Changing general sync settings
Press HOME > MENU, and then tap Settings > Accounts & sync.
Select or clear the following:
Background data. If this is selected, applications can send and receive online account
information even if you are not currently using them.
Auto-sync.
If this is selected, applications can use the sync schedule defined in the
account settings. If this is cleared, you will need to sync accounts manually. For
instructions on doing this, see “Synchronizing an account manually” below.
Changing account settings
You can change settings such as the sync frequency and the types of information
synchronized, the kinds of notification you receive, and the way that account information is
displayed.
Press HOME > MENU, and then tap Settings > Accounts & sync.
Tap the account that you want to edit.
Edit the account settings.
Synchronizing an account manually
Press HOME > MENU, and then tap Settings > Accounts & sync.
Tap the account that you want to sync.
Tap Sync now.