Apple iPod touch iOS 4.3 - Manual (Page 44)

Syncing and File Sharing
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About Syncing
Syncing copies information from your computer or online account to iPod touch, then
keeps the information in sync by copying changes made in one location to the other.
You use iTunes on your computer to sync contacts, calendars, and other information;
iOS apps; photos and videos; and music and other iTunes content. By default, syncing
occurs whenever you connect iPod touch to your computer.
You can also configure iPod touch to access accounts with online service providers
such as MobileMe, Microsoft Exchange, Google, Yahoo!, and others. Your information
on those services is synced over the air.
Syncing Accounts
MobileMe, Microsoft Exchange, Google, Yahoo!, and other online service providers
sync information—which might include contacts, calendars, browser bookmarks, and
notes (iPod touch 3rd generation or later)—wirelessly over the air, so you don’t have
to connect iPod touch to your computer. Syncing notes over the air is available on
iPod touch 3rd generation or later.
Some service providers—including MobileMe and Microsoft Exchange—push
information updates. This means that syncing happens whenever any information is
changed. The Push setting in Fetch New Data must be turned on (it’s on by default).
Other providers sync by periodically “fetching” changes that have occurred. Use the
Fetch setting to determine how frequently this happens. See “Fetch New Data” on
page 171.
For information about setting up accounts on iPod touch, see “Adding Mail, Contacts,
and Calendar Accounts” on page 20.
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