User Manual of Network Traffic Camera revise 
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for speed detection.   
Steps: 
1.  Go  to  Configuration  >  Device  Configuration  >  System  Configuration  > 
Installation Parameters. 
 
Figure 8-2 Installation Parameters 
2.  Set the installation parameters according to the actual conditions.   
Installation  height  and  horizontal  distance  can  be  set  according  to  the  actual 
installation height.   
Horizontal field angel and vertical field angel refer to the installation angel of the 
camera.  You  can  set  the  degrees  manually  according  to  the  actual  installation 
angel.   
3.  Click Save to save the settings. 
8.3  Configuring Serial Ports 
Purpose: 
Configure the RS-485 parameters and RS-232 parameters in this page. 
  The RS-485 ports are used to input signals related to traffic control. The number 
of available RS-485 ports can be different according to different camera models. 
  The RS-232 port can be used in two ways:   
•  Parameters Configuration: Connect a computer to the camera through the