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Nav Audio Connection

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Harold Lanfear

Joined: 02 Dec 2006
Posts: 6
Location: West Grove, PA

Posted: Sun Apr 25, 2010 4:17 am Post subject: Nav Audio Connection

I'm currently wiring the audio portion of my Garmin  430W into the intercom.  The company that did the harness simply labeled  this wire as "Nav Audio, for future use"  When I traced the pinouts, I  discovered this wire to be the VOR / ILS Audio Hi & Lo wires.  Can I  connect these to the same pins as the Com Audio without a problem?

  

 I'm using Vern Little's AMX-2A Audio Mixer for some  audio inputs from my Grand Rapids EIS and some warning systems so I could use  this for the Nav input as well, if that would be better.

  

 Thanks for the help in advance.

  

 Harold Lanfear

   [quote][b]

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nuckolls.bob(at)aeroelect
Guest

Posted: Sun Apr 25, 2010 6:14 am Post subject: Nav Audio Connection

At 07:11 AM 4/25/2010, you wrote:

  	  Quote: 	
		   I'm currently wiring the audio portion of my Garmin 430W into the intercom.  The company that did the harness simply labeled this wire as "Nav Audio, for future use"  When I traced the pinouts, I discovered this wire to be the VOR / ILS Audio Hi & Lo wires.  Can I connect these to the same pins as the Com Audio without a problem?

 	
  Yes. LO = ground, HI = nav audio source

  	  Quote: 	
		   

 I'm using Vern Little's AMX-2A Audio Mixer for some audio inputs from my Grand Rapids EIS and some warning systems so I could use this for the Nav input as well, if that would be better. 	


   Normally one would gather all audio sources together into

   a single mixer . . . so yes, that would be preferre.



   Bob . . .    [quote][b]

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stein(at)steinair.com
Guest

Posted: Sun Apr 25, 2010 9:48 am Post subject: Nav Audio Connection

Hi Harold,  

   

Not really a good idea to hook those together as they are meant for a separate channel on either the mixer or audio panel/intercom so you can shut the “ident” stream off when no desired.  The LOW isn’t that big of a deal (Low mostly = ground).  

   

Cheers,  

     

Stein   

  

       

From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Harold Lanfear

 Sent: Sunday, April 25, 2010 7:12 AM

 To: AeroElectric-List(at)matronics.com

 Subject: Nav Audio Connection  

  

  

     

I'm currently wiring the audio portion of my Garmin 430W into the intercom.  The company that did the harness simply labeled this wire as "Nav Audio, for future use"  When I traced the pinouts, I discovered this wire to be the VOR / ILS Audio Hi & Lo wires.  Can I connect these to the same pins as the Com Audio without a problem?  

    

   

    

I'm using Vern Little's AMX-2A Audio Mixer for some audio inputs from my Grand Rapids EIS and some warning systems so I could use this for the Nav input as well, if that would be better.  

    

   

    

Thanks for the help in advance.  

    

   

    

Harold Lanfear  

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