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Garmin 430 Intercom Connections

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jmjones2000(at)mindspring
Guest

Posted: Wed Feb 11, 2015 10:59 pm Post subject: Garmin 430 Intercom Connections

I am digging through manuals trying to understand how to hook up my “simple” setup.  I have a Garmin 430W (with nav and com) and a PS Engineering PM1000 II 4 place intercom.  My goal is to be able to transmit and receive VHF communications, listen to the Ident of the Navaids when tuned, and have it connected to the 4 place intercom.



The Garmin Manual shows



Com Mic Key



Intercom Mic Hi



Com Mic Audio Hi



500Ω Com Audio Hi



Com Mic Audio Lo



500Ω Com Mic Audio Lo



The PS Engineering Audio Panel has the following connections for the Aircraft Radio



A/C Radio phone Audio hi

A/C Radio phone Audio Lo



A/C Radio PTT



A/C Mic Audio Lo

A/C Mic Audio Hi

Why does Garmin list an “Intercom Mic Hi” pin?  I assume this doesn’t get connected if an external intercom is used.



Does the "A/C Radio PTT” get connected to the “Com Mic Key” or to the ?



The manual says “500Ω COM AUDIO is the summation of the COM receiver audio, COM sidetone audio, and Intercom MIC audio”.   Why have the com “Com Mic Audio” connections if the 500Ω Com Mic audio includes all the listed inputs?



Thoughts?



I am going crosseyed trying to figure all this out.



Thanks



Justin

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recapen(at)earthlink.net
Guest

Posted: Thu Feb 12, 2015 4:27 am Post subject: Garmin 430 Intercom Connections

Justin,



I have a 420W (cousin to the 430W) and a PS Engineering PMA7000MS - so I think I may be wearing the 'been there, done-that' t-shirt.



I didn't use the 420W intercom function - I wired to the audio panel intercom function.

I wired pins 7, 19, 6, 4, and 18 (should be the same for the 430W) to the audio panel (not the PM1000 II - but you have the circuit origins from the 420W) - works fins!

Remember to isolate your headset connections from ground with the 'stepped' washers if you're installing in a conductive airframe.



Ralph

--

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tim2542(at)sbcglobal.net
Guest

Posted: Thu Feb 12, 2015 8:02 am Post subject: Garmin 430 Intercom Connections

The two companies use a little different lingo for audio connections, once you figure that out its simple. I can send you an interconnect between a 430 and a PSE 5000 audio panel, that may help sort out the different nomenclature. 

One issue, you have no audio mixer with that intercom, or a way to select audio sources. I don't think you can simply tie them together and turn them up and down as needed. 

Tim

 	  Quote: 	
		   On Feb 11, 2015, at 10:57 PM, Justin Jones <jmjones2000(at)mindspring.com> wrote:

 

 

 

 I am digging through manuals trying to understand how to hook up my “simple” setup.  I have a Garmin 430W (with nav and com) and a PS Engineering PM1000 II 4 place intercom.  My goal is to be able to transmit and receive VHF communications, listen to the Ident of the Navaids when tuned, and have it connected to the 4 place intercom.

 

 The Garmin Manual shows

 

 Com Mic Key

 

 Intercom Mic Hi

 

 Com Mic Audio Hi

 

 500Ω Com Audio Hi

 

 Com Mic Audio Lo

 

 500Ω Com Mic Audio Lo

 

 

 

 The PS Engineering Audio Panel has the following connections for the Aircraft Radio

 

 A/C Radio phone Audio hi

 A/C Radio phone Audio Lo

 

 A/C Radio PTT

 

 A/C Mic Audio Lo

 A/C Mic Audio Hi

 

 

 Why does Garmin list an “Intercom Mic Hi” pin?  I assume this doesn’t get connected if an external intercom is used.

 

 Does the "A/C Radio PTT” get connected to the “Com Mic Key” or to the ?

 

 The manual says “500Ω COM AUDIO is the summation of the COM receiver audio, COM sidetone audio, and Intercom MIC audio”.   Why have the com “Com Mic Audio” connections if the 500Ω Com Mic audio includes all the listed inputs?

 

 Thoughts?

 

 I am going crosseyed trying to figure all this out.

 

 Thanks

 

 Justin

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email(at)jaredyates.com
Guest

Posted: Thu Feb 12, 2015 8:19 am Post subject: Garmin 430 Intercom Connections

I'd be interested to hear if there is a way to get VHF Nav audio without additional hardware. I don't have an audio panel, so I routed it to one of the channels on the audio iso amp, which also consolidates EFIS audio and entertainment. 



 	  Quote: 	
		   On Feb 12, 2015, at 11:00, Tim Andres <tim2542(at)sbcglobal.net> wrote:

 

 

 

 

 The two companies use a little different lingo for audio connections, once you figure that out its simple. I can send you an interconnect between a 430 and a PSE 5000 audio panel, that may help sort out the different nomenclature. 

 One issue, you have no audio mixer with that intercom, or a way to select audio sources. I don't think you can simply tie them together and turn them up and down as needed. 

