Nokia E5-00 User Manual page 185

Features that use Bluetooth
•
technology, or allowing such
features to run in the background
while using other features, increase
the demand on battery power.
Deactivate Bluetooth technology
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. WLAN on
your Nokia device deactivates when
you are not trying to connect, not
connected to an access point, or not
scanning for available networks. To
further reduce battery
consumption, you can specify that
your device does not scan, or scans
less often, for available networks in
the background.
If you have set
•
connection
connection settings, and there is no
packet data coverage (GPRS), the
device periodically tries to establish
a packet data connection. To
prolong the operating time of your
device, select
panel Settings
>
Connection
© 2010 Nokia. All rights reserved.
Packet data
to When available
Menu Ctrl.
>
and
Packet data
>
Packet data connection
needed.
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.
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
panel
Network
in
GSM.
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
>
Find help 185
Menu
Settings and Phone
>
Network mode
>
Menu
Settings and General
>
When
>
Ctrl.
>
>
>
Ctrl.
>
>