NEC PA272W-SV, PA272W-BK-SV, PA272W, PA272W-BK, PA322UHD-BK-SV White Paper

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NEC MultiSync® P & PA Series:

Usage in Medical Applications

About the MultiSync PA Series

NEC MultiSync P & PA Series professional displays include a number of industry-leading features that

make them ideal for a clinical review environment. Features includes a selectable factory preset DICOM

GSDF setting for medical imaging and image uniformity compensation for optimum image quality. The

built-in backlight sensor provides a feedback loop for brightness stability and consistency. Calibration is

accomplished using 14-bit lookup tables (LUTs) that give you incredibly precise control over grayscale and

color spaces.

The MultiSync P & PA Series is not shipped from the factory in the clinical review mode, however, through

the use of NEC’s MultiProler™ software, the display can easily be set up for clinical imaging.

About Picture Mode Presets

MultiSync PA Series displays have ve built-in Picture Mode presets that are available using the vertical hotkeys on the

bezel, giving one-button access to up to ve different display settings. The Picture Mode presets include customized color

gamut, gamma, brightness, black level and white point settings. Any of the default picture modes on a MultiSync P & PA

Series display can be easily customized using the free MultiProler tool.

Creating a DICOM Preset

The Digital Imaging and Communications in Medicine (DICOM) standard denes a Grayscale Denition Function (GSDF)

gamma curve optimized for diagnostic image viewing. The MultiSync PA Series includes a DICOM conguration preset that

can be easily set in MultiProler.

Before creating the preset, the uniformity should be adjusted to the desired level. The Digital Uniformity

Correction control adjusts the screen uniformity correction applied to the display in order to improve the

screen luminance and color uniformity. This compensation is done at the expense of some screen

brightness. A higher level of correction will give a more uniform screen, but the maximum brightness that

can be achieved will be lower. Start the MultiProler tool and choose the Settings panel from the icons

on the left. Using the slider, change the Digital Uniformity Correction to the desired level.

Next, select the Picture Mode panel. The Picture Mode

panel controls the settings for the various Picture Modes

that the monitor supports, as well as adjusting the

Brightness and Black Level. The monitor supports ve

different congurable Picture Modes that can be quickly

selected by clicking on the relevant buttons. Any picture mode can be customized by selecting the Picture

Mode preset button (the display may ash while adjusting to the new picture mode) and click the “Edit…”

button.

The Picture Mode Panel

Digital Uniformity Correction

Adjusting the

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The Color Conguration Wizard will appear with several predened Picture Modes. For the clinical review

mode, the DICOM preset should be selected.

The wizard will then prompt for the desired white point. The default white point is 6500K (D65) and should

be used, though Clear Base and Blue Base are options as well.

The next step is to adjust the color gamut for the display.

There is no change required to the color gamut for DICOM

GSDF, though several standard gamuts are available including

sRGB and AdobeRGB (for wide gamut displays).

Setting the color gamut

Finally, the brightness and black level can then be adjusted to the desired levels to achieve both the needed

luminance and contrast ratios. Since several MultiSync PA Series displays have backlight sensors, the

contrast ratio can be adjusted directly by changing the ratio of brightness and black level.

After completing these steps, a DICOM preset will be available

in MultiProler as well as through the On Screen Display

(OSD). To activate the OSD, use the vertical arrows on the

bezel to display the list of Picture Modes. The same vertical

arrows can be used to select the desired Picture Mode. The

Picture Mode is automatically applied after being selected.

The vertical arrows will be on the right of

the display in landscape mode and on

the left of the display in portrait mode.

Setting the white point

Setting the brightness gamut

This technology paper was published in and based on information as of April 2011. Technical information is subject to change.

MultiSync is a registered trademark and MultiProler

is a trademark of NEC Display Solutions. 4/11 ver. 1.

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