Canon imageCLASS MF5770 imageCLASS MF5700 Series Software Guide - Page 137

[Gamma] [Reset] Move the slider to the left to decrease or the right to increase the contrast displayed in the middle of the tonal range (midtones) of the image. You can also enter values (0.10 to 10.00). Resets all the current settings to their default values. ■ [Histogram] By clicking , you can access the [Histogram] dialog box. A histogram allows you to see the data concentration at each brightness level in an image. You can specify the darkest and brightest levels within an image, cut the levels and expand the middle of the tonal range of the image. The histogram is active if [Color] or [Grayscale] is selected in [Color Mode]. 3 Scanning [Channel] [Reset] Adjust the elements of grayscale when [Color Mode] is set to [Grayscale]. Selects a color to adjust either [Red], [Green], or [Blue], or select [Master] to adjust the three colors at once when [Color Mode] is set to [Color]. Resets all the current settings to their default values. 1 To change the black-point (shadow-level), mid-point (midtone-level), or white-point (highlight-level), do one of the following. ❑ Click (Black-point eyedropper tool) then click a point in the preview image to specify the darkest point. You can also enter a value (0 to 245). Setting Preferences and Scanning with ScanGear MF 3-35