Nikon LS-3500, Software Reference Manual

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8-12 Glossary
Software Reference for Scanners
bleached away, leaving a positive silver layer for
black and white, or three silver layers with color
couplers for a color image. For color, the silver is
bleached away, leaving the color couplers which are
then developed out to become color dyes.
RGB gain the Red, Green and Blue exposure settings on a
Nikon scanner.
RGB sequential separation the process of separating the red, green and blue
layers into three fields.
RS-232C a serial interface used on most computers.
screen a lattice of lines used to create mechanical halftones
in the photographic process. These halftones are
mostly generated digitally these days.
serial interface an interface where bits are transmitted one after the
other. Serial interfaces require only two conductors
and can have very long transmission line lengths.
Compare to parallel interface.
shading compensation the CCD element normalization process in a Nikon
scanner which compensates for different CCD
element sensitivities to light in a linear array.
slice level the threshold which is used to set a pixel either white
or black, when converting from continuous tone or
grayscale shaded originals.
slide mount a paper or plastic frame used to hold film for
projection or viewing purposes.