MD215MG Calibrator
Contents
1. 1052 Luminance Response dUL for a JND Chart A s dU L for a JND 50 100 150 200 250 300 350 400 450 500 550 JND INDEX When multiple calibration records are selected to create their graphs select the record to show its graph in drop down box of Select a chart The allowable deviation where Pass is decided on the graph is determined according to the QA testing standard and its performance class selected to apply for each display set with the Agent Settings QA testing Performance Allowable standard class deviation Primary 10 AAPM TG18 Secondary 20 Grade 1 15 JESRA X 0093 Grade 2 30 Class A Not defined DIN V 6868 57 Class B Not defined 13 input 14 standard value This standard is applied only for digital video input This restriction does not apply for analog video A luminance response deviation range is not defined for DIN V 6868 57 This value is a proprietary NEC Display Solutions Ltd 37 NEC Display Solutions Ltd MD215MG Calibrator Ver 1 0 User s Manual March 2011 Edition _ _ AA A gt gt gt _ _ __________ 4 m No part of this manual whether partly or wholly may be reproduced or copied without authorization m The content of this manual is subject to change without notice m Although this manual has been prepared carefully please let us know if you find any errors omissions or ambiguous explanations NEC Display So2. C Program Files NEC MD215MG Calibrator Browse Fig 6 Select Installation Folder NEC Display Solutions Ltd 1 8 When the Confirm Installation window appears click Next gt to start installation J NEC MD215MG Calibrator o eee Confirm Installation Calibrator The installer is ready to install NEC MD215MG Calibrator on your computer Click Next to start the installation Fig 7 Confirm Installation 9 When the Installation Complete window appears click Close to complete installation 10 Amessage appears prompting for restart of the computer Click Yes and restart the computer NEC MD215MG Calibrator Installer You must restart your system for the configuration changes made to NEC MD215MG Calibrator to take effect Click Yes to restart now or No if you plan to manually restart later Fig 8 Confirm Restart of system After the computer restarts MD215MG Calibrator Agent Services starts as a Windows System Service and the display configuration is detected automatically All displays not only supported displays are detected The MD215MG Calibrator software is now ready for use NEC Display Solutions Ltd 8 2 3 Installing the Calibration Sensor Driver Follow the instructions below to install the external calibration sensor driver There are two ways depending on the Operating System of the computer For Windows XP 1
3. Connect the calibration sensor Chroma 5 to the display or the USB port on the computer 2 The Found New Hardware Wizard appears Select Yes this time only and click Next gt Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission Read our privacy policy Can Windows connect to Windows Update to search for software Yes this time only O Yes now and ev ly time connect a device Click Next to continue Fig 9 Found New Hardware Wizard 3 The following screen appears Select Install the software automatically Recommendeda and click Next gt to install the driver Found New Hardware Wizard This wizard helps you install software for Calibrator If your hardware came with an installation CD lt 4 or floppy disk insert it now What do you want the wizard to do Install the software automatically Recommended Install from a list or speci location Advanced Click Next to continue Cole Fig 10 Confirm installation of the Chroma 5 external sensor NEC Display Solutions Ltd 9 4 When the MD215MG Calibrator installation has been properly completed the driver software was found and installed automatically If the driver installation has failed please try manual installation Click t
4. If you accept the terms below click I MD215MG Calibrator Software License Agreement 2 Until you have read and agreed to the terms and conditions of this software license agreement do not use this software If you cannot accept these terms and conditions please delete the software installer package from your computer MD215MG Calibrator is a software package for Display Calibration and Status Monitoring for the NEC model MD215MG LCD Display The Software s main functions include calibration and conformance tests according to the DICOM Grayscale Standard DICOM Function GSDF as well the collection of hintacianl data and tha memirininm nf tant mob Fae cimil mi lis tanta I Do Not Agree Fig 5 License Agreement confirmation 6 The License Agreement window appears To accept the agreement and proceed with installation select I Agree and click Next gt 7 When the Select Installation Folder window appears select a destination folder Further down the menu you can select in which user s Start menu the shortcut to this software should be created To share it with all users of this computer select Everyone To use it only by yourself select Just me Then click Next gt Select Installation Folder G Calibrator The installer will install NEC MD215MG Calibrator to the following folder To install in this folder click Next To install to a different folder enter it below or click Browse Folder
