Network Camera User Manual 
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Note: If BLC mode is set as Custom, you can draw a red rectangle on the live 
view image as the BLC area. 
WDR: Wide Dynamic Range can be used when there is a high contrast of the 
bright area and the dark area of the scene. 
HLC: High Light Compression function can be used when there are strong lights 
in the scene affecting the image quality. 
  White Balance 
White balance is the white rendition function of the camera used to adjust the 
color temperature according to the environment.   
 
Figure 9-4 White Balance 
  Image Enhancement 
Digital  Noise  Reduction:  DNR  reduces  the  noise  in  the  video  stream.  OFF, 
Normal and Expert are selectable. Set the DNR level from 0 to 100 in Normal 
Mode. Set  the DNR  level from  both space  DNR level  [0-100]  and time DNR 
level [0-100] in Expert Mode. 
Defog Mode: You can enable the defog function when the environment is foggy 
and the image is misty. It enhances the subtle details so that the image appears 
clearer. 
EIS  (Electrical  Image  Stabilizer):  EIS  reduces  the  effects  of  vibration  in  a 
video. 
Grey Scale: You can choose the range of the grey scale as [0-255] or [16-235]. 
  Video Adjustment 
Mirror: It mirrors the image so you can see it inversed. Left/Right, Up/Down,