User's Manual

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Pic 4.25
System
It can be checked by ON/OFF, “Dial pad touch tones”, “Touch sound”, “Screen
lock sound”, “Vibrate on touch”.
(Notes: except standard, silent, meeting, outdoor mode can only be chosen
but not be set.)
4.6 Display
4.6-1 Brightness
 Click setting Apps
 Click Display Brightness.
 When pop-up brightness Settings panel, you can drag the brightness
slider to adjust degree between dark and bright. See as shown picture
4.26;