Dahua NVR52-4KS2 Series User Manual page 305

Back up.
●
Select one or more images, click Backup , select the storage path and file type, and then click
Start to export files to external storage device.
5.9.9.3.3 Non-motor Vehicle Detection
Background Information
You can search for non-motor vehicle detection results according to the non-motor vehicle
parameters.
This function is available on select models.
Procedure
Select Main Menu > AI > AI Search > Non-Motor Vehicle Detection .
Step 1
Step 2 Select a channel and then set parameters.
Click Search.
Step 3
Figure 5-171 Non-motor vehicle detection
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User's Manual