Today's Message Index:
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1. 05:42 PM - Garmin GNC300 problem (Charlie England)
2. 09:59 PM - Re: Garmin GNC300 problem (David Lloyd)
Message 1
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"avionics-list@matronics.com" <avionics-list@matronics.com>
| Subject: | Garmin GNC300 problem |
--> Avionics-List message posted by: Charlie England <ceengland@bellsouth.net>
Posted for a friend:
New install of Garmin GNC300. All functions seem to work normally unless
the transmit button is held for 10-15 seconds. The display will then go
dim to dark & the unit hums & groans. This continues after the transmit
button is released. If power is cycled, the unit will immediately return
to normal operation. The owner has removed the GPS antenna & has seen
no change in the symptoms.
Any thoughts??
Thanks,
Charlie
Message 2
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"aeroelectric list" <aeroelectric-list@matronics.com>
| Subject: | Re: Garmin GNC300 problem |
--> Avionics-List message posted by: "David Lloyd" <skywagon@charter.net>
Charlie,
The transmit mode draws the most current of any mode of operation. It
sounds like the unit is being strangled for power during this time. Could
be: too small a gauge of wire used for hook-up, a bad ground, a bad circuit
breaker limiting current but not popping, a bad power supply in the new 300.
Take it back to the installer for testing. Let us know what the problem is.
David
----- Original Message -----
From: "Charlie England" <ceengland@bellsouth.net>
<avionics-list@matronics.com>
Subject: Avionics-List: Garmin GNC300 problem
> --> Avionics-List message posted by: Charlie England
> <ceengland@bellsouth.net>
>
> Posted for a friend:
>
> New install of Garmin GNC300. All functions seem to work normally unless
> the transmit button is held for 10-15 seconds. The display will then go
> dim to dark & the unit hums & groans. This continues after the transmit
> button is released. If power is cycled, the unit will immediately return
> to normal operation. The owner has removed the GPS antenna & has seen
> no change in the symptoms.
>
> Any thoughts??
>
> Thanks,
>
> Charlie
>
>
>
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