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would this be a bad idea seeing as the fact that the screen wouldnt keep any of its settings once the car is off?
My screen turns off all the time as I cut the power when I pull the key. To answer that question, theres two parts. First, each time it detects a signal or signal change, it will do an autosync to the resolution. Two, if you cut the power, it will still retain the Backlight setting on the monitor and couple other things
The problem thats been noticed is that the Brightness settings don't get saved when you cut the power to the unit, and guess the same would go with the contrast.