HIKVISION HWD Series User Manual page 135

B->A: Only the object crossing the configured line from the B side to the A side can be
detected.
2) Drag the slider to set the detection sensitivity.
Sensitivity: Range [1-100]. The higher the value is, the more easily the detection alarm can
be triggered.
3) Click OK to save the rule settings and return to the line crossing detection settings
interface.
Step 7 Click and set two points in the preview window to draw a virtual line.
You can use the
Up to 4 rules can be configured.
Step 8 Click Apply to activate the settings.
Digital Video Recorder User Manual
Figure 9-6 Set Line Crossing Detection Rules
to clear the existing virtual line and re-draw it.
Figure 9-7 Draw Line for Line Crossing Detection
134