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Measurement
Preparation
Setting and Changing Target Color
Target color
Target color serves as reference for measurement of deviation of measured color from
reference. It can be set channel by channel. Setting methods are as follows:
(1) User calibration:
Calibration value is simultaneously set as target color in user calibration.
(2) Measurement
(3) Select from stored data
(4) Enter numerical value
Previously set target color is to erase since target color setting is performed at the same
time as entry of user calibration correction coefficient.
Previously set target color should be replaced with and changed to another one to
change. User calibration correction coefficient shall not be influenced despite of target
color change.
Target color is commonly used among each measurement mode of Lvxy, Lvu’v’, LvT(d)uv,
XYZ, and dominant wavelength in one calibration channel.
No target color has been set for calibration channel without target color set by the time
of shipment from factory. Only “------” appears.
In the target setting screen, the target data for a channel other than the displayed channel
may be displayed. If this occurs, use the up/down keys to temporarily select a different
channel, and then return to the desired channel. The correct data will then be displayed.
When the display is switched repeatedly between the <TARGET> screen and <USER CAL DATA> screen while
checking data, the target data shown in the <TARGET> screen may be the data for a different target channel
than the channel number which is shown. For example, if the channel is set to CH01 in the <TARGET> screen,
and then the screen is changed to the <USER CAL DATA> screen and CH02 is selected, and then the screen
is changed back to the <TARGET> screen, the channel display continues to show CH02 but the displayed
data are actually the data for CH01.