[Milsurplus] Re: [armyradios] PRC-74 Question

W2AGN w2agn at w2agn.net
Sat May 29 14:15:50 EDT 2004


On Sat, 29 May 2004, Brooke Clarke wrote:

> Hi John:
>
> The PRC-74 uses the standard 5 pin U-229 audio accessories.
> These are wired:
> A = All grounds
> B = headphones (a capital "B" turned 90 CW looks kind of like the
> schematic symbol for headphones).
> D = Mike (a Capital "D" is the schematic symbol for a microphone.)
> C = PTT (if you can remember the above this is all that's left.
>
> So connect the key from "A" to "C".
>
> 73,
>
> Brooke Clarke, N6GCE
> http://www.PRC68.com
>
Great! That answers the question.


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