该装置具有音量自动控制、故障自动告警、性能稳定、安全可靠等特点。
The utility model has the characteristics of automatic volume control, automatic accident alarm, stable performance, safety, etc.
音量控制电路由编程开关、电脑存储放大执行电路构成，可实现报警音量自动控制；
The volume control circuit is composed of a programming switch and a computer storing magnifying executive circuit, and can realize the automatic alarming volume control.
音量控制电路由编程开关、电脑存储放大执行电路构成，可实现报警音量自动控制；
The volume control circuit is composed of a programming switch and a computer storing magnifying executive circuit, and can realize the automatic alarming volume control.
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