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Subject:
From:
Colin McDonald <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Tue, 5 Jun 2007 15:45:54 -0600
Content-Type:
text/plain
Parts/Attachments:
text/plain (82 lines)
excellent, thanks that would be great.
73
Colin, V A6BKX
----- Original Message ----- 
From: "Gary Lee" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, June 05, 2007 7:56 AM
Subject: Re: ht headset


> Colin:
>
> Yes, I was taking power from the mic jack on the rig.  Used about a 1k
> resistor as a current limiter.
> I can give you a text description of the circuit when I get home this
> evening.  That caused an interesting problem.  The k2 is not exactly
> kenwood equivalent wiring.
> With the ts2000, dc was on pin 5 I think.  However, on the k2 it was on
pin
> 6.  So, I installed a toggle switch for that as well.
> At 01:11 AM 6/5/2007 -0600, you wrote:
> >It may well have power from the HT, but i believe the center ring on the
> >2.5MM jack is used for PTT, and the center pin on the 3.5MM jack is used
for
> >data with use of the PC programming cable.
> >That said, there is nothing to prevent 3 or 5VDC from being sent up the
> >audio line from the tip of the 2.5MM connecter.
> >I'll have to check that.
> >When you use the headsets on the HF rigs, were you taking power from the
> >mike jack to turn on the condenser microphone element in the headset?
> >
> >73
> >Colin, V A6BKX
> >----- Original Message -----
> >From: "Gary Lee" <[log in to unmask]>
> >To: <[log in to unmask]>
> >Sent: Monday, June 04, 2007 6:38 PM
> >Subject: ht headset
> >
> >
> > > Colin:
> > >
> > > your idea should work.  I have taken your garden variety computer
> > > headset mic and built an adapter box to use it with anything wired
> > > for the kenwood 8 pin mic connnector.
> > > I have used it on both my kenwood ts2000 and the elecraft k2.  Audio
> > > reports cannot tell the difference between the headset and the mc43
> >microphone.
> > > As for power, see, the ht's mic jack may be powered.
> > > Good luck, and hope this helps.
> > >
> > >
> > > --
> > > No virus found in this outgoing message.
> > > Checked by AVG Free Edition.
> > > Version: 7.5.472 / Virus Database: 269.8.9/832 - Release Date:
6/4/2007
> >6:43 PM
> > >
> > >
> > > --
> > > No virus found in this incoming message.
> > > Checked by AVG Free Edition.
> > > Version: 7.5.472 / Virus Database: 269.8.7/830 - Release Date:
6/3/2007
> >12:47 PM
> > >
> > >
>
> Gary Lee
> Ball State University
> 765-285-1310
>
>
> -- 
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.5.472 / Virus Database: 269.8.7/830 - Release Date: 6/3/2007
12:47 PM
>
>

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