Canon PIXMA MP280 On-Screen Manual - Page 518

Adjusting Histogram Page 518 of 707 pages (1) Bright area (2) Dark area (3) Whole image More data is distributed to the More data is distributed to the Data is widely distributed between the highlight side. shadow side. highlight and shadow. Adjusting Histograms (Using the Slider) Select a Channel, then move (Black-point Slider) or set as the shadow or highlight. (White-point Slider) to specify the level to be - All parts to the left of (Black-point Slider) will be black (level 0). - The parts at (Mid-point Slider) will turn to the color exactly between the black-point and white-point. - All parts to the right of (White-point Slider) will turn white (level 255). When Image Adjustment is set to anything but None, the adjustments shown below are performed automatically. Moving the Black-point and White-point Sliders Move the Black-point Slider or White-point Slider to adjust brightness. Images with more data distributed to the highlight side Move the Black-point Slider toward the highlight side. Images with more data distributed to the shadow side Move the White-point Slider toward the shadow side. Images with widely distributed data Move the Black-point Slider toward the highlight side, and White-point Slider toward the shadow side.