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Canon printer PIXMA MG5622 User Manual

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    							Adjusting Saturation and Color BalanceYou can brighten colors that have faded with time or due to colorcast by using 
     (Saturation/Color
    Balance) in ScanGear (scanner driver)'s  Advanced Mode tab.
    Note
    •
    Click Defaults  to reset all adjustments in the current window.
    Saturation Adjust the image's saturation (vividness). You can brighten colors that have faded with time, etc.
    Move 
     (Slider) under  Saturation to the left to decrease the saturation (darken the image), and to the
    right to increase the saturation (brighten the image). You can also enter a value (-127 to 127).
    Saturation decreasedOriginal imageSaturation increased
    Note
    •
    The natural color tone of the original image may be lost if you increase saturation too much.
    Color Balance Adjust images that have a colorcast. "Colorcast" is a phenomenon where a specific color affects the entire
    picture due to the weather or ambient strong colors.
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    							Move  (Slider) under Color Balance  to the left or right to emphasize the corresponding color.
    Cyan & Red
    Magenta & Green
    Yellow & Blue
    These are complementary color pairs (each pair produces a shade of gray when mixed). You can reproduce the natural colors of the scene by reducing the cast color and increasing the complementary color.
    It is usually difficult to correct the image completely by adjusting only one color pair. It is recommended
    that you find a portion in the image where it should be white, and adjust all three color pairs so that the
    portion turns white.
    You can also enter a value (-127 to 127). Below is an example of an image in which the "Cyan & Red" pair has been adjusted.Cyan is increasedRed is increased
    622 
    						
    							Adjusting Brightness and ContrastYou can adjust images that are too dark or bright, or too flat due to lack of contrast by using 
    (Brightness/Contrast) in ScanGear (scanner driver)'s  Advanced Mode tab.
    Note
    •
    Click  (Down arrow) to switch to detailed view. Click  (Up arrow) to return to the previous view.
    •
    Click Defaults  to reset all adjustments in the current window.
    Channel Each dot of an image is a mixture of Red, Green, and Blue in various proportions (gradation). These
    colors can be adjusted individually as a "channel."
    Master Adjust the Red, Green, and Blue combined.
    Red Adjust the Red channel.
    Green Adjust the Green channel.
    Blue Adjust the Blue channel.
    Note
    •
    Only  Grayscale  will be displayed in  Channel when Color Mode  is Grayscale .
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    							Brightness
    Adjust the image brightness.
    Move 
     (Slider) under  Brightness to the left to darken and right to brighten the image. You can also
    enter a value (-127 to 127).
    DarkenedOriginal imageBrightened
    Note
    •
    Highlights may be lost if you brighten the image too much, and shadows may be lost if you darken the image too much.
    Contrast "Contrast" is the degree of difference between the brighter and darker parts of an image. Increasing
    contrast will increase the difference, thus sharpening the image. Decreasing contrast will decrease the
    difference, thus softening the image.
    Move 
     (Slider) under  Contrast to the left to decrease and right to increase the contrast of the image.
    You can also enter a value (-127 to 127).
    Decreased contrastOriginal imageIncreased contrast
    Note
    •
    Increasing the contrast is effective in adding a three-dimensional feel to soft images. However, shadows and highlights may be lost if you increase the contrast too much.
    624 
    						
    							Adjusting HistogramYou can adjust the image color tone by using a graph (histogram) showing brightness distribution, via 
    (Histogram) in ScanGear (scanner driver)'s  Advanced Mode tab.
    Note
    •
    Click Defaults  to reset all adjustments in the current window.
    Channel Each dot of an image is a mixture of Red, Green, and Blue in various proportions (gradation). These
    colors can be adjusted individually as a "channel."
    Master Adjust the Red, Green, and Blue combined.
    Red Adjust the Red channel.
    Green Adjust the Green channel.
    Blue Adjust the Blue channel.
    Note
    •
    Only  Grayscale  will be displayed in  Channel when Color Mode  is Grayscale .
    Reading Histograms You can see the histogram of a specified area for each  Channel. The higher the histogram peak, the
    more data is distributed to that level.
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    							(1) Bright area(2) Dark area(3) Whole imageMore data is distributed to thehighlight side.More data is distributed to the shadow side.Data is widely distributed between thehighlight and shadow.
    Adjusting Histograms (Using the Slider)
    Select a  Channel , then move 
     (Black-point Slider) or  (White-point Slider) to specify the level to be
    set as the shadow or highlight.
    •
    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 SlidersMove 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.
    626 
    						
    							Moving the Mid-point SliderMove the Mid-point Slider to specify the level to be set as the middle of the tonal range.
    Images with more data distributed to the highlight side
    Move the Mid-point Slider toward the highlight side.
    Images with more data distributed to the shadow side
    Move the Mid-point Slider toward the shadow side.
    Adjusting Histograms (Using the Droppers)
    When you select a  Channel and click the Black-point, Mid-point, or White-point Dropper, the mouse
    pointer on the preview image changes to a dropper. Click a Dropper displayed below the histogram to
    change the setting.
    •
    The point clicked with  (Black-point Dropper) will be the darkest point. You can also enter a value
    (0 to 245).
    •
    The point clicked with  (Mid-point Dropper) will be the middle of the tonal range. You can also
    enter a value (5 to 250).
    627 
    						
    							•The point clicked with  (White-point Dropper) will be the brightest point. You can also enter a
    value (10 to 255).•
    Click  (Dropper) for  Gray Balance  and click the area you want to adjust the color in the preview
    image.
    The clicked point will be set as the achromatic color reference, and the rest of the image is adjusted
    accordingly. For instance, if snow in a photo appears bluish, click the bluish part to adjust the whole image and reproduce natural colors.
    628 
    						
    							Adjusting Tone CurveYou can adjust the brightness of an image by selecting the type of graph (tone curve) showing the balance
    of tone input and output, via 
     (Tone Curve Settings) in ScanGear (scanner driver)'s  Advanced Mode
    tab.
    Note
    •
    Click  Defaults  to reset all adjustments in the current window.
    Channel Each dot of an image is a mixture of Red, Green, and Blue in various proportions (gradation). These
    colors can be adjusted individually as a "channel."
    Master Adjust the Red, Green, and Blue combined.
    Red Adjust the Red channel.
    Green Adjust the Green channel.
    Blue Adjust the Blue channel.
    Note
    •
    Only  Grayscale  will be displayed in  Channel when Color Mode  is Grayscale .
    Reading Tone Curves With ScanGear, scanning images via a scanner is the input, and displaying to a monitor is the output.
    "Tone Curve" shows the balance of tone input and output for each  Channel.
    629 
    						
    							Adjusting Tone Curve
    In  Select Tone Curve , select a tone curve from  No correction, Overexposure , Underexposure , High
    contrast , Reverse the negative/positive image , and Edit custom curve .
    No correction (No adjustment)
    Overexposure (Convex curve)
    The midtone data of the input side is stretched toward the highlight of the output side, resulting in a bright-
    toned image when viewed on a monitor.
    Underexposure (Concave curve)
    The midtone data of the input side is stretched toward the shadow of the output side, resulting in a dark-
    toned image when viewed on a monitor.
    High contrast (S curve)
    The highlight and shadow of the input side are enhanced, resulting in a high-contrast image.
    Reverse the negative/positive image (Downward-sloping line)
    The input and output sides are reversed, resulting in a negative-positive inverted image.
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