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In my new RNS-E I can't adjust the brightness control as in my previous.
In fact the big red wheel that normally can increase or decrease brightness here doesn't has any function. The problem is born cause in night driving i've seen the display of RNS-E changing brightness very often.


Anybody with HW 71 who can control this function?
In fact the big red wheel that normally can increase or decrease brightness here doesn't has any function. The problem is born cause in night driving i've seen the display of RNS-E changing brightness very often.


Anybody with HW 71 who can control this function?