7
To use the light sensor
• In
Settings
>
Display
>
Light sensor
, select
On
.
The phone will adjust backlight level
automatically according to ambient brightness.
For power-saving purposes, always turn on the
light sensor.
Power-saving mode
After the set time span, the phone has the idle
screen turned off automatically. To exit the
power-saving mode, press any key. For power-
saving purpose, set the time span to a low value
in
Settings
>
Display
>
Backlight duration
.
Auto screen lock
In the idle mode, your phone can have the
screen locked automatically after the set time
span.
To set the auto screen lock
Go to
Settings
>
General
>
Auto screen lock
. Select
the desired time span.
Select the option
Off
to cancel the auto screen
lock.
To unlock the screen
Short press
)
on the left side of the phone or
slide the lock icon on the idle screen to unlock.
To lock the screen manually
Short press
)
on the left side of the phone.
