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丹麦的迪弗公司制造了一种新型监听装置——可闻报警器,它可提供八个报警输入信号和三个中继输出信号。迪弗AL8-2型报警控制屏通过面板上的三个按钮进行程序控制。
Diver, Denmark, has created a new type of sniffing device - the audible alarm, which provides eight alarm inputs and three relay outputs. Dubuffet AL8-2 alarm control panel through the three buttons on the panel for program control.