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38 | Dome CXtra

Graph type

• Response graph. Plots the measured luminance at various driving

levels (P-values). Luminance is shown along the Y axis using
a scale that you select from three options: Linear / Lum, Linear /
Log Lum, and Linear / JND Lum. The graph consists of the
luminance values specified by the DICOM standard and the
luminance values measured during the conformance test.
The better the data points align with the curve, the better the
DICOM conformance.

Default 15 measurements of luminance taken on an 8-bit display

All 1024 measurements of luminance taken on a 10-bit display

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Summary of Contents for CXtra

Page 1: ...Dome CXtra User s Guide ...

Page 2: ...s of merchantability or fitness for a particular purpose NDSsi may revise this document from time to time without notice Go to web site www ndssi com for the latest documentation Some states or jurisdictions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you Information in this document about products not manufactured by N...

Page 3: ...ing Dome CXtra 14 RightLight Service 15 Configuring the RightLight Service 17 Running Conformance Tests 28 Checking Current Conformance Status 35 Reviewing Conformance Events 36 Reviewing Manual Conformance Data 37 Disabling RightLight Popup Warnings 42 White Level Calibration Service 44 MQSA Quality Control Tests 48 Scope 48 Materials Equipment 48 Configuring MQSA Test Reminders 50 Configuring th...

Page 4: ...scellaneous Test Patterns 96 Displaying Test Patterns 99 Adding a Custom Test Pattern 100 Modifying or Deleting Custom Test Patterns 102 Dome Visual and Interactive Evaluations 102 Backlight Saver Service 108 DIN Test Service 111 Setting Up for Testing 112 Running a DIN Acceptance Test 122 Running a DIN Constancy Test 123 Viewing DIN Test Results 125 AAPM TG18 Test Service 126 AAPM TG18 Test Setup...

Page 5: ...lays Dome CXtra support has been added for the Dome GX4MP display a 4 megapixel color unit with DVI video connectivity Support was added in previous versions of Dome CXtra for the GX2MP Plus display a 2 megapixel color unit with DVI connectivity Dome E3cHB and Dome S3c displays both 3 megapixel color units and Dome S3 a 3 megapixel grayscale unit all with DVI and DisplayPort video connectivity and...

Page 6: ...f you have a requirement to exceed the maximum limit of the preset White Level target range you can now do so but your display warranty becomes void Contact NDSsi Customer Care for more information European Reference Guidelines The EUREF guidelines organized by the European Reference Organization for Quality Assured Breast Screening and Diagnostic Services promotes mammography care of high quality...

Page 7: ... not supported on display systems using NVIDIA drivers previous to version 197 03 Installation Upgrades The installation procedure for Dome CXtra is now simpler faster and more reliable All services and features are installed by default To customize your installation you must deselect the service or application feature you do not wish to install White Level Calibration Correction of the display wh...

Page 8: ...onformance testing you can take all 1024 measurements for more precise testing results Using Dome CXtra with Dome Dashboard For best practice of using Dome Cxtra 6 x with Dome Dashboard 2 x observe the following requirement and recommendation When using Dome Dashboard 2 x make sure that Dome CXtra 6 x or later is installed on each CXtra workstation On the CXtra workstation limit the retention of h...

Page 9: ...lity of these display systems Dome Cx Dome Ex Dome Gx Dome Sx Select Desktops You can also install the Dome CXtra software on systems using third party commodity monitors to enable DICOM calibration See Enabling DICOM Calibration on Third Party Monitors on page 95 NOTE When you add or remove displays on the Windows desktop you must restart the Dome CXtra software by rebooting the system Refer to R...

Page 10: ...Grayscale Standard Display Function tests the calibration for conformance and allows the selection of individual displays to run the service at any given time Custom calibration and manual external sensor conformance testing require the LCD or LCD II photometer Backlight Saver Extends the clinical life of your display by turning off panel backlights during periods of inactivity you define MQSA Tes...

Page 11: ...se of CXtra services is display dependent Check the following table for display compatibility by service CXtra Service Dome Cx Dome Ex Dome GX4MP Dome Sx GX2MP GX2MP Plus Select Desktop RightLight 9 White Level Calibration Restoration of factory White Level calibration available only on Dome Ex Dome GX4MP and Dome Sx displays 9 MQSA Testing Service applies to Dome E5 and Dome S10 displays only 9 D...

Page 12: ...ware to a local disk drive only The software may not work properly if any components are installed on a network drive To install the Dome CXtra software 1 Log onto Windows with administrator privileges 2 Insert the installation CD and run setup exe 3 Follow the wizard instructions to complete the installation FIRST TIME INSTALLATION By default all services are selected for installation To customiz...

Page 13: ...dicates that the application is running successfully Installing or Removing Services You can add a service individually if you do not install it during the initial installation You can also delete a single service as necessary To install or remove an individual service 1 Log onto Windows with administrator privileges 2 Insert the installation CD and run setup exe 3 Follow the wizard instructions t...

Page 14: ...Next select System from the options Then on the next screen select Device Manager in the left pane 4 In the Device Manager dialog expand Other device Right click on the Calibrator node and select Update Driver Software 5 In the Update Driver Software dialog select Browse my computer for driver software and browse to cxtra install directory USBx64Driver for 64 bit operating systems Or browse to cxt...

Page 15: ...are Wizard does not appear connect the photometer directly to a USB port on the computer 4 Follow the wizard instructions until a window prompts you to select a driver for the device 5 Select Search for a suitable driver for my device and click Next 6 Select Specify a location and click Next 7 Navigate to the folder on your hard drive containing the photometer driver If you accepted the default lo...

Page 16: ...a status icon appears on the Windows taskbar to indicate application status The Success icon shows that the display is operating normally The Wait icon appears the application is starting up or restarting from a stop If the Warning or System Error icon appears check the History tab in the Reporting service and troubleshoot the error See Reporting Service on page 140 for detailed information Dome C...

Page 17: ...ick the Dome CXtra icon on the Windows taskbar If the Dome CXtra icon is not visible on the Windows taskbar open the menu by Windows Start All Programs NDSsi CXtra The menu is expanded to show the White Level Calibration service when the user is logged on as administrator For more information see White Level Calibration Service on page 44 and Logging On as Privileged User Administrator on page 138...

Page 18: ...ilege must enter an authorized username and password as prompted Exiting Dome CXtra If you need to exit close the application open the CXtra Services menu and select Exit NOTE Exiting from Dome CXtra may require a password See Privilege Service on page 138 for more information Uninstalling Dome CXtra Use this procedure to uninstall the entire Dome CXtra application To uninstall the entire applicat...

