X-Rite 939, Operator'S Manual

Page: 78 / 108

I N S T R U M E N T O P E R A T I O N
5-21
Viewing the Reflectance Graph
The instrument is capable of displaying a reflectance graph for
measured data. Reflectance data is displayed in 10nm
increments, from 400 to 700 nanometers.
Measurements can be taken with the reflectance graph
displayed in Analyze and Compare mode.
To view a reflectance graph:
1.
Use the Tab keys
$@
to highlight the reflectance curve.
P r o j 1 : P R O J E C T A
S t d 1 : S T A N D A R D A
S a m p l e : # 9 9 : 5 1
L*a*b*
D65/10
......
....
∆
L* +0.05
L* 88.25
∆
a* —0.03
a* —4.71
∆
b* —0.14
b*+36.64
∆
E* 0.16
2.
Press the Enter key
#
to display the reflectance graph.
NOTE: When averaging is used, all measurements must be completed
before the graph screen can be entered.
3.
Repeatedly press the Tab Up key
$
or Tab Down key
@
to
view the data in 10nm increments, along the reflectance
curve.
4.
Press the Escape key
!
to return the display to the main
data screen.
Reflectance
curve
Current point
highlighted
Reflectance Graph
100
50
0
400 700 500 600
26.5 440