5. C DOCUME I ADMINI1 LOGALS 1 Temp I v Solution In rare cases a message requesting an msi file may appear during de installation If the msi file is not specified de installation cannot be completed In this case use the following method to obtain the required msi file 1 Copy the MD215MG Calibrator exe installer file onto your computer Select Run on the Start menu Click Browse and specify the location of the MD215MG Calibrator exe installer file The path of the setup execution file appears in the Open section Add a space to the end of the path and enter C Now lt MD215MG Calibrator setup execution file name gt C should appear in the Open section Click OK A dialog box for specifying the location for extracting the file appears Click Browse and specify the location for extracting the file You can choose any writable folder for the location to which to extract the file Click OK to extract the msi file to the specified folder Start the de installation again See 5 De installing MD215MG Calibrator Now specifying the location of the extracted msi file will continue the de installation NEC Display Solutions Ltd 28 After sales service Please contact your supplier for technical support You may also contact the technical support email addresses below if you write your inquiry in English language 4 For more information on NEC products visit our web sites
6. calibration time duration depends on whether the external sensor or the front sensor is used Rough time estimates 9 to 10 Minutes with the external sensor 4 to 5 minutes with the front sensor When calibration is completed the Finishing Calibration window is displayed together with the results Calibration Wizard Finishing Calibration Calibration is completed Calibration Result Pass Details Show Details Fig 19 Calibration Finished 7 You can cancel adjustment by pressing the ESC key on the screen during adjustment or by clicking Cancel in the wizard Note After a certain stage has passed the process cannot be canceled NEC Display Solutions Ltd 17 Result Description Pass Calibration completed normally also passed inspection Fail Calibration completed normally but during inspection a deviation was outside the appropriate range gt Page 37 Allow for more elapsed time since the display was turned on and then perform the calibration again If the result is still Fail the display may have a problem Click on Show Details to display the details of the calibration results in different graphs For how to read the graphs see gt Page 36 NEC Display Solutions Ltd 18 3 3 Display Inspection Clicking Display Inspection on the Home tab starts the display inspection Display inspection can be performed with either the the front sensor or the Chroma 5 e
7. in the drop down box gt Page 25 m Placing the mouse cursor over the display icon on the displays in the main menu an explanation of the display status is shown gt Page 26 Important Any change of settings on the display via OSD will not be reflected in the Home tab unless the MD215MG Calibrator software is closed and restarted again Therefore it is advisable to use the software method to apply changes of the 3 selectable configurations NEC Display Solutions Ltd 13 3 2 Calibration Perform calibration by using the Calibration button on the Home tab Clicking Calibration for the display to be adjusted displays the Starting Calibration window Calibration can be performed with either the the front sensor or the Chroma 5 external sensor When an external sensor is connected clicking Calibration enables the external sensor to be used When an external sensor is not connected the front sensor is used Important For more accurate calibration use the external sensor to perform a calibration When a calibration is performed using the external sensor a calibration of the front sensor is performed as well It is recommended to do an external sensor calibration regularly about once a year Calibration Wizard Gm Starting Calibration Please check the settings below Attach the calibration sensor in the center of the white patch and press Start Target NEC MD215MG 120PP017Gx Display Configuratio
8. settings click Apply to apply the settings to MD215MG Calibrator Setting Description When this is selected the icon does not reside in the task tray Closing the main menu exits the application Hide icon in Windows task tray Displays and enables switching of display configurations using the Home tab on the main menu and calibration settings Enable multiple display configuration Enables manual selection of the front sensor and external sensor when performing calibration and inspection Enable manual sensor selection De installing MD215MG Calibrator To de install MD215MG Calibrator select Uninstall a program from Windows Control Panel Then select NEC MD215MG Calibrator All related software will be de installed as well m f a message requesting an msi file appears during de installation please refer to Troubleshooting gt Page 28 m After de installation the installation folder may remain on the system Delete this folder manually as needed 12 MD215MG Calibrator Agent Services is de installed at the same time NEC Display Solutions Ltd 25 O Troubleshooting 6 1 Display Status The display status is indicated by the task tray icon and on the main menu Placing the mouse cursor over the display icon on the main menu of the Home tab displays a detailed explanation of the display status Icon Message Solution Status OK Communication Error Check t