Page 19: ... at regular intervals Calibration adjusts the response of a display to conform to the response function you specify There are four calibration response functions one of which is a correction to the DICOM Grayscale Standard Display Function DICOM calibration is based on the unique characteristic curve stored in each display at the time of manufacturing RightLight routinely checks how well each disp...

Page 20: ...ome GX4MP and Dome Sx color displays you can set color coordinates for panel appearance in one of two ways Select an option for panel appearance with blue clear or default Use the LCD II photometer to perform color calibration when you specify color coordinates by color temperature Kelvin scale or by CIE xy coordinates NOTE Setting nondefault color coordinates can change the target luminance range...

Page 21: ... select RightLight Panel Configuration The RightLight Panel Configuration dialog appears with these tabs Backlight Calibration Ambient Color Front Sensor Rear Sensor External Sensor 2 Check the selection box for each display you want to configure or click Select All 3 Select a tab and change the settings as described in the following sections Click Apply to activate the changes without closing the...

Page 22: ...splay RightLight stabilizes the backlights of selected displays to attain the target white level Your system may require several moments for the white level to stabilize after adjustment Below are the default target white level at native color coordinates of Dome display models Display Default Target White Level Dome C2 600 cd m2 Dome C3 600 cd m2 Dome C3i 600 cd m2 Dome C5 400 cd m2 Dome C5i 500 ...

Page 23: ...y differ Equalize Causes all selected displays to be calibrated using the same dynamic range The system locates the selected display that has the smallest dynamic range and adjusts the range of the other selected displays to match it Specify Causes all selected displays to be calibrated using the specified dynamic range The system notifies you if any of the selected displays cannot achieve the spe...

Page 24: ...stic curve is the response function of the panel with no calibration applied This is the display function created by loading a linear gamma correction table or GCT No RightLight Calibration Turns off auto calibration Choose this response function if you are using an external calibration product such as the Dome Calibration TQA system Dome CXtra retains GCTs currently set or created by an external ...

Page 25: ...ing from the diffuse reflection of ambient illuminance Since typical Dome panels have a reflectance of 1 25 given illuminance E in lux you can calculate the luminance in cd m2 using this equation luminance 1 25 E π The default values are typical of reading rooms approx 50 lux moderately bright offices approx 200 lux and brightly lit offices approx 375 lux NOTE Choosing the Native or the No RightLi...

Page 26: ...xample with multiple displays when a discrepancy appears in color matching after you have selected an option in the Appearance field NOTE Only an administrator not privileged users can modify the color calibration setting The functionality is enabled only when the administrator is logged onto the system First click Color Calibrate to run the calibration wizard Next test and accept the calibration ...

Page 27: ...rs Click the selection box for the automatically scheduled and manual tests you want to run For the RightCheck White Level test enter a value for Tolerance Then check the scheduled or manual selection box or both for test alerts The RightCheck White Level test is classified a failure if the measured white level is outside the range defined by this percent applied to the Target Luminance defined on...

Page 28: ...tandard deviation of JNDs Just Noticeable Differences per digital interval EXAMPLE Maximum allowed 1 00 Result A test result of 0 421 passes because it is less than 1 00 Enter the number of measurement you want the system to take for this test For the front sensor the default number of measurements is 15 the minimum 5 the maximum 32 All If you run the Front Sensor Conformance Wizard with the selec...

Page 29: ...app or SNMP console To set alert parameters 1 For the rear backlight sensor select either the RightLight White Level test or the DOICOM LUM test or select both For the RightLight White Level test check the selection box Then enter a value for Tolerance The RightLight White Level test is classified a failure if the measured white level is outside the range defined by this percent applied to the Tar...

Page 30: ...ause it is less than 1 00 2 In the Log interval section enter a time interval and starting time for the first daily test in the hours starting at field RightLight logs the first set of conformance tests at the time specified and at regular intervals thereafter until the end of the day Enter a positive integer for hours and a time in the 24 hour format such as 13 30 This interval specifies how ofte...

Page 31: ...er the RightLight White Level test or the DICOM LUM test or both for external sensor conformance testing RightLight White Level test Check the selection box then enter a value for Tolerance The RightLight White Level test is classified a failure if the measured white level is outside the range defined by this percent applied to the Target Luminance defined on the Backlight tab Enter a value rangin...

Page 32: ...leted manual conformance test without applying the criteria of the DICOM LUM and White Level tests for Pass Fail determination Running Conformance Tests After you configure the RightLight service the conformance tests that you specified on the Front Sensor Rear Sensor and External Sensor tabs are set to run That is per your selections RightLight performs White Level tests or DICOM LUM tests or bot...

Page 33: ...or conformance test See page 138 To run the Front Sensor Conformance Test on demand open the CXtra Services menu select RightLight Conformance Front Sensor Conformance Test The test dialog appears onscreen while the conformance check is in progress The next dialog indicates test results View the report or click Finish Anytime later you can view results by opening CXtra Services menu Reporting Hist...

Page 34: ...ilege service installed you must log on as a privileged user before you run a manual conformance test See page 138 As with automatic conformance testing the manual conformance test shows how well your display conforms to the DICOM standard You are able to specify however the number of measurements to be taken See External Sensor tab on page 27 for configuration information See Installing the Photo...

Page 35: ...nal sensor conformance test 1 Open the CXtra Services menu Select RightLight Conformance External Sensor Conformance Wizard 2 Click Next to continue 3 Click Initialize RightLight Panels Upon completion of the process click Next to proceed ...

Page 36: ...ligned with the target by 15 percent or more a warning dialog appears You can choose to perform White Level calibration to the target ignore the warning and continue the measurement of conformance data or direct the Conformance Wizard to skip the display panel redo the initialization or close ...

Page 37: ...ight Service 33 5 Upon successful completion of the conformance measuring as indicated by the Success icon click Next You have the option to view the report via this dialog 6 Click Finish to close the wizard ...

Page 38: ...nd the tolerance set on the External Sensor tab page 27 then you can correct the warning by calibrating the white level via the conformance test Select the check box to correct the warning and click Next The wizard executes automatically Alternatively you can adjust the tolerance for the failing test to bring the display into conformance See also White Level Calibration Service on page 44 NOTE Whi...

Page 39: ...he results of the latest manual external sensor or front sensor conformance test open the CXtra Services menu Select RightLight Conformance Current Conformance Status In the same dialog you can also view the results of the latest automatic rear sensor conformance test ...

