User's Manual

3.5.2 Taking A Difference Measurement
> If the ∆ is not displayed, press [DIF] to activate difference mode.
> The reference color must first be entered into memory, refer to Section 3.5.1.
> If reference selection is not set to auto, select the correct reference location before
following the procedure below (refer to Section 3.5.1).
> If the desired illuminant/observer is not displayed, refer to Sec. 3.3.
1) Press
[FUNCTION]
to select desired
measurement space.
2) Center target window over area to
be compared.
3) Lower unit to target window and
hold compressed. "READING XYZ
C
2
" (i.e., the selected function and
illum/obs) will momentarily be
displayed, and then the reference
location and data.
Release unit after data is
displayed.
4) The display will show the
difference between the reference
color and the area measured.
> If L*a*b*, L*u*v*, or L*C*H* are
selected, ∆E value will be
displayed in place of the
Function & Illuminant.
> If you want to display the
selected reference location,
press [ILLUM].
FUNCTION ILLUM
DIF
CAL
X + 4 . 1 2
Y 2 . 8 7
Z + 2 . 4 1
C
2
X Y Z
+
PRESS
Z . 4 8
+
+
X 2 . 8 2
Y + . 8 8
X Y Z
C
2
a . 4 8
+
+
L 2 . 8 2
a + . 8 8
E 2 . 9 9
FUNCTION ILLUMINANT X VALUE
Y VALUE Z VALUE
DELTA E VALUE
OR
READING XYZ
X + 2 . 8 2
Y . 8 8 Z + . 4 8
+
2
C
REF 03
SAMPLE AREA
TO BE
COMPARED
18