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Threshold | |
The threshold defines whether a point is scanned as white or black. This option is only enabled in connection with the Line Art mode. | |
Brightness | |
Brightness indeed acts like a brightness adjustment. This option is only disabled in connection with the Line Art mode. | |
Contrast | |
Adjusts the contrast of scanned grayscale images. This option is only disabled in connection with the Line Art mode. | |
High Light & Shadow | |
Act together like a brightness Filter. This options are only enabled in connection with the Grayscale and Color mode. | |
Invert | |
Inverts the color channel (even in gray or bw). The result is a negative image. | |
Auto Exposure | |
Enables the Auto Exposure mode of the scanner. | |
Halftone | |
Simulates shades of gray by using certain patterns. May be used when the image should be printed on 1 bit devices (e.g. laser printers). This option is only enabled in connection with the Halftone mode. | |
Transparency Adapter | |
This option is only available, when a supported transparency adapter was found. Switching between those modes resets the selection rectangle. Be aware that also the rulers and object positions may change. |
Normal Transparency Film Type |
Turns backlight off. Turns backlight on. Sets the film type. |
Note: These features enhance or manipulate image data before they are transferred into the computer system. Therefore there is no way to revert this conversions, than to repeat the scan with different values. This may be faster than a software operation on images.