Peugeot 407 rt3 radio sat navi - one day suddenly the image on the display turned 180 degrees and st

hello, I am the owner of a Peugeot 407 sw 2004, one day when I started the car, the image on the rt3 navigation display turned 180 degrees, I tried to reset the unit, it didn't help, does anyone know the solution to this problem

Memory in display to do.