Page 40: ...and whenever it detects a status change NOTE When you make changes on the Rear Sensor tab conformance tests run immediately When you perform a manual conformance test the system also makes an entry in the Reporting History log To view a conformance event 1 Open the CXtra Services menu and select Reporting 2 Click the History tab to view a list of events 3 Select a conformance test event and click ...

Page 41: ... conformance testing with the external or manual sensor Auto conformance data cannot be viewed this way To see a detailed account of a conformance event Open the CXtra Services menu and select RightLight Conformance Conformance History Then select the Graphs or Tables tab Graphs tab To view or print a conformance test choose a graph type display and selected test date and time to view or print the...

Page 42: ...s Linear Lum Linear Log Lum and Linear JND Lum The graph consists of the luminance values specified by the DICOM standard and the luminance values measured during the conformance test The better the data points align with the curve the better the DICOM conformance Default 15 measurements of luminance taken on an 8 bit display All 1024 measurements of luminance taken on a 10 bit display ...

Page 43: ... the DICOM Luminance Uniformity Metric LUM and the line of best fit FIT These values are useful in quantifying the quality of conformance with the DICOM Grayscale Standard Display Function The closer the JND values are to the mean line the better the DICOM conformance Moreover the closer the calculated LUM metric is to 0 zero the better the DICOM conformance ...

Page 44: ...r which you want test results from the Display pull down list Select a particular conformance test by date and time from the Date pull down list Table type Response table Lists the luminance value measured for each luminance interval in a selected conformance test Conformance table Lists the following data values for a test Number of measurements Mean value of JND Luminance Interval Best fit FIT l...

Page 45: ...RightLight Service 41 Color table Lists the following data values by Kelvin scale or CIE xy coordinates ...

Page 46: ... the notice on page 43 before disabling any popups To disable RightLight popup warnings 1 Open the CXtra Services menu and select CXtra Preference 2 Check the box in the Disable RightLight Popups field 3 Click OK NOTE The CXtra icon on the Windows taskbar continues to show warning conditions from the RightLight service and RightLight warnings continue to be recorded in the CXtra history log ...

Page 47: ...venience for those who choose not to view popup warnings and accordingly agree to assume the risk of any and all consequences of not viewing such messages DOME DOES NOT RECOMMEND THE DISABLING OF THIS IMPORTANT POPUP SAFETY FEATURE LIMITATION OF LIABILITY BY DISABLING THE POPUP FEATURE THE CUSTOMER OWNER AND ANY USER ACKNOWLEDGE THAT SUCH CUSTOMER OWNER OR USER UNDERSTANDS AND ASSUMES ALL RISKS AN...

Page 48: ...hanges such as when new external photometers are installed at your facility IMPORTANT Only administrators can calibrate the white level via the White Level Calibration service and restore factory calibration White level calibration is available for use on all Dome Cx Dome Ex Dome GX4MP and Dome Sx displays Restoration of the factory white level calibration is available for Dome Ex Dome GX4MP and D...

Page 49: ... log on as administrator the CXtra Service menu expands to include two functions White Level Calibration Wizard and Restore Factory White Level Calibration See Logging On as Privileged User Administrator on page 138 Two additional functions appear on the CXtra Services menu White Level Calibration Wizard and Restore Factory White Level Calibration when an administrator is logged on to calibrate th...

Page 50: ...Restoration of the factory white level calibration is available only for Dome Ex Dome GX4MP and Dome Sx displays To calibrate the white level First open the CXtra Services menu and click White Level Calibration Wizard Next click Yes to proceed in replacing the factory calibration data with the calibration data to be measured at your site Then follow the calibration wizard to reinitialize the displ...

Page 51: ...nal sensor conformance testing Factory calibration can be restored for Dome Ex Dome GX4MP and Dome Sx displays To restore factory calibration Open the CXtra Services menu and select Restore Factory White Level Calibration Click Yes to restore factory calibration After the factory calibration is restored the Restore Factory White Level Calibration function is grayed out on the CXtra Services menu N...

Page 52: ...accessible only via the CXtra Services menu or the Windows Start menu With the Dome S10 display you can access the wizard via the MQSA button as well as by the CXtra Services menu or Windows Start menu A mini USB cable connecting the display to the computer system is required for button functionality Scope The quality control tests are appropriately applied to the displays when they are specifical...

Page 53: ...ts daily monthly and quality control for medical physicists quarterly biannually annually options included to maintain the display First configure the software for test reminders Then when you see the reminders carry out the procedures for daily testing monthly testing and quality control testing for medical physicists as suitable for your facility and environment MQSA commands on the CXtra Servic...

Page 54: ... Setting test reminders facilitates the MQSA quality control activities You must log on as a privileged user to set up or modify the MQSA test configuration Be sure the Privilege service is installed Also see page 138 Then use the CXtra Services menu to access the MQSA Test Configuration dialog for setting up and later modifying test reminders NOTE For Dome S10 display only If the MQSA light is fl...

Page 55: ...k the button again to restart the countdown of the test postponement time 5 Set the daily test reminder Use the pull down arrow to select a time for any or all weekdays Click the corresponding selection box es to enable the daily test for the day s On the Dome S10 display configure the warning light indicator See To configure the warning lights for test reminders below 6 Set the monthly test remin...

Page 56: ...le only for Dome S10 display installations A yellow or blue glowing pattern means a test is due No glowing of either color means all quality control activity is completed until the next due date The LEDs are ranked by priority of tests For example if two categories of tests are due and using the same indicator color the indicator of the higher ranking test activates Upon completion of that test th...

Page 57: ... click the warning light button in that field NOTE The default or previously selected pattern appears on the button face For Dome S10 display only When you hold the mouse over the warning light button you can preview the selected light pattern via the MQSA button 3 Choose a color and select a pattern for that color Drag the horizontal scroll bar to set the LED brightness level 4 Click OK ...

Page 58: ...f each category of tests After a test is completed the wizard shows the next due date of that test Accessing the Test Wizard via the MQSA button When you press the MQSA button you gain access to each test category as well as a toggle button that allows you to ignore a test reminder for the length of the time you specified in the configuration dialog or to reset the ignore period The Ignore Test co...

Page 59: ...isible Accessing the Test Wizard via the Windows Start menu The test wizard that appears is equivalent to that accessible via the MQSA button To access the test wizard go to Windows Start All Programs NDSsi MQSA MQSA Test Wizard that appears via the MQSA button Dome S10 display only and via the Windows Start menu Dome E5 and Dome S10 displays The Ignore Tests Reset Ignore Tests toggle button is vi...

