Was the 32V-3 mated to the 75A-2 or 75A-1. I know that the instruction book for the 32V-1 or 2 talks about muting the 75A-1 receiver. Where did the 75A-2 fit in? Thank you. David Knepper - W3ST Publisher of the Collins Journal Secretary to the Collins Radio Association CRA website: http://www.collinsra.com