ZKTeco PS-55B Series, User Manual

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2 Installation 31
Effect Setting:
setting of image sharpness, brightness, contrast, saturation.
Fig 2.40
Brightness:
unit projected area of brightness intensity would bring the overall brightness of the image.
Over higher brightness would cause the insufficient permeability.
Sharpness:
also called “resolution”, which reflects the image plane clarity and edge sharpness. Adjust the
sharpness higher, the contrast details on the plane image become higher and then the image looks
much clear. If the sharpness is set too high, white trim lines would appear next to both black lines and
you will get distorted glare image.
Hue: adjust the color
Contrast: It is critical to the image effect. Generally, the higher the contrast is, the more clear vivid the
image becomes; small contrast brings grey screen quality.
Saturation:
refers to the vividness of the color, also known as the purity of the color. The higher the color
content is, while the larger the saturation is; the higher the achromatic color is, while the smaller the