Page 60: ...the display or screen Some chemical cleaners may damage the display Do not use chemically treated dust cloths acetone toluene or harsh solvents on the display case or the screen They can damage the polarizer and the display case NOTE Any other cleaning methods may lead to damage of the anti reflective screen coating Procedure Care must be taken when cleaning the display screen not to press too har...

Page 61: ...erify that it is free of dust fingerprints and other marks The screen must be free of dust fingerprints and other marks If these results are not obtained the source of the problem must be identified and corrective action taken before any further mammographic images are reviewed or interpreted using the Dome display To complete the daily control test record 1 Open the Test Wizard and click Daily Qu...

Page 62: ...Hover the mouse over the italic text to read the tooltips for materials required and procedures 4 Review the light conditions according to the most recent medical physicist s evaluation posted in the reading room Click the selection box for each parameter if conditions are met Enter a description of the ambient light 5 Click Submit to finish 6 Click View Report or Close You can view the daily qual...

Page 63: ...ality control test are not met this dialog appears when you click Submit Return to the quality control test dialog and follow procedures to remedy any deficiency Or click Ignore if you know for sure that the deficiency does not impede display quality or performance ...

Page 64: ...sible Verify that the 95 100 contrast is visible Verify that each gray level step from 0 to 100 can be distinguished from the adjacent squares Verify that you can for example distinguish the 0 square from the 10 square or the 90 square from the 100 square Verify that the alphanumeric characters that appear on the pattern are sharp and in focus For example examine the signs that label the steps of ...

Page 65: ...control test record 1 Click Monthly Quality Control Test on the wizard The SMPTE pattern appears on each display connected to the system 2 Examine the display screen Click the Check All button if all conditions are met Click Next to inspect another display ...

Page 66: ...62 Dome CXtra 3 Repeat the procedure for any other display s Then click Submit to finish 4 From either the Normal Mode or the Expert Mode enter tester s name to complete process Click Submit to finish ...

Page 67: ...ality Control Tests 63 5 Click View Report or Close You can view the monthly quality control test report on the screen or print it Click Close when finished Then clear the Test Completed dialog from the screen ...

Page 68: ...impede display quality or performance Expert Mode When you select the Expert Mode option on the MQSA Test Configuration dialog you can quicken the visual inspection of the monthly quality control test The following dialog appears After examining the display screen s click the All Pass button if no problems are found Otherwise click Edit Response to mark the area of screen that fail inspection Clic...

Page 69: ...t evaluation that must be performed following the installation of a Dome display the repair or replacement of a major component of the system the relocation of a Dome display to another viewing location or the substantial change of illumination in an existing viewing environment You must conduct the medical physicist series of quality control tests at least annually Use the test configuration dial...

Page 70: ...ecord the site and system data 1 Click the Site and System Summary button on the wizard 2 Fill in the facility ID address and display location information 3 Use the pull down arrows to enter the date of installation and the date of survey 4 Enter the name of the medical physicist 5 Click Submit to finish ...

Page 71: ...ted luxmeter with a minimum resolution of 1 lux To set optimal viewing conditions Turn the lights off and close any doors and windows to make the room as dark as possible Turn on the displays at least 30 minutes before starting the measurement Position the displays used for reading digital images in optimal conditions Reduce to the minimum any lighting coming from other sources such as view boxes ...

Page 72: ...uration has changed the source of the problem must be identified and corrective action taken before any further mammographic images are reviewed or interpreted using the Dome display To record the viewing conditions 1 Click Viewing Condition Check and Setting button on the test wizard 2 Enter the room description and room trait 3 Load the drawing of the valid reading room configuration 4 Click Sub...

Page 73: ...opriate level for the reading of mammographic images on the Dome display Conduct the display calibration at least annually NOTE You must power on the Dome display at least 30 minutes before doing any measurements This is mandatory to ensure that the backlight heating has reached steady state Be sure the external photometer is installed into an available USB slot either on the back of the display s...

Page 74: ... display calibration 1 Click the Display Calibration Check button on the test wizard 2 Click Next to access the External Sensor Conformance Wizard 3 Click Next to launch the wizard Be sure the photometer is already installed ...

Page 75: ...er on an opaque surface then click Initialize When the initialization is completed click Next when the button is enabled 5 Place the photometer on the target and click Measure After the measurement have been taken click Next when the button is enabled ...

Page 76: ...72 Dome CXtra 6 Upon successful test completion click Next If the conformance test fails click the selection box to correct the warning The wizard repeats ...

Page 77: ...ammographic images on the Dome display Conduct an image quality of the SMPTE pattern at least annually The calibration check was designed to be performed with the SMPTE pattern built into the Dome CXtra software Using any other pattern particularly a pattern that is displayed with another image viewer tool could result in failing the test and causing the display to be out of compliance with test r...

Page 78: ... For example examine the signs that label the steps of the gray scale Verify that the high contrast line pair images at the center and corners of the SMPTE pattern are distinguishable NOTE The SMPTE pattern shown via the Dome CXtra software has five sets of high contrast and five sets of low contrast line pair patterns One set of each is in the center of the image and one set of each is in each co...

Page 79: ...rol test record 1 Click Monthly Quality Control Test on the wizard The SMPTE pattern appears on each display connected to the system 2 Examine the display screen Click the Check All button if all conditions are met Click Next to inspect another display ...

Page 80: ...76 Dome CXtra 3 Repeat the procedure for any other display s Then click Submit to finish 4 From either the Normal Mode or the Expert Mode enter tester s name to complete process Click Submit to finish ...

Page 81: ...teps to inspect the display screen for defects With the displays off or in the dark state view for scratches and gouges Record on the form those that are not admissible for mammography reading With displays turned on prepare the displays for the inspection of dots and debris You can do this by using the Windows Desktop popup menu Place the cursor anywhere on the desktop Right click to open the pop...

Page 82: ...anel for visible black dots and other foreign debris Record those that are not admissible for mammography reading Place the cursor anywhere on the desktop Right click to open the popup menu and select Properties Select the original background and click OK To complete the control test record 1 Click the Analysis of Screen Defects button on the wizard 2 Record the results of the inspection on the di...

Page 83: ...MQSA Quality Control Tests 79 The quality control testing for medical physicists is completed for the current cycle Click Finish Click View Report or Close ...

