Acer Iconia Tab 10 A3-A40 - Manual (Page 7)

Getting started with your tablet - 7
If the tablet’s screen turns off, it has entered sleep mode. Briefly press
the power button to wake it up. For more information
see Waking
your tablet on page 21 .
Sign in to or create a Google account
If you have Internet access, your tablet allows you to synchronize
information with a Google account.
During the start-up process, you may create or sign in to an account,
which will be used to synchronize your contact list, email, calendar
and other information. If you do not yet have Internet access, or do not
want to use this feature, then tap Skip.
If you have multiple Google accounts, such as separate accounts for
personal and business contacts, you can access and synchonize
them from the Accounts settings section.
See Multiple Google
accounts on page 45
Important
You must sign in to a Google Account to use Gmail, Hangouts, Google
Calendar, and other Google apps; to download apps from Google Play;
to back up your settings to Google servers; and to take advantage of
other Google services on your tablet.