Xerox 490cx 用户指南
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SCANNER CONTROL TABS
The Image Quality Tab
The features of the Image Quality tab are described below. All of the
features of this tab are available when the True Color RGB, 256 Colors, and
Gray 256 Scales selections are made for Image Type. Refer to the table
below which indicates the tab features that are available for the Lineart B/W
and Halftone B/W Image Type selections.
features of this tab are available when the True Color RGB, 256 Colors, and
Gray 256 Scales selections are made for Image Type. Refer to the table
below which indicates the tab features that are available for the Lineart B/W
and Halftone B/W Image Type selections.
True Color
RGB and 256
Colors
RGB and 256
Colors
Gray 256
Scales
Scales
Lineart
B/W
B/W
Halftone B/W
Color
Channel
Selection
Channel
Selection
All channels
Available
Available
Gray Channel
Only
Only
Gray Channel
Only
Only
Gray Channel Only
Highlight
Control
Control
Available
Available
Available
Available
Shadow
Control
Control
Available
Available
Not Available
Not Available
Midtone
Control
Control
Available
Available
Not Available
Not Available
Advanced
Features
Features
Available
Available
Not Available
Not Available