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Older models of PASS devices required manual arming by firefighters prior to entering a dangerous environment. The unit was equipped with a key which, when removed, armed the unit. This key was left outside the hazard area with an entry control officer. When the unit activated, it could only be switched off by inserting this key.
An Amber alert as seen on Android, instructing users to call 911 if they find a car with a matching description.. An Amber alert (alternatively styled AMBER alert) or a child abduction emergency alert (SAME code: CAE) is a message distributed by a child abduction alert system to ask the public for help in finding abducted children.
Users reported bugs in the Alarm functionality of the Clock app in all versions of iOS 4. The first bug noticed was the "DST bug" which was first seen when some countries switched to/from daylight saving time from/to standard time in October or November 2010. [1] [2] It caused recurring alarms to start going off an hour too early or late. Apple ...
However, in most fielded systems, unwanted clutter and interference sources mean that the noise level changes both spatially and temporally. In this case, a changing threshold can be used, where the threshold level is raised and lowered to maintain a constant probability of false alarm. This is known as constant false alarm rate (CFAR) detection.
The detectors would transmit their data via wired links to remote read-outs in stations, offices or interlocking towers, where a stylus-and-cylinder gauge would record a reading for every axle; a defect would register a sharp spike on the graph and an alarm would sound or a visible signal would be given to the train crew.
Schindler describes it as a handwashing lie detector and it’s already being used in 10,000 food service locations worldwide, including franchised Taco Bell, Arby’s and Chopt restaurants ...
In 2013, Anton Chuvakin of Gartner coined the term "endpoint threat detection and response" for "tools primarily focused on detecting and investigating suspicious activities (and traces of such) other problems on hosts/endpoints". [4]
In a distributed computing system, a failure detector is a computer application or a subsystem that is responsible for the detection of node failures or crashes. [1] Failure detectors were first introduced in 1996 by Chandra and Toueg in their book Unreliable Failure Detectors for Reliable Distributed Systems.