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6-3 Brightness Adjustment
1.
Brightness: 0-10 levels, step size is 1, through the shortcut
key to pop-up shortcut menu, and then adjust the brightness
through the left and right keys of "Four-in-one
multi-function key". It’s effective immediately through
short press and long-keep press.
2.
Back Ground Color: blue, white, black, users can set as their favors, value default as
"Blue".
