Curtis GPD359B, User Manual

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If you do not choose “Auto-Brightness”, tapping the left button will gradually diminish the
lightness; while tapping the right button will gradually increase the brightness. If you choose
“Auto-brightness”, the system will automatically adjust the brightness of the display screen along
with the light intensity of its surrouning. At this time, the buttons on the left and right sides of the
“Backlight Display” bar do not function.
5. Tap the “Date Time” button to enter into the Date Time setting interface to adjust the date
& time as follows: