Dahua NVR52-16P-4KS2 Series - Page 232

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Figure 4-102
Step 4 Select a channel number and then click OK.
Step 5 Set detection type as IVS and then set start time and end time.
Step 6 Click Historic Analysis.
Device displays the corresponding image. See Figure 4-103.
Figure 4-103
Step 7 Click the image; you can view the record file.