User manual

11 • Modifying an image
ColorQuartet 5.0 Pro
111
Creating a Correction Profile for global use
If you want to create and save a Correction Profile for repeated use, use the following procedure.
1 • Choose an appropriate reference image.
2 • Scan the reference image without making any changes except automatic highlight adjust-
ment.
3 • Output the image on the imagesetter, proofer, film recorder or other device to which you
want to calibrate.
4 • Under controlled lighting conditions (standard 5000 Kelvin prepress lighting), compare the
output and the original image.
5 • Preview the image again and make the desired corrections.
6 • In the
Correction History window, click on the item(s) you want to save. Normally, this will
be all the parameters except Highlight/Shadow, since highlight setting should be based on
the image content of each original.
7 • Choose Save Corrections as Profile... from the Color menu. Give the file a name and make
sure to store it in the Settings folder (Macintosh) or Resource folder (PC) in the ColorQuar-
tet.XX folder. It will now be accessible from the Correction Profile menu in the Scan Setup
window. (If you store the file anywhere else, it will be accessible as long as ColorQuartet is
running, but will automatically be deleted when you shut the program down.)
8 • Using the Correction Profile you just created, scan the image and output it.
9 • If necessary, repeat steps 4-8 until the output is the way you want it.
The image should contain a large range of colors, including any that you
are particularly interested in adjusting.
• If the two differ greatly, you probably should be using a different
RGB out-
put profile or CMYK output profile.
• If the differences are small, a Correction Profile may be appropriate.
• To change the Correction Profile, open it by choosing Load Correction Pro-
file... from the Color menu. You can then click on the desired item(s) to
open, check and, if necessary, change them.
• BE CAREFUL! If you open a color tool to check a setting that is part of the Cor-
rection Profile, clicking on Cancel will delete the entry from the profile. To
close the window without deleting the change, click on Close.