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5，專業(yè)供應(yīng)消防應(yīng)急廣播主機(jī)GB9242/KT9242（消防廣播主機(jī)、公共廣播主機(jī)）
消防應(yīng)急廣播系統(tǒng)系指當(dāng)建筑物及應(yīng)用現(xiàn)場出現(xiàn)緊急情況時(shí)比如：火警、匪警及其它突發(fā)性災(zāi)害事件，系統(tǒng)應(yīng)可立即取消任何非應(yīng)急廣播功能，保證將應(yīng)急廣播信息可靠、及時(shí)、準(zhǔn)確的廣播到一個(gè)或多個(gè)指定的區(qū)域，廣播的語言信息應(yīng)清晰、可懂。
1,應(yīng)急狀態(tài)，自動停止普通廣播，同時(shí)啟動應(yīng)急廣播
2,應(yīng)急廣播狀態(tài)可自動播放預(yù)設(shè)的廣播語音信息
3,數(shù)字電位器調(diào)整無定位，連續(xù)可調(diào)和預(yù)置音量
4,手持傳聲器：有“講話”“復(fù)位”功能
5,應(yīng)急廣播時(shí)能啟動30分鐘以上的數(shù)字錄音
6,線路輸入、線路輸出，可選擇切換音源
7,有輸出過載、短路、過壓保護(hù)、過溫保護(hù)
8,功放輸出有錄音
9,功率輸出：150W/300W/500W
10,尺寸3U
Fire Emergency Broadcast Host
1, In a state of emergency, the system can automatically stop the ordinary broadcast,and start the emergency broadcast at the same time.
2, Broadcasting in a state of emergency, system automatically to play tpre-set voice messages.
3,Using digital potentiometer; the volume can be adjusted continuously, and can be preset.
4,Hand-held microphone: have “speech” and “reset”Function.
5,Broadcasting in a state of emergency,systems can start than 30 minutes of digital recording
6,Line input; Line output; Can choose to switch sources.
7,Pretects and gives an alarm when output overload, short circuit, overvoltage , overheat.
8,Amplifier output was monitoring.
9,Power output: 150W/300W/500W.