7
account
synchronization.
•
ADD ACCOUNT
:
Touch
this
option
to
add
a
new
E
‐
account,
if
necessary.
2.3.2 Location Services
Set
your
location
and
allow
interactive
options
with
Google.
•
Google’s location service
:
When
checked,
applications
use
data
from
Wi
‐
Fi
or
mobile
networks
to
determine
your
approximate
location.
2.3.3 Security
The
Security
menu
allows
you
to
set
device
security
options.
•
Screen lock
:
Select
the
method
of
unlocking
the
screen.
•
Owner info
:
Display
the
owner
information
on
a
locked
screen.
•
Encrypt tablet
:
Encrypt
the
device
with
a
PIN
or
password.
•
Make passwords visible
:
Display
password
characters
as
you
type
them
on
screen.
•
Device administrators
:
View
or
deactivate
device
administrators.
•
Unknown sources
:
Run
and
install
application
programs
not
from
market.
CREDENTIAL STORAGE
Ascertain
the
legality
and
credibility
of
the
program
with
some
credentials
CA.
•
Trusted
credentials:
Store
trusted
credentials
used
by
the
system
or
the
user.