Canon CanoScan N670U CanoScan N670U/N676U/N1240U ScanGear CS-U 6.2 for Win/Mac - Page 99

Preview image cache, Proportion, Remove Dust and Scratches, Resolution, Rotate Left, Rotate Right

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Glossary Contents Troubleshooting Glossary Index Preview image cache When the preview image cache feature is switched on, the image in the Preview Area from the previous session with ScanGear CS-U is saved and displayed the next time ScanGear CS-U is launched from the parent software application. To switch this feature on and off, open the Preferences sheet for your scanner and click the button for "Display saved preview image". Proportion The ratio of width to height. When you click the Keep Proportions button, the image size is maintained in the same proportion whenever you change either the width or the height. Remove Dust and Scratches This function automatically detect and remove small flecks of dirt or scratches on photos. Resolution The degree of detail, translated into the number of pixels or dpi, which a device such as a scanner, video monitor, printer, or other image-displaying device, can display or reproduce. See also dpi, Pixel, Scan Resolution. Rotate Left The Rotate Left tool rotates the preview display 90 degrees counterclockwise. If the Preview Area is in portrait orientation, it becomes landscape and vice versa. Rotate Right The Rotate Right tool rotates the preview display 90 degrees clockwise. If the Preview Area is in portrait orientation, it becomes landscape and vice versa. Sampling In scanning, sampling is the process of measuring and recording the tonal or color value in an image and converting it to digital information. 99

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Glossary
Troubleshooting
Glossary
Contents
Index
Preview image cache
When the preview image cache feature is switched on, the image in the
Preview Area from the previous session with ScanGear CS-U is saved and
displayed the next time ScanGear CS-U is launched from the parent
software application.
To switch this feature on and off, open the
Preferences sheet for your scanner and click the button for “Display saved
preview image”.
Proportion
The ratio of width to height. When you click the Keep Proportions button,
the image size is maintained in the same proportion whenever you change
either the width or the height.
Remove Dust and Scratches
This function automatically detect and remove small flecks of dirt or
scratches on photos.
Resolution
The degree of detail, translated into the number of pixels or dpi, which a
device such as a scanner, video monitor, printer, or other image-displaying
device, can display or reproduce. See also dpi, Pixel, Scan Resolution.
Rotate Left
The Rotate Left tool rotates the preview display 90 degrees
counterclockwise. If the Preview Area is in portrait orientation, it becomes
landscape and vice versa.
Rotate Right
The Rotate Right tool rotates the preview display 90 degrees clockwise. If the
Preview Area is in portrait orientation, it becomes landscape and vice versa.
Sampling
In scanning, sampling is the process of measuring and recording the tonal
or color value in an image and converting it to digital information.