avertX HD438 User Manual page 41

Night vision hd indoor/outdoor ip mini bullet camera
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Backlight Settings
BLC Area: An object against strong backlight will be too dark to be seen clearly. BLC adjusts light around
the object to improve visibility. OFF, Up, Down, Left, Right, Center, Auto, and Custom are available
options.
Note:
BLC Custom mode allows the user to draw a BLC area of interest.
WDR: Wide Dynamic Range should be used when the scene contains a mix of bright and dark areas.
HLC: High Light Compression should be used when the scene contains bright lights affecting the image
quality.
White Balance
White balance is the process of offsetting unnatural color cast in images under different color
temperatures so as to output images that best suit human eyes.
Image Enhancement
Digital Noise Reduction: DNR reduces the noise in the video stream. OFF, Normal and Expert are the
available options.
Normal Mode: 0 to 100
Expert Mode:
o
Space DNR level: 0 – 100
o
Time DNR level: 0 – 100
Defog Mode: Enable the defog function when the environment is foggy and the image is misty. The
camera will enhance subtle details to improve overall image quality.
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