Eizo Digital Mammography Monitor dimensions Distinctive Glare Panel, Calibration Mode Selection

MONOCHROME

LCD MONITOR

Featuring high-resolution, high-definitionand multi-grayscale, the RadiForce GS520 is designed specifically for digital mammography with a choice of distinctive glare panel to meet diversified environment usage.

High-Resolution for Delicate Grayscale Shadings

12-Bit Simultaneous Grayscale Display

DUE for Brightness Uniformity

When selecting a monitor, it’s important to consider the “information

Requirement

Along

with EIZO's new

frame

rate

control technology

Requirement

To sustain image consistency, brightness uniformity is

volume” of the medical images to be displayed.

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(patent pending), 4,096 (12-bit)

grayscale tones can

be

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required for medical imaging monitors. However, unified

1760

1914

displayed simultaneously from

an abundant palette

of

luminance of the backlight is difficult to attain due to the

13,771 tones for high-definition digital mammography.

characteristics of LCD monitors. The Digital Uniformity Equalizer

1000

Medical

512

2150

2294

12-bit graphics board and 12-bit viewer software needed for 12-bit display.

(DUE) function provides optimum backlight luminance uniformity.

Images

1000

512

(Example)

Without DUE

With DUE

D S A

C T

Chest CR

Mammography

100%

100%

1200

1536

2048

1280

1600

2048

2560

Monitor

1024

70%

70%

Resolution

8bit

256 Tones Image

4,096 Tones Image

12bit

lower

lower

Input Level 80% = 204/255

CCD Camera

Input Level 80% = 204/255

CCD Camera

Distinctive Glare Panel

Brightness Map

Brightness Map

Requirement

“Information volume” of a digital mammography image

Many current monitors use anti-glare panels, which have a waffled

Calibration Mode Selection

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should exceed 5 million pixels. When a lower resolution

Selectable with the front panel buttons, the CAL Switch function

surface to diffuse the reflection of surrounding light. However, this

monitor displays this “information volume,” the monitor

allows for various calibration modes of different modalities such as

stretches the information forcing the mosaic to appear as shadings.

also diffuses the light from the monitor’s backlight, which affects the

digital mammography, CR, and CT images. Furthermore, with

outline of an image, causing a viewing strain on the observer. With a

With a 2048 x 2560 resolution or 5.24 million pixels, the stretching

ScreenManager Pro for Medical installed, auto mode settings can be

distinctive glare panel, there is no diffused reflection by the waffled

effect is minimized and the mosaic becomes suitable for rendering

made with the Auto CAL Switch function.

surface,

and the outline of the image is

displayed more clearly.

subtle masses and calcifications, within the mammography image.

Therefore, the subtle images such as calcification and masses will be

2048

Mammo Mode

CR Mode

CT/MRI Mode

easier to observe reducing the strain on the observer.

Please note that the reflection of surrounding light may increase when used in a bright environment.

2560

Available with either a glare panel (GS520-CLG, GS520-BLG) or anti-glare panel (GS520-CL, GS520-BL).

5.24 million

pixels

Incoming

Light from Backlight

Light from Backlight

Light

Incoming

Light

Enlarged Image

Change modes

1536

with one touch. Brightness : 500 cd/m2

Brightness : 450 cd/m2

Brightness : 350 cd/m2

Reflections

Grayscale : DICOM Part 14 Grayscale : DICOM Part 14

Grayscale : γ=2.2

Reflections

Digital

2048

Mammography

3.14 million

pixels

Brightness Stabilization

Displaying

only 72%

Anti-Glare Panel

At startup or upon wakeup, the

EIZO patented drift correction

Enlarged Image

Glare Panel

function quickly stabilizes the brightness level. In addition, a sensor

Sharper Resolution for Clearer Image Outline

High-Definition and High-Density with Minute Pixels

measures the backlight brightness

and compensates

for brightness

fluctuations caused by the ambient temperature and the passage of time.

Requirement

MTF (Modulation Transfer Function) is a parameter to

Requirement 0.165mm pixel size is the smallest pixel size among current

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define the display sharpness and resolution of a monitor

This brightness stabilization function is EIZO patented technology (Japan patent numbers 3171808 and

2

EIZO medical monitors providing high-definition and high-

3193315, US patent number 6188380).

panel. The glare panel has better MTF characteristics than

density display without shadings appearing granular.

Brightness (cd/m2)

the anti-glare panel meaning the

Provided by Anjo Kosei Hospital

1.2

Other Manufacturer's Monitor

glare panel can be expected to

Glare Panel

with Drift Correction

display the outline of a detailed

Anti-Glare Panel

1

0.249 mm

0.207 mm

0.165 mm

image more sharply.

0.8

Main Board

MTF	0.6	EIZO RadiForce Monitors
	0.4	with Drift Correction

	0.2			Backlight
				Sensor
Pixel Size Comparison				Hole for
0			Seconds	Light
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5				Transmission	Backside
		Spatial Frequency (Line pairs/mm)	Drift Correction Comparison
					of Panel

Backlight Saver

With ScreenManager Pro for Medical utility software installed, the Backlight Saver function allows for the monitor’s backlight to turn off when the screen saver is activated and the monitor’s backlight to turn on when the computer comes out of the screen saver mode. This function helps to reduce power consumption when the monitor is used for a prolonged period of time.

Regular UseCuts power consumption

	by 11%	2 hours
18 hours / day	16 hours / day
Backlights

switch off automatically

Compatibility with Various Graphics Boards

Supports various input signals for compatibility with a wide range of graphics boards so the user can select the board according to budget and performance requirements. This includes single link and dual link signals, as well as packed- pixel signal for users requiring 12-bit or 10-bit simultaneous display.

Full 5-Year Warranty

EIZO and its authorized distributors offer a five-year limited warranty for RadiForce GS520.

Brightness Stability Within Usage Time Guaranteed

EIZO's confidence in its product quality extends to brightness stability which is also covered during the usage time specified in the warranty.

Same Brightness !

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