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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 >
Personalisation > 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.
Free memory
To view how much memory is available
for different data types, select Menu >
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.
Protect the environment
Save energy
You do not need to charge your battery
so often if you do the following:
176 Protect the environment
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