Page 84: ...80 Dome CXtra You can view the quality control test report on the screen or print it Click Close when finished then clear any remaining dialog from the display screen ...

Page 85: ...alues of your display In addition to the DICOM response function you can choose to use the exponential gamma or original response function When you add all functions to the CXtra Services menu you can switch quickly from one response function to another Moving from one response function to another causes an immediate change to the display calibration The DICal service also allows you to test your ...

Page 86: ...rrect model number is visible skip to step 5 If the model number is incorrect continue to step 4 4 Click Edit Type select the model number of the display from the drop down list and click OK NOTE Displays listed have been characterized therefore the Characterize button is disabled You cannot recharacterize a display that has been characterized previously 5 Open the Calibration tab and select DICOM...

Page 87: ... to your display settings whenever you select Desktop DICOM Calibration from the services menu No other steps are needed to apply the DICOM calibration after installation To apply the original calibration each time you start the system leave the box unchecked To apply another response function choose from the options on the Calibration tab See Choosing Display Calibration on page 84 NOTE For prope...

Page 88: ... Function Exponential Response Function Calibrates to an exponential log linear response function The logarithm of the luminance is a linear function of the digital driving level Gamma Response Function Calibrates to a gamma nonlinear response function The default value is 2 2 The range extends from 1 5 to 3 5 the CRT gamma standard ranges from 2 0 to 2 5 Original Response Function Calibrates the ...

Page 89: ...ange to the display calibration NOTE If a photo editing program or other Windows application performs a color calibration while DICOM Calibration is selected the DICal menu selection switches to Original Calibration and a warning appears To reapply the DICOM calibration select the command from the services menu or the DICal Panel Configuration dialog Performing a Custom DICOM Calibration A custom ...

Page 90: ...ion Calibration Wizard 4 Follow the instructions for using the photometer in each Calibration Wizard window and click Next NOTE Abort the calibration at any time by pressing Ctrl C 5 If necessary verify that your display calibration conforms to the DICOM standard See page 88 for instructions NOTE If you change panel brightness using the brightness control on the display you must repeat the precedi...

Page 91: ... a calibration To review a calibration event 1 Open the CXtra Services menu and select Reporting 2 Click the History tab to see a list of events 3 Click a DICal service calibration event then click View Detail to see detailed information about the event NOTE Only calibration and test status events have detailed information available ...

Page 92: ... indicates that the display conforms to DICOM standards click Next or Finish Go to step 5 If the last DICal Conformance Wizard window contains a warning click Next or Finish to close the window Perform a custom DICOM calibration as described on page 85 After calibration perform another conformance test Start at step 1 5 If necessary review the conformance test data and test events according to ins...

Page 93: ... to output the graph currently on the screen Graph Type Response Presents the luminance values at various luminance intervals P values Luminance is shown along the vertical axis using a scale that you select from three options Linear Lum Linear Log Lum and Linear JND Lum The Response graph consists of a curve and a set of data points The curve shows the luminance values specified by the DICOM stan...

Page 94: ...nterval These values include the Luminance Uniformity Metric LUM DICOM metric value and the FIT line expression used to quantify the degree of conformance In general the closer the JND values are to the mean line the better the DICOM conformance In addition the closer the calculated LUM metric is to 0 zero the better the DICOM conformance ...

Page 95: ... particular conformance test by selecting the data and time for the test in this drop down list Use Print Table to output the data currently on the screen Table Type Response Presents the luminance value measured for each luminance interval in a selected conformance test Conformance Shows the following data values for a selected test Number of measurements Mean value of JND Luminance Interval Best...

Page 96: ...ents The Dome CXtra system records an event in the History event log each time you complete a conformance test To review a conformance test event 1 Open the CXtra Services menu and select Reporting 2 Click the History tab to see a list of events ...

Page 97: ...al Service 93 3 Click a conformance test status event then click View Detail to see a summary of information about that test NOTE Only test events and calibration events have detailed information available ...

Page 98: ...ave the panel type with a unique name After you generate the data file you can export it to other systems to characterize identical displays Characterizing a Display Run the Characterization wizard from one of two locations Open the CXtra Services menu and select DICal Calibration Characterization Wizard Open the CXtra Services menu and select DICal Panel Configuration Highlight the display and cl...

Page 99: ...older on the other system Enabling DICOM Calibration on Third Party Monitors After characterization operate the third party monitor with Desktop DICOM Calibration enabled You can undo the Panel Type selection for third party monitors using Edit Type Choose Not characterized and click OK ...

Page 100: ... Test Patterns AAPM TG18 patterns provided with the Test Patterns service are described in American Association of Physicists in Medicine AAPM Task Group 18 Assessment of Display Performance for Medical Imaging Systems Pre print Draft v9 0 October 9 2002 Different pattern sets allow you to assess six different display characteristics The table on page 97 shows the six sets of AAPM TG18 patterns pr...

Page 101: ...ibration series TG18 UN Visual 2 Luminance and color uniformity and angular response TG18 UNL Quant 2 Same as above with defining lines TG18 AD Visual 1 Contrast threshold at low luminance for evaluating display reflection Resolution TG18 RH Quant 3 5 horizontal lines at 3 luminance levels for LSF evaluation TG18 RV Quant 3 5 vertical lines at 3 luminance levels for LSF evaluation TG18 PX Quant 1 ...

Page 102: ...alues TG18 NS Quant 3 Similar to RV RH 5 uniform regions for noise evaluation Glare 1K only TG18 GV Visual 2 Dark spot pattern with low contrast object TG18 GQ Quant 3 Dark spot pattern for glare ratio measurement TG18 GA Quant 8 Variable size dark spot patterns Anatomical TG18 CH Visual 1 Reference anatomical PA chest pattern TG18 KN Visual 1 Reference anatomical knee pattern TG18 MM Visual 2 Ref...

Page 103: ...us sign beside a test pattern set to see variations of the test pattern NOTE Some AAPM TG18 patterns have variations such as 10 50 and 80 On display systems configured for 10 bit imaging you can view the horizontal and vertical ramps to see the differences in 8 and 10 bits per pixel On the horizontal ramp the top half is 10 bit the bottom half 8 bit On the vertical ramp the left half is 10 bit the...

Page 104: ... bar 5 To exit the test pattern and the dialog click Close Adding a Custom Test Pattern You can add test patterns of the following types to the Display Test Patterns dialog described in the preceding section DCM or DC3 DICOM JPG TIF or TIFF To add a custom test pattern 1 If the Privilege service has been installed log on as a privileged user See page 138 2 Open the CXtra Services menu and select T...