9. uniformity White White solid pattern Gradation White to black gradation pattern TG18 PQC Resolution luminance contrast for prints TG18 LN8 01 Luminance response The pixel value of the central region is 0 TG18 UN10 Luminance and color uniformity TG18 UNL10 Luminance and color uniformity with defining lines NEC Display Solutions Ltd 33 TG18 UNL80 Luminance and color uniformity with defining lines TG18 MP Luminance response bit depth resolution TG18 RV 5 vertical lines at 3 luminance levels for LSF evaluation TG18 CX Array of Cx patterns and a scoring reference for resolution uniformity TG18 LPV Vertical bars with 1 pixel width and 1 16 modulations at 3 luminance levels TG18 NS Similar to TG18 RV TG18 RH for noise evaluation TG18 GVN Veiling glare for visual evaluation TG18 CH Anatomical chest pattern TG18 AD Contrast threshold at low luminance for evaluating diffuse reflection TG18 RH 5 horizontal lines at 3 luminance levels for LSF evaluation TG18 PX Array of single pixels for spot size TG18 LPH Horizontal bars with 1 pixel width and 1 16 modulations at 3 luminance levels TG18 AFC Display noise TG18 GV Veiling glare for visual evaluation TG18 GQ Dark spot pattern for glare ratio measurement TG18 KN Anatomical knee pattern NEC Display Solutions Ltd A TG18 M
10. ENSOR PRO NEC Display Solutions Ltd 30 8 2 Gamma Correction Gamma Description Grayscale Standard Display Function as specified by the DICOM standard Part 14 Commonly used for medical image display devices DICOM GSDF This is set to linearize the display luminance output to the perceptual capabilities of the human visual system Gamma properties expressed by y x where n is a variable Calibration setting to make an input signal to the display and display Exponential the luminance exponential The display luminance after calibration is proportional to the n th power of the input signal Generally either 2 2 or 2 4 is used for the exponential value n You can create and use user defined gamma properties Custom To apply the properties to the display create a custom gamma correction file and load it to MD215MG Calibrator NEC Display Solutions Ltd 31 8 3 Custom Gamma Correction File A custom gamma correction file is a file used to apply user defined gamma correction properties to a display This section describes the method for creating this file A custom gamma correction file is a text file It can be edited using Notepad or a different pure text editor There are two file types which provide the same functionality When creating a new custom gamma correction file use the standard custom gamma correction file format The standard format sample sample usg is located in th
11. For Europe www medical nec display solutions com Note This site also provides the MD215MG Calibrator software for download Registration is required For USA www necdisplay com medical Email address for sales information For Europe med info nec displays com For USA www necdisplay com medical 4 Email address for technical support For USA techsupport necdisplay com For Europe med support nec displays com NEC Display Solutions Ltd 29 EJ Appendix 8 1 Attaching the Calibration Sensor This section explains how to attach the Chroma 5 calibration sensor Attach the sensor gently on the surface to the center of the measuring area by adjusting the position of the counterweight on the USB cable Be careful not to damage the panel surface with either the calibration sensor or the counterweight For good contact of the external sensor to the screen please tilt the screen back by 10 to 15 degrees Counterweight Calibration sensor y LCD panel side view Fig 26 Attaching the Chroma 5 external calibration sensor IMPORTANT NOTE The calibration sensor can deteriorate if exposed to high temperature high humidity rapid temperature change or permanent high luminance When you do not use the Chroma 5 external sensor store it in the transport packaging as delivered NOTE Order information for the Chroma 5 external sensor at NEC Display Solutions Europe Order Number Description 100012556 MDSVS
12. M Anatomical mammogram pattern DIN V 6868 57 test patterns SMPTE gt Page 33 is the same as the basic patterns DIN GEOMETRY For evaluations on geometric properties such as distortion line structure artifact and instability DIN RESOLUTION Resolution evaluation JESRA X 0093 test patterns Y SMPTE gt Page 33 is the same as the basic patterns JIRA BNO1 Luminance response The pixel value of the central region is 0 JESRA Standard Image JESRA Japan Engineering Standard of Radiation Apparatus standard clinical image TG18 MM2 Anatomical mammogram pattern DIN Image 2 CONTRAST and GRAYSCALE White and Black contrast ratio and Grayscale reproduction evaluation DIN Image 3 LUMINANCE DEVIATION Luminance deviation between the center and four corners for quantitative evaluation JIRA BN18 Luminance response The pixel value of the central region is 255 JIRA CHEST QC Combines the evaluation area of JESRA Standard Image and TG18 QC TG18 QC TG18 LN8 01 TG18 LN8 18 TG18 UNL80 Page 33 are the same as the AAPM TG18 test patterns NEC Display Solutions Ltd 35 8 5 How to Read the Graphs DDL L Where X axis is DDL Y axis is luminance You can choose the scale of the axis between linear default and logarithmic The full line represents the target according to the calibration settings and the dotted line indicates the actua
