25 op er at ion – Sony GDM-C520K User Manual

Page 25

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Expert Mode--Creating a Custom Target Colorspace----cont.

1

Use the dialog boxes labeled “White Chromaticity” to set the x and y values of your new colorspace.

2

To set white luminance values, use the dialog box labeled “White”.

3

Use the dialog box labeled “Absolute Contrast Ratio” to set the ratio of white luminance to black luminance.

4

Set the luminance response curve by entering a value between 1 and 2.6 gamma into the dialog box labeled “Gamma”.

5

Your new colorspace is now complete. To save the new colorspace, enter a name in the dialog box at the top of the
Expert Mode interface, next to “Custom Colorspace Name”; then click “Save”.

Values for x and y must range between .2700 and .3600. If a number outside of this range is inputted, the value will snap
to the lowest or highest possible value.

The white luminance value will be constrained by the x and y values entered for white chromaticity. The range for white
luminance varies between 85 and 110 cd/m

2

.

This will automatically enter the value of black luminance into the dialog box labeled “Black”.

You can store up to 17 separate Custom Target Colorspaces. To delete Custom Target Colorspaces, exit the Artisan™ Color
Reference

Software, click on the Artisan™ Color Reference

folder, and open the folder named “Colorspaces”. Then, delete

any unwanted colorspace files.

An Alternative Method for Creating a Custom Target Colorspace

Instead of entering exact values into the dialog boxes, as described above, you can drag the

in the graphical representation

of the Chromaticity Diagram to specify the values that you want. As you drag the

around the Chromaticity Diagram, the

numbers in the dialog boxes will change to match the location of the

. The

will “snap to” standard colorspaces indicated

on the Chromaticity Diagram by a

. If you would like to create a custom colorspace that is very close to one of the standard

colorspaces indicated on the diagram, use the dialog boxes to precisely indicate the desired x and y values.

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