Swann 4-4350 Instruction Manual page 19

Camera: VCA - Line Crossing Detection (cont.)
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1. Draw Line:
The pen tool is used to draw a detection line. Click this
button then using the mouse, click once at the start point then click
again at the end point. A detection line will be drawn between the two
points. Direction A and direction B will be shown, denoting the rule that
you can apply to the detection line. A detection line can be drawn at any
length and angle within the image.
In the above right example, a detection line has been drawn towards the
left next to the front door entrance. When selecting rule A->B, motion is
detected when an object has crossed the line from direction A only. You
can apply a different rule to a detection line without having to redraw it.
2. Clear: Click this button to clear the selected detection line.
Sensitivity:
After drawing a detection line, move the slider to increase
or decrease the sensitivity level according to your needs. The higher the
1 2
Camera 01
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B
A
You can select a different rule for each detection line
drawn, giving you flexibility on how motion is detected.
number, the more sensitive the detection line will be. Some experimen-
tation may be needed to get the correct sensitivity level.
When finished, click the "Apply" button to save settings.
Please note:
It's very important that you change the recording
schedule for the camera you've selected, otherwise VCA motion
events will not be recorded - see page 24 for more information.
Camera 01
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