I had to replace my Garmin 696 which is panel mounted in my PiperSport after the previous unit died. I ensured my "new to me" 696 has the latest software and navigation databases loaded. After installing it I'm not longer able to select NAV or TRK modes. The wind barb on the D100 EFIS is...
Ok thanks, I understand now. Has to be a network configuration problem (doubtful as I've never accessed these set-up menus), a failed servo or wiring issue. Unfortunate as I have limited avionics resources to troubleshoot the problem locally.
I have the D100 EFIS and AP74. It's in my PiperSport. Today on a return trip from a cross country the autopilot never acquired the Altitude data (stayed red/OFF). I was able to use the AP in heading mode only. My Garmin 696 which feeds the NAV mode died recently and I'm getting it replaced...