User Manual

DS-73xxHUI-K4, DS-73xxHQI-K4, DS-90xxHUI-K8 DVR User Manual
UM DS-73xxHUI-K4 DS-73xxHQI-K4 DS-90xxHUI-K8 032918NA 133
A<->B: Only the arrow on the B side shows. When an object goes across the
configured line, both directions can be detected and alarms are triggered.
A->B: Only an object crosses the configured line from the A side to the B side can
be detected.
B->A: Only an 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.
S
ensitivity: Range [1-100]. The higher the value, the more easily the detection
alarm will be triggered.
3) Click OK to save the rule settings and return to the line crossing detection settings
interface.
Figure 180, Set Line Crossing Detection Rules
8. Click and set two points in the preview window to draw a virtual line.
9. Use
to clear the existing virtual line and re-draw it.
Up to four rules can be configured.
Figure 181, Draw Line for Line Crossing Detection
10. Click Apply to activate the settings.