Nokia E55

Page 155
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Ctrl. panel
 > 
Settings
 and 
Connection
 > 
Packet data
 >
Packet data connection
 > 
When needed
.
If this does not help, switch the device off, and switch it on
again.
Q: How do I save battery power?
A: Many features in your device increase the demand on
battery power and reduce the battery life time. To save
battery power, do the following:
• Turn off Bluetooth when you do not need it.
• Stop the background scans for WLAN. Select 
Menu
 > 
Ctrl.
panel
 > 
Settings
 and 
Connection
 > 
Wireless LAN
 >
Show WLAN availability
 > 
Never
. You can still manually
scan for available WLAN networks and connect to WLAN
networks as usual.
• Set the device to use a packet data connection only if you
start an application or action that needs it. Select 
Menu
 >
Ctrl. panel
 > 
Settings
 and 
Connection
 > 
Packet
data
 > 
Packet data connection
 > 
When needed
.
• Prevent the device from automatically downloading new
maps in the Maps application. Select 
Menu
 >
Applications
 > 
GPS
 > 
Maps
 and 
Options
 > 
Tools
 >
Settings
 > 
Internet
 > 
Go online at start-up
.
• Change the time-out after which the backlight is switched
off. Select 
Menu
 > 
Ctrl. panel
 > 
Settings
 and 
General
 >
Personalisation
 > 
Display
 > 
Light time-out
.
• Close the applications you are not using. Press and hold
the home key. Scroll to the application, and press the
backspace key to close the application.
© 2010 Nokia. All rights reserved.
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