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GMA 340 Audio Panel and Garmin 496

 
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emrath(at)comcast.net
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PostPosted: Mon Oct 08, 2007 4:39 pm    Post subject: GMA 340 Audio Panel and Garmin 496 Reply with quote

Listers:

Here is another issue that I've not been able to solve, maybe someone has
already done this and/or give me some advice. I have a Garmin GMA 340 Audio
Panel, pre-wired by Stark Aviation. I also have a Garmin 496. I would like
to connect the alerts/alarms feature of my 496 to the audio panel. My
understanding is these alarms come over the "music out" from the 496 but
maybe this isn't the only output. My audio panel has Music inputs, which I
have planned to connect to a 1/8" jack for use with an IPOD. Only one
music source can be used by the Pilot (me) so if I used 1/8 inch music cord
(1/8 inch plugs on either end). I could either plug in my IPOD or the 496,
but not both at the same time.

I am using a Garmin Power/Data cable to wire ship power to the 496. This
cord has the following wires with labels as:

Red DC Input
Blue Port 1 out
White Alarm
Orange voice (-)
Violet port 2 out
Black Grd
Yellow Port 1 in
Brown Voice +
Green port 2 in.

I am presently useing the Red DC Input, Black Grd, and Blue Port 1 out
(split to 3 leads for GPS steering, commuication to my fuel totalizer and
Sl-30 for airport freq data exchanging).
My wire harness for the Audio Panel also has two lines emanating marked
Unswitched Audio Hi and one marked Unswitched Audio Lo as wired by Stark
Aviation. I'm not sure how these are to be used.

So here's the question, if you've followed me so far, can any of these
Power/Date wires be connect to my Audio Panel to enable me to hear just the
alarms while listening to my IPOD?

Later, I may hook up the satellite radio to the music inputs and will need a
switch to select between IPOD and Satellite Radio.

Can someone point me in the right direction (Mr. Stein?), other than to
change my whole equipment package?

Marty in Brentwood TN
RV-6A taking way too long!


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Dave(at)AirCraftersLLC.co
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PostPosted: Mon Oct 08, 2007 10:05 pm    Post subject: GMA 340 Audio Panel and Garmin 496 Reply with quote

Marty,

The music output from the 496 should go to the music input ( No. 1 or No. 2,
your choice) of the GMA340. All that comes from the music out is the XM
stuff. By running it into the music input, it will mute when you receive
other transmissions.

The "voice" + and - from the GPS power cord go to the unswitched audio on
the audio panel. That will get you all the voice outputs from the GPS for
warnings, etc.

On my installation, I toggled Music 1 input between XM and the 1/8 jack you
mentioned with a simple switch.

Any questions feel free to call.

Dave Saylor
AirCrafters LLC
140 Aviation Way
Watsonville, CA
831-722-9141
831-750-0284 CL
www.AirCraftersLLC.com


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