gtn

Looking for a little guidance. My Cessna 182Q was just upgraded with a GTN650 and BK Aerocruze (Trutrak) autopilot. Plane has an original 6 pack with the exception of a GI-106A CDI. Before the install the avionics shop told me that this setup would be capable of performing GPSS approaches...

I just installed a GTN 650 loaded with 6.70. When I looked at the Flight Plans settings, there is no option for VNAV anywhere as there should be per the instruction manual, and I couldn’t find VNAV anywhere. Any ideas why the options simply aren’t there?

I wondered what others use to clean their GTN screens. Garmin is specific not to use cleaners with ammonia that will damage the anti-reflective coating. They also say not to use any "chemical" cleaners and to limit only to microfiber cloths with soap and water. But in the sanitizing section...