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on most cable television systems through the installation of then-new generators and encoders between 1997 and 1999. Some of the notable EAS generators at the time include Video Data
Systems, Texscan, Gorman-Redlich, Idea/Onics, and Cable Envoy; and encoders include SAGE, TFT, and Trilithic models. During the cable growth of the Emergency Alert System, only some cable systems retained the Local Access Alert equipment up into the first part of the 2010s.
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As of the early 2020s, most Local Access Alerts are delivered as practice or demonstration warnings as part of the
Emergency Alert System, but the remainder of the nearly-extinct Local Access Alerts can still be seen on a minority of very small cable systems that either haven't had equipment upgraded
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Local Access Alerts gained the most popularity on local cable systems from the latter half of the 1970s until the end of the 1990s, when the
Emergency Alert System took over the role of the Emergency Broadcast System on cable television on January 1, 1997. The Emergency Alert System began to build up
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In the late 2000s and early 2010s, most remaining cable systems set up for Local Access Alerts used either both
Trilithic EASyPLUS or Video Data Systems as their modern screens instead of the previously used older systems such as CommAlert (although older systems of the Local Access Alert were still
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in the 1960s, although it was not directly (and mainly) called the two main names of systems, as they sometimes pronounced it in various names. In the late 1960s and early 1970s, Local Access Alerts began to spread all over the United States, although few cities and towns had cable television yet.
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used in a handful of areas at the time). By the end of the 2010s, the popularity of Local Access Alerts became nearly extinct on most cable systems in the United States, as all cable systems already had the
Emergency Alert System, which at that time, local cable systems had become either
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A limitation of the Local Access Alert system is that operators have to dial out to end transmission. Simply hanging up the phone connected to the system after an emergency broadcast does not work, and viewers may hear other phone noises – such as
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through a telephone to take control of the cable of an area in the path of danger. Cable subscribers in that area have every television channel interrupted by audio and often a given screen. The distinct attention signal played can be
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Police or emergency management let cable viewers in local and surrounding areas know of an impending emergency and instruct them to shelter or evacuate. Alerts are chiefly for
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technology to activate for potential disasters and deactivate to resume cable broadcasts, especially late at night when many public servants aren't available to break in.
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tones, steady single (or dual) tones, or multiple hi-lo beeps. The screen shown can be black, white, colored depending on warning, a slide or
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Tests of the Local Access Alert occur once weekly at randomly selected times, as well as scheduled monthly tests and yearly
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radio stations, television stations, cable television broadcast feeds or satellite signals of impending dangers such as
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such as tornadoes, flash floods, earthquakes, winter storms, and hurricanes. Alerts may also pertain to
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The first known
Emergency Override Systems or Local Access Alerts were delivered during the boom of
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When cable systems continued to grow, the Local Access Alert was usually added.
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or became part of a major company in unincorporated or very minor areas.
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Mostly areas that have not upgraded to the
Emergency Alert System
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and other civil emergencies. With a gradual transition from
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Some broadcast television stations and cable systems
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27:Emergency information system in the United States
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448:The Local Access Alert is initiated by local
64:Learn how and when to remove these messages
578:Disaster preparedness in the United States
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223:Learn how and when to remove this message
161:Learn how and when to remove this message
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549:. Retrieved
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93:Please help
88:verification
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501:Limitations
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288:TV stations
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512:dial tones
467:Morse code
414:Suddenlink
197:improve it
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316:Dissolved
201:verifying
56:talk page
551:June 19,
324:Replaced
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406:Comcast
379:History
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195:Please
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