mprather(at)spro.net
Guest
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 Posted: Wed Jun 13, 2007 11:56 am Post subject: AeroElectric-List Digest: 16 Msgs - 06/12/07 |
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Found the manual here:
http://www2.mstewart.net:8080/Downloads/GMA347_IM.pdf
Looks like it's Pin 30 on the GMA340 and pin 31 on the GMA347..
Pin 30 on the GMA347 is the Pilot Mic Return. At least that's how I read
the pinout.
I think you want to keep the PTT's separate. You want only one
transmitter transmitting at the same time, so you want to use the separate
mic keys, and you want voice signal to come from the correct mic input, so
need the input PTT's sorted properly too.
Regards,
Matt-
| Quote: | I am trying to connect a Icom A200 to a Garmin 347 Audio panel which also
has a GNS 430 connected. The Icom is Com 2.
So far the audio works fine but am a little confused with the mic. Pin 9
on
the Icom is a PTT. When I ground this pin the mic works fine. Obviously it
needs to pick up this ground via an output on the 347. I had been told pin
31 on the 347 but that is listed as Pilot ICS Key. Do I simply ignore the
Audio panel & parallel the grounds for all the PTT's?
Thanks in advance
Stephen Reynolds
RV7
Eugene Or
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