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Managing Your Phone 209
Clear Auto adjust backlight.
Adjust the brightness by dragging the slider under On battery power and
On external power.
To change backlight and automatic Sleep mode settings
Dimming the backlight and switching the phone to sleep mode help save battery
power. You can change the idle time before the backlight automatically dims. You
can also change the idle time before the phone goes into Sleep mode.
Tap Start > Settings > All Settings > System > Power.
Tap the Advanced tab.
To change the time before the backlight automatically dims, select a time
next to the Turn off backlight if not used for options.
To change the time before the phone goes into Sleep mode, select a time
next to the Turn off device if not used for options.
Tip If you do not want the backlight to dim, clear the Turn off backlight if not used for
check boxes. To turn off automatic Sleep mode, clear the Turn off device if not used
for check boxes.
To increase or decrease the size of text on the screen
Tap Start > Settings > All Settings > System > Screen.
Tap the Text Size tab.
Move the slider to increase or decrease the text size.
To re-calibrate the touch screen
The phone’s touch screen is calibrated before shipment. Re-calibrate the touch
screen if it does not accurately respond to screen taps.
While the phone is on, press and hold the VOLUME UP and VOLUME DOWN
buttons, and then tap the screen to open the align screen.
Follow the on-screen instructions to complete the calibration.
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