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Encoder User Manual
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
: Alarms will be triggered when the intruder crosses over the alarm line from B to A or
from A to B.
A->B
: Alarms will be triggered when the intruder crosses over the alarm line from A to B.
A<-B
: Alarms will be triggered when the intruder crosses over the alarm line from B to A.
Click the “Draw” button and then drag the mouse to draw an alarm line in the image. Click
the “Stop” button to stop drawing. Click the “Clear” button to delete the cordons. Click the
“Save” button to save the settings.
5. Set the schedule of the line crossing alarm. The setup steps of the schedule are the same as
the schedule recording setup (See
※ Configuration of camera and surrounding area
1. Auto-focusing function should not be enabled for line crossing detection.
2. Avoid the scenes with many trees or the scenes with various light changes (like many flashing
headlights). The ambient brightness of the scenes shouldn’t be too low.
3. Cameras should be mounted at a height of 2.8 meters or above.
4. Keep the mounting angle of the camera at about 45°.
5. The detected objects should not be less than 1% of the entire image and the largest sizes of
the detected objects should not be more than 1/8 of the entire image.
6. Make sure cameras can view objects for at least 2 seconds in the detected area for accurate
detection.
7. Adequate light and clear scenery are crucial for line crossing detection.
4.5.4
Intrusion
Intrusion
: Alarms will be triggered if someone or something intrudes into the pre-defined
areas. This function can be applicable to important supervision places, danger areas and
prohibited areas, like military administrative zones, house breaking, scenic high danger areas,
no man’s areas, etc.
Go to Config
→
Event
→
Intrusion interface as shown below.
