Nokia N9 User Manual page 102

102 Phone management
•
Always charge the battery fully.
•
When power saving mode is activated, the phone does not scan, or scans less
often, for available WLAN networks, and closes connections when they are not
used by any application.
Tip: To check the battery status, and activate power saving mode, select
Device > Battery.
Close the applications you are not using
Tap and hold the Open applications view, and select
application you want to close.
Sounds and effects
•
Mute unnecessary tones, such as touch screen tones.
•
Use wired headphones, rather than the loudspeaker.
•
Change the length of the time-out period after which the phone display switches
off.
Set the length of the time-out period
Select and Device
Decrease display brightness
Select , and drag the Brightness slider.
Activate a dark wallpaper
Select and Wallpaper.
Network use
•
If you are listening to music or otherwise using your phone, but do not want to
make or receive calls, activate the flight mode.
•
Use a WLAN connection to connect to the internet, rather than a packet data
(GPRS or 3G) connection.
•
If your phone is set to use both GSM and 3G networks (dual mode), the phone
uses more power when searching for the 3G network.
Set your phone to use only the GSM network
Select and Mobile network
Deactivate Bluetooth when not needed
Select and Bluetooth.
Display Display
> >
Network mode
>
Close all, or select
time-out.
> GSM.
and
on the