SpectroEye™ 67
2
- Metamerism
By determining the metamerism index you define
the mutual color modification of two colors when
the illuminant changes. The first illuminant used is
that defined within the
Settings > User defined > Measurement set-up >
Measurement conditions > Illuminant
menu.
Enter the test illuminants for which the color changes
of the first illuminant must be determined.
You may define a maximum of three test illuminants.
- E CMC
In order to calculate the color difference using
CMC, you must enter the correction factors for
brightness (i) and chroma (c).
- E*94
To calculate the color difference using to E*94
you must enter the correction factors for brightness
(kL), chroma (kC) and hue (kH).
- Dye strength
To determine the dye strength you must first choose
one of the available calculation methods:
at max K/S, xyz weight KS and Best Match E .
Next, access the Colorant menu item, enter the type
of ink for which you wish to determine the dye
strength. You may choose Transparent ink,
Opaque ink and Textile dye.
During the measurement, the symbol bar of the measurement
window shows the function parameter icon. After having selected
the corresponding measurement functions you can always change
all settings performed.
2 • Use
The recommended settings for the
printing industry are: l=2 and c=1.
The recommended settings for the
printing industry are: kL=1, kC=1
and kH=1.
In general, any function is neither
cancelled nor inserted here, but rather
made available in the user area.
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