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NEC PA272W-BK-SV manual

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Table of contents for the manual

  • Page 1

    V ersion 1.1.04 User’ s Guide[...]

  • Page 2

    2 | SP EC TR A VI E W I I - US ER ’S G UI DE Software Updates and Feedback Occasionally updates and enhancements to the SpectraV iew software will be made available. V isit the SpectraView II section of the NEC DISPLA Y SOLUTIONS Internet web site to check for availability . NEC DISPLA Y SOLUTIONS welcomes feedback and suggestions for product imp[...]

  • Page 3

    3 | SP EC TR A VI E W I I - US ER ’S G UI DE HARDW ARE LIMITED W ARRANTY NEC DISPLA Y SOLUTIONS warrants the SpectraV iew II Hardware (hereinafter “Product” or “Products”) to be free from defects in material and workmanship and, subject to the conditions set forth below , agrees to repair or replace (at NEC DISPLA Y SOLUTIONS’ s sole op[...]

  • Page 4

    Cont ents Precautions: . . . . . . . . . . . . . . . . 6 Supported Display Monitors . . . . . . . . . . . 7 System Requirements . . . . . . . . . . . . . 8 1 Introduction to SpectraView II 9 Overview . . . . . . . . . . . . . . . . . . 9 Main Features and benets . . . . . . . . . . 9 2 Dialogs, Settings and Menus 1 1 Main SpectraView II window .[...]

  • Page 5

    6 Frequently Asked Questions 41 Calibration . . . . . . . . . . . . . . . . . 41 7 T roubleshooting 43 Installation and Setup . . . . . . . . . . . . . 43 Using SpectraView with NaV iSet Administrator . . . 45 8 NaViSet Administrator 45 9 T est Pattern Guide 46 10 MultiSync P A Series Information 47 Glossary 48[...]

  • Page 6

    6 | SP EC TR A VI E W I I - US ER ’S G UI DE Pr ecautions: The LCD display monitor screen is fragile and can be easily damaged if force is applied. Never use suction cups to attach a color sensor to the display . Always use the supplied cable or sling and counterweight to gently rest the color sensor on the face of the display . During the displa[...]

  • Page 7

    7 | SP EC TR A VI E W I I - US ER ’S G UI DE Suppor ted Display Monitors SpectraView II supports the following NEC display monitor models: LCD1980SXi – 19” LCD monitor LCD1980FXi – 19” LCD monitor LCD1990SX – 19” LCD monitor LCD1990SXi – 19” LCD monitor LCD1990SXp – 19” LCD monitor LCD2090UXi – 20” LCD monitor LCD2180UX ?[...]

  • Page 8

    8 | SP EC TR A VI E W I I - US ER ’S G UI DE Syst em Requiremen ts SpectraView has the following system requirements: Mac OS ÿ Microsoft Windows Operating System Apple Mac OS X v10.3.9 or higher . Mac OS 10.5.2 or higher required for some Mac models. See README le for details. Microsoft Windows 2000, XP , XP x64, Server 2003, Vista and Vista [...]

  • Page 9

    9 | SP EC TR A VI E W I I - US ER ’S G UI DE 1 I ntr oduc tion t o Spec traV iew II Over view Designed for professionals with color critical applications, SpectraV iew II combines the award winning NEC display monitor technology with a color measurement sensor and sophisticated software. The result is highly accurate, reliable, repeatable, and fe[...]

  • Page 10

    10 | SP EC TR A VI EW II - U SE R’ S G UI DE calibration settings and status of displays on a LAN. This feature is particularly useful for large installations where central monitoring and asset management is needed. Monitor locking - Once calibrated the OSD (On Screen Display) controls for the display monitors can be locked to prevent accidental [...]

  • Page 11

    11 | SP EC TR A VI EW II - U SE R’ S G UI DE 2 Dialogs , Settings and M enus Main Spec traV iew II window The SpectraV iew II window shows the current settings and status of the display calibration. All of the features of SpectraView are accessed from this window and the menus. Edit T arget Opens the Calibration T arget Conguration dialog box [...]

  • Page 12

    12 | SP EC TR A VI EW II - U SE R’ S G UI DE T arget Settings The T arget Settings group shows the current calibration T arget parameters for the currently selected display monitor . The T arget Settings can be modied, saved and loaded using the Edit, Open and Save buttons. The T arget listbox shows all of the available T argets. When the disp[...]

