To configure general sync settings:
1.Press > > Settings > Accounts & sync.
Touch the account to configure it.
Sync status
Indicates that some, or all, of an account's information is configured to sync automatically with your device.
Indicates that none of an account's information is configured to sync automatically with your device.
2.Tap Background data to enable or disable whether applications can use your data connection to synchronize data while the applications run in the background.
If you disable this option, the Gmail and Calendar applications will not automatically receive updates until they are manually refreshed (using their respective options menu).
3.Tap
For example, when this option is enabled, changes that you make in the Contacts application on your device are automatically made to your
If you uncheck this option, you may be able to use an application's tools to sync data manually. (See “To sync information manually:” on page 83.)