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F-022_E2kou
F-022.book 28 ページ ２０１１年２月２４日 木曜日 午後２時４２分
2.14 Use your mobile terminal offline
In radio sensitive environments, where you are not allowed to
make or receive calls, you may still be allowed to access your
calendar, contacts list, and offline games if you activate the offline
profile.
In the home screen, select the profile and Offline.
When the offline profile is activated, your connection to the cellular
network is closed. All radio frequency signals between the mobile
terminal and the cellular network are prevented. If you try to send
a message, it is placed in the Outbox folder, and is sent only when
another profile is activated.
You can also use your mobile terminal without a SIM card. If you
remove the SIM card, the offline profile is activated.
Point
In the offline profile you cannot make or receive any calls, or use
･
other features that require cellular network coverage. You may
be able to call the official emergency number programmed into
your mobile terminal.To make calls, you must first change to
another profile.
2.15 Prolong battery life
Many features in your mobile terminal increase the demand on
battery power and reduce the battery lifetime. To save battery
power, note the following:
･
Always charge the battery fully.
28
Chapter 2 Get started
Activate power saving mode. Press s, and select Activate power
･
saving. The device settings, such as Network mode, are optimised.
To deactivate power saving mode, press s, and select
Deactivate power saving.
Set your mobile terminal to retrieve mail less frequently. Press
･
m > Applications > Mail > Settings, your mailbox, and
Synchronisation > Retrieval frequency. If you have additional
mailboxes, you may need to set the retrieval frequency
separately for each mailbox.
･
Mute unnecessary tones, such as key tones.
Use wired headphones, rather than the loudspeaker.
･
Deactivate the background animation effects. Press m > Settings >
･
Themes > General and select Options > Theme effects > Off.
Activate a dark theme. Press m > Settings > Themes > General.
･
Change the length of the time-out period after which the device
･
display switches off. Press m > Settings > Phone > Display >
Light time-out.
If the signal strength of the cellular network varies in your area, it
･
increases the demand on battery power.
If the network mode is set to use both GSM and 3G(WCDMA) (dual
･
mode) networks, the mobile terminal searches for the
3G(WCDMA) network. To set your mobile terminal to use only the
GSM network, Press m > Settings > Connectivity > Network >
Network mode > GSM.
Deactivate Bluetooth when not needed. Press m > Settings >
･
Connectivity > Bluetooth > Bluetooth > Off.
･
Set the packet data connection to be established only when
needed. Press m > Settings > Connectivity > Admin. settings
> Packet data > Packet data connection > When needed.
When you are listening to music, and do not want to make or
･
receive calls, activate the offline profile.
･
Close the applications you are not using.
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