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Nikon Scan 4 User Manual page 4

Color management

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Scanning with Nikon CMS Off
If Use Nikon Color Management System is not selected in
the "Color Management" category, profi les can not be used
to ensure that the data from the scanner are reproduced ac-
cu rate ly when passed to another application or displayed in
the mon i tor. Be cause the color profi les required for a cal i -
brat ed RGB color space are not available when Nikon CMS is
off, images can only be scanned as uncalibrated RGB or gray-
scale. Similarly, the absence of a monitor profi le means that
gamma adjustment must be used to correct the image for
dis play on the monitor or for editing in another application.
These ad just ments to gamma are made in the "Gamma"
category of the "Pref er enc es" dialog.
Before preview
Scanner Extras
4
Digital ICE
Advanced
Scan Image Enhancer
Analog Gain
Gamma adjustment
Preferences— Nikon Color Management
Preview
Preview
The illustration below shows how scanning proceeds when
Nikon CMS is off. The image shown in the preview window
is ad just ed for display in the monitor ac cord ing to the value
cho sen for preview gamma in the "Gam ma" category. When
the Scan but ton is clicked, the main scan gamma and any
changes to curves and color balance are passed to the scan-
ner, where they are ap plied to scan data be fore the image is
trans ferred to the host ap pli ca tion (if Nikon Scan is used as
a "stand-alone" ap pli ca tion, the value for preview gam ma
is passed to the scan ner instead of main scan gamma). The
LCH Editor and Unsharp Mask tools can not be used when
Nikon CMS is off.
Image processing
Preview
Curves
gamma
Color Balance
Preview
gamma
Scan
Host application
Scan
Processed tab
Main
scan
gamma
Natural tab
TOP
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