Nokia C7–00 User Manual page 31

Close the applications you are not using
Press and hold the menu key, swipe until the desired application is displayed, and select
.
Sounds, themes, and effects
Mute unnecessary tones, such as keypad tones.
•
Use wired headphones, rather than the loudspeaker.
•
Change the length of the time-out period after which the device display switches
•
off.
Set the length of the time-out period
Select Menu Settings
>
Activate a dark theme and wallpaper
Select Menu Settings
>
screen, select Options
Deactivate background animation effects
Select Menu Settings
>
Decrease the brightness of the display
In the display settings, select Brightness.
Deactivate the Big clock screen saver
Select Menu Settings
>
Network use
If you are listening to music or otherwise using your device, but do not want to
•
make or receive calls, activate the offline profile.
Set your device to check for new mail less frequently.
•
Use a Wi-Fi connection to connect to the internet, rather than a packet data (GPRS
•
or 3G) connection.
If your device is set to use both GSM and 3G networks (dual mode), the device uses
•
more power when searching for the 3G network.
Set your device to use only the GSM network
Select Menu Settings
>
and Phone Display
>
and Themes > General. To change the wallpaper, on the home
Change wallpaper.
>
and Themes
>
and Themes
>
and Connectivity
Light time-out.
>
General Options
>
Screen saver > None.
Network
> >
Basic use
Theme effects
>
Network mode
31
> Off.
> GSM.