LG VS980 - Manual (Page 94)

92 Communication
Receive emergency alerts
Turn emergency alerts types on or off and set alert reminder. These are the
settings associated with Commercial Mobile Alert System.
Presidential alert: Presidential alerts will always be presented. This setting
is greyed-out because it cannot be changed.
Extreme alert: Checkmark this setting so that you will always be notified of
an Extreme alert.
Severe alert: Checkmark this setting so that you will always be notified of
a Severe alert.
AMBER alert: Checkmark this setting so that you will always be notified of
an AMBER alert.
Alert reminder: Tap to set how often you want to be reminded when
notified of an alert.
Text link display
Checkmark this setting to view Text Link icons that indicate applications
related to the message content.