Dahua HCVR82**A-S3 Series - Page 220

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Figure 4-212
4.21.1.3 Record Estimate
System can calculate the record time based on the HDD space, or you can input the record time you
want to calculate the HDD space you need.
From main menu->Info->System->Record estimation, you can go to the following interface. See Figure
4-213.