User manual NIKON SCAN 1.6.3 FOR WINDOWS

[. . . ] Basic Operations 3. 1 Launching and Quitting 3. 2 Main Dialog Box 3. 3 Basic Scanning TWAIN Driver Nikon Scan Windows 4. Scanning Conditions 4. 1 Choosing the Scanner 4. 2 Setting the Gamma Value 4. 3 Positioning Media 4. 4 Ejecting Film (film scanners only) 4. 5 Choosing the Media Type 4. 6 Crop/Preview Area Buttons and Menu 4. 7 Cropping 4. 8 Crop Size Controls 4. 9 Autofocus (film scanners only) 4. 10 Adjust Focus (film scanners only) 4. 11 Autoexposure 5. Image Compensation 5. 1 Brightness / Threshold 5. 2 Contrast 5. 3 Color Balance 5. 4 Level Display User's Manual -1- 6. Gamma Curves 6. 1 Viewing the Gamma Curves 6. 2 Viewing the Histogram 6. 3 Modifying the Gamma Curves 7. [. . . ] The padlock icon to the left of the File Size information item will lock in the file size, permitting the size and resolution to change in proportion to each other without changing the final quantity of scan data--the total number of pixels scanned. Locking file size simultaneously locks the width/height aspect ratio. - 29 - 4. 9 Autofocus (film scanners only) The focus of the image can be adjusted by clicking the Autofocus button shown below (this button is not displayed when an AX-110 or AX-210 flatbed scanner is selected). You can cancel the focus position cursor by clicking the Return to crop button. You can choose a location in the image as the focus position by clicking this button while simultaneously holding down the Ctrl key. If you click the Autofocus button without specifying a focus position, the autofocus position chosen will be either the center of the image, or, if no autofocus position has been specified since the start of the current session, the center of the current crop. Focus position cursor - 30 - 4. 10 Adjust Focus (film scanners only) This function allows you to adjust focus to compensate for warping of the film or for differences in the thickness of slide mounts. from the Special Capabilities submenu (the Special Capabilities submenu is located on the pulldown menu at the top left corner of the Main dialog box). The Special Capabilities menu for the AX-110 and AX-210 does not include the Adjust Focus function. When the Adjust Focus function is chosen from the Special Capabilities submenu, the following dialog box appears. Drag the slider or input the desired value, then click the OK button. Note: The values shown at the ends of the slider bar will vary depending on the autofocus position and the scanner model. The autofocus position always has a value of zero. Note: The menu for the LS-4500AF differs from that shown above. See Appendix B. - 31 - 4. 11 Autoexposure The Autoexposure function can be used to perform a prescan after a preview operation has been completed. If you click the Preview button when the Prescan check box is turned off or while holding down the Ctrl key, the prescan operation will not be carried out. In this case, you can perform a prescan operation after preview by selecting Autoexposure from the Special Capabilities submenu. Note: The pop-up menu shown above is for the LS-1000. The corresponding pop-up menus for the LS-4500AF and for the AX-110 and AX-210 are different. The prescanning operation begins immediately on your selecting the Autoexposure function from the Special Capabilities submenu. - 32 - 5. Image Compensation This chapter explains how to adjust continuous tone brightness, line art threshold, contrast, and color balance. The appearance of the Main dialog box varies with the Media Type, as shown below. 5. 1 Brightness / Threshold This control is used to set the brightness for a Color or Grayscale image, or the threshold value for a B&W Line Art image. When this button is clicked, a slider bar pops up. The value is set by dragging the slider to the left or right while holding down the mouse button. The same result can be achieved by entering a value directly in the box to the right of the button. Color Grayscale B&W Line Art When the slider is dragged in the plus direction, the images will be brighter and the black point will begin to float above maximum black. When dragged in the minus direction, the images will become darker and dimmer. Brightness adjustment range: Threshold adjustment range: -100 to 100 0 to 255 Note: When a monitor with 32K colors or more is used, the R, G, and B buttons are shown in their respective colors. - 33 - 5. 2 Contrast This control is used to set the contrast for Color or Grayscale images. A contrast setting is not used for B&W Line Art images. 5. 3 Color Balance The color balance is adjusted using three controls for Red, Green, and Blue. These three controls only appear when 'Color' has been set for the Media Type. When this button is clicked, a slider bar pops up. The value is set by dragging the slider to the left or right while holding down the mouse button. The same result can be achieved by entering a value directly in the box to the right of the button. When one of these buttons is clicked and held down, a slider bar pops up. [. . . ] Lores: Hires: Uses the low resolution (1000 x 2000 dpi) optical system Uses the high resolution (3000 x 3000 dpi) optical system for 35mm film using a single frame holder 4 x 5 film (low resolution) Film measuring from 6 x 6 to 6 x 9 (low resolution) 6 x 4. 5 film (low resolution) 35mm film (high resolution) B. 1 Film Format The film format to be scanned can be chosen from the Media Type menu. Resolution, maximum scanning area, and prescan area are automatically altered to reflect the format selected. 4"x5": 6x6--9: 6x4. 5: 35mm: - 52 - B. 2 Preview Quality Setting Preview Quality allows you to choose whether preview operations are to be performed in high speed or high quality mode. B. 3 Final Scan Quality Setting Final Scan Quality allows you to choose whether scanning is to be performed in high speed or high quality mode. Select one of the following from the Preview Quality submenu. Highest Speed: Normal: Preview with emphasis on speed Normal preview Select one of the following from the Final Scan Quality submenu. Highest Speed: Normal: Scan with emphasis on speed Normal scan Highest Quality: Preview with emphasis on quality Highest Quality: Scan with emphasis on quality Under normal circumstances the best choice is Highest Quality. - 53 - B. 4 Sharpening It is often necessary to sharpen images prior to reproduction since there are usually losses in definition when going to press. [. . . ]