Page 105: ...lect a dcm dc3 jpg tif or tiff pattern file 6 If appropriate select a view option Zoom to fit Select a sizing method of Bilinear or Nearest Neighbor if you choose this option Ramp grayscale 7 Click Open The selected pattern appears in the Add Modify and Delete a Custom Test Pattern dialog 8 To add another custom pattern return to step 4 If you are finished adding patterns click OK ...

Page 106: ...pen the dialog again 5 Click OK to save any changes close the dialog and close the test pattern if displayed Dome Visual and Interactive Evaluations The evaluations help you assess the image quality of the display panels at various locations and for various shades of gray These tests can be launched manually or scheduled to run at specific times on local Dome CXtra enabled workstations The tests c...

Page 107: ...Test Patterns Service 103 When invoked the Test Patterns Evaluation dialog allows you to run the Dome Visual Test or the Dome Interactive Test or both Use Setup to configure test parameters ...

Page 108: ... run the results of both tests are logged into Reporting History Run Both Tests This option runs both tests on all supported displays connected to the Dome CXtra enabled workstation The Dome Visual Test runs first on the displays followed by the Dome Interactive Test After the test is run a Test Complete dialog appears where you are prompted to enter your name configurable and have the option to v...

Page 109: ...or both tests can be forced from the Dome Dashboard console on targeted Dome CXtra enabled workstation Start the test when it pops up Setup Setup allows you to configure the parameters related to test scheduling pattern selection and other general parameters The Setup dialog include three categories Schedule Patterns and General Schedule Open this tab to select the test time test frequency and the...

Page 110: ...e to black Eight step gradation from black to white Eight step gradation from black to gray Eight step gradation from gray to black Each gradation has a random character in which the gray shade is 5 more or less than the background gradation gray shade When Random pattern type is used by default or choice you see a randomly selected pattern each time the test is invoked You can place these pattern...

Page 111: ...is invoked Open this tab to configure these three parameters Prompt for Tester name Enter your name after test completion If this option is disabled the software labels the user Anonymous View failed test as warning Set the message box to report test failure as a warning dialog or an information dialog Minutes to wait for Later option Configure the time in minutes for the test to reappear This fun...

Page 112: ... inactivity exceeds this value The service lets you define one or more saver periods during each day of the week You can specify a different inactivity or sleep after value for each saver period you define CAUTION The Backlight Saver service controls Window power options only within defined periods During undefined periods Windows power options and screen saver are used Also see Notes on page 110 ...

Page 113: ...24 hour format NOTE Be sure the saver period does not overlap a period created earlier 5 Enter an integer value to define the Sleep After parameter in minutes During this saver period the backlight turns off when a period of inactivity exceeds this time 6 Click OK The new saver period appears in the Periods for Selected Day s text field of the Backlight Saver window 7 Repeat steps 2 to 6 to define...

Page 114: ...o see the schedule 3 Click OK Notes You can overwrite the current Backlight Saver period by changing the Windows power options within any defined period The original setting for Windows power options is restored at the end of the defined period To change Windows power options permanently edit the settings at one of three times during an undefined period after the current Backlight Saver period is ...

Page 115: ...play performance The tests detect degradation by measuring deviation from performance values recorded during the acceptance test Application category A includes image display devices for the diagnosis of digital images taken by means of projection radiography including storage phosphors or solid state detectors for example of the skeleton thorax or mamma However image display devices for the diagn...

Page 116: ...tically but it is a contact device and is less suited for use in DIN testing You can use other photometers that meet the requirements of a DIN evaluation but you must manually enter the photometer measurements during the tests Setting Up for Testing The DIN Test service presents a wizard that helps you determine whether the selected display device meets the DIN standard Part of this process involv...

Page 117: ...st Service 113 To set up the display for testing 1 Open the CXtra Services menu and select DIN Test The DIN Test service dialog appears 2 Click Setup The DIN Test Setup dialog appears open to the Location tab ...

Page 118: ...114 Dome CXtra To set up entries on the Location tab Enter descriptive text and click Apply ...

Page 119: ...ab 1 Complete the Display and Performance Class fields 2 Select Yes or No for the three installation questions select the display matrix require and click Apply NOTE The descriptive information in the middle of the display is read only and cannot be changed ...

Page 120: ... the measured values in the test wizard dialogs 2 If you selected Other in step 1 type the name of the photometer manufacturer in the Manufacturer field 3 Enter the photometer serial number in the Serial Number field 4 On the COM Port pull down list select the COM port used to connect the photometer to the computer 5 Click Apply If you selected Other in step 1 a message reminds you to manually ent...

Page 121: ...et up entries on the Medical Image tab To use an image other than the default image achest dcm click Browse and select an image Click Apply NOTE A landscape image chestah dcm is available in the installation folder s dat folder ...

Page 122: ...ome CXtra To view information on the Reference Values tab Open the Reference Values tab to view information about the most recent successful DIN acceptance test Click Apply NOTE This information is read only ...

Page 123: ...rvice 119 To set up entries on the Constancy tab 1 Open the Constancy tab to set DIN constancy test parameters The tab shows the previously saved constancy settings for the display identified in the Display field ...

Page 124: ...Dome Sx displays Contrast Stability is always shown as Not Present 3 To use thresholds and test intervals other than those in the DIN specification not recommended change them as desired in the Measurement Tests and Visual Tests sections of the tab NOTE Do not use thresholds greater than 50 4 To create a reminder entry in the history log and change the Dome CXtra icon on the taskbar to warning sta...

Page 125: ...DIN Test Service 121 To specify language on the Reporting tab 1 Open the Reporting tab and select your language English or German 2 Click Apply or OK ...

Page 126: ...ame on the setup pull down list type the photometer readings into the field provided in the test wizard dialogs 4 After completing the last wizard dialog click Finish If the test was successful a message prompts you to save the measured values as reference values 5 To save the measured values on the Reference Values tab of the Setup dialog click Yes To continue without saving the measured values a...

Page 127: ...run a DIN constancy test See page 138 To run a DIN constancy test 1 Open the CXtra Services menu and select DIN Test 2 Click Run Constancy Test to open the test selection dialog 3 Select the constancy tests you want to run and then click OK 4 Using the photometer identified in the setup procedure follow the instructions provided by the test wizard NOTE For photometers not identified by name on the...

