Color Difference Measurement; Setting The Color Difference Target Color - Minolta CR-400 Instruction Manual

Color Difference Measurement

This instrument can measure the color difference between the color difference target color and a speci-
men using color spaces, ∆ (XYZ), ∆ (Yxy), ∆ (L*a*b), ∆ (Hunter Lab), and ∆ (L*C*H*) as the de-
fault.
<Setting the Color Difference Target Color>
Before measuring color difference, you must set the color difference target color in the instrument.
100 color difference target colors can be set to nos. T00 to 99.
Setting color difference target colors should be done under the same temperature conditions
as calibration and measurement.
The measuring head sets measurement data as the color difference target color.
When using the data processor DP-400, the color difference target color can also be set by key input.
Ready lamp
Bofore Mesurement
• Select the color space for your use.
See P.31 "Selecting of Color Space" for details.
[Operating Procedure]
1
Press the Target Color key
ment screen.
• The color difference target color setting
screen appears.
• The first color difference target color is set to T00.
• To set the color difference target color to the currently selected color difference target color
40
number, go to step 3.
POWER
4
1, 2
while in the measure-
Color difference
target color no.
3
Specimen
［ＴＡＲＧＥＴ］
Ｔ００
Ｌ＊＝ ７４．７２
ａ＊＝ １５．３２
ｂ＊＝ １０．２１
ＮＥＷ：［Ｔ］
Ｃ １
Color difference target
color is set to T00.