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Network Camera User Manual
Set the alarm line number and direction. Only one line 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.
A<-B
: The alarm will be triggered when the intruder crosses over the alarm line from B to A.
Click the “Draw Area” button and then drag the mouse to draw a line in the image. Click the
“Stop Draw” button to stop drawing. Click the “Clear” button to delete the lines. Click the
“Save” button to save the settings.
5. Set the schedule of the line crossing alarm. The setup steps of schedule are the same as the
schedule recording (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.
4.4.4
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.
