Canon imageFORMULA DR-2010M User Manual page 65

NOTE
•
You can select the following modes, according to the type of document you
want to scan. Note that some functions may be restricted, depending on the
mode settings.
Black-and-White
- [Black and White]
Use this mode to scan text and line drawing documents as black-and-white
(binary) images.
- [Error Diffusion]
Use this mode to scan documents containing photos as black-and-white
(binary) images.
- [Advanced Text Enhancement] (only for Windows)
Use this mode to scan documents with a dark or non-uniform (pattern)
background.
If the background is uniform it is removed where it surrounds the text.
If the background is non-uniform, such as a pattern, it is processed to
enhance text readability.
- [Advanced Text Enhancement II]
Use this mode to scan documents with a light uniform background and
low-contrast text.
The background in tight spaces around text may not be removed.
Documents with low-contrast text can be made more readable by
adjusting [Contrast] on the [Brightness] tab.
If the background is non-uniform, such as a pattern, the background
remains visible in the scanned image, and text may be hard to read.
Grayscale
- [256-level Gray]
Scans documents containing photos as grayscale images.
Color
- [24-bit Color]
Scans documents containing color photos as full-color images.
Auto Color Detection
- [Auto Color Detection]
Whether a document is black-and-white or color is detected before the
scanned image is saved.
When [Auto Color Detection] is enabled, the [Setting] button is enabled
for opening the [Auto Color Detection] dialog box, where you can make
settings affecting how color documents are scanned, and select which
scanning mode to use for black-and-white.
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Depending on the application program, operation may become unstable
when [Auto Color Detection] is enabled. In that case, [Auto Color
Detection] should be disabled.
For details, See "Auto Color Detection," on p. 66.
•
Depending on the mode setting, other functions may become unavailable, as
shown below.
Settings Tab
Scanning Mode
Black and White
Error Diffusion
Advanced Text Enhancement
(only for Windows)
Advanced Text Enhancement II
256-level Gray
24-bit Color
Auto Color Detection
: Available for setting
* Only available if scanner driver was called from TWAIN compatible application under Win-
dows, and under Mac OS X
** Only available if scanner driver was called from ISIS compatible application under Windows
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