Dahua Technology DH-PFR4K-B240 User Manual page 65

Step 2 Configure parameters as needed.
For other parameter descriptions, see Table 4-18.
Click Save.
Step 3
4.3.2.5 Scene Changing
When scene changing happens, the alarm will be triggered. See conditions below.
The vertical detection range of the radar is covered for more than 50%.

The radar is rotated for more than 30°. But in open areas, 30° rotation of the radar might not

trigger the alarm.
Select Setting > Event > Abnormality > Scene Changing.
Step 1
The Scene Changing interface is displayed. See Figure 4-43.
Step 2 Select Enable check box to enable scene changing alarm, and then configure other
parameters as needed. For details, see Table 4-18.
Step 3 Click Save.
Figure 4-42 Security exception
Figure 4-43 Scene changing
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User's Manual