Turn the Squelch knob to the left on the 403 MC. It is picking up the ambient
noise
so needs to be less sensitive. I had similar sounds and this cured it. Just
turn it until the unwanted noise stops, too much and you can't hear your
passenger.
Martin Tuck
Sent from my iPad
> On Nov 20, 2013, at 12:24 PM, "robertpeterfrost" <robertpeterfrost@aol.com>
> wrote:
>
>
> Hi all
>
> I have a tri-gear XS with a 914 turbo engine and constant speed prop, when we
apply full turbo power on take off we get a metallic ticking/clanging noise
through
the Becker radio / 403 mc intercom, it rarely recedes when we throttle
back which is extremely annoying . The avionics were wired professionally but
the noise just won't go away completely. Has anyone any suggestions what could
be causing this or have you had a similar problem that you resolved,
> Suggestions would be welcome?
>
> Regards
>
> Robert Frost
>
> --------
> Robert
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> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=413584#413584
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