Checked by AVG.

 13/11/2008 6:01 PM

  

  Checked by AVG.

 14/11/2008 7:32 PM

    [quote][b]

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