X-Rite 504 SpectroDensitometer Betreibershandbuch Seite 71

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INSTRUMENT FUNCTIONS
5-17
Match Function (528, 530 only)
The Match function is used to quickly find the best color
match to a measured color from a database of references. Up
to 16 matches are displays based on Delta-E difference. The
instrument can store over 1,400 references across a total of 10
groups. When used in conjunction with X-Rite’s ColorMail
Express (CMX), color libraries, such as a PANTONE®
database can easily be downloaded to the instrument and used
for reference matches. Reference databases can also be
uploaded to a computer using CMX (530 instrument only).
You should set the Match Options before taking any
measurements.
MATCH:Group1 Options
Sample
Match
Refere
L* 34.94
a* —1.98
b* —25.65
<Measure Sample>
D50/2
Setting Options
Pressing the Enter key # with the Options menu highlighted
opens the Match Options menu. The color space, tolerancing
method, observer angle, illuminant and active group are
selected under the Options menu item.
Match Options
Color Space : L*a*b*
ΔE method : Lab
Observ Angle: 2
Illuminant : D50
Active Group: Group1
<Edit Options>
Color Space
You can choose from several colorimetric options for viewing
data. Displayed data automatically updates to the chosen color
space after selected. Available color spaces are: XYZ, Yxy,
L*a*b*, L*C*h°, L*u'v', Yu'v', and Reflectance (530 only).
When “Reflectance” is selected on the 530, data appears in
10nm increments from 400nm to 700nm.
Active Group
(10 maximum)
XYZ, Yxy, L*a*b*, L*C*h°,
L*u'v', Yu'v', Reflectance
CMC, Lab, CIE94
2 or 10
A
, C, D50, D55, etc.
Edit Groups (add, delete
and select)
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