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1
.
Press the MODE key to select xyLv measurement mode.
2
.
Press the MEMORY CH
memory channel where you want to perform white cali-
bration appears.
3
.
Place the measuring probe against the display.
Make sure that the white color whose values are known is shown on the
display.
4
.
While the probe is placed against the display, press the
HOLD key.
The latest measured values will be hold and the HOLD LED lights up.
5
.
Press the
key.
The LCD display section will switch to the user calibration input screen.
6
.
Press the
key.
The LCD display section will switch to the W calibration value input screen.
7
.
Enter calibration values (x, y, Lv).
For x and y, a value 10000 times the calibration value must be entered.
Use the number-key (
The cursor moves to the right each time a value is entered.
key is pressed, the cursor moves in the order x → y → Lv → x.
Each time the
In this example, x=0.3300, y=0.3000 and Lv=39.50 are entered.
1 Press the
,
2 Press the
key.
The cursor (_) will move to "y".
3 Press the
,
4 Press the
key.
The cursor (_) will move to "Lv".
5 Press the
,
8
.
Press the
key.
The LCD display section will return to the user calibration input screen, with
the "*" mark displayed indicating that values have been entered for "W".
9
.
Press the
key.
White calibration will start, and the entered values will be set as the target
color when the correction factor is entered.
10
. Press the HOLD key to start measurement.
* To cancel white calibration, press the
key at step 9.
* To view the white-calibrated values (target color values), press
the MR key. However, if the target color is set after white cali-
bration is performed with the same memory channel, the values
for that target color will be displayed. (For details, refer to page
73.)
* If measurement is performed with non-user-calibrated memory
channel for the first time since shipment from the factory, the Konica Minolta's calibration standard will be used for the measurement.
* To change the target color you set, change it as explained in "1. Setting/Changing the Target Color by Measurement" (page 63). The
currently set correction factor for white calibration will remain unchanged even if the target color is changed.
* White calibration can still be performed even if the measured values are not hold (i.e. even if the HOLD key is not pressed). In this case,
white calibration will be performed for the measured values set by pressing the
and
to
,
) to enter the values.
,
and then
key to enter the "x" value.
,
and then
key to enter the "y" value.
,
,
and then
key to enter the "Lv" value.
key before pressing the
keys until the
Screen example after white
calibration
∆x
x
y
∆y
∆Lv
Lv
Digital display section:
Analog display section:
Displays calibration
Displays the center
values.
dots only.
key at step 9.
53
CH01 EXT
Ad P1A
[
]
CH01
U-CAL
P1
W
R
G
B
CH01 x
y
Lv P1
0000 0000 .0000
_
CH01 x
y
Lv P1
3300 0000 .0000
_
CH01 x
y
Lv P1
3300 3000 .0000
_
CH01 x
CH01 x
y
y
Lv P1
Lv P1
3300 3000 39.50
3300 3000 39.50
_
_
"*" mark is displayed.
"a" is displayed after
white calibration.
CH01 EXT
Aa P1A
[
]
LCD display section:
Memory channel
Measurement speed
Calibration mode
Probe no.
ID name
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