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Yak 52 PTT

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aero49

Joined: 23 May 2009
Posts: 3

Posted: Sat May 23, 2009 4:30 pm Post subject: Yak 52 PTT

I'm planning to install an SL30 and keep the Russian radio  in place as #2.   Want to use P.S. engineering PMA 4000 as a primary PTT type intercom and to switch between radios.



The PMA 4000 only provides a single lead to each com thru which a ground is applied to transmit.  



Anyone know if the Russian PTT swith closes a circuit to the Russian Com or if it just applies a ground the com?



any info on this application would be appreciated.



Cecil Boyd

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scott.glaser(at)thedefian
Guest

Posted: Sun May 24, 2009 8:07 pm Post subject: Yak 52 PTT

Cecil,



I have a similar set up except I kept the Russian Com and Intercom both and

I can switch between each side.  The American side is a P1000 and SL30 and

has a PTT for the com on the stick.  The P1000 is VOX.  There is a switch in

each cockpit labeled American / Russian.  Both switches have to be in the

same position for the pits to talk.  It is not as sleek as running both

radios off of one IC but it is much simpler to install.  Works well as long

as both occupants are briefed.



Scott 

N8252



--

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dsavarese0812(at)bellsout
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Posted: Tue May 26, 2009 11:05 am Post subject: Yak 52 PTT

Cecil,

 According to the Yak 52 wiring diagrams, a ground is  applied when you press the PTT switch.

 Dennis

 [quote]   ---

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yakplt(at)yahoo.com
Guest

Posted: Wed May 27, 2009 4:43 pm Post subject: Yak 52 PTT

Just FYI, that is true of most radios on this planet.  

  

 Mark

 

 

 

   From: A. Dennis Savarese <dsavarese0812(at)bellsouth.net>

To: yak-list(at)matronics.com

Sent: Tuesday, May 26, 2009 3:00:19 PM

Subject: Re: Yak 52 PTT



   Cecil,

 According to the Yak 52 wiring diagrams, a ground is applied when you press the PTT switch.

 Dennis

 [quote] ---

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