13. NEC MD215MG Calibrator User s Manual Version 1 0 Contents INTO CUCION cti aia 3 TA OVETVI CW isade aad ea anae a Aaaa E 3 1 2 Operating Environment ssas ia aa a aE aaraa 4 Z Installation a 5 2 IMS tailing the Dis 5 2 2 Installing MD215MG Callibratov ccesssseeeeeeeeeeseeesseseeeeeeeeseeeeeaaassneeeeesesaeeaaaaanees 6 2 3 Installing the Calibration Sensor Drivel ccccccccssceessseseeeeeeeeeeeeeeneeeeesenaeneneaes 9 3 Mal FUNCIONA SS ii 12 3 1 Main Menu and Task Tray ICON cccccceeeseseeeeeceeeeeeeeeeeeseeeeseeeeenseeesenenseeseenenenens 12 32 CallbratoON cai teccaonsne se cb euna cesarean aa 14 3 3 DISPIAY InNSpecUoN isinan daa a aaa a 19 3 4 Regular Contrast Response Test and Regular Contrast Measurement 21 USC FUNCION aa 22 4 1 Calibration ISO Vai da 22 4 2 Test Pattern DIS Olay ca 24 AS Option Seas di 25 5 De installing MD215MG Calibrator cccoonnnnicconnccciccncccncoccnnnnnnononnnnnnanrnnnrnnnrenanos 25 6 FFOUDIESNOO UNO a aaa a a a a e Eaa iaa 26 GA Display AS 26 62 Other ProbleMS ici 27 AMES ales SOVICO ainia 29 o APPEND lid 30 8 1 Attaching the Calibration Sensor ocococcccccccconnncconnncoconoccnnnnnnnnnnreronnnnrnnnnnnnnnrernnrnannnns 30 8 2 Gamma Corre CI aa aaea coed aid ccc at Eaa E lube or ce AEA AAE aE 31 8 3 Custom Gamma Correction File ccccccceeseessseeeeeeeeeeseeeeeaaaeeeeeeeeeseseeeaaaaeeeeenes 32 OA TES OS ii ide 33 8 5 How to Read the Gr
14. Time Mar 3 2011 9 20 24 PM Configuration 1 Max Luminance 400 0 cd m 2 Min Luminance 1 00 cd m 2 DICOM GSDF Max Luminance 400 0 cd m Min Luminance 1 0 cd m Ambient Light 0 0 cd m Gamma DICOM GSDF Color Temperature Comment Select a display Monitori MD215MG 120PP017Gx Date and Time Configuration Comment Mar 3 2011 9 20 24 PM 1 Max Luminance 400 0 cd m 2 Min L Mar 3 2011 8 31 47 PM it Max Luminance 400 0 cd m 2 Min Law Selected Items Delete Create Fig 23 Calibration History 11 Ifa calibration has not yet been done the History button is disabled NEC Display Solutions Ltd 22 Displaying the calibration results graphically 1 Select a calibration record and click Add to add it to the Selected Items section 2 To compare with other records select multiple records using the same procedure You can compare two records graphically at the same time 3 Click Create For how to read the graphs gt Page 36 Calibration History and Settings Calibration Settings Display Name Monitor 1 Model Name MD215MG Serial Number 120PP017Gx Date and Time Mar 3 2011 9 20 24 PM Configuration 1 Max Luminance 400 0 cd m 2 Min Luminance 1 00 cd m 2 DICOM GSDF Max Luminance 400 0 cd m Min Luminance 1 0 cd m Ambient Light 0 0 cdim Gamma DICOM GSDF Color Temperature Comment Calibration History Select a display Monitor1 MD215MG 120PP017Gx Da
15. ance Specify the luminance cd m when black is displayed Use the default value unless otherwise required May be lifted up to comply with regulations or re commendations e PAS 1054 min 1 0 cd m or NHS guidelines for Mammography systems Ambient Light Specify the luminance cd m affecting the display surface according to the ambient light If the effect of ambient light does not need to be taken into account use the default value of 0 0 cd m A Measure button is displayed as an ambient light sensor is integrated into the MD215MG Specify the gamma properties gt Page 31 Gamma If grayscale images will be displayed DICOM GSDF is recommended Add a comment at the time of Comment adjustment for later reference This information is optional When ambient light is set the ambient light value will be added to the resulting maximum and minimum luminance Measurements using the integrated ambient light sensor uses a proprietary method To manage displays according to QA testing standards refer to respective relevant standards NEC Display Solutions Ltd 16 After the verification of settings is completed if required install the external sensor properly gt Page 30 Then click Start to begin the calibration Calibration Wizard Calibration in Progress Processing ea 0 45 8 minutes rem aining Fig 18 Calibration in Progress The
