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Alert (bridge), in the card game of bridge; Alert (gum), a caffeinated gum product; Alert (interbank network), now STAR; Alert (motorcycle), an English motorcycle 1903–1906 "Alert" (song), by K. Michelle, 2017; Alert dialog box, in graphical user interfaces; Alert messaging, machine-to-person communications such as reminders and notifications
Someone who is alert is vigilant and promptly meets danger or emergency, or is quick to perceive and act. Alertness is a psychological and physiological state. Lack of alertness is a symptom of a number of conditions, including narcolepsy, attention deficit disorder, chronic fatigue syndrome, depression, Addison's disease, and sleep deprivation.
The first system was the Emergency Broadcast System, an emergency warning system in the United States, used from 1963 to 1997, when it was replaced by the Emergency Alert System. On April 9, 2008, the FCC approved an emergency alert text-messaging system so that cellular telephone users can get text message alerts in case of emergencies. [3]
The defense readiness condition (DEFCON) is an alert state used by the United States Armed Forces. [1] [2] For security reasons, the US military does not announce a DEFCON level to the public. [1] The DEFCON system was developed by the Joint Chiefs of Staff (JCS) and unified and specified combatant commands. [3]
On May 19, 2010, NOAA Weather Radio and CSEPP tone alert radios in the Hermiston, Oregon area, near the Umatilla Chemical Depot, were activated with an EAS alert shortly after 5 p.m. The message transmitted was for a severe thunderstorm warning , issued by the National Weather Service in Pendleton , but the transmission broadcast instead was a ...
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The signals from the speakers are used to direct the occupant's response. The fire alarm system automatically actuates speakers in a fire event. Following a pre-alert tone, selected groups of speakers may transmit one or more prerecorded messages directing the occupants to safety. These messages may be repeated in one or more languages.
The SAE (Spanish: Sistema de Alerta de Emergencia; English: Emergency Alert System) was created as a response to the 2010 Chilean Earthquake after the failure by the national authorities to provide safety precautions and speedy information during the aftermath of the disaster. Since its inception in 2012 and through its official implementation ...