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Fetch New Data
This setting lets you turn Push on or off for MobileMe, Microsoft Exchange, Yahoo!
Mail, and any other “push” accounts you have configured on iPhone. Push accounts
automatically deliver new information to iPhone when new information appears
on the server (some delays may occur). You might want to turn Push off to suspend
delivery of email and other information, or to conserve battery life.
When Push is off and with accounts that do not support push, data can still be
“fetched”—that is, iPhone can check with the server and see if new information is
available. Use the Fetch New Data setting to determine how often data is requested.
For optimal battery life, don’t fetch too frequently.
Turn Push on: Tap Fetch New Data, then tap to turn Push on.
Set the interval to fetch data: Tap Fetch New Data, then choose how often you want
to fetch data for all accounts.
To conserve battery life, fetch less frequently.
Set fetch or push settings for individual accounts: In Fetch New Data, tap Advanced,
then tap an account.
Setting Push to OFF or Fetch to Manually in the Fetch New Data screen overrides
individual account settings.
Sounds and the Ring/Silent Switch
Switch between ring and silent mode: Flip the Ring/Silent switch on the side of
iPhone.
When set to silent, iPhone doesn’t play any ring, alert, or effects sounds. It does,
however, play alarms set using Clock.
Set whether iPhone vibrates when you get a call: Choose Sounds. To set whether
iPhone vibrates in silent mode, turn Vibrate under Silent on or off. To set whether
iPhone vibrates in ring mode, turn Vibrate under Ring on or off.
Adjust the ringer and alerts volume: Choose Sounds and drag the slider. Or, if no
song or video is playing and you aren’t on a call, use the volume buttons on the side of
iPhone.
Set the ringtone: Choose Sounds > Ringtone.
Set alert and effects sounds: Choose Sounds and turn items on or off under Ring .
When the Ring/Silent switch is set to ring, iPhone plays sounds for alerts and effects
that are turned on.
You can set iPhone to play a sound whenever you:
Get a call
Get a text message
102 Chapter 8 Settings