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When someone viciously masks lens, the system can alert you to guarantee video
continuity. You can select Alarm output, PTZ Linkage.
Operation method:
【Channel】select the channel to record when camera mask occurred.
【Enable】Enables function switch
【Sensitivity】there are six levels.
【Schedule】Click the set button, you can see an interface is shown as below. Here
you can set business day and non-business day. You can set up to six time periods, but
they cannot be repeated. The linear graphics show the periods. You can copy the
setting to other days
【Alarm output】: when camera masking occurs, system enables peripheral alarm
devices
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