I think what Mitz is suggesting is that you may not have to alter any menu item or option in your software. If you provide the signal input as he has noted, it may just work without any further intervention.
Originally Posted by lalt
I have a two-camera dashcam that works this way. Each time I put my Speck in reverse, it automatically displays the rear camera view.
View my fuel log 2015 Mirage ES 1.2 manual: 50.1 mpg (US) ... 21.3 km/L ... 4.7 L/100 km ... 60.2 mpg (Imp)