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  2. Varizone - Wikipedia

    en.wikipedia.org/wiki/Varizone

    Varizone is a fully digital public address system technology developed and produced and by Klotz Digital.. In contrast to traditional public address systems using analogue 70 or 100 volt speaker systems Varizone is a fully digital system that transmits the audio digitally to the speaker, where it is amplified by small, distributed programmable amplifier modules.

  3. Public address system - Wikipedia

    en.wikipedia.org/wiki/Public_address_system

    A public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music.

  4. Service (motor vehicle) - Wikipedia

    en.wikipedia.org/wiki/Service_(motor_vehicle)

    A motor vehicle service or tune-up is a series of maintenance procedures carried out at a set time interval or after the vehicle has traveled a certain distance. The service intervals are specified by the vehicle manufacturer in a service schedule and some modern cars display the due date for the next service electronically on the instrument panel.

  5. 1 Main Circuit - Wikipedia

    en.wikipedia.org/wiki/1_Main_Circuit

    1 Main Circuit (1MC) is the term for the shipboard public address circuits on United States Navy and United States Coast Guard vessels.This provides a means of transmitting general information and orders to all internal ship spaces and topside areas, and is loud enough that all embarked personnel are (normally) able to hear it.

  6. Preventive maintenance checks and services - Wikipedia

    en.wikipedia.org/wiki/Preventive_Maintenance...

    A PMCS is required before a vehicle can be dispatched and before a piece of equipment, such as a weapon, can be issued. A PMCS sheet, as listed above, for vehicles is called a DA 5988E. This sheet is used to write down any deficiency found during the PMCS procedure. [2]

  7. Vehicle tracking system - Wikipedia

    en.wikipedia.org/wiki/Vehicle_tracking_system

    A vehicle tracking system combines the use of automatic vehicle location in individual vehicles with software that collects these fleet data for a comprehensive picture of vehicle locations. Modern vehicle tracking systems commonly use GPS or GLONASS technology for locating the vehicle, but other types of automatic vehicle location technology ...

  8. Automotive navigation system - Wikipedia

    en.wikipedia.org/wiki/Automotive_navigation_system

    A few systems integrate (or communicate) with mobile phones for hands-free talking and SMS messaging (i.e., using Bluetooth or Wi-Fi). Automotive navigation systems can include personal information management for meetings, which can be combined with a traffic and public transport information system.

  9. Locatable Address Conversion System - Wikipedia

    en.wikipedia.org/wiki/Locatable_Address...

    Locatable Address Conversion System (LACS) is a service offered by the United States Postal Service to update mailing addresses when a street is renamed or the address is updated for 911. In the case of 911, the address is changed from a rural route format to an urban/city route format.