NEC SpectraView 2190 User Manual Download

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NEC Display Solutions

Version

1.1.02

User’s Guide

Summary of Contents for SpectraView 2190

Page 1: ...NEC Display Solutions Version 1 1 02 User s Guide...

Page 2: ...rSync Mac and the Mac logo are trademarks of Apple Computer Inc registered in the U S and other countries Microsoft Excel and Windows are either registered trademarks or trademarks of Microsoft Corpor...

Page 3: ...ULAR PURPOSE SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES OR THE LIMITATION OR EXCLUSION OF LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE EXCLUSIONS OR LIMITATIONS MAY...

Page 4: ...n window Summary tab 23 Information window Color Gamut tab 25 Information window Curves tab 26 Information window Color Tracking tab 27 Information window DICOM Conformance tab 28 Colorimeter window 3...

Page 5: ...Frequently Asked Questions 41 Calibration 41 7 Troubleshooting 43 Installation and Setup 43 Using SpectraView with NaViSet Administrator 45 8 NaViSet Administrator 45 9 Test Pattern Guide 46 Glossary...

Page 6: ...the SpectraView software is running Always allow the display to warm up for at least 30 minutes before calibrating Do not adjust the monitor color brightness or contrast controls once it has been cali...

Page 7: ...0WG LED 21 LED wide color gamut LCD monitor LCD2190UXi 21 LCD monitor LCD2190UXp 21 LCD monitor LCD2490WUXi 24 LCD monitor LCD2490WUXi2 24 LCD monitor LCD2690WUXi 26 wide color gamut LCD monitor LCD26...

Page 8: ...r Depth At least 24 bit color Millions of colors At least 24 bit color Video Resolution Displays native resolution highly recommended 1280x1024 1600x1200 1680x1050 1920x1080 1920x1200 or 2560x1600 dep...

Page 9: ...play monitor supported by SpectraView II features three internal 10 or 12 bit LUTs depending on the model These tables allow very precise adjustments to be made to the display s Tone Response Curve wi...

Page 10: ...accurate ICC ColorSync color profiles are generated and automatically registered with the Color Management System These profiles use the Bradford Chromaticity Adaptation matrix Colorimeter function T...

Page 11: ...ous calibrations can be loaded and viewed The display settings and ICC ColorSync profile for the display will be set automatically Display listbox Selects which display to calibrate if more than one d...

Page 12: ...display is next due for recalibration or the number of days past when it was last due for recalibration This is based on the date of last calibration and the Recalibration Reminder Period in the Prefe...

Page 13: ...ed to None Auto Configure Attempts to automatically detect and configure the display monitors to the display layout on the Windows desktop In most cases this will correctly configure the correct relat...

Page 14: ...lay s native characteristic white point This is useful when the maximum possible luminance is desired but the white point is not critical A custom white point can be specified by clicking the Edit but...

Page 15: ...g to exactly match two or more displays since there may be a difference between what Intensity each display can achieve Specific Level calibrates the display s Intensity to a specified target value If...

Page 16: ...more perceptually uniform than a simple gamma value curve NTSC Video A curve based on the SMPTE 170M specification for NTSC that includes the offset transition and slope components SMPTE 240M A curve...

Page 17: ...d using the calibration sensor and automatically entered in the CIE xy chromaticity coordinate fields by clicking the Measure button This is useful for cloning the white point of another monitor The c...

Page 18: ...pplication and launch it again Model and Serial shows the model and serial number of the currently selected calibration sensor device Average low light measurements will average several color sensor m...

Page 19: ...e expense of grayscale color tracking near black Best grayscale color tracking will generate the best grayscale color tracking in the black areas at the expense of a slightly reduced contrast ratio Th...

Page 20: ...automatically given a name and description This is the default setting as it is not normally necessary to manually name the profile file Prompt for file name and description a prompt will appear and t...

Page 21: ...ate than those of some color sensors when measuring wide gamut displays such as the P221W LCD2180WG LED LCD2690WUXi LCD2690WUXi2 and LCD3090WQXi SPECTRAVIEW II USER S GUIDE 21 Luminance Units selects...

Page 22: ...ill be unlocked if the calibration is turned off in the main window Use Auto Luminance if supported enables the Auto Luminance sensor circuit inside the display monitor to increase the Intensity brigh...

Page 23: ...image editing applications by right clicking and selecting Copy This is useful for sharing and documenting various results Information window Summary tab White Point The Target values are the current...

Page 24: ...mma value of the Target Gamma Curve Calibration Steps shows the number of calibration steps used to measure the grayscale when the calibration was performed ICC Profile File Name shows the name of the...

