Prolong Battery Life - Nokia E72 User Manual

USIM card, contact the operator whose USIM card is in your
device.

Prolong battery life

Many features in your device increase the demand on
battery power and reduce the battery life time. To save
battery power, observe the following:
Features that use Bluetooth technology, or allowing
•
such features to run in the background while using
other features, increase the demand on battery
power. Switch off Bluetooth when you do not need it.
Features that use wireless LAN (WLAN), or allowing
•
such features to run in the background while using
other features, increase the demand on battery
power. The WLAN on your Nokia device switches off
when you are not trying to connect, not connected to
another access point, or not scanning for available
networks. To further reduce battery consumption, you
can specify that your device not scan, or scans less
often, for available networks in the background.
If you have set
•
available in connection settings, and there is no
packet data coverage (GPRS), the device periodically
tries to establish a GPRS connection. To prolong the
operating time of your device, select
panel Settings
>
Packet data connection
The Maps application downloads new map
•
information when you scroll to new areas on the map,
which increases the demand on battery power. You
can prevent the automatic download of new maps.
12
Packet data connection
Menu
and Connection Packet data
>
When needed.
>
If the signal strength of the cellular network varies
•
much in your area, your device must scan for the
available network repeatedly. This increases the
demand on battery power.
If the network mode is set to dual mode in the network
settings, the device searches for the 3G network. You
can set the device to use only the GSM network. To use
only the GSM network, select
Settings
mode
The backlight of the display increases the demand on
•
battery power. In the display settings, you can change
the length of the time-out period after which the
backlight is switched off. Select
panel
Display
that observes lighting conditions and adjusts the
display brightness, in the display settings, select
sensor.
Leaving applications running in the background
•
increases the demand on battery power. To close the
to When
applications you are not using, press and hold the
menu key, scroll to the application, and press the
backspace key.
Ctrl. To save power, activate the power save mode. Press
•
>
the power key, and select
>
deactivate it, press the power key, and select
Deactivate power
change the settings of certain applications when the
power save mode is activated.
Menu
and Phone Network
>
> GSM.
Settings and General
>
Light time-out. To adjust the light sensor
>
Activate power
saving. You may not be able to
Ctrl. panel
> >
Network
>
Menu Ctrl.
>
Personalization
> >
Light
saving. To