Canon imageCLASS MF5770 imageCLASS MF5700 Series Software Guide - Page 135

■ [Brightness/Contrast] By clicking , you can access the [Brightness/Contrast] dialog box. If the original image is too dark or too bright, or if the image quality is flat due to lack of contrast, adjust the levels of brightness and contrast. The brightness and contrast are active if [Color] or [Grayscale] is selected in [Color Mode]. To adjust the brightness and contrast diagrammatically, press . 3 Scanning [Channel] [Brightness] [Contrast] [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 three colors together when [Color Mode] is set to [Color]. Move the slider to the left to increase the darkness of the image, and to the right to increase the brightness of the image. You can also enter values (-127 to 127). Move the slider to the left to decrease the contrast of the image, and to the right to increase the contrast of the image. You can also enter values (-127 to 127). Resets all the current settings to their default values. Setting Preferences and Scanning with ScanGear MF 3-33