Nokia E5-00 User Manual page 222

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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
•
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
data 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.
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
Phone Network
>
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
General Personalization
>
sensor that observes lighting conditions and adjusts the display brightness, in
the display settings, select
To save power, activate the power save mode. Press the power key, and select
•
Activate power
Packet data connection
Menu Ctrl. panel
>
Network mode
>
>
Light
saving. To deactivate it, press the power key, and select
to When available
Settings and
>
When needed.
>
Menu Ctrl. panel
>
> GSM.
Menu Ctrl. panel
>
Display Light
>
sensor.
in connection
Connection
>
Settings
>
Settings
>
time-out. To adjust the light
Packet
and
and