User's Manual

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Using Function keys
If you press key, it will appear a blue symbol "F" in the status bar at the
top of the screen. Then you can refer to the following table to excute the desired
functions or inputs.
Numeric Keypad Combination
Key Description Key Description
＋
Decrease screen
backlight brightness
＋
Screen backlight toggling
＋
Keypad backlight
toggling
＋
input symbol *
＋
Increase screen
backlight brightness
＋
input symbol #
＋
TAB key