User manual

85XX Series Network DVR User Manual……………………………………………………………………….V1.0
- 70 -
4.4.2.4.3 Adding and Removing Nodes
Zones and lines can be tailored to any scenario by simply adding more nodes to define the shape required. To
add a node, simply double click on the zone or line at the point where the new node should be added. Nodes
can be deleted by right clicking on node and selecting Node…remove
4.4.2.4.4 Non Detection Zones
In some situations, especially where the scene is busy, objects tracked in some areas can interfere with
detection zones in other areas. For example, on a windy day, moving foliage can generate false alarms that in
some situations could be tracked through a detection zone. In order to minimize such issues, it is possible to
configure "non-detection" zones, where nothing is detected or tracked.
4.4.2.5 Detection Rules
4.4.2.5.1 VCA presence
Once some detection zones and/or lines have been configured, it's possible to define some detection rules that
apply to the zones/lines. By default, zones and lines are automatically configured to detect object presence.
The rules are defined in the Properties Inspector: