Video Diagnosis - Dahua NVR6032K User Manual

When someone viciously masks the lens, or the output video is in one-color due to the environments
light change, the
menu->Setting->Video detect->Tampering, you can see tampering interface is shown as in Figure 3-79.
You can enable "Alarm output "or "Show message" function when tampering alarm occurs.

Sensitivity: The value ranges from 1 to 6. It mainly concerns the brightness. The level 6 has the
higher sensitivity than level 1. The default setup is 3.
Tips:
You can enable preset/tour/pattern activation operation when video loss occurs.
Please refer to chapter 3.10.1.1 motion detection for detailed information.
Note:

In Detect interface, copy/paste function is only valid for the same type, which means you can not
copy a channel setup in video loss mode to tampering mode.

About Default function. Since detection channel and detection type may not be the same, system
can only restore default setup of current detect type. For example, if you click Default button at
the tampering interface, you can only restore default tampering setup. It is null for other detect
types.

System only enables tampering function during the period you set here. It is null for motion detect
or video loss type.

3.10.1.4 Video diagnosis

From main menu->Setting->Video detect->Video diagnosis, you can see the interface is shown as in
Figure 3-78. This function allows you to be informed when video is blurry, over exposure or color cast
occurs. You can enable alarm output channel and then enable show message function.
You can refer to chapter 3.10.1.1Motion detect for detailed information.
system can alert you to guarantee
Figure 3-79
video continuity. From main
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