 Tim

 

 

 

 

 

 

> On Feb 11, 2015, at 10:57 PM, Justin Jones <jmjones2000(at)mindspring.com> wrote:

> 

> 

> 

> I am digging through manuals trying to understand how to hook up my “simple” setup.  I have a Garmin 430W (with nav and com) and a PS Engineering PM1000 II 4 place intercom.  My goal is to be able to transmit and receive VHF communications, listen to the Ident of the Navaids when tuned, and have it connected to the 4 place intercom.

> 

> The Garmin Manual shows

> 

> Com Mic Key

> 

> Intercom Mic Hi

> 

> Com Mic Audio Hi

> 

> 500Ω Com Audio Hi

> 

> Com Mic Audio Lo

> 

> 500Ω Com Mic Audio Lo

> 

> 

> 

> The PS Engineering Audio Panel has the following connections for the Aircraft Radio

> 

> A/C Radio phone Audio hi

> A/C Radio phone Audio Lo

> 

> A/C Radio PTT

> 

> A/C Mic Audio Lo

> A/C Mic Audio Hi

> 

> 

> Why does Garmin list an “Intercom Mic Hi” pin?  I assume this doesn’t get connected if an external intercom is used.

> 

> Does the "A/C Radio PTT” get connected to the “Com Mic Key” or to the ?

> 

> The manual says “500Ω COM AUDIO is the summation of the COM receiver audio, COM sidetone audio, and Intercom MIC audio”.   Why have the com “Com Mic Audio” connections if the 500Ω Com Mic audio includes all the listed inputs?

> 

> Thoughts?

> 

> I am going crosseyed trying to figure all this out.

> 

> Thanks

> 

> Justin

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tim2542(at)sbcglobal.net
Guest

Posted: Thu Feb 12, 2015 8:49 am Post subject: Garmin 430 Intercom Connections

Possibly you can use the music in, but it's not intended for that and may not be the correct impedance or functionality. A simple select audio switch might work, but now you can't monitor comm while your listening to Nav. Otherwise I think you will have to use an audio mixer.  Someone sells an inexpensive mixer for EAB, don't recall who. But now you've got two separate  boxes to mount and wire, it might be simpler to pony up and put in an audio panel. A good used one won't be much more than the two boxes you need now.

Good luck

Tim



 	  Quote: 	
		   On Feb 12, 2015, at 8:20 AM, Jared Yates <email(at)jaredyates.com> wrote:

 

 

 

 I'd be interested to hear if there is a way to get VHF Nav audio without additional hardware. I don't have an audio panel, so I routed it to one of the channels on the audio iso amp, which also consolidates EFIS audio and entertainment. 

 

 

 

> On Feb 12, 2015, at 11:00, Tim Andres <tim2542(at)sbcglobal.net> wrote:

> 

> 

> 

> 

> The two companies use a little different lingo for audio connections, once you figure that out its simple. I can send you an interconnect between a 430 and a PSE 5000 audio panel, that may help sort out the different nomenclature. 

> One issue, you have no audio mixer with that intercom, or a way to select audio sources. I don't think you can simply tie them together and turn them up and down as needed. 

> Tim

> 

> 

> 

> 

> 

> 

>> On Feb 11, 2015, at 10:57 PM, Justin Jones <jmjones2000(at)mindspring.com> wrote:

>> 

>> 

>> 

>> I am digging through manuals trying to understand how to hook up my “simple” setup.  I have a Garmin 430W (with nav and com) and a PS Engineering PM1000 II 4 place intercom.  My goal is to be able to transmit and receive VHF communications, listen to the Ident of the Navaids when tuned, and have it connected to the 4 place intercom.

>> 

>> The Garmin Manual shows

>> 

>> Com Mic Key

>> 

>> Intercom Mic Hi

>> 

>> Com Mic Audio Hi

>> 

>> 500Ω Com Audio Hi

>> 

>> Com Mic Audio Lo

>> 

>> 500Ω Com Mic Audio Lo

>> 

>> 

>> 

>> The PS Engineering Audio Panel has the following connections for the Aircraft Radio

>> 

>> A/C Radio phone Audio hi

>> A/C Radio phone Audio Lo

>> 

>> A/C Radio PTT

>> 

>> A/C Mic Audio Lo

>> A/C Mic Audio Hi

>> 

>> 

>> Why does Garmin list an “Intercom Mic Hi” pin?  I assume this doesn’t get connected if an external intercom is used.

>> 

>> Does the "A/C Radio PTT” get connected to the “Com Mic Key” or to the ?

>> 

>> The manual says “500Ω COM AUDIO is the summation of the COM receiver audio, COM sidetone audio, and Intercom MIC audio”.   Why have the com “Com Mic Audio” connections if the 500Ω Com Mic audio includes all the listed inputs?

>> 

>> Thoughts?

>> 

>> I am going crosseyed trying to figure all this out.

>> 

>> Thanks

>> 

>> Justin

> 

> 

> 

> 

>

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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