Changing the display brightness
1. Press Menu.
2. Press and Select to choose Display> Brightness.
3. Press and Select to choose the active or standby screen.
4. Press and Select to choose a brightness level. To make the display
brighter, choose a higher number. To set the screen brightness to change
automatically depending on lighting conditions, choose Auto.
By default, the display turns off after 10seconds of inactivity. To make the
display always stay on, press Menu and choose Display> Duration> Always on.
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