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Anleitung Canon, modell CanoScan D646U

Hersteller: Canon
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Anleitung Zusammenfassung


To restore the threshold setting to its default value, click this button. Click the [OK] button. The preview image will change to reflect the new settings. 48 S T E P 3 Auto Tone Correction When the selected scan mode is Color, you have three options for adjusting the color: Recommended, ColorSync or None. The default setting is [Recommended]. Recommended Use this option if scanned images are to be viewed primarily on the computer display with photo album software. This method adjusts the computer display to reproduce the color balance of the original as closely as possible. ColorSync Use this option if the scanned images are to be output to a printer. This method automatically harmonizes the color adjustment functions of scanners, displays and printers for consistent color matching. The printer must also have its ColorSync setting set to On. Caution • This function is available only when the scan mode is set to one of the color modes; not to the grayscale or black and white modes. • The Tone Adjustment menu item, Tone Adjustment button and Auto Tone Adjustment button are disabled when the ColorSync option is selected. • The previous settings are in effect when Plug-in Module CS-U is started from an application program that does not display the Plug-in Module CS-U control panel. Hint • ColorSync™ responds differently to each computer according to the unique conditions affecting it (type of display used, etc.), which may cause differences even between computers of the same make and system version. The tone characteristics of an image scanned with ColorSync™ on one computer, therefore, may change when processed on another computer. To Set the Auto Tone Correction Open the [Image] menu and select [Recommended], [ColorSync] or [None]. A check mark will appear beside the selected option, which will take effect. 49 S T E P 3 Unsharp Mask The Unsharp Mask function enhances the outlines of an image. When set to On, this function makes the image outlines appear sharper without changing the brightness, contrast or color balance, giving it a natural look. It is particularly useful for scanning images that are slightly out of focus. The function is on when a check mark appears beside it and off when there is none. The default value is Off. Caution • This setting is not available for the black and white scanning mode. • If Plug-in Module CS-U is started within an application that hides the Plug-in Module CS-U control panel, the previous setting will be maintained. Operating Procedures Open the [Image] menu and select [Unsharp Mask]. A check mark will appear beside the Unsharp Mask option in the menu when this function is set to On. To set it to Off, reselect it. The check mark will disappear. Hint • Disable the Unsharp Mask function if the moire effect is still too strong even when the Descreen option is on. 50 S T E P 3 Descreen Moire patterns occasionally appear when items printed at high resolutions are scanned. To reduce this phenomenon, scan photographs and other high-resolution prints with the Descreen function enabled. Shut it off to scan lower resolution items, such as newspapers, books and magazine text. The default setting is “off.” Caution • The Descreen function cannot be switched on for scanning resolutions higher than 601 dpi. • The previous setting is enabled for the Descreen function when Plug-in Module CS-U is opened by a software application operating in the windowless mode. Operating Procedures Open the [Image] menu and select [Descreen]. A check mark will appear beside the Descreen option in the menu when this function is set to On. To set it to Off, reselect it. The check mark will disappear. 51 S T E P 3 Saving/Recalling Settings The scan mode, resolution and preference settings can be saved with a preview image to a settings file and recalled for future processing. The user may freely assign a name to the settings file. It is convenient to save frequently used settings in a file. Hint • In addition to settings, the settings file may also be used to store preview images. It is useful to save the preview image with the settings to quickly grasp to which image the settings apply. To Save Settings in a Settings File Open the [Setting File] menu and select [Save]. Specify the folder where you want to store the file and enter a name for it. Insert a check mark by clicking this box to have a copy of the preview image saved with the settings file. Click the [Save] button. 52 S T E P To Recall a Settings File Open the [Setting File] menu and select [Load]. Select the folder where the file is stored and click the name of the file you want to load. Click the [Open] button. The file you selected opens and the settings stored in the file are enabled for the Tone Adjustment settings. 53 S T E P 3 Scanning Techniques Matching Scan Resolution to Purpose Plug-in Module CS-U provides many choices of resolution. The resolution you choose should depend upon your output device, the intended purpose of the image, the t...


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