Dahua N41C1P, User Manual, Page: 213 / 377

User's Manual
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The statistics might be overwritten when the storage space runs out. Back up in time.
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When you restore the Device to factory settings, all the data except data in the external
storage device will be cleared. You can clear the data in the external storage device
through formatting or other methods.
Procedure
Step 1 Select Main Menu > An > Report Query > Vehicle Density.
Figure 5-161 Vehicle density
Step 2 Select channel, report type, start and end time, and then click Search.
Related Operations
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Switch chart type.
Click Bart Chart or Line Chart to switch the chart type.
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Export.
Select file type, and then click Export to export the report in picture or csv format.