Samsung Galaxy S3 User Manual page 82

Emergency message settings:
• Emergency Alerts: This device is designed to receive Wireless
Emergency Alerts from the Commercial Mobile Alert Service
(CMAS), including Presidential Alerts, Imminent Alerts (Severe
or Extreme), and AMBER Alerts (missing persons). You may
choose not to receive Imminent and AMBER alerts, but
Presidential Alerts cannot be disabled. All alerts are enabled by
default (a check mark displays). For more information about
Emergency Alerts see "Emergency Alerts" on page 77.
• Emergency notification preview: Listen to an example of a
Emergency Alert tone (and vibration, if enabled). The
Emergency Alert tone plays at the same volume as your call
ringtone.
• Vibrate: When enabled, vibrates your phone for Emergency
Alerts.
• Alert sound: When enabled, a sound plays for emergency
alerts.
• Alert reminder: Choose whether, and at what interval, the
phone plays a sound to notify you of a Emergency Alert after
the Emergency Alert tone has stopped.
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Signature settings:
• Add signature: When enabled, adds a signature to outgoing
messages.
• Signature text: Enter the text for your message signature.
Spam message settings:
• Spam settings: When enabled, activates the list of Spam
message settings.
• Add to spam numbers: Registers numbers that were blocked
when they send you a message.
• Add to spam phrases: Register phrases typically used in spam
messages.
• Block unknown senders: When enabled, automatically blocks
messages from "Unknown" senders.