Eizo ColorEdge CG246 Manual do Utilizador descarregar pdf (Página 2)

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Outstanding image quality The CG246 gleams with clear

graphics and structures as well as sharp text contours. Its IPS-

LCD module guarantees contrast and colour tones that are

independent of the viewing angle. The backlight is achieved by

using state-of-the-art, energy-saving LED technology.

Wide gamut The gamut of the CG246 includes significantly

more colours than traditional LCD screens. For example, it covers

colours in offset printing by over 99 per cent. For this reason, the

screen visibly shows which saturation has been achieved with

cyan and yellow tones.

High-resolution look-up table Thanks to its 16-bit look-up

table, the CG246 can resolve image signals with an accuracy of

1/65 thousandths. Colour nuances and image structure are not

lost, particularly in the case of dark hues. This reliable and

precise reproduction reduces calibration steps, saving valuable

production time. For particularly precise calibration, EIZO

combines the colour allocation with a 3D look-up table (3D LUT)

in the CG246. This feature guarantees the precise addition of the

basic colours for each hue – a key technology for the ideal grey

wedge and highly accurate colour reproduction.

Consistent hue curve and colour The brightness level of LCDs

varies from module to module in relation to the image signal and

the colour mix (addition) of red, green and blue. This can only be

precisely recorded and controlled using special measurement

devices. EIZO therefore configures each CG246 at the factory

with its colours and hue curve at 343 grid points and in every

primary colour. Therefore, a consistent colour temperature is

attained on the entire grey value scale. Colour deviations usually

amount to just 0.34 ∆E on average.

The result is that the colour reproduction is balanced, precise and

reliable for the CG246.

Integrated measuring device The CG246 achieves maximum

colour accuracy thanks to its integrated measurement device. It

automatically positions itself for calibration and hides away in the

housing until the next measurement. EIZO optimally aligns each

CG246 and the associated integrated measurement device. For

example, the measuring location on the lower section of the

image is correlated with the centre of the image so that the

sensor measures as if it were in the centre. This integrated

solution eliminates production spreads, as can occur with

external measurement devices. Even ambient light influences are

calculated during sensor initialisation and taken into account

during calibration.

Digital Uniformity Equalizer (DUE) The DUE in the CG246

ensures colour purity and even brightness distribution across the

entire display surface. A chip automatically adjusts for

irregularities. While conventional LCDs are optimised at best for

homogeneity of a white surface, every hue looks the same across

the entire screen with EIZO. The DUE ensures precisely matching

colours from the centre right to the outermost edge of the

screen, where the integrated sensor travels to measure and

carries out the adjustment for the entire surface and all tonal

values. The DUE Priority function allows the user to freely choose

whether to prioritise maximum homogeneity or maximum

brightness.

Exact calibration The ColorNavigator software (included in the

delivery of the CG246) has direct access to the monitor’s look-up

table during calibration. In the process, the user can freely

determine colour temperature, brightness, black level and hue

curve according to their requirements. The calibration is based

on the default setting and is therefore unique in its precision and

speed.

Self-calibration The CG246 carries out the calibration without

any action on the part of the user. The computer does not even

have to be turned on. Once programmed, the CG246 starts the

calibration at night, during lunch or at any other defined time.

Programming takes place conveniently via the ColorNavigator or

the on-screen menu.

EIZO CG246

Features

Colour drift correction Temperature deviations in LCDs

can also lead to imprecise colour reproduction, for

example, when warming up the monitor. Colour

deviations of more than 2 ∆E often arise when the room

temperature is unstable. The CG246 has an internal

thermometer to eliminate these inaccuracies. It controls

and reduces the colour drift fully automatically.

Brightness stabilisation Balanced brightness is crucial

for brilliant colour reproduction. Conventional LCD

monitors need one to two hours to level off their

brightness. Indeed, they then react sensitively to

temperature changes. The patented electronics of the

CG246 therefore regulates the backlight. It automatically

ensures constant brightness – regardless of the service

life and temperature.

Overdrive The CG246 processes moving images by

projection and overdrive in such a way that fast video

sequences are displayed without any annoying delays.

Digital and analogue inputs DisplayPort, HDMI and

DVI-I ports allow up to three computers to be connected

at the same time. Users can switch either automatically

or manually. HDMI signals from HD cameras can be

displayed directly on the CG246 via HDMI and

DisplayPort.

USB hub An integrated USB hub enables the connection

of peripheral devices. For example, a keyboard and

mouse can be connected to the monitor.The CG246 has

two upstream ports. Therefore, devices connected to the

monitor can be used alternatively with two computers.

HDMI The monitor offers conventional resolutions and

image refresh rates for video production. HDMI signals

(YUV and RGB) are supported with the refresh rates of

60, 50, 30, 25 and 24 Hz. The monitor also features I/P

conversion. The CG246 can be conveniently used in video

editing and animation systems, too.

Reliable and energy-efficient LED backlight, power-off

timer and PowerManager are among the energy-saving

features. Protect the environment and save energy when

the user is not currently using the computer. The power-

off timer and PowerManager are particularly useful as

they reduce the aging of the LCD backlight and luminance

distribution. Brightness and homogeneity can be

maintained for longer.

10-bit colour depth The CG246 has a Mini DisplayPort

in addition to DVI interfaces. The port has a 10-bit colour

resolution in combination with the frame rate control

(FRC). This means the screen can display even the finest

of colour gradations with a billion colours. However, you

need to have the corresponding software and graphics

board with 10-bit support.

Test marks

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