Yes, Mike but my ICOM AC200 auto squelch takes most of the incoming signal
which you want also.! Dump the auto squelch control(Test Button ) you get
the signal from afar but all the other crap with it !
Regards
Bob H G-PTAG
----- Original Message -----
From: "MICHAEL PARKIN" <mikenjulie.parkin@btopenworld.com>
Subject: Re: Europa-List: ANR Heasdsets
<mikenjulie.parkin@btopenworld.com>
>
> I don't think that is correct. The radio squelch sets the threshold for
the
> signal to noise ratio of the incoming radio signal. It has nothing to do
> with mic circuit on the receiving aircraft. In practice, listening to a
> distant weather broadcast for example: With the squelch on, it maybe that
> nothing can be heard. However, adjusting the squelch, may well allow the
> signal to be heard among the rest of the noise. On many modern systems,
the
> squelch is either on(level set automatically) or off.
>
> regards,
>
> MP (GJULZ)
>
> ----- Original Message -----
> From: "Richard Holder" <rholder@avnet.co.uk>
> To: <europa-list@matronics.com>
> Subject: Re: Europa-List: ANR Heasdsets
>
>
> >
> > You should be able to set the squelch to keep the level of background
> noise
> > picked up by the microphone to a minimum.
> >
> > Effectively it becomes voice operated. The mike circuit doesn't work
until
> > enough volts are produced inside the mike by the sound of your voice.
> >
> > 'orrible simplification !
> >
> > Richard
> > Richard F.W. Holder 01279 842804 (POTS)
> > Bell House, Bell Lane, 01279 842942 (fax)
> > Widford, Ware, Herts, 07860 367423 (mobile)
> > SG12 8SH email : rholder@avnet.co.uk
> > Europa Classic Tri-gear : G-OWWW, High Cross
> > PA-28-181 : Piper Archer : G-JANA, EGSG (Stapleford)
> >
> >
> <carl_p@ntlworld.com>
> > >
> > > Yes and No, our radio and intercom are integrated (ICOM 200) so it
would
> > > require some rejigging to integrate a new intercom box in the circuit.
> Might
> > > be easier to fit an isolator switch on the mic (so you could hear
> incoming
> > > transmissions but not the noise from the mikes).
> > >
> > > It may be easier to replace the headsets for ones that are cleverer at
> > > killing the noise.
> > >
> > >
> >
> >
>
>
|