16. aph Simi a 36 NEC Display Solutions Ltd 2 Introduction This document describes how to use the NEC MD215MG Calibrator Please read this user s manual before use to ensure proper functioning 1 1 Overview MD215MG Calibrator is software designed to manage the quality of NEC medical image displays The functions include Monitoring of display status The display configuration is recognized automatically and is shown resident as an icon in the task tray notifying the user of the display status After starting the application use this function to quickly check the display status gt Page 12 Display Adjustment Perform various adjustments including calibration to DICOM GSDF or other gamma correction curves gt Page 14 Display Inspection Test of luminance and gamma correction curve gt Page 19 m Calibration History Easily check details of previously performed calibrations and display inspections Page 22 Test Pattern Display Display test patterns using either AAPM TG18 test patterns or other QA testing standard test patterns Page 24 NEC Display Solutions Ltd 3 1 2 Operating Environment Computer IBM PC AT compatible computers equipped with processors equivalent to or exceeding Intel Pentium Celeron 2 GHz meeting recommended system requirements and equipped with more than one USB port System memory 512 MB or higher and meeting recommended system requirements Opera
17. e var sub folder of the MD215MG Calibrator installation folder Standard format This explains how to create a custom gamma file using Notepad 1 2 Open Windows Notepad Enter USG on the first line Describe the luminance properties on the next lines Enter one luminance per line in order from low to high luminance MD215MG Calibrator interpolates any data insufficient for adjustment You must enter at least five lines of data Select Save As from the menu Enter the file name Add usg as the file extension Select All Files for Save as type and click Save The following is an example of a standard format custom gamma correction file USG Y 1 0 48 6 1 9 60 9 3 1 76 4 4 7 94 6 6 9 116 5 9 7 144 0 13 2 159 2 17 7 187 5 23 2 229 9 29 9 279 1 38 5 338 1 410 0 I For demonstration only This file consists of one column in a real custom gamma correction file NEC Display Solutions Ltd 30 8 4 Test Patterns Basic test patterns SMPTE SMPTE Society of Motion Picture and Television Engineers medical diagnostic imaging test pattern Black Black solid pattern Auto Size Pattern Auto size pattern for analog video signal AAPM TG18 test patterns TG18 QC Resolution luminance distortion artifacts TG18 CT Luminance response TG18 LN8 18 Luminance response The pixel value of the central region is 255 TG18 UN80 Luminance and color
18. e following items can be changed on the Calibration Settings dialog that appears when clicking Change Settings Calibration Settings Calibration Settings Max Luminance EWM gt cd m Range 300 0 500 0 Min Luminance 1 00 gt cdim Range 0 00 2 00 Ambient Light 0 00 cd m Illuminance Measure Gamma DICOM GSDF Exponential Custom Comment Cancel Fig 17 Calibration Settings menu Display Configuration 1 Max Luminance 400 0 cd m 2 Min Luminance 1 00 cd m 2 DICOM G w Configuration Name When multiple configurations are enabled in the Option tag the following items are also displayed gt Page 25 Setting Description Additional information Display Select the display configuration to be Can only be set when Configuration adjusted multiple configurations are enabled with the Configuration Specify the name of the configuration MD215MG Calibrator Name This field is optional settings gt Page 25 NEC Display Solutions Ltd 15 Setting Description Additional information Max Luminance Specify the luminance cd m when white is displayed Use the default value unless otherwise required Maximum luminance can be set within the range specified for the display Due to luminance degradation caused by deterioration of the backlight over time the result may fall short of the target luminance Min Lumin
19. e starting the application Problem The calibration sensor Chroma 5 is not recognized even when connected or an error message such as Sensor not found appears Solution Depending on the computer Chroma 5 may not be recognized when the computer is turned on even if Chroma 5 is connected How to find out whether or not the calibration sensor is recognized 1 Right click Computer on the Start menu and select Manage 2 Inthe left pane of the window select Device Manager under System Tools 3 Inthe right pane of the window check the Device Manager If Chroma Calibrator is listed under X Rite Devices the calibration sensor is recognized if it is not recognized it appears as either Other Devices or USB Device How to get the Chroma 5 recognized If Chroma 5 is not recognized even if the driver is installed reconnect Chroma 5 after the operating system has started If the driver is not installed install it at this time Page 9 2 Before starting QA testing with NEC GammaCompMD QA software exit the MD215MG Calibrator software NEC Display Solutions Ltd 27 Problem De installation cannot be performed because an msi file is required g7 Windows Installer The feature you are trying to use is on a network resource that is unavailable Click OK to try again or enter an alternate path to a folder containing the installation package AgentServices msi in the box below Cancel Use source
