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1. Go to the settings panel of the Handrail grip detection object that is created on the basis of the Person location tracker object.
   
   
2. Configure the handrails and steps areas. For this, do the following:
   1. Click the Settings button (1). The Detection settings window opens.
      
      
   2. Click the Stop video button (1) to capture a frame of the video image (2).

   3. On the captured frame, set at least one handrails area (3) and at least one steps area (4). To add an area, enable the corresponding Handrails area or Steps area button by clicking it. The active button is highlighted in blue (5).
      
      

      Info
      title Note
      For the Handrail grip detection to work, you must create at least one handrails area and at least one steps area. Otherwise the detection tool won’t work. To delete an area, click the button to the right of the corresponding steps or handrail area (6). If the handrail in the frame is curved, you must specify it with several lines. The accuracy of specifying the handrails and steps areas increases the accuracy of the detection. If the handrail is wide, it is recommended to specify the handrail line in the middle of the handrail. The location of the object in the steps area is determined by the middle of the lower extremities (the middle between the ankles. If they aren’t visible, then the middle between the knees).

       

   4. Click the OK button (7) to save the changes and return to the settings panel of the detection tool.
3. On the settings panel of the detection tool, set the Generate alarm on camera checkbox (2) to generate an alarm on camera when the detection tool is triggered. By default, the checkbox is clear.

4. Set the Display event on screen checkbox (3) to display an alarm frame border on the screen when the detection tool is triggered. You can specify the color of the alarm frame border in the next step. By default, the checkbox is clear.

5. In the Alarm border color field (4), specify the color of the alarm frame border using the color palette. The default color is red. You can open the Color palette by double-clicking the color field. After selecting the frame color, click the OK button to save the settings.
   
   

6. In the Number of frames for decision making (1, 20) field (5), enter the required number of frames from 1 to 20, on which a person is walking on the stairs and doesn’t hold the handrail, to generate the corresponding event. The default value is 2.

7. Click the Apply button (6) to create a detection tool with the specified settings.