Digital Watchdog MEGApix DWC-MVT4Wi28 User Manual page 31

1. Enable line crossing alarm and set the alarm holding time.
2. Set alarm trigger options. The setup steps are the same as motion detection.
Please refer to motion detection chapter for details.
3. Click "Save" button to save the settings.
4. Set area and sensitivity of the line crossing alarm. Click the "Area and Sensitivity"
tab to go to the interface as shown below.
Set the alarm line and the direction. Up to 4 lines can be added. Multiple lines cannot
be added simultaneously.
Direction：A<->B, A->B and A<-B optional. This indicates the direction of the
intruder who crosses over the alarm line that would trigger the alarm.
A<->B: The alarm will be triggered when the intruder crosses over the alarm line
from B to A or from A to B.
A->B: The alarm will be triggered when the intruder crosses over the alarm line from
A to B.
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