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___________________________________ Color Management 8-39
Lighten or Darken an Overall Image
If you want to lighten an overall page image, increase the gamma
curve on all four colors by the same value. You can do this using
Photoshop’s Adjust Curves feature to lighten the midtones of these
curves.
Fig. 8.34 Increase the Gamma Curve
If you want to darken the overall page image, decrease all four colors
by the same value. This change has the same effect for both RGB
and CMYK images.
Fig. 8.35 Decrease the Gamma Curve:
Summary of Contents for Accel-a-Graphix CT4
Page 16: ...1 2 Introductionbb ________________________________________ Notes...
Page 26: ...1 12 Introductionbb ________________________________________...
Page 28: ...2 2 Installationbb_________________________________________ Notes...
Page 60: ...3 2 Macintosh Setupbb ____________________________________ Notes...
Page 76: ...3 18 Macintosh Setupbb ____________________________________...
Page 78: ...4 2 PC Setupbb __________________________________________ Notes...
Page 130: ...6 2 Routine Operationsbb __________________________________ Notes...
Page 184: ...7 2 Imaging Basics _______________________________________ Notes...
Page 204: ...8 2 Color Managementbb __________________________________ Notes...
Page 248: ...9 2 Troubleshootingbb_____________________________________ Notes...
Page 260: ...9 14 Troubleshootingbb_____________________________________...
Page 261: ...____________________________________ Application Notes A 1 Appendix A Application Notes...
Page 262: ...A 2 Application Notesbb ___________________________________ Notes...
Page 273: ..._________________________________ Warranty Information B 1 Appendix B Warranty Information...
Page 274: ...B 2 Warranty Infromationbb ________________________________ Notes...
Page 278: ...C 2 ICC Profile and Profile Tool Sources _____________________ Notes...
Page 280: ...C 4 ICC Profile and Profile Tool Sources _____________________...
Page 281: ...___________________________________________ Glossary G 1 Glossary...
Page 282: ...G 2 Glossarybb __________________________________________ Notes...
Page 296: ...G 16 Glossarybb __________________________________________...