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监控显示屏显示无信号

更新时间: 2020-08-17 00:00:00     

1、无信号是指没有视频信号源输入进来。

2、线路和电源,摄像机故障都有可能显示无信号。

3、分开检查,是有检查顺序的,顺序一般先检查电源,再检查线路,最后检查摄像机。

关键词: 监控 显示屏 显示 信号

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