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1. Go to the Hardware tab in the System settings dialog window (1).
   In the objects tree on the Hardware tab select the IntLab-Carriage subordinate module object (2). The settings panel of the selected object will open on the right side of the window.
   
2. From the Camera: drop-down list the required Camera object, used for license plates recognition (3).
3. In the Typical plate size: enter the width and height of recognized carriage plate (is set in pixels) (4). 
   To specify a plate size in the video image using a mouse button. do the following:
   1. Click the  button to open the Camera window. The Camera window displays video image from the camera set in the LPR channel settings.
      
   2. Click and hold the mouse button in the video image at one of the corners of the supposed search area.
   3. Keep the mouse button pressed and drag the mouse across the supposed search area to the opposite corner. Release the mouse button and click OK button to save the selected area.
      
      

4. Set the Search area checkbox to activate function of specifying search area borders in the video image (5). 

   Info
   title Note.
   Procedure of specifying search area borders in the video image using mouse button is the same as procedure of specifying olate size (see item 3).

5. In the Left, Top, Right, Bottom fields enter values of search area border of carriage plate in the video image (6). Values in the Left, Top, Right, Bottom fields are specified in percentage of video image size.
6. To save changes click Apply (7).