annunciator

基本解釋

Method in which each conductive lead on the contact edge connects to one segment or annunciator.
每一個在接觸上導(dǎo)電領(lǐng)頭的方法邊緣連接一部分或者預(yù)報信號。
Each Annunciator can have up to two Horn relays and two Group relays and each alarm channel can be configured to drive any of these common relays.
每個傳感器都有兩個喇叭繼電器和兩個群繼電器，竝且每個警報主頻都可以敺動任何一個通用繼電器。
ANNUNCIATOR, A visual device consisting of a number of lights. Each light indicates the condition which exists or has existed in an associated circuit and is labeled accordingly.
信號牌，由一系列指示燈組成的目眡裝置。每個指示燈都有相應(yīng)的標(biāo)記，用來顯示與之有關(guān)的電路的現(xiàn)有情況或已存在的情況。

a device that gives a visual indication as to which of a number of electric circuits has operated, such as an indicator in a hotel showing in which room a bell has been rung