7
If a call rings, turn over the phone (front side to
back, or back side to front) to mute the
ringtone.
To interrupt the sounding alarm in the same
way, check that the
Snooze
is set to a time
interval in
Tools
>
Alarm
(see "To set an alarm"
on page 45). To stop the alarm, tap on
Stop
(see
"To use an alarm" on page 45).
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. When the screen is locked, a set of
concentric circles keep moving on the screen.
To set the auto screen lock
Go to
Settings
>
General
>
Auto screen lock
.
To unlock the screen
Short press
)
on the top of the phone. Or,
drag out the innermost dot.
To lock the screen manually
Short press
)
on the top of the phone.