Page 25: ...ference color space will overlay the color gamut onto the display s Colorspace CIE xy shows the gamut projected in CIE xy colorspace This is probably more familiar to most users however it does not al...

Page 26: ...splay These curves are generated from measurements taken while generating an ICC ColorSync monitor profile of the display If no ICC ColorSync profile was generated after the monitor was calibrated the...

Page 27: ...ments taken while generating an ICC ColorSync monitor profile of the display The horizontal axis shows the Delta E values for each measured point on the grayscale The vertical axis shows the luminance...

Page 28: ...ived luminance In DICOM terminology a change in luminance that is just perceptible is considered to be 1 JND Just Noticeable Difference So ideally each step in Digital Driving Level should result in a...

Page 29: ...ve is calculated based on the measured Intensity white luminance and black level values Show 10 Limits shows two lines representing 10 error deviations from the Barten Model curve Medical displays use...

Page 30: ...nslated into each of the respective color spaces These color spaces are device independent color spaces which means that they are not relative to any specific device as opposed to dependent color spac...

Page 31: ...unki Datacolor Spyder3 These measurements are useful in determining the optimal viewing conditions for the area surrounding the display monitor Ideally the ambient light level and color temperature sh...

Page 32: ...ss can be reduced as necessary in dim environments if the LED is distracting The ColorComp control adjusts the screen uniformity correction applied to the display in order to improve the screen lumina...

Page 33: ...uration dialog This is the same as clicking the Display Configure button Target opens the Edit Calibration Target dialog Tools menu Information Window opens the Information window Colorimeter Window o...

Page 34: ...hould be calibrated to a known state The Color Management System being used must also know the current state of the monitor so that it can determine how to accurately display images on that particular...

Page 35: ...Preset Note LCD2690WUXi2 will calibrate the white point to D65 instead of using the factory preset 2 2 Factory Preset DICOM Blue Medical Imaging using blue base film 0 265 0 320 DICOM Curve DICOM Whi...

Page 36: ...s Normally a standard Gamma value is required when working with images For example the sRGB standard color space target specifies a display Gamma value of 2 2 Since the Gamma value of the display may...

Page 37: ...io of the measured Intensity to the measured Black Level The Black Level is the luminance or brightness of black when displayed on the screen For LCD monitors the minimum or native Black Level is typi...

Page 38: ...s can be selected in the main SpectraView II window from the Target listbox Selecting a Target will automatically configure the White Point Tone Response Curves Intensity and Black Level if applicable...

Page 39: ...houtcalibratingthedisplaybyselectingGenerate ICC Profile from the File menu Non SpectraView displays can be profiled but not calibrated by SpectraView Validating the current Calibration The current st...

Page 40: ...is not necessary to perform any of the monitor settings in the Adobe Gamma Control Panel since all of the necessary monitor calibration and measurements will be done by SpectraView In Photoshop image...

Page 41: ...versaturated when the window is on the wide gamut display What is wrong Answer The color management in Safari and some other Mac applications will only apply color correction for the primary display t...

Page 42: ...ill drift slightly for several minutes after it is adjusted Since the measured value used to calculate the final Delta E result is taken up to one or two minutes after the display was adjusted a highe...

Page 43: ...traView to communicate with the display monitor For Windows systems verify that the video graphics adapter is supported by SpectraView by checking the Windows Graphics Chipset Compatibility Informatio...

Page 44: ...ng on the screen that has both full black and full white such as the Test Pattern in SpectraView 2 On the monitor s On Screen Display select and operate the AUTO CONTRAST control 3 Proceed with the ca...

Page 45: ...inistrator Console application When using the Single Connection feature of NaViSet Administrator to administer a remote machine the SpectraView information will be shown in the monitor metadata report...

Page 46: ...ion at three luminance levels Sixteen luminance patches with pixel values varying from 8 to 248 for luminance response evaluation Each patch contains four small 10x10 pixel corner patches at 4 of pixe...

Page 47: ...elas or Nits for sake of brevity CIE The Commission Internationale d Eclairage International Commission on Illumination An organization that sets many of the standards used in color and color measurem...

Page 48: ...rature of the illuminant For example D50 has a correlated color temperature of 5000K Delta E E A measurement of how different two colors are to each other In SpectraView Delta E values are derived by...

Page 49: ...denoted by K Zero Kelvin 0K is equivalent to 273 Celsius Lab See CIE Lab LED Light Emitting Diode LCD Liquid Crystal Display Lightbox An enclosure with controlled lighting conditions used to evaluate...

Page 50: ...A standard for encoding video signals used mainly in France and Eastern Europe Soft Proof Previewing on a display monitor what an image will actually look like when print ed on a particular printer S...

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