Nokia C7–00 User Manual page 21

frequency. If you have additional
mailboxes, you may need to set the
retrieval frequency separately for
each mailbox.
Mute unnecessary tones, such as
•
keypad tones.
Use wired headphones, rather than
•
the loudspeaker.
Deactivate the background animation
•
effects. Select
Themes General
>
Theme effects
Deactivate the Big clock screen saver.
•
Select Menu
Themes Screen saver
>
Activate a dark theme. Select
•
Settings and
Change the length of the time-out
•
period after which the device display
switches off. Select
and Phone
>
out. To adjust the light sensor that
observes lighting conditions and
adjusts the display brightness, in the
display settings, select
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 (dual mode) networks,
the device searches for the 3G
network. To set your device to use
only the GSM network, select
Settings and
Network Network mode
>
Deactivate Bluetooth when not
•
needed. Select
Connectivity
Stop your device from scanning for
•
available Wi-Fi networks in the
background. Select
and Connectivity
Options Settings
>
availability
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Menu Settings
>
Options
>
> Off.
Settings and
>
> None.
Menu
Themes > General.
Menu Settings
>
Display Light time-
>
Light sensor.
Menu
Connectivity
>
> GSM.
Menu Settings
>
Bluetooth > Off.
>
Menu Settings
>
Wi-Fi
> >
Show Wi-Fi
>
> Never.
When connecting to the internet, use
•
a Wi-Fi connection, rather than a
packet data (GPRS or 3G) connection.
Set the packet data connection to be
•
established only when needed. Select
Menu
Connectivity
Packet data
connection
When you are listening to music, and
•
and
do not want to make or receive calls,
>
activate the offline profile.
Close the applications you are not
•
using. Press and hold the menu key,
swipe until the desired application is
displayed, and select
>
>
and
Settings and
>
Admin. settings
>
Packet data
>
When needed.
>
.
>
21