1.冷库呼叫报警装置接收到冷库报警呼叫按钮信号时，对应按钮上的报警灯闪亮，冷库呼叫报警装置发出声光报警，外接输出报警，同时，冷库呼叫显示板也相应发出声光报警。
2.冷库呼叫报警装置上的“消音”键，可暂停声音报警和外接输出报警，但报警状态指示灯常亮。若按冷库呼叫显示板上的“消音”键，可暂停声音报警，但报警状态指示灯常亮，直道冷库报警装置解除信号后，报警撤销，相应报警状态指示灯熄灭，蜂鸣器不发声，进入待机状态。
3.冷库呼叫报警装置上的“测试”键可以对系统本身进行测试。
4.冷库呼叫按钮带自锁，带电源指示灯和报警指示灯。
Functional Description
Refrigerator call alarm device receives the Refrigerator alarm call button signal, the corresponding button on the alarm shining. Refrigerator call alarm device send out sound and light alarm, external output alarm, at the same time, the Refrigerator call display board also corresponding send out sound and light alarm.
Refrigerator call alarm device on the “mute” button, can suspend voice alarm and external output alarm, but alarm state light Chang Liang. If according to the Refrigerator call display board” sound attenuation” button, can suspend voice alarm, but alarm state light Chang Lang, until the Refrigerator alarm device life signal, alarm undo, corresponding alarm state light extinguished, buzzer not uttered his voice, and enter the standby state.
Refrigerator call alarm device on the “test” key to test the system itself.
Refrigerator call button with self-locking, With power light and alarm light.