Page 128: ...st 7 Click Save Report NOTE Click Save As to store the report as an RTF file at a specified location on your hard drive In this format you can use common word processing applications such Microsoft Word or Wordpad to view the report or attach the file to e mail transmissions 8 To view the results of the test immediately click View Report To view the results at another time see Viewing DIN Test Res...

Page 129: ...ncy test the results are recorded in the history log You can use the Reporting service to view the results at any time with the following steps 1 Open the CXtra Services menu and select Reporting 2 Click the History tab 3 Click the line corresponding to the test results you want to view and then click View Detail ...

Page 130: ... of this discussion the task group defines evaluations that you can use to measure the various characteristics of your display device The task group recommends a test consisting of several evaluations for acceptance testing to ensure a new display initially provides image quality suitable for the healthcare environment For ongoing maintenance the report recommends daily monthly quarterly and annua...

Page 131: ...display requires a spot photometer designed for use with LCD panels The TG18 Test supports the following photometers Wellhofer LXplus Minolta LS 100 The TG18 Test service automatically reads measurements from these supported photometers You can use other photometers that meet the requirements of a TG18 evaluation but you must manually enter measurements during procedures requiring a photometer NOT...

Page 132: ...nge the operating parameters at any time to meet changes in equipment or required testing Before starting the setup procedure install a photometer on your computer that meets the requirements of evaluations you plan to complete You need the photometer serial number and the number of the COM port used by the device To access the Setup Information dialog 1 Select AAPM TG18 Test on the CXtra Services...

Page 133: ...r If you select a supported photometer the system automatically lists the manufacturer s name in the field provided 2 If you selected Other type the manufacturer s name 3 Enter the photometer serial number 4 Select the COM port used to connect the photometer to the computer on the COM Port pull down list 5 Click Apply If you are not using a supported photometer a system warning message explains th...

Page 134: ...name is the paragraph number that describes the evaluation in the TG18 document 2 Select a test in the Select Test to Configure list During an initial setup the system automatically selects recommended evaluations for a test by checking in the selection box next to each evaluation name If the test was redefined during previous setup activity the system shows the evaluations currently selected Add ...

Page 135: ...for all four tests not just the currently selected test 3 Repeat steps 1 and 2 for each test 4 Click Apply To set up entries on the Location tab 1 Open the Location tab to select a display in the Display pull down list The system lists a name in the field to the right if the display is a recognized type 2 Fill in the fields provided If you want the same information saved for each display on the sy...

Page 136: ...elect a display in the Display pull down list The system supplies values for the attributes shown if known 3 Designate the selected display as Primary or Secondary performance class by clicking the appropriate radio button Designate a display as Primary Class A if it is used for medical interpretation All other displays should be designated Secondary Class B The default designation is Primary 4 Re...

Page 137: ...t tested Dome CXtra provides reminders for only those tests that are enabled The routine tests daily monthly annual are not enabled until an acceptance test has been completed for a given display and the report saved for a given display 1 Click the Reminder tab 2 Toggle a check mark into the selection box for each reminder period you want If you select Monthly Quarterly you also need to indicate h...

Page 138: ...an complete the following tests for each display Acceptance Test A non scheduled set of evaluations used to determine if the performance of a new display panel is satisfactory Monthly Quarterly Test A set of evaluations that you can choose to complete at 30 or 90 day intervals Daily Test Evaluations you want to complete every day Annual Test Evaluations completed only once a year The routine tests...

Page 139: ...ich prompts you to complete each evaluation in the test Where necessary you enter measurement or evaluation data as you complete each evaluation NOTE Some evaluations require you to complete multiple wizard dialogs The Skip button at the bottom of each wizard dialog moves to the next evaluation and not to the next dialog in the current evaluation After completing all evaluations in the test you ha...

Page 140: ...lick View Report for a summary of evaluations completed Click Save Report to store the information Click Save As to store the information as an RTF file at a specified location on your hard drive In this format you can use common word processing applications such Microsoft Word or Wordpad to view the report or attach the file to e mail transmissions You must save the report for the test to be adde...

Page 141: ...ou click Save Report Dome CXtra records the test event in the History log You can then use the Reporting service to view events in the History log Select the TG18 Test event in the log and click View Detail to review saved test results ...

Page 142: ...ivileged User Administrator NOTE Passwords are case insensitive You can change the password by following the instructions on page 139 To log onto Dome CXtra as a privileged user administrator 1 Open the CXtra Services menu and select Privileged User The Privileged Logon dialog opens 2 Select either Administrator or Privileged in the Privilege field 3 Enter your user password in the Password field ...

Page 143: ...t of Privileged Mode To prevent unauthorized users from changing Dome CXtra settings log out when leaving the system unattended To log out Open the CXtra Services menu and select Non Privileged User Changing Your Password To change your privileged user password 1 Open the CXtra Services menu and select Privileged User to open the Privileged Logon dialog 2 Click Change to open the Change Password d...

Page 144: ...ts are status messages transmitted at regular intervals by each CXtra service Events are recorded in the History log The log contains routine events and error messages and events useful in troubleshooting system error conditions NOTE The Reporting Backlight Saver and Privilege services do not create History events Viewing Reports Open the CXtra Services menu and select Reporting The Reporting wind...

Page 145: ... information about the display system components and operating parameters Click the plus sign beside any heading to display subordinate items containing detailed information Check the display properties under the RightLight service to see both the current and the maximum supported bits per pixel ...

Page 146: ...tory tab displays events recorded in the History event log The events appearing in the History log are dependent on each service and typically record changes that may be useful for capturing history or troubleshooting an error condition ...

Page 147: ...lter In the Filter section on the right side of the list you can select Current Only to display only the most recent events The alternative is to select History to display all events View Details Select an event and click View Details to display detailed information in a message box if available Not all events have detailed information available You can also display this information by double clic...

Page 148: ...ing sound To view or change the retention period Open the CXtra Services menu and select CXtra Preference Click Retain to save events for the specified number of days Events older than the specified number of days are deleted unless Dome CXtra is in a warning or error status You can change the number of days by entering an integer from 7 to 1000 in the days field The default setting is 365 days on...

Page 149: ... Popups field to deactivate all some or none of the popups for all of the Dome CXtra software Check the box in the Disable RightLight Popups field to deactivate popups only in the RightLight service You can use the selections of both field to deactivate a combination or set of popups For example check the box in the Disable RightLight Popups field and select Information in the Disable All Popups f...

