Dahua HCVR8204A-S3 - Page 186

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Figure 4-151
Step 3 Click Apply or Save to complete setup.
4.14.1.2 Video Loss
This function allows you to be informed when video loss phenomenon occurred. You
can enable alarm output channel and then enable show message function.
Step 1 From main menu->Setting->Event->Video detect->Video loss.
Enter motion detect interface. See Figure 4-152.