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Audio/Visual Advisory Systems - wks.hk

    http://www.wks.hk/english/visual.html#:~:text=Audio%2FVisual%20Advisory%20Systems%20AUDIO%20A%20system%20of%20records%2Fsignals,of%20emergency%20conditions%20and%20the%20action%20to%20befollowed.
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Audio/Visual Advisory Systems - wks.hk

    http://www.wks.hk/english/visual.html
    Audio/Visual Advisory Systems AUDIO A system of records/signals either verbal or musical or direct transmission over a Public AddressSystem to advise staff and other occupants of emergency conditions and the action to befollowed.

AUDIO VISUAL SYSTEMS GENERAL STANDARDS & …

    https://its.unl.edu/pdfs/UNL%20ITS%20AV%20Design%20Standards%20Rev2%20Mar17.pdf

    Amazing Grace Limited

      http://www.agracehk.com/eng/p3.asp?ItemClass1=Products&ItemClass2=Audio%2FVisual+Advisory+System
      Audio/Visual Advisory System Centralized Self-contained Batteries Monitoring and Logging System Audio/Visual Advisory System: Audio/Visual Advisory System. AVA System Controller. Back Power Amplifier. Pre. Amplifier. Amplifier Monitoring Panel. Speaker. Microphone ...

    Audiovisual Systems | WSP

      https://www.wsp.com/en-CA/services/audiovisual-systems

      Installation and Maintenance of Audio/Visual …

        https://www.hkfsd.gov.hk/eng/source/circular/e07_1999.pdf

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