DISASTER-PREVENTIVE MONITOR FACILITY

摘要

PROBLEM TO BE SOLVED: To prevent malfunction with simple constitution when the sunshine, etc., is received. SOLUTION: This disaster-preventive monitor facilities monitor a fire by installing a light-beam type fire detector 3 having multiple detection ranges in a monitor area and connecting the detector 3 to a transmission line 2 led out of a disaster-preventive monitor board 1. A function setting indication part 11 of the disaster-preventive receiving board 1 indicates a setting showing whether the fire detecting functions of the multiple detection ranges that the fire detector 3 has are effective or ineffective. A function setting part of the light-beam type fire detector 3 makes the fire detecting functions of the detection ranges effective or ineffective according to the indication from the function setting indication part 1.