20. he Back button and select Install from a list or specific location Advanced Specify the device driver location source then click Next gt For Windows Vista and Windows 7 1 Connect the calibration sensor Chroma 5 to the display or the USB port on the computer m When the MD215MG Calibrator installation has been properly completed the message Device driver software was successfully installed appears The driver installation has been completed successfully m When the message Device driver software was not successfully installed appears first install the MD215MG Calibrator software and then connect the Chroma 5 sensor If this still fails go to the next step 2 Right click Computer on the Start menu and select Manage 3 Inthe left pane of the window select Device Manager under System Tools 4 Double click Calibrator under Other devices a s Other devices E ls Calibrator gt Ma POMaDIE DEVICE Fig 11 System Tools Device Manager Other Devices 5 On the Driver tab click Update driver to open Update Driver Software Wizard 2 The description Computer can be My computer depending on the Operating System you are using NEC Display Solutions Ltd 10 6 Click Browse my computer for driver software L Update Driver Software Calibrator How do you want to search for driver software gt Search automatically for updated driver software Windows will search your computer and the Inter
21. he connection between the computer and display gt Page 5 When a communication error occurs for a display detected for the first time appears When a communication error occurs for a display previously detected A appears No Video Cables The registered information of the display configuration and actual connection do not match Check the connection between the computer and display gt Page 5 and the on screen settings Contrast Response Test Failed Calibration Recommended Luminance Change Larger Calibration Recommended Perform a calibration gt Page 14 If this error occurs use of an external sensor is recommended No Icon Unsupported Display The display does not support calibration or other adjustments It can be used as is NEC Display Solutions Ltd 26 6 2 Other Problems Problem The message Application cannot be started appears and the application cannot be started MD215MG Calibrator ES x Application failed to launch Check the following Another calibration software is already running MD215MG Calibrator Agent Services is running Communication port is unavailable Solution A communication error may occur when an application other than MD215MG Calibrator is communicating with the display Before starting MD215MG Calibrator be sure to close all other applications Also a display inspection may be running in the background so wait a moment befor
22. l measurement Chart A s Target Luminance cd m 2 Chart A s Luminance cd m 2 200 7 175 4 150 125 100 7 75 a Luminance cd m 2 0 25 50 75 100 125 150 175 200 225 250 DDL JND L Where X axis is JND Just Notified Difference Y axis is luminance You can choose the scale of the axis between linear default and logarithmic The full line represents the target according to the calibration settings and the dotted line indicates the actual measurement This graph is only available when the display was calibrated to DICOM GSDF gamma setting Chart A s Target Luminance cd m 2 Chart A s Luminance cd m 2 125 FT i TT o IN 50 100 150 200 250 300 350 400 450 500 550 JND INDEX Luminance cd m 2 NEC Display Solutions Ltd 36 JND dL L per JND Where X axis is JND linear scale Y axis is dL L per JND logarithmic scale The X axis represents the linear scale and the Y axis represents the logarithmic scale The full line represents the target according to the calibration settings and the maximum and minimum allowable limits and the dotted line indicates the actual measurement This graph is only available when the display was calibrated to DICOM GSDF gamma setting Chan A s Target dUL for a JND Chart A s Max Tolerant Limit 10 Chart A s Min Tolerant Limit 10
23. lutions Ltd 38
24. n 1 Gamma DICOM GSDF Max Luminance 400 0 cdjm Min Luminance 1 00 cd m Ambient Light 0 00 cd m Change Settings Sensor X Rite ChromaS 13422 Elapsed time since the display is turned on 76 min Start Cancel Fig 16 Starting Calibration menu Check the following information on the Starting Calibration menu Calibration Settings Displays the calibration settings Displays the previous calibration results by default To change the settings click Change Settings Sensor Displays the sensor used for calibration If zero calibration of the external sensor is required the Zero Calibration button is displayed Place the sensor on an even surface and click the button Not required in conjunction with Chroma 5 external sensor Elapsed time since the display is turned on Displays the elapsed time since the display was turned on If the elapsed time is too short calibration cannot be performed accurately Wait at least 60 minutes after the display is turned on before beginning calibration 3 If the sensor manual selection option is enabled gt Page 25 and you select External Sensor the external sensor is selected 4 This is the elapsed time since the display was turned on If the power save function is enabled or power is turned off the value returns to 0 Please disable the Windows power save function for this purpose NEC Display Solutions Ltd 14 Calibration Settings Th
