If controller is linked with alarm output and network fire control expansion board, it can also drive alarm annunciator calling to deter crime and warn the security guard.
如果控制器接了报警输出及消防联动扩展板，还可以现场驱动报警器鸣叫，威慑犯罪人员和提醒保安赶来。
Each Annunciator can have up to two Horn relays and two Group relays and each alarm channel can be configured to drive any of these common relays.
每个传感器都有两个喇叭继电器和两个群继电器，并且每个警报主频都可以驱动任何一个通用继电器。
The fire extinguishing gas spray device has an annunciator (53) that issues an alarm based on a fire occurrence signal or an earthquake occurrence signal from a disaster alarm device.
在上述灭火气体喷射器设置有告知器53，该告知器53可通过来自灾害警报机的火灾发生信号或地震发生信号而报警。
The fire extinguishing gas spray device has an annunciator (53) that issues an alarm based on a fire occurrence signal or an earthquake occurrence signal from a disaster alarm device.
在上述灭火气体喷射器设置有告知器53，该告知器53可通过来自灾害警报机的火灾发生信号或地震发生信号而报警。
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