Avision FB6000 - Manual (Page 23)

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4.1.4 ADJUSTING THE BRIGHTNESS AND CONTRAST
1. Brightness
Adjusts the lightness or
darkness of an image.
The higher the value, the
brighter the image.
2. Contrast
Adjusts the range
between the darkest and
the lightest shades in the
image. The higher the
contrast, the bigger the
different grayscale.
Decrease Brightness Normal Increase Brightness
Decrease Contrast Normal Increase Contrast
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