Eizo CG220 Manuel d'utilisateur télécharger pdf (Page 11)

ColorNavigator Software

Simple and Precise

Calibration

The EIZO-developed Color-

Naviga

tor software* makes

calibration both si

mple and

accurate. Instead of having to

judge colors

and do time-con-

suming inputting, or having

a specialist do it for you,

all

you need to do is

input target

values for brightness, whit

poin

t and gamma. ColorNavigator directly utilizes the 10-bit Look-Up

Table for accurate and reliable calibration in

minutes.

Ambient Light Measurement

ColorNavigator can be used to mea-

sure th

e ambient light environment

d automatically set it as the mon-

itor’s white point calibration target.

Especially helpful when

there is no light box to view a proof or when

e light box’s white point is not precisely on target, it ensures that the

moni

tor’s white point matches that of the ambient light environment for

accurate comparison between the hard (printed) and soft proofs.

As of July 2005, this function is supported by GretagMacbeth Eye-One series measurement devices

only (excluding Eye-One Monitor/Display).

Post-Calibration Color Adjustment

Sometimes due to variations in output from different printers or the special

requiremen

ts of a project, it is necessary to ﬁ ne-tune an otherwise perfectly

calibrated monitor to match target colors. ColorNavigator lets

you easily

adjust hue and saturation for all six colors (red, green, blue, cyan, magenta

and yellow),

as well as white balance, bright-

ness, black level and gamma, to achieve the

closest possible visual

match. For conﬁ rma-

tion of calibration results or to achieve more

accurate manual adjustments, a test pattern

screen can

now be

displayed.

The test pattern screen shows a full

grayscale ramp as well

as just the low

tones (blacks), high tones (whites), and

gamma values. The results of all manual

adjustments are immediately re

ﬂ ected

on the test pattern screen

Convenient Calibration Profile Management

ColorNavigator also makes it

easy to keep track of calibra-

tion proﬁ

les. When you want

to adjust a pr

oﬁ le in order to

matc

h your monitor to other

equipment such as printers or

light bo

xes, you can use the

Duplicate function to make

a copy of it, then adjust

the

duplicate pr

oﬁ le and give it

a new name. Naturally,

you

n make as many duplicates, and thus adjusted proﬁ les, as desired.

Recalibration Reminder

After initial calibration, a monitor needs to be recalibrated at regular

intervals to maintain color accuracy. ColorNavigator includes a recalibra

tion reminder that will

appear after a certain number of user-determined

hours. When

the monitor is ﬁ rst calibrated, the date and time are saved.

After the time you set has elapsed,

an LED on the front panel lights up,

and a reminder message appears the next time ColorNavigator starts

up. If

you prefer to calibrate according to the amount of change that has

occurred, you can measure the color difference (Delta-E) between the

original

target points and the actual current points at any time.

Calibration Parameters

Brightness

30 cd/m

– 200 cd/m

* in 5 cd/m

increments

Possible to set to the monitor’s maximum and minimum

values

Black Leve

0.5 cd/m

– 3.5 cd/m

in 0.1 cd/m² increments

Possible to set to the monitor’s minimum value.

White Point

Color Temperature

4,000 K

– 10,000 K in 100 K increments

Color Coordinates

Value, Y Value

Gamma

1.0

– 2.6 in 0.1 increments

Test Pattern Screen

Post-Calibration Manual

Adjustment Screen

Calibration Parameters

Brightness

30 cd/m

– 200 cd/m

* in 5 cd/m

increments

Possible to set to the monitor’s maximum and minimum values.

Black Level

0.5 cd/m

– 3.5 cd/m

in 0.1 cd/m² increments

Possible to set to the monitor’s minimum value.

White Point

Color Temperature

4,000 K – 10,000 K in 100 K increments

Color Coordinates

X Value, Y Value

Gamma

1.0 – 2.6 in 0.1 increments

* It may not be possible to set the brightness to the maximum value (200 cd/m

) depending on LCD panel performance.

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Eizo CG220 Manuel d'utilisateur Page 11

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