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1. Go to the Hardware tab in the System settings dialog box (1).
2. Select the Detection zone object corresponding to the required detection tool, on the Hardware tab in the objects tree (2). The settings panel for the selected object appears on the right of the Hardware tab.
   
3. Enable the focus detection tool (see the Enabling, configuring and disabling basic video detection tools section) or select the focusing detection tool registered earlier (3).

4. To enable the auto recording option on a focus detection tool alarm and generate alarm for the corresponding camera, set the Alarmed checkbox (4).

   Info
   title Note.
   If the Recording alarms option is disabled in the Camera object settings, then no video recording is performed after detection tool triggers.

   
   

   Info
   title Note.
   If If the Alarmed option is disabled in the detection tool settings, then detection tool arming is ineffective, though the line with the name of this detection tool is highlighted with a yellow square in the feature menu of the video surveillance window. This means that detection tool alarms are displayed in the Event Viewer but not shown in Video Surveillance Monitor or Map in any way.

   
   

5. To disable disarming of the focus detection tool by any user (irrespectively of his rights), set the Armed always checkbox (5).

   Info
   title Note.
   When the Armed always checkbox is set, the line with with the name of the detection tool is not displayed in the feature menu of the video surveillance window.

   
   

6. Set the value of the Sensitivity parameter by moving the the slider of the same name (6). This setting corresponds to the minimum drop in image sharpness (that is the difference between the average number of contours and the number of contours in the current frame), with which the detection tool is to trigger.
   The best value of the Sensitivity parameter is defined by testing the triggering of detection tools. In most cases the default setting is sufficient.
7. In the Delay between MD_INFO (ms) field, enter the time period in milliseconds to pass between MD_INFO events (7). This parameter may be set to avoid overloading the Event Viewer with excessive amount of the events that may occur when the MD_INFO event of the CAM_ZONE object is enabled in .ddi file – see The Events tab.
8. Click the Apply button (8).

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