Dahua Technology DH-IPC-EBW81242N-AS-S2 12MP Outdoor Network Panoramic Fisheye Camera with Night Vision - Manual (Page 159)

Operation Manual
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Export the file in .csv format if not encrypted, and you can edit the file.
Figure 8-54 Encryption settings (2)
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Export the file in .backup format if encrypted, and you cannot edit the file.
Figure 8-55 Encryption settings (3)
8.11.5 Blocklist
After enabling blocklist, an alarm will be triggered when a plate number in blocklist is detected.
An alarm will be triggered when a plate number in the block list is detected.
You can add 10,000 plate information in blocklist at most.
The operation of blocklist is same as allowlist. For details, see “8.11.4 Allowlist”.