User manual

85XX Series Network DVR User Manual……………………………………………………………………….V1.0
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4.4.2.6.2 Object Appear and Disappear
Enable the object appears and disappear detection by checking the corresponding check boxes in the
properties inspector and click apply.
An object appears alarm is raised when an object appears inside a detection zone. Note that this is different
from object entered detection since the object must be initially detected inside the zone without entering, e.g.
people appearing in a doorway, or cars appearing from an underground car park.
Conversely an object disappear alarm is raised when an object disappears inside a detection zone. Again, this
is different from object exit detection since the object must be tracked into the zone and then disappears
without exiting the zone.
4.4.2.6.3 Object Enter and Exit
Enable the object enter and exit detection by checking the corresponding check boxes in the properties
inspector and click apply.
An object entered alarm is raised when an object crosses from the outside to the inside of a detection zone.
Conversely, an object exited alarm is raised when an object crosses from the inside to the outside of a
detection zone: