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  2. Motorola Minitor - Wikipedia

    en.wikipedia.org/wiki/Motorola_Minitor

    Indian Creek Fire Department (Fayetteville, IN) paging tones activating Motorola Minitor pager. Minitor pagers, depending on the model and application, can operate in the VHF Low Band, VHF High Band, and UHF frequency ranges. They are alerted by using two-tone sequential Selective calling, generally following the Motorola Quick Call II standard ...

  3. Motorola Type II - Wikipedia

    en.wikipedia.org/wiki/Motorola_Type_II

    A lot of Fire and EMS departments dispatch tone-outs and alarms as Multi-select communications (ID+7). Therefore, if your fire department dispatch talkgroup is 1616, and it does dispatch tone-outs and alarms as Multi-selects, those communications will be on talkgroup 1623.

  4. Fire alarm notification appliance - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_notification...

    95 dB @ 3,100 Hz tone are used in many current notification devices. [1] 80 dB @ 520 Hz tone are used in newer notification devices. [1] 70 dB to 100 dB weighted for human hearing (higher decibels, in the 100 to 115 dB range, were common with older electromechanical horns) [citation needed] Light (visible signals) 15 cd to 1,000 cd candela ...

  5. Emergency Alert System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Alert_System

    The FCC issued several fines relating to EAS tone usage in August 2019, including ABC being fined $395,000 for using wireless emergency alert tones multiple times during a Jimmy Kimmel Live sketch, AMC Networks being fined $104,000 for using the tones in The Walking Dead episode "Omega", Discovery Inc. being fined $68,000 for including footage ...

  6. Ringdown - Wikipedia

    en.wikipedia.org/wiki/Ringdown

    Example: an airport control tower to the airport's fire station or fire dispatch center. Example: Independent System Operator (ISO) communication to a power plant. in situations where the called party needs to be certain of who is calling. Example: a hospital emergency department and an ambulance dispatch center.

  7. Federal Signal Modulator - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Modulator

    The system uses a distinctive "WHOOP" tone that was originally produced for Federal Signal's line of fire alarms. The system is tested on the second Monday of every month at 6:00pm. [6] Alaska has many Federal Signal Modulators and Eclipse 8s on their All Hazard Siren System. They sound for tsunamis as well.

  8. File:Tone-generator-and-wire-tracker-0a.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Tone-generator-and...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Pages for logged out editors learn more

  9. Plectron - Wikipedia

    en.wikipedia.org/wiki/Plectron

    Radio Receivers, Fire helmets, Public Safety Plectron R-520 receiver manufactured in 1974. A Plectron is a specialized VHF / UHF single-channel, emergency alerting radio receiver , used to activate emergency response personnel, and disaster warning systems.

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