25. net for the latest driver software for your device unless you ve disabled this feature in your device installation settings _ gt Browse my computer for driver software Locate and install driver software manually Fig 12 Update Driver Software Calibrator 7 Specify the device driver location 8 Windows will now find the driver and installs it automatically 9 Return to the Device Manager and check that Chroma Calibrator is displayed under X Rite Devices Ar ere E S 2 4 X Rite Devices Chroma Calibrator Fig 13 Chroma Calibrator installed NEC Display Solutions Ltd 11 Main Functions MD215MG Calibrator comes with the necessary functions for managing the accuracy of the display for displaying medical images 3 1 Main Menu and Task Tray Icon When MD215MG Calibrator starts with Windows an icon resides in the task tray This icon is an indication of display monitoring to notify the user of the display status You may decide later whether or not the MD215MG Calibrator icon resides in the task tray gt Page 25 MD215MG Calibrator task tray icon Fig 14 Task tray icon The task tray icon indicates display status information as below Icon Status a Normal Normal Operation Ay Warning Display status cannot be verified e Error Display error detected Detailed status information of warnings and errors are displayed in the MD215MG Calibrator main menu To o
26. pen the main menu either select MD215MG Calibrator on the Windows Start menu or right click the task tray icon and select Open MD215MG Calibrator NEC Display Solutions Ltd 12 A cat MD2I5MG Calibrator Test Patterns Options NEC EA222WMe Serial Number 92100252NB NEC MD215MG Calibration ad Serial Number 120PPO004GWW Display Inspection Current Settings Max Luminance 400 0 cd m Min Luminance 1 00 cd m DICOM GSDF NEC MD215MG Serial Number 120PP005GWW Current Settings Max Luminance 400 0 cd m Min Luminance 1 00 cd m DICOM GSDF Calibration Display Inspection Fig 15 Elements of the MD215MG Calibrator main menu Home tab Test Patterns tab NEC MD215MG Calibration gt Serial Number 120PP004GW Page 24 Current Settings Max Luminance 410 0 cd m Min Luminance 0 95 cd m DICOM Display Inspection GSDF Histor Optio ns tab 1 Max Luminance 410 0 cd m 2 Min Luminance 0 95 cd m 2 DICOMGSDF y Y 1 Max Luminance 410 0 cd m 2 Min Luminance 0 95 cd m 2 DICOM GSDF 2 Max Luminance 430 0 cd m 2 Min Luminance 1 00 cd m 2 DICOM GSDF gt Page 25 3 Max Luminance 500 0 cd m 2 Min Luminance 1 40 cd m 2 DICOM GSDF NOTES When multiple display configurations are enabled in the Option tab select the display configuration
27. stallation of the related support software the following message to install driver software for the Chroma 5 calibration sensor may appear Click install Windows Security Would you like to install this device software Name X Rite Publisher X Rite Incorporated Always trust software from X Rite Incorporated Don t Install 4 You should only install driver software from publishers you trust How can I decide which device software is safe to install Fig 3 Windows security message 4 You may see the following installation progress bar during the installation of the MD215MD Calibrator Agent Services It will be installed as a Windows System Service NEC MD215MG Calibrator Agent Services Al Please wait while Windows configures NEC MD215MG Calibrator Agent Services Gathering required information Fig 4 MD215MG Calibrator Agent Services message NOTE Depending on Window 7 security settings you may have to confirm the installation of different parts of the MD215MG Calibrator software several times 1 MD215MG Calibrator Agent Services and calibration sensor Chroma 5 driver NEC Display Solutions Ltd 6 5 When the installation of the related support software is completed the MD215MG Calibrator setup wizard starts Click Next gt to begin the installation of the MD215MG Calibrator software License Agreement G Calibrator Please take a moment to read the license agreement now
28. t External Sensor the external sensor is selected 9 This is the elapsed time since the display was turned on If the power save function is enabled or power is turned off the value returns to 0 Please disable the Windows power save function for this purpose NEC Display Solutions Ltd 19 After the verification of settings is completed if required install the external sensor properly gt Page 30 Then click Start to begin the display inspection 1 When inspection is completed the Finishing Display Inspection window is displayed together with the results Display Inspection Wizard Finishing Display Inspection Display inspection is completed O Display Inspection Result Pass Details Show Details Fig 21 Display Inspection finished Result Description O The inspection result passed Pass The inspection result failed Please perform a re calibration me of the display Fail Click on Show Details to display the details of the inspection results in in different graphs For how to read the graphs see gt Page 36 10 You can cancel inspection by pressing the ESC key on the screen during inspection or by clicking Cancel in the wizard Note After a certain stage has passed the process cannot be canceled NEC Display Solutions Ltd 20 3 4 Regular Contrast Response Test and Regular Contrast Measurement When MD215MG Calibrator is installed a display inspec
