White Calibration - Minolta CR-400 Instruction Manual

White Calibration

When using the instrument for long periods of time, the displayed value may change depending on
changes in the environment. Therefore, in order to achieve accurate measurements, we recommend
that white calibration is done regularly using the white calibration plate. White calibration should also
be done before measuring after a long time has passed since the instrument was last used.
White calibration should be done under the same temperature conditions as measurement.
Ready lamp
[Operating Procedure]
1 Press the Calibration key
• The white calibration screen appears.
［ＷＨＩＴＥ ＣＡＬＩＢ．］
Ｙ＝ ０．００
Ｃ １
No white calibration
data has been set.
• Go to step 3 if white calibration data has been set.
2 Set the data listed on the back of the white calibration plate cover using the
key and the Enter key
• The numbers changes 0 → 9 → 0 .... (larger) every time the
• Move the cursor using the Enter key
36
1
2
Color Space key
while in the measurement screen.
CAL
ｘ＝０．００００
ｙ＝０．００００
.
ENTER
POWER
4
White calibration plate
［ＷＨＩＴＥ ＣＡＬＩＢ．］
Ｙ＝ ９３．５
ｘ＝０．3 1 1 4
ｙ＝０．3 1 9 0
Ｃ １
White calibration
data has been set.
.
ENTER
3
key is pressed.