此外，还可以接收监控中心下传的勾计划和控制命令，执行报警、紧急刹车等功能。

Moreover, it can receive control instructions from monitor center and implement the function of giving alarm and urgency brake.

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分析了以685数字报警接收主机为中心组成的联网自动报警系统。

This paper introduces the networked automatic alarm system, in which "685 Digital Alarm Receiver" is explored, which is the most important equipment in the system center.

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