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[Yaesu] HUM

To: <yaesu@contesting.com>
Subject: [Yaesu] HUM
From: Sam_Stimson@Dell.com (Sam_Stimson@Dell.com)
Date: Fri, 4 Jan 2002 07:10:55 -0600
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I have a similar problem with my Clear Speech Base Unit. My problem is only
on 75 meters. After initial turn on there is no hetrodyne but after about 5
minutes there is a bad noise. I am using a switcher for the power supply and
I think this might be the problem. I have to change power supplies to find
out. 
 
Sam
N5WU

-----Original Message-----
From: Herbert Raemsch [mailto:hwr@lockhavenonline.com]
Sent: Friday, January 04, 2002 6:57 AM
To: Yaesu
Subject: [Yaesu] HUM


    Hello Folks
    Hope I am doing this correct as it is my first time.
    Anyways I have aslight problem.Bought myself a ClearSpeach Base unit to
use on my FT-840 and my SP-6 spkr.Unit works great but noticed when I plug
my Heil headphones into the SP-6 headphone jack and with the audio filter
set at normal on the spkr I have aslight hum.Now I can get rid of the hum by
turning the low filter to #3 setting.When the headphones are not being used
I cannot detect any hum in the speaker at all with the Low setting at
normal.Am useing a wall-wart with the ClearSpeach unit that they supply.
    Any ideas??? Its not areal bad hum but you know its there if you donot
filter it out. Can be reached at hwr@lockhavenonline.com
<mailto:hwr@lockhavenonline.com>  or on the list
 
Thank You
Herb WA3HGT


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<DIV><FONT color=#0000ff face=Arial size=2><SPAN class=729290813-04012002>I 
have 
a similar problem with my Clear Speech Base Unit. My problem is only on 75 
meters. After initial turn on there is no hetrodyne but after about 5 minutes 
there is a bad noise. I am using a switcher for the power supply and I think 
this might be the problem. I have to change power supplies to find out. 
</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN 
class=729290813-04012002></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN 
class=729290813-04012002>Sam</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN 
class=729290813-04012002>N5WU</SPAN></FONT></DIV>
<BLOCKQUOTE style="MARGIN-RIGHT: 0px">
  <DIV align=left class=OutlookMessageHeader dir=ltr><FONT face=Tahoma 
  size=2>-----Original Message-----<BR><B>From:</B> Herbert Raemsch 
  [mailto:hwr@lockhavenonline.com]<BR><B>Sent:</B> Friday, January 04, 2002 
6:57 
  AM<BR><B>To:</B> Yaesu<BR><B>Subject:</B> [Yaesu] HUM<BR><BR></DIV></FONT>
  <DIV>&nbsp;&nbsp;&nbsp; Hello Folks</DIV>
  <DIV>&nbsp;&nbsp;&nbsp; Hope I am doing this correct as it is my first 
  time.</DIV>
  <DIV>&nbsp;&nbsp;&nbsp; Anyways I have aslight problem.Bought myself a 
  ClearSpeach Base unit to use on my FT-840 and my SP-6 spkr.Unit works great 
  but noticed when I plug my Heil headphones into the SP-6 headphone jack and 
  with the audio filter set at normal on the spkr I have aslight hum.Now I can 
  get rid of the hum by turning the low filter to #3 setting.When the 
headphones 
  are not being used I cannot detect any hum in the speaker at all&nbsp;with 
the 
  Low setting at normal.Am useing a wall-wart with the ClearSpeach unit that 
  they supply.</DIV>
  <DIV>&nbsp;&nbsp;&nbsp; Any ideas??? Its not areal bad hum but you know its 
  there if you donot filter it out. Can be reached at <A 
  href="mailto:hwr@lockhavenonline.com";>hwr@lockhavenonline.com</A> or on the 
  list</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>Thank You</DIV>
  <DIV>Herb WA3HGT</DIV></BLOCKQUOTE></BODY></HTML>

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