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From Setup->Event->Detect->Video loss, the video loss interface is shown as in Figure 5-48.
This function allows you to be informed when video loss phenomenon occurred. You can
enable alarm output channel and then enable show message function.
For detailed setups, please refer to chapter 5.6.3.1.1 Motion detect for detailed information.
Figure 5-48
5.6.3.1.3 Tampering
From Setup->Event->Detect->Tampering, the tampering (camera masking) interface is shown as
After analysis video, system can generate a tampering alarm when the detected moving signal
reached the sensitivity you set here.
For detailed setups, please refer to chapter 5.6.3.1.1 Motion detect for detailed information.