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114
Description
Error
No.
Symptom Item to Check Corrective Action
Page to
Refer
6
Measure-
ment value
appears as
“------“.
Does data exist? This appears when there is no data
in measurement value, stored data,
calibration value and target color.
-
Doesn’t color space
become color tempera-
ture?
This appears when color tempera
-
ture cannot be converted for display.
Available display range is as follows:
2300 T 20000(K) |∆uv|＜0.1
34
Doesn’t measurement
value become larger by
user calibration?
This appears when luminance value
exceeds the available display area in
this instrument.
-
Do you set target color
for color difference
measurement?
This appears in color difference dis
-
play when target color is not set.
78
7
Measurement
values vary.
Is object to measure
stable?
Keep object to measure stable.
-
Isn't object to measure
of low luminance?
Repeatability of x, y worsens if ob-
ject of low luminance is measured.
It becomes worse especially when
measurement angle is 0.2˚ or 0.1˚.
Also it becomes worse especially
when measurement time is FAST
or Super-FAST. Measure in slower
measurement time.
4
28
Is measurement sync
frequency appropriate
when measuring dis-
play?
Set appropriate measurement sync
frequency for proper measurement.
30
Haven't ambient tem-
perature and humidity
rapidly changed?
Conduct measurement under envi
-
ronment free from such fluctuation.
3
8
Strange
measurement
value ap
-
pears.
Is objective lens clean? Wipe off with dry and soft cloth or lens
cleaning paper.
106
Has user calibration
been performed cor
-
rectly?
Redo user calibration.
64
Haven't you put close-
up lens on?
Select lens type setting correspond-
ing to applied close-up lens.
62
Haven't you put ND
filter on?
Select lens type setting correspond-
ing to applied ND filter.
40