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AXIS M1143–L
Detectors
Note
Using the motion detection feature may decrease the product’s overall performance.
Set Up Motion Detection Windows
To set up a motion detection Include Window, follow these instructions:
1. Go to Detectors > Motion Detection.
2. Select the Configure Included Windows option and click New. Select the new window in the list of windows and enter
a descriptive nam e.
3. Adjustthesize(dragthebottomright-handcorner)andtheposition (click on the text at the top and drag to the desired
position) of the window.
4. Adjust the Object Size, History and Sensitivity profile sliders (see
Motion Detection P
arameters
for details). Any detected
motion within an active w indow is indicated by red peaks in the Activity window.
5. Click Save.
To exclude parts of the include window, select the Configure Excluded Windows and position the exclude window within the
include window.
To delete an include or exclude window , s elect the window in the list of w indow s and click Del.
Motion Detection Parameters
The parameters controlling motion
detection are described in the table below:
Parameter
Object Size
History
Sensitivity
Description
Object size rela tiv
etowindow
size.
Object memory lengt
h.
Difference in lumin ance
between background and
object.
High level (100%)
Only very large objects trigger
motion detection.
An object tha
t appears in
the window triggers motion
detection for a long time
before
it is considered as
non-moving.
Ordinary colored objects on
ordinary backgrounds trigger
motion detection.
Medium level (50%)
A large difference in luminance
is required to trigger mo t ion
detection.
25