  • Page 13

    13 | SP EC TR A VI EW II - U SE R’ S G UI DE This Display Conguration dialog is accessed either from the Edit menu, or by clicking on the Display: Congure button in the main SpectraView window . If more than one display is being used on Windows, it may be necessary to manually congure the relationship between the display layout on the Wi[...]

  • Page 14

    14 | SP EC TR A VI EW II - U SE R’ S G UI DE E dit Calibra tion T arget C ongura tion dialog The Edit Edit Calibration T arget dialog is accessed by clicking the Edit Target button on the main SpectraV iew II window , or by selecting T arget from the Edit menu. Custom T argets can be created using this dialog. After a new T arget has been crea[...]

  • Page 15

    15 | SP EC TR A VI EW II - U SE R’ S G UI DE Use Scale Factor - The DICOM response curve shape is based on the measured black level and Intensity . If the black level or Intensity of the display changes, then the shape of the DICOM response curve also changes. If a display is not expected to be re-calibrated for a period of several months, this f[...]

  • Page 16

    16 | SP EC TR A VI EW II - U SE R’ S G UI DE C ustom Gamma C ur ve dialog The Custom Gamma Curve dialog is accessed by clicking the Edit.. button in the Gamma Curve section of the Edit Calibration T arget dialog. Advanced response curves can be selected from presets or custom curves can be created by importing a table of values. The following pre[...]

  • Page 17

    17 | SP EC TR A VI EW II - U SE R’ S G UI DE C ustom White P oint dialog The Custom White Point dialog is accessed by clicking the Edit.. button in the White Point section of the Edit Calibration T arget dialog. A custom White Point can be created by either specifying it as a Black Body radiator temperature in Kelvin, as CIE (xy chromaticity) Coo[...]

  • Page 18

    18 | SP EC TR A VI EW II - U SE R’ S G UI DE Pr efer ences dialog Pr efer ences dialog - C alibra tion Sensor tab Sensor T ype - selects the model of calibration sensor to use, and shows the current model being used. Auto-Detect - attempts to detect the selected model of calibration sensor . SpectraView will automatically detect the calibration s[...]

  • Page 19

    Calibration and Prole Steps - selects the number of measurement steps to take when calibrating and proling the display . A larger number of steps will generally result in a more accurate grayscale calibration, but will increase the calibration time. 32 steps is the recommended setting for most applications. Recalibration Reminder Period - set[...]

  • Page 20

    Pr efer ences dialog - IC C P role tab 20 | SP EC TR A VI EW II - U SE R’ S G UI DE Generate ICC Prole after calibration - selecting this will automatically generate an ICC/ColorSync monitor prole after the display is calibrated. This option should be checked for most applications. Set as Windows Color Management System Monitor Prole [...]

  • Page 21

    Pr efer ences dialog - In ter face tab Options are: Automatic - the optimal setting based on the color sensor model and the display monitor type is automatically used. Calibration Sensor - uses the values measured by the calibration sensor . For normal color gamut displays this is the recommended option since the calibration sensor can accurately m[...]

  • Page 22

    Pr efer ences dialog - Display tab Lock OSD (On Screen Display) controls when calibrated - selects if the monitor’s On Screen Display control buttons are locked when the monitor is calibrated. Locking the controls can be useful to prevent accidental or unauthorized adjustment of the monitor once it is calibrated. Options are: Don’t lock Lock al[...]

  • Page 23

    23 | SP EC TR A VI EW II - U SE R’ S G UI DE The Information window is accessed from the T ools menu. It will also be automatically displayed after a display calibration is completed. Information windo w Note: The graphs shown in the Information window can be panned, zoomed and scaled. Click and drag to select a zoom area. Use the arrow keys to p[...]

  • Page 24

    24 | SP EC TR A VI EW II - U SE R’ S G UI DE Primary Colors Red, Green and Blue CIE x,y - shows the measured color coordinates of the display’s primary colors. These values represent the color gamut of the display . The source of the color measurements will depend on the Primary Colors Chromaticity Source setting in the Preferences dialog. Disp[...]

  • Page 25

    25 | SP EC TR A VI EW II - U SE R’ S G UI DE Information windo w - C olor Gamut tab The Color Gamut tab graphically illustrates the color gamut of the display for comparison purposes as a 2D representation of the 3D color gamut volume. The display’s color gamut can be compared to the color gamut of several popular color spaces. The source of th[...]