Page 150: ...rk Management Protocol service have a system administrator decide on all settings to be sure this service operates in accordance with local network policies For information on installing SNMP see Configuring the SNMP Service on page 148 SNMP Setup with Firewall Protection Note the following for setting up the SNMP service with your system s firewall protection The SNMP port is 161 the protocol UDP...

Page 151: ...vice has been tested with Dome Dashboard software and the Castle Rock SNMPc console application The SNMP Model Managing network components with SNMP is based on a manager agent model When managing a number of displays from a central location the computer associated with each display is designated as the agent The SNMP console application running at the central location is designated as the manager...

Page 152: ... Windows XP open the Control Panel then go to Add Remove Windows Components to select Management and Monitoring Tools Follow the instructions for installing the Simple Network Management Protocol Configure the SNMP service To configure the SNMP service You can configure the SNMP service automatically with the silent installation procedure See Silent Install on page 156 Use the following procedure ...

Page 153: ...ervice Properties dialog 1 Open Control Panel Administrative Tools Services to see a list of installed services 2 Right click the SNMP service name and select Properties on the popup menu to open the General tab of the SNMP Service Properties dialog ...

Page 154: ...dd to List Dome Dashboard users Be sure the community name matches the SNMP trap community shown on the Dashboard Edit Workstation dialog Network Configuration tab 3 Create a list of trap destinations Click Add to open an SNMP Service Configuration dialog 4 Enter information for each destination Dome Dashboard users The host name IP or IPX address must match the name of the workstation on which Do...

Page 155: ...efine one or more consoles as trap destinations 5 Click Apply to save your entries on the Traps tab To enter security information 1 Click the Security tab in the SNMP Service Properties dialog The accepted community name should match the SNMP communities entered in the Dashboard Edit Workstation dialog Network Configuration tab 2 Click Add in the Accepted community names section to open the SNMP S...

Page 156: ...Accept SNMP packets from any host or Accept SNMP packets from these hosts If you select the latter then do the following Click Add to open an SNMP Service Configuration dialog Type the host identifier of the computer running your SNMP console application Click Add 6 Click OK to close the SNMP Service Properties dialog and save your settings NOTE Dome Dashboard defaults all community names to publi...

Page 157: ... to Warning or Failure the display agent sends a trapStatusChanged trap For example if an external application changes the calibration from DICOM Calibration to Original Calibration the DICal service changes the Dome CXtra system status to Warning and sends the trapStatusChanged trap To have traps sent when the Dome CXtra system status changes to Success set snmpSuccessTraps to true in the sysDOME...

Page 158: ... changed trapFPConnectionFailed obsolete in version 3 0 Connection to RightLight service failed trapFPAlert obsolete in version 3 0 Flat panel white point cannot be achieved trapFPLUMTest obsolete in version 3 0 Flat panel LUM test failed trapFPWhiteLevelTest obsolete in version 3 0 Flat panel White Level test failed trapFPAlertEx obsolete in version 3 0 Flat panel alert trapBacklightSaverConnecti...

Page 159: ...y and too large due to the client window scaling by Windows To correct this after selecting 150 Text size select Set custom text size DPI in the left pane Then check the Use Windows XP style DPI scaling checkbox and click OK NOTE Applies to Windows 7 systems only Problem Possible Cause Solution Blue screen crashes Displays dropping out or changing resolution unexpectedly Dome CXtra not starting pr...

Page 160: ...ith CXtra 6 2 2 SNMP service configuration for Dome Dashboard is supported File Syntax Note the following conditions of operation Lines beginning with a semicolon are ignored Each uncommented line specifies one service that gets installed A comma is the necessary and only allowable delimeter White spaces at the beginning and end of servicenames options option values are ignored Options that need a...

Page 161: ...ill not be installed with Privilege unless explicitly listed ManageTestPatterns will not be installed with testpatterns unless explicitly listed If servicename is SNMP the following options are allowed option string value description dashboardserver nameofdashboardserver Name of IP address of workstation where Dashboard Server is installed dashboardcommunity nameofcommunity Name of dashboard commu...

Page 162: ...Ambient low moderate high Sets the quality of ambient brightness Measurements integer from 5 to 256 Sets the number of measurements during conformance DynamicRange equalize maximize Sets contrast ratios over time for the luminance of light to dark Tolerance integer from 0 to 25 Sets the tolerance percentage for white level TargetWhiteLevel integer Sets target white level in cd m2 DisablePopUps N A...

Page 163: ...rements during conformance no popups Dome Dashboard Server and Community and the ambient brightness BEGIN FILE rightlight ambient low measurements 32 dynamicrange equalize tolerance 10 targetwhitelevel 500 disablepopups disablerightlightpopups testpatterns snmp dashboardserver ndsddv2 dashboardcommunity ddv2community privilege END FILE ...

Page 164: ...er 50 51 MQSA warning light indicator 52 RightLight service 17 SNMP service 148 conformance 92 auto testing 30 checking current status 35 front sensor 29 manual testing 27 29 30 69 scheduled manual testing 29 table type 40 viewing event detail 36 wizard for manual testing 30 conformance history Graphs tab 89 Tables tab 91 conformance test performing 88 reviewing data 88 custom DICOM calibration pe...

Page 165: ... reminder 134 installation 3 installing Dome CXtra software 8 individual services 9 optional photometer 10 L launching Dome CXtra 12 Location tab TG18 Test 131 LUM Luminance Uniformity Metric 15 39 40 LUM test threshold 24 26 M manual alert parameters setting 27 Manual Alerts tab RightLight 27 materials equipment 48 maximizing dynamic range 19 menu CXtra services 13 MQSA tests 54 utilities 14 MQSA...

Page 166: ... manual alert parameters 27 RightLight White Level test 25 running test MQSA daily 56 MQSA monthly 60 qualitycontrolformedicalphysicist 65 S saver period creating 108 deleting 110 schedule Backlight Saver viewing 110 scope 48 secondary performance class 132 security information entering 151 selecting display calibration 84 Service Properties dialog box 149 services AAPM TG18 Test 126 individual in...

Page 167: ...eting 134 Configuration tab 130 description 126 Displays tab 132 Location tab 131 Reminders tab 133 setting up test 128 viewing results 136 traps information entering 150 U uninstalling CXtra services and software 14 utilities 14 V viewing reports 140 TG18 Test results 136 W warning icon on taskbar 12 reminder 134 white level 18 limit exceedance 2 19 white level calibration 3 reinitializing settin...

Page 168: ...NDS Surgical Imaging LLC 5750 Hellyer Avenue San Jose CA 95138 1000 USA www ndssi com ...

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