Dahua HCVR82**A-S3 Series - Page 301

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From main menu->Setup->Event->Abnormality, it includes three types: HDD/Network/User. See Figure
5-94 and Figure 5-96.
 HDD includes: No disk, disk error, disk no space.
 Network includes net disconnection, IP conflict, and MAC conflict.
 User: It includes illegal login.
Figure 5-94
Figure 5-95