User manual MINOLTA Q-SCAN

[. . . ] The instructions in this manual assume you have a working knowledge of the operating system for your computer (Macintosh OS, Windows 95, Windows 98, or Windows NT) and its conventions. Familiarity with the mouse and standard operating system menus and commands is necessary before operating the driver software for the Dimâge Scan Speed. This manual does not instruct in the: · basic use of personal computers. · use of Windows 95, Windows 98, Windows NT, or Macintosh OS. [. . . ] The windows display a one step change in the brightness and contrast, but up to 10 steps (+/-) can be applied. The selected colour, brightness, and contrast changes are automatically applied to the preview image 2. Click on the appropriate window or move the sliders to increase or decrease the contrast and/or brightness. · The changes are automatically applied to the preview image. · Additional contrast and brightness simulations will be mapped around the center image. Correcting th e brightness and contrast may eliminate the need for colour correct ions. Adjusting the Colour 3. Adjust the colour balance as necessary by clicking on the R, G, and B sliders. · R can subtract red (left arrow) or subtract cyan (right arrow). · G can subtract green (left arrow) or subtract magenta (right arrow). · B can subtract blue (left arrow) or subtract yellow (right arrow). Applying the Corrections 4. Click on scan. · Click on · Click on corrections. to apply the changes to your to cancel all corrections and start over. to close the variations window without applying any 34 IMAGE CORRECTION ­ HISTOGRAM The histogram dialog box displays the frequency of occurrence of the 256 levels of brightness (0-255) for each of the colour channels that make up the image area inside the cropping frame. Level 255 is maximum brightness (white). The midtones fall in-between. · The histograms represent the red, green, and blue brightness levels for the control image. Remapping the values of a single colour channel usually affects the colour balance. Applying or Cancelling Corrections Click on to apply or to cancel the corrections to the image being scanned. 38 IMAGE CORRECTION ­ HISTOGRAM Saving and Loading Histogram Settings Histogram settings can be saved as a data file that can be loaded and applied to other images. Save Settings 1. Click on . · The histogram settings are saved to a data (dat) file. The save file dialog box will appear. Enter a file name and the location to save the file, then click on . Load Settings 1. Select the settings file you want to use, then click on . · The settings in the selected file are applied to the current image. The histogram settings files for colour and bl ack and white film are not interchangea ble. Dimâge Scan Speed 39 IMAGE CORRECTION ­ TONE CURVES The Tone Curves dialog box displays curves for the prescanned image inside the cropping frame. The curve represents the input brightness values (x-axis) in relation to the output values (y-axis). This dialog box allows you to make changes to the tone curves. It is possible to make changes to the individual curves for each channel; red (R), green (G), and blue (B), or to make changes to the overall curve (RGB curve). · The right side of the curve affects highlights, the left side of the curve affects shadows, and the midtones fall in between. Brightness values are 0 (black) at the bottom of the grid, 255 (white) at the top of the grid, and the middle values fall in between. Click on in the prescan window. Tone Curves Dialog Box -- Names of Parts The curves dialog box will appear. Control image Colour channel list box White point button Black point button Free curve button Calculate button Output brightness value Input brightness value Preview image 40 IMAGE CORRECTION ­ TONE CURVES Setting the White and Black Points Properly setting an images white and black points will usually correct the colour cast and midtone distribution. · Changes are automatically applied to the preview image. 1. Click on , then click on the tone in the control image that should be scanned as the brightest neutral white in your image. · The pointer changes to . · The RGB brightness values of the selected tone will be changed to 255. 2. Click on , then click on the tone in the control image that should be scanned as the darkest neutral black in your image. · The pointer changes to . [. . . ] Insert the Dimâge Scan Speed CD-ROM into the CD-ROM drive, then click on . Double click on the English folder, then double click on the ColorSyncTM folder. If you just removed ColorSyncTM ver 1. 0. . . Drag Drag (ColorSyncTM System Extension) to the Extensions folder. (ColorSyncTM System Profile) to the Control Panels folder. Drag the ColorSyncTM Profiles folder to the Preferences folder. 3. [. . . ]