Nokia E5-00 - Manual (Page 212)

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 Packet data connection to When 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 Menu > Ctrl. panel > Settings and Connection > Packet
data > Packet data connection > When 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 Menu > Ctrl. panel > Settings and
Phone > Network > Network mode > 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 Menu > Ctrl. panel > Settings and
General > Personalization > Display > Light time-out . To adjust the light
sensor that observes lighting conditions and adjusts the display brightness, in
the display settings, select Light sensor .
• To save power, activate the power save mode. Press the power key, and select
Activate power saving . To deactivate it, press the power key, and select
Deactivate power saving . You may not be able to change the settings of
certain applications when the power save mode is activated.
212 Find help