In the automatic fire alarm receiver which joints the automatic fire alarm system

摘要

PROBLEM TO BE SOLVED: To output an appropriate voice alarm and to enable quick refuge. ;SOLUTION: This automatic fire alarm receiver A successively adds speaker lines L1 and L2 made to correspond to fire sensors S and outputs the voice alarm every time of receiving fire signals from the fire sensors S of different installation places. Every time of successively receiving the fire signals from the fire sensors S as a first report and a second report, the generation part of a fire is changed stepwise from a detailed management unit to a wide area management unit and outputted from the speaker lines L1 and L2 as the voice alarm.;COPYRIGHT: (C)2000,JPO