128Emergency message settings• Emergency alerts: allows you to configure emergency alertsettings. You can enable/disable those alert categories youwish to receive. Choose from: Imminent extreme alert,Imminent severe alert, and AMBER alerts.Note: The Presidential alert can not be disabled.• Emergency notification preview: allows you to play a sampleemergency alert tone. Tap Stop to cancel the playback.Signature settings• Add signature: when enabled, this feature allows you to createa signature at the end of your outgoing text messages.• Signature text: allows you to enter a desired signature for yourmessage.Spam message settings• Spam settings: when enabled, allows you to configureavailable spam settings such as:– Add to spam numbers: allows you to manually enter andassign a phone number as being sent from a spam source.– Add to spam phrases: allows you to assign a specific textphrase as belonging to a spam message. Ex: Dear friend.– Block unknown senders: when active, automatically blocksincoming messages from unknown sources or blockednumbers.Emergency Alert ConfigurationThis device is designed to receive wireless emergency alertsfrom the Commercial Mobile Alerting System (CMAS); whichmay also be known as the Personal Localized AlertingNetwork (PLAN). If your wireless provider has chosen toparticipate in CMAS/PLAN, alerts are available while in theprovider's coverage area. If you travel outside your provider'scoverage area, wireless emergency alerts may not beavailable. For more information, please contact your wirelessprovider.Emergency Alerts allows customers to receivegeographically-targeted messages. Alert messages areprovided by the US Department of Homeland Security andwill alert customers of imminent threats to their safety withintheir area. There is no charge for receiving an EmergencyAlert message.