A 360° Interactive Video Inside an Airbus A320 Cockpit During Takeoff and Landing

What is the white pattern on trim wheel for?

All my planes seem to have this "auto" trim function and I can't turn it off. No, it is not autopilot. Happens on all aircraft, namely the DA40 NG, A320, and Citation Longitude. Here is a video showing this issue. More in comments

Dr. Engine - Airbus A320 Trimmable Horizontal Stabilizer...

Air India improves international onboard experience with menu