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DocuMate
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4700
User’s Guide
55
• Gamma—is the tone curve and the starting point for image enhancement. As you raise or lower the Gamma
value, the values at which saturation, hue, brightness and contrast affect the image are changed. It is
recommended that you keep the default Gamma value or adjust this setting before adjusting the other
options. This option is available for both Color and Grayscale scanning.
Redaction Settings Tab
Use the options on the Redaction Settings tab to remove a specified area in the scanned image.
Please refer to the technical note, at the end of this section, for information about how this setting works with other
options in the One Touch Scan Configuration you are modifying.
Enable redaction—select this option to enable redaction when scanning. You might use this option if you want to
remove a logo or image that appears on each page that you are scanning. You can choose what color to fill in the
redacted area in the scanned image, and set multiple areas. If you are scanning in Duplex mode, you can specify
the area separately for the front and back side of the pages.
Click Add to add a line item to the area list in this window. You can redact multiple areas from the scanned image,
click the Add button again to continue adding line items to the list. Select an item in the list then click the Remove
button to remove the specified redaction area from the list.
Click one time on the default value, 0.00 in each field, to enable the control box for you to input the start position
and redaction area size. The units of measurement is displayed on the lower-right corner next to the Paper size field.