Microtek ArtixScan 4500t Reference Manual page 106

Likewise, you can move a defined lightness range of the From color along the
Lightness bar without moving the "From" slider (fixed "L" value). Press the Shift
key and click inside the lightness range. When the pointer changes to a hollow
cross, drag the lightness range vertically to its new position. Note that the
lightness range cannot go beyond the fixed "From" slider position.
"From" slider
Lightness bar
4. Define your "To" color setting as follows:
a) Enable the To LCH column. This can be done by:
• Clicking on the "To" located on top of LCH edit box.
• Entering directly the LCH To values in the T T T T T o o o o o LCH edit boxes.
Observe the To on top of LCH edit box being underscored ( To).
b) Select a To color with one of the following methods:
• Go to your prescan. With the pointer now a Neutral Eyedropper, pin-
point the To color you wish to turn the specified From color into.
• Click on the color wheel to select the To color. Note that the selected
color spot is highlighted with a Plus (+ + + + + ) sign. Observe color change
result in your "After" thumbnail image or prescan. If not satisfied, try
clicking at other spots of the color wheel.
• Click near the arc of the From color sector to increase hue of the
Plus sign
selected color. Note that the + + + + + position corresponds to the "To" color
chroma and hue values. Hence, C&H values change as you click at
new positions within the color wheel.
• Directly enter the numerical values of the To color into the LCH
T T T T T o edit boxes.
Hollow cross pointer
"To" slider
Reference: The Advanced Image Correction tools
Range within which
the lightness can be
moved without
actually touching the
"From slider. You can
move the green bar
down or the yellow
bar up.
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