User Manual of Network Traffic Camera revise 
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extent.   
6.  Select 3D DNR.   
1)  If you select Normal Mode, adjust 3D DNR Level from 0 to 100. 
2)  If  you  select  Expert  Mode,  adjust  Spatial  Intensity  and  Time  Intensity 
from 0 to 100. 
7.  (Optional) Check 2D DNR, and adjust 2D DNR Level from 0 to 100. 
8.  (Optional) Check Slow Shutter and select slow shutter level. 
In  slow  shutter  mode,  the  shutter  speed  will  automatically  decrease  in  low 
illumination conditions to maintain clear video images by increasing the exposure 
time. Higher level means lower shutter speed. 
9.  Select Video Standard, 50Hz and 60Hz are selectable. Choose according to the 
different video standards; normally 50 Hz for PAL standard and 60 Hz for NTSC 
standard. 
10. (Optional) Click Capture Test to test the effects. 
12.3 Configuring Picture 
Purpose: 
The camera supports dual-shutter. One shutter for video image and the other one for 
captured image. You can configure shutter parameters for captured image.   
Steps: 
1.  Go to Configuration > Device Configuration > Image Parameters > Picture.