29. te and Time Configuration Comment Mar 3 2011 9 20 24 PM 1 Max Lusinance 400 0 cd m 2 Min L Mar 3 2011 8 31 47 PM i i 400 0 cdim 2 Min L Selected Items Monitori MD215MG 120PP017Gx Mar 3 2011 9 20 24 PM Fig 24 24 Record selection NEC Display Solutions Ltd 23 4 2 Test Pattern Display You can select between different methods to display full screen test patterns one Basic method and three advanced methods as proposed by the three different major QA testing standards AAPM TG18 DIN V 6868 57 m JESRA X 0093 To display a test pattern select Test Patterns on the main menu The selected test patterns are displayed on the selected display For all available test patterns see gt Page 33 10 x E MD215MG Calibrator Test Patterns NEC EA222WMe Please click the test pattern to hide this screen To display it click the test pattern again Serial Number 03104528UB Basic C AAPM TG18 DIN Y 6868 57 JESRA SMPTE White a Black Gradation NEC MD215MG mms Auto Sze Serial Number 120PP004GwW yr Pattern NEC MD215MG Serial Number 120PP005GWW 7 Fig 25 Test Patterns selection NEC Display Solutions Ltd 24 4 3 Options MD215MG Calibrator includes the following options to changing the software operation To change the settings open the Options tab on the main menu After you configure the
30. ting system Microsoft Windows 7 32 64 bit Microsoft Windows Vista 32 64 bit SP2 Microsoft Windows XP 32 bit SP3 64 bit SP2 Supported Menu English Languages Japanese Supported display MD215MG Max display attachment 6 displays total Supported calibration sensors X Rite Chroma 5 NEC Display Solutions Ltd Installation This chapter explains how to connect cables and install the hardware and software Make sure to log in as a user with administrative privileges on a local computer before starting installation of MD215MG Calibrator 2 1 Installing the Display Connect the DVI video cable and the USB cable as supplied with the display between the ports on the display and the computer For detailed information on cable connections including multiple display setup please refer to the MD215MG Installation amp Maintenance Guide USB cable Computer Fig 1 Computer to display connections NEC Display Solutions Ltd 5 2 2 Installing MD215MG Calibrator 1 From the MD215MG Calibrator Installation package start the MD215MG Calibrator exe installer 2 Some related support software will be installed first Please wait until this software is installed Depending on operating system this may take up to 2 minutes During the installation you will see this progress bar NEC MD215MG Calibrator Installer Installing software components Fig 2 Progress bar 3 During the in
31. tion is performed regularly and if an abnormality is found this is indicated in the task tray icon and in the Home tab of the main menu When an inspection error has occurred Display icon Task tray icon Fig 22 Error indication The inspection items are Setting Description Supported models Uses the front sensor to perform an inspection of the contrast response Contrast properties If the deviation calculated response test based on the properties greatly exceeds the standard value an error occurs MD215MG NEC Display Solutions Ltd 21 Useful Functions MD215MG Calibrator comes with useful functions for managing the accuracy of the display for medical images reproduction You can perform a detailed analysis of the display quality and manage complex display configurations 4 1 Calibration History You can display the results of previously performed calibrations and display inspections both graphically and numerically Displaying the detailed calibration information 1 Click History on the Home tab of the main menu 2 Select a display in the Calibration History section The calibration history for the selected display appears below 3 Select a record from the calibration history to display the detailed settings information in the Calibration Settings section alibration Histo Calibration Settings Display Name Monitor 1 Model Name MD215MG Serial Number 120PP017Gx Date and
32. xternal sensor When an external sensor is connected clicking Display Inspection enables the external sensor to be used When an external sensor is not connected the front sensor is used Important For more accurate display Inspection use the external sensor If the front sensor is selected and at least 60 minutes have elapsed since the display was turned on inspection begins immediately Otherwise the Starting Display Inspection window appears Check the following information on this menu Display Inspection Wizard Starting Display Inspection Please check the settings below Attach the calibration sensor in the center of the white patch and press Start Sensor X Rite Chroma5 13432 Elapsed time since the display is turned on 78 min Start Cancel Fig 20 Starting Display Inspection Sensor Displays the sensor which is used for inspection If a zero calibration with the sensor is required the Zero Calibration button is displayed Place the sensor on an even surface and click the button Not required in conjunction with the Chroma 5 external sensor Elapsed time since the display is turned on Displays the elapsed time since the display was turned on If the elapsed time is too short inspection cannot be performed accurately Wait at least 60 minutes after the display is turned on before beginning inspection 8 Ifthe sensor manual selection option is enabled gt Page 25 and you selec
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