annunciator

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annunciator [ə′nən·sē·ād·ər]

(engineering)

A signaling apparatus which operates electromagnetically and serves to indicate visually, or visually and audibly, whether a current is flowing, has flowed, or has changed direction of flow in one or more circuits.

annunciator

1. A signaling device, usually electrically operated, that emits an audible signal and/or a visual indication under selected circumstances; for example, it may sound an alarm in the case of fire or unauthorized entry.

2.See car annunciator.

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No references found			However with the advent of distributed control systems (DCS) the traditional back-lit annunciator was seen in decreasing numbers within this environment and many engineers predicted its use would continue to decline. Vital role: Alarm Annunciators by Oil & Gas News The Lanscan first event annunciator is said to reduce downtime and simplify troubleshooting. Process control by Rubber World A fire alarm annunciator is a device that is incorporated into the fire alarm system. Fire Alarm Annunciator Helping You Get the Most from Your System by David Faulkner / Home based business community			annular gear annular hernia annular molding annular nail annular nozzle annular section annular solid annular transistor annular vault annular velocity annular vessel annulated column annulated shaft annulene annulet annulled branch annulment Annulment of Currency annulment of marriage annulus annulus conjecture Annunciation Annunciation of the Lord Annunciation of the Virgin Annunciation, Feast of the annunciator Annunzio, Gabriele D' Annwn Año Nuevo State Reserve anoa Anobiidae ANOD anode anode balancing coil anode characteristic anode circuit anode copper anode corrosion anode current anode dark space anode detector anode dissipation anode drop anode effect anode efficiency anode fall anode film anode furnace anode glow anode impedance anode input power			Annumeration Annunaki Annunaki Annunciable Annunciade Annunciade annunciate annunciate annunciated annunciated annunciates annunciates annunciating annunciating annunciation annunciation Annunciation Day Annunciation Day Annunciation Greek Orthodox Cathedral Annunciation lily Annunciation of the Lord Annunciation of the Virgin Annunciation of the Virgin Annunciation School Parents Association Annunciation to Mary Annunciation to Mary Annunciation, Feast of the annunciations annunciations Annunciative annunciator Annunciator Voice Message annunciators annunciators annunciators annunciatory annunciatory annunciatory Annunnaki Annunnaki Annunzio, Gabriele D' Annus Annus Annus climactericus Annus climactericus Annus climactericus Annus climactericus Annus horibilis Annus horribilis annus mirabilis Annuvin Annuvin Annville-Cleona School District Annwfn Annwfn ANNWG Annwn Annwn Annwyfn Annwyfn Annwyn

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annunciator