  • Page 26

    26 | SP EC TR A VI EW II - U SE R’ S G UI DE Information windo w - C ur ves tab The Curves tab graphically illustrates the various tone response and correction curves measured and generated during the calibration process. Show Curve T ype T arget - illustrates the target tonal response curve of the currently selected T arget. This display will be[...]

  • Page 27

    27 | SP EC TR A VI EW II - U SE R’ S G UI DE Information windo w - C olor T racking tab The Color Tracking tab shows graphically how well the grayscale (colors from black to white) of the display is conforming to the currently selected T arget. Ideally all points along a grayscale measured on the display should have the same white point (chromati[...]

  • Page 28

    28 | SP EC TR A VI EW II - U SE R’ S G UI DE Information windo w - DIC OM C onformance tab The DICOM Conformance tab shows graphically and numerically how well the calibrated display conforms to the ideal DICOM (Digital Imaging and Communications in Medicine) response when a DICOM T arget curve of is used. The aim of the DICOM response is to have[...]

  • Page 29

    29 | SP EC TR A VI EW II - U SE R’ S G UI DE Contrast Response Max error - shows the highest percentage error deviation from the Barten Model curve, as well as the JND Index of the highest error point. Show Barten Model - shows the Barten Model curve on the graph. The Barten Model curve is calculated based on the measured Intensity (white luminan[...]

  • Page 30

    30 | SP EC TR A VI EW II - U SE R’ S G UI DE C olorimeter windo w The Colorimeter tool allows measurements of colors displayed on the screen to be taken with the calibration sensor , and is accessed from the Tools menu. The measurement results are displayed in a variety of useful formats. T o take color measurements using the Colorimeter , place [...]

  • Page 31

    31 | SP EC TR A VI EW II - U SE R’ S G UI DE Ambient Ligh t Measuremen t window The Ambient Light Measurement tool allows measurements to be taken of the ambient light of the viewing environment around the display monitor . This feature is only available when using a supported color sensor . Currently supported color sensors are: X - R it e/ Gr e[...]

  • Page 32

    32 | SP EC TR A VI EW II - U SE R’ S G UI DE Monitor Settings window The Monitor Settings window provides access to some of the display monitor control settings, if supported by the display . The Power LED Indicator controls can be used to change the color of the LED, and also adjust the brightness. The brightness can be reduced as necessary in d[...]

  • Page 33

    33 | SP EC TR A VI EW II - U SE R’ S G UI DE Menus File menu Open T arget... - opens a T arget le. This is the same as clicking the T arget Settings: Open button. Save T arget As... - saves the current T arget Settings to a le. This is the same as clicking the T arget Settings: Save button. Calibrate... - starts the display monitor calibrat[...]

  • Page 34

    34 | SP EC TR A VI EW II - U SE R’ S G UI DE 3 Calibration O v er view Intr oduc tion to displa y monitor calibra tion Computer display monitors display images by giving off light from the screen. On LCD display monitors, light is emitted from a backlight source such as uorescent lamps or array of LEDs (Light Emitting Diodes) and passes throug[...]

  • Page 35

    35 | SP EC TR A VI EW II - U SE R’ S G UI DE SpectraView includes several industry standard targets for a variety of applications: T arget Name Application White Point CIE (x,y) T one Response Curve (Gamma) Print Standard Commonly referred to as Proong Standard. Used widely for the proong of color transparencies or press output. D50 (0.346,[...]

  • Page 36

    36 | SP EC TR A VI EW II - U SE R’ S G UI DE About T argets SpectraView can also create custom T argets, which can then be exchanged with other SpectraView display users, providing identical calibrated displays. A T arget consists of up to four specications that describe the color characteristics of the display: Gamma or T one Response Curve ([...]

  • Page 37

    [...]

  • Page 38

    38 | SP EC TR A VI EW II - U SE R’ S G UI DE Launching As SpectraView launches, it will automatically search for any supported displays, and a supported color sensor . If SpectraView is unable to detect either a supported display or the last selected color sensor , an error message will be displayed and the Calibrate button will be disabled. Refe[...]

  • Page 39

    39 | SP EC TR A VI EW II - U SE R’ S G UI DE Calibra ting and Proling the Displa y If more than one supported display monitor is connected, select the display to be calibrated from the Display listbox. Note that each display has an independent T arget. Click the Calibrate button to start the calibration process. The software will provide instr[...]

