User Manual of Network Traffic Camera revise 
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Figure 12-3 Captured Image Configuration 
2.  Check Enable License Plate Enhancement. Level adjustable from 0 to 100. 
3.  Check Contrast Enhancement.   
1)  Select mode as On, Time, Brightness. 
Time: Activate the function on schedule. Set the start time and end time. 
Brightness: Active the function automatically. Set the brightness threshold. 
2)  Set enhancement level from 0 to 100. Higher value means stronger effect. 
3)  Set Halo Suppression Level from 0 to 100. Higher value means stronger effect. 
12.4 Configuring ICR 
Purpose: 
IR Cut Filter is used to block or reflect infrared wavelengths but pass visible light. 
This series of cameras support auto switch of ICR to realize the 24-hour surveillance. 
Note: ICR configuration is not supported by all camera models of this series. 
Steps: 
1.  Go to Configuration > Device Configuration > Image Parameters > ICR. 
2.  Select ICR Mode. Do not Switch, Auto-switch, Manual Switch, and Scheduled 
Switch are selectable. 
  Do not switch: The ICR always stays in day mode by default. 
  Auto  Switch:  The  ICR  switches  according  to  the  brightness.  Adjust