Microtek ArtixScan 4500t Reference Manual page 107

5. Adjust the tonal range (To "L" value) of the resulting color with either of
100 Microtek ScanWizard Pro for Macintosh
the following methods:
• Drag the "To" slider (black arrowhead with "plus" sign) of the Lightness
bar to the desired tone.
• Enter the "L" numerical value directly into the "L" edit box under the
To
Lightness value here reflects
the position of the "To" slider in
the Lightness bar
If you are not satisfied with the resulting preview image, you can always go
back to redefine your From color settings. To go back temporarily to the
From color setting environment, press the Option key (watch the From
color setting being underscored) and perform the From color adjustment.
Release the Option key and the To color setting is again enabled.
column.