  • Page 40

    40 | SP EC TR A VI EW II - U SE R’ S G UI DE Using IC C/C olorS ync Monitor Pr oles The ICC/ColorSync monitor proles generated by SpectraView are used to inform the Color Management System of the color characteristics of the display monitor . Color Management Systems use this information to determine how to display images on-screen. Dependi[...]

  • Page 41

    41 | SP EC TR A VI EW II - U SE R’ S G UI DE Calibr ation Question: How often do I need to calibrate my monitor? Answer: The answer will depend on how critical a color accuracy is necessary , how long the monitor is used per day , environmental conditions and the characteristics of each individual monitor . Some users working in highly critical c[...]

  • Page 42

    42 | SP EC TR A VI EW II - U SE R’ S G UI DE Question: Each time I calibrate my monitor I receive a dif ferent Delta-E result. Should I recalibrate again if I receive a value that is high? Answer: For Delta-E values of less than 2 there is almost certainly no need to recalibrate. For values higher than 3 it is important to understand what the cau[...]

  • Page 43

    43 | SP EC TR A VI EW II - U SE R’ S G UI DE Installation and Setup Problem : Calibrate button is disabled. Solution : The calibrate button is disabled for either of the following reasons: No supported calibration sensor was detected. No supported display monitor was detected. See the following sections for further explanations. Problem : No supp[...]

  • Page 44

    44 | SP EC TR A VI EW II - U SE R’ S G UI DE Problem : No supported calibration sensor was detected. Solution : T ry reconnecting the calibration sensor and click the Auto Detect button in the Preferences dialog to re-detect the sensor . It may be necessary to close and re-launch the SpectraView application. ( ÿ Windows) It may be necessary to i[...]

  • Page 45

    45 | SP EC TR A VI EW II - U SE R’ S G UI DE Using SpectraV iew with NaV iSet A dministra tor ( ÿ W indows version only) The SpectraView II software integrates with the NEC DISPLA Y SOLUTIONS NaViSet Administrator software to provide remote administration of the display monitors on networked machines. NaViSet Administrator will report all of the[...]

  • Page 46

    46 | SP EC TR A VI EW II - U SE R’ S G UI DE 9 T est P attern Guide The SpectraView II software includes several test patterns that are useful in evaluating the monitor calibration. It is also good practice to use the T est Patterns to quickly visually verify the integrity of the calibration. A pattern based on the DICOM TG18-GC test pattern has [...]

  • Page 47

    47 | SP EC TR A VI E W I I - US ER ’S G UI DE 10 MultiSync P A Series I nf or mation The SpectraView II software supports the MultiSync P A241W and P A271W monitors. These models feature a custom-designed color processor called the SpectraView Engine. This sophisticated processor , combined with internal luminance, temperature and time monitoring[...]

  • Page 48

    48 | SP EC TR A VI EW II - U SE R’ S G UI DE Glossar y Achromatic – Neutral in color (having no hue). Additive Primaries – Red, green, and blue light that when combined in different relative inten- sities produces different colors. (See also Subtractive Primaries) Backlight – the internal light source for a Liquid Crystal Display , such as [...]

  • Page 49

    49 | SP EC TR A VI EW II - U SE R’ S G UI DE Color Separation – The separating of a color image into the cyan, magenta, yellow , and black color layers used for printing. Color Separation T ables – A set of conversion tables used to calculate the separating of RGB images into the CMYK layers necessary for printing. Color Space – A three dim[...]

  • Page 50

    50 | SP EC TR A VI EW II - U SE R’ S G UI DE Gamma – The relationship between the input video signal to a display monitor and the screen output luminance. T ypically the screen luminance follows a mathematical power function of the input video signal, the exponent of which is called the gamma. Gamut – The range of colors that can be reproduce[...]

  • Page 51

    51 | SP EC TR A VI EW II - U SE R’ S G UI DE P AL – Phase Alternation by Line. A standard for encoding video signals used in Western Eu- rope and parts of Asia. Phosphors – Materials that emit light when struck by radiation of certain wavelengths. CRT displays use phosphors that give off red, green, and blue light to display an image on the s[...]

  • Page 52

    Copyright © 2003-10 NEC Display Solutions, Ltd. All rights reserved. USA and Canada: www .necdisplay .com Australia: www .spectraview .nec.com.au[...]