AW139 Cabin PA Squealing Feedback?
Hello folks,
I was hoping to get some help solving this mystery. I have had the same results on 3 separate aircraft.
When plugged in to the single cabin ICS panel and trying to speak over the cabin PA system there is this constant overbearing squealing feedback which renders the message all but unreadable. I have followed the instructions in the manuals and every possible variation of settings on the control panel and used different headsets.
Any feedback would be appreciated. Thanks.
Jeremy