User manual MINOLTA REGIUS 190 BROCHURE

[. . . ] To realize all the benefits of your scanner, please read this manual and the accompanying hardware manual thoroughly. The instructions in this manual assume you have a working knowledge of the operating system for your computer (Mac OS, Windows 95, or Windows NT) and its conventions. Familiarity with the mouse and standard operating system menus and commands is necessary before operating the Dimâge Scan Multi software. This manual does not instruct in the: · basic use of personal computers. [. . . ] A control and preview image appear in the Histogram dialog box for comparison. Tone Curves · The Tone Curves dialog box displays correction curves for the red, green, and blue channels of the prescanned image. By adjusting these curves, the brightness, contrast, gamma, and color of the output image can be changed. · Making brightness changes first may eliminate the need for color corrections. Reset All ­ Prescan Window · The Reset All button, located in the Prescan window, will reset all the brightness, contrast, and color balance changes made in all three of these modes. 30 VARIATIONS OPENING THE VARIATIONS DIALOG BOX Open the Variations dialog box by clicking on in the Prescan window. · The Variations dialog box will appear. VARIATIONS DIALOG BOX ­ NAMES OF PARTS Grayscale Represents changes in brightness, contrast, and color. R, G, and B sliders Use to make color changes. Control image Shows the unchanged prescan. Full Screen Display button Displays the Control and Preview images so they fill the monitor screen. The Control will be at the top or the left, while the Preview will be at the bottom or right. Contrast slider Brightness slider Preview image Shows the prescan with the changes. Reset button Cancels the changes without closing the Variations dialog box. Cancel button Closes the Variations dialog box without making changes. OK button Applies the changes and closes the Variations dialog box. Help button Click on the help button to launch the help file. · Only the area inside the cropping frame appears in the variations dialog box. The adjustment will be reflected in the Preview image. 35 HISTOGRAM BRIGHTNESS AND CONTRAST CHANGES ­ RGB SYNCHRO Under each histogram are two slider bars. The upper bar has three sliders that allow you to change the input values for the highlights, shadows, and midtones; the lower bar has two sliders that allow you to change the output values for the highlights and shadows. By using RGB Synchro, the sliders for the highlights, midtones, or shadows for each of the channels move in unison. This means you can make overall brightness and contrast changes without changing the color. If the histogram contains large flat line areas. . . Click on the RGB Synchro button . INPUT SLIDERS 2. Click on and move the input level highlight and shadow sliders to the edges of the flat line area. · Changes are automatically applied to the Preview image. · Values to the right of the highlight slider will be scanned as pure white (level 255). Values to the left of the shadow slider will be scanned as pure black (level 0). 3. Adjust the midtone contrast by moving the midtone slider. Contrast can be decreased by using the output level sliders. · Click on to view the control and preview images full screen. The control image will be to the left or on top. [. . . ] HISTOGRAM A graph showing the amount of each level of the 256 brightness levels. INTERPOLATION A form of adding new pixels in an image when resampling up. MIDTONE The middle shades of an image, in between light and dark. NEUTRAL Having no colour cast, such as black, white, or gray. [. . . ]