Controls delay of annunciator panel call pending buzzer if a panel is provided.
控制信号面板呼梯蜂鸣器的延迟时间，如果提供了一个面板的话。
Digital Communications Interface: Matched to capability of remote annunciator or annunciator and control panel.
数字通信接口：与远程信号器及控制面板配套。
Digital Communications Interface: Matched to capability of remote annunciator or annunciator and control panel.
数字通信接口：与远程信号器及控制面板配套。
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