X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 12 Jul 2007 18:00:45 -0400 Message-ID: X-Original-Return-Path: Received: from outbound-mail.dca.untd.com ([64.136.47.15] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with SMTP id 2172283 for lml@lancaironline.net; Wed, 11 Jul 2007 23:05:10 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.136.47.15; envelope-from=glong2@netzero.net Received: from your4dacd0ea75 (dialup-4.228.72.160.Dial1.Denver1.Level3.net [4.228.72.160]) by smtpout05.dca.untd.com with SMTP id AABDKMGR9ALV6EEJ for (sender ); Wed, 11 Jul 2007 20:03:27 -0700 (PDT) From: "glong2" X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] Lighspeed headset squeal X-Original-Date: Wed, 11 Jul 2007 21:03:09 -0600 X-Original-Message-ID: <000501c7c431$32e7c480$a048e404@your4dacd0ea75> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01C7C3FE.E84D5480" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcfD+ij5VjWNRBrNSRybYD4GoSV6NQAJ1RKQ In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 X-ContentStamp: 11:5:1997410088 X-MAIL-INFO:4c2d01412d0cbd2949410ca549c1d5e5b1f919583978fc258545083565cc5531fcbd6d6da8adb8c569b18d4c4c914121f929014985999981393d2cb5edb811 X-UNTD-OriginStamp: QLtLkOW1eqYBwH/v5e7EP5eT+HspBoRUTsbE/Omw1rS7FfiyiS8GTw== X-UNTD-Peer-Info: 10.171.42.35|smtpout05.dca.untd.com|smtpout05.dca.untd.com|glong2@netzero.net This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C7C3FE.E84D5480 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Dom: I have the same squeal in my Lightspeed headsets. Today I troubleshot the squeal and found that the Chelton intensity control caused the squeal. When the intensity is the brightest - no squeal. When either EFIS is turned down to a lower intensity it seems the squeal is picked up by the SL15 and put into the headsets. I had heard the squeal intermittantly and it seemed it would come and go, now I think I know why! By the way my squeal was just audible over the other noise while flying, but very audible while on the ground with no motor or wind noise. Eugene Long Lancair Super ES glong2@netzero.net _____ From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Dominic V Crain Sent: Wednesday, July 11, 2007 2:29 PM To: lml@lancaironline.net Subject: [LML] Lighspeed headset squeal Hmm - Had a very loud and irritating feedback type squeal develop in my Lightspeed 3G ANR headset today. Have had it happen before, and wondered if it might be a highly sensitive mike licking up something from the surrounding area be it wind noise or whatever. Volume down doesn't reduce it and switching off the IC doesn't affect it. Any suggestion as to what it might be please? Cheers Dom Crain VH-CZJ ------=_NextPart_000_0006_01C7C3FE.E84D5480 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Dom:

 

I have the same squeal in my = Lightspeed headsets. Today I troubleshot the squeal and found that the Chelton = intensity control caused the squeal. When the intensity is the brightest – = no squeal. When either EFIS is turned down to a lower intensity it seems the squeal = is picked up by the SL15 and put into the headsets. I had heard the squeal = intermittantly and it seemed it would come and go, now I think I know = why!

 

By the way my squeal was just = audible over the other noise while flying, but very audible while on the ground with = no motor or wind noise.

 

Eugene Long

Lancair Super ES

glong2@netzero.net

From: = Lancair Mailing List = [mailto:lml@lancaironline.net] On Behalf Of Dominic V Crain
Sent: Wednesday, July 11, = 2007 2:29 PM
To: = lml@lancaironline.net
Subject: [LML] Lighspeed = headset squeal

 

Hmm – Had a very loud and irritating = feedback type squeal develop in my Lightspeed 3G ANR headset = today.

Have had it happen before, and wondered if it = might be a highly sensitive mike licking up something from the surrounding area = be it wind noise or whatever.

Volume down doesn’t reduce it and = switching off the IC doesn’t affect it.

Any suggestion as to what it might be = please?

Cheers

Dom Crain

VH-CZJ

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