User manual
  BLC Off  BLC On 
  OFF/ON: Choose to enable or disable the BLC function. 
  BLC area setting: BLC area refers to the dark area where more details are expected. Define 
your BLC area by clicking squares displayed on the screen and then press Save BLC Window 
to save the setting. 
Digital Wide Dynamic Range 
When there are both very bright and very dark areas simultaneously in the field of view, you can enable 
Digital Wide Dynamic Range (WDR) function. It optimizes an image to ensure that dark areas are more 
visible while retaining details in bright areas. 
  Level: Depending on the contrast/dynamic range of a scene, you can select different level of 
WDR. Higher level of WDR suits for higher contrast/dynamic scene. If you select Auto mode, the 
camera will automatically adjust the WDR level by itself depending on the scene. 
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