in 7862 FYT, camera image was displayed automatically when the reverse gear was switched. Even during the boot which is very useful if you need to turn around quickly.
video: https://drive.google.com/file/d/1sxaWujoomY0zZeRbtr-AH983Rk0wC6hx/view?usp=sharing
In DUDU7 camera image isn't displayed during the boot.
