Nokia N86 8MP

Page 22
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network. You can set the device to use only the GSM
network. To use only the GSM network, select
Menu
 > 
Tools
 > 
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
 >
Tools
 > 
Settings
 and 
General
 >
Personalisation
 > 
Display
 > 
Light time-out
.
●
Leaving applications running in the background
increases the demand on battery power. To close
the applications you are not using, press and hold
the menu key, scroll to the application, and press C.
●
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.
Free memory
To view how much memory is available for different
data types, select 
Menu
 > 
Applications
 > 
Office
 >
File mgr.
.
Many features of the device use memory to store data.
The device notifies you if available memory is low.
To free memory, transfer data to an alternative
memory (if available) or compatible computer.
To remove data you no longer need, use File manager
or the respective application. You can remove the
following:
●
Messages in the folders in Messaging and retrieved
e-mail messages from the mailbox
●
Saved web pages
●
Contact information
●
Calendar notes
●
Applications shown in Application manager that you
do not need
●
Installation files (with .sis or .sisx file extensions) of
installed applications. Back up the installation files
to a compatible computer.
●
Images and video clips in Photos.
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