Dahua Technology DH-PFR4K-B240 User Manual page 43

Figure 4-21
Step 2 Configure parameters as needed.
Table 4-6 Parameter descriptions of protection zone management
Name Description
Trajectory
Trajectory duration of targets, ranging from 3 s to 30 s.
Duration
You can select different channels for radar to avoid co-channel interference.
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Select Channel
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Select the detection region according to actual application.
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
Detection Region
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Hide Protection
Select the check box to hide protection area.
Zone
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Track Mode
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300 m/450 m protection zone management
Applicable to 50 m/120 m radar.
Co-channel interference: In radar's protection zone, interference signals from
other devices in the same frequency band will cause the radar to give
cluttering trajectory and misinformation more frequently.
For 240 m radar, 100/240 m available (240 m by default).
For 300 m radar, 150/300 m available (300 m by default).
For 450 m radar, 300/450 m available.
Applicable to 240 m/300 m/450 m radar.
The device will restart if the value is changed.
Tour: The camera tracks all targets in the detection region in turn.
Distance Priority: The camera tracks the target nearest to the radar in the
detection region.
Time Priority: The camera tracks the target appearing earliest in the
detection region.
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User's Manual