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DEVICE
HDMI
In HDMI, tap Enable auto switch to switch on
or off the HDMI output.
Sound
In Sound, select sound settings for your device.
Volume Drag the slider to select
the volume level for media,
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Touch
sounds
Sounds play when you tap on the
screen.
Screen
lock sound
Sounds play when you lock/
unlock the screen.
Display
In Display, select your display settings:
Brightness Drag the slider to change the
display brightness.
Wallpaper Set the wallpaper of the device.
Sleep After the selected time
duration, the screen switches
off automatically. To save battery
power, select a low value.
Font size Select font size for the on-screen
display.
Storage
In Storage, learn the space information about
the internal storage and SD card on your
Pi3900.
In Storage > Erase SD card, you can erase all
the data that you have stored on the SD card.
USB computer connection
In Storage, tap > USB computer connection
on the top bar. You can select how to connect
Pi3900 to a PC through the USB cable, as
a mass storage device or MTP device (see
'Connect to your PC' on page 13).
Battery
In Battery, check the battery use by
applications.
Apps
In Apps, manage the apps on the internal
storage of Pi3900 (see 'Manage apps' on page
18).
ACCOUNTS
In ACCOUNTS, add, remove, or manage an
account.
Tap Add account to add an account.
Tap an account to manage the account,
for example, remove the account or
select sync options.
Location services
In Location services, switch on or off
Google's location service.
» If the function is enabled, the tick box
is selected.
» You can allow or disallow your location
information to be used in online
location services of Google, such as