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  2. Constant-voltage speaker system - Wikipedia

    en.wikipedia.org/.../Constant-voltage_speaker_system

    Constant-voltage speaker systems are also commonly referred to as 25-, 70-, 70.7-, 100 or 210-volt speaker systems; distributed speaker systems; or high-impedance speaker systems. In Canada and the US, they are most commonly referred to as 70-volt speakers. In Europe, the 100 V system is the most widespread, with amplifier and speaker products ...

  3. Pager - Wikipedia

    en.wikipedia.org/wiki/Pager

    Pager. A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter. [2]

  4. Public address system - Wikipedia

    en.wikipedia.org/wiki/Public_address_system

    Battery-powered systems can be used by guides who are speaking to clients on walking tours. Public address systems consist of input sources (microphones, sound playback devices, etc.), amplifiers, control and monitoring equipment (e.g., LED indicator lights, VU meters, headphones), and loudspeakers.

  5. Generac - Wikipedia

    en.wikipedia.org/wiki/Generac

    generac.com. Generac Holdings Inc., commonly referred to as Generac (derived from a combination of generating and AC), is a Fortune 1000 American manufacturer of backup power generation products for residential, light commercial and industrial markets. [6] Generac's power systems range in output from 800 watts to 9 megawatts, [7] and are ...

  6. 6 Questions About the Deadly Pager Attacks in Lebanon, Answered

    www.aol.com/news/6-questions-deadly-pager...

    Across the Atlantic, the E.U.’s foreign policy chief Josep Borrel condemned the attacks in a statement, warning that they “endanger the security and stability of Lebanon, and increase the risk ...

  7. Droop speed control - Wikipedia

    en.wikipedia.org/wiki/Droop_speed_control

    Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power ...

  8. Radio-paging code No. 1 - Wikipedia

    en.wikipedia.org/wiki/Radio-paging_code_No._1

    Radio-paging code No. 1 (usually and hereafter called POCSAG) is an asynchronous protocol used to transmit data to pagers. Its usual designation is an acronym of the P ost O ffice C ode S tandardisation A dvisory G roup, the name of the group that developed the code under the chairmanship of the British Post Office that used to operate most ...

  9. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

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