MediCal Pro Installation & User Manual
B4100132 - 02 July 2004 www.barco.
Contents Contents 3 Introduction 10 About this manual 10 About MediCal® Pro 10 About QA tasks 11 The main window at start-up 12 The main window in Advanced user mode 13 First Installation 20 Overview 20 Installation of the hardware 23 Barco flat panel display installation 23 Barco CRT display installation 23 Dicom Theater installation 24 Non-Barco display installation 24 Optical sensor connection 24 MediCal Pro installation 25 Minimum System requirements 25 Before installing MediCal Pro 25 Installing MediCa
Vertical geometry settings 53 East-West geometry settings 54 White uniformity settings (on color displays only) 55 Defining Presets 55 Introduction 55 Procedure 56 Preset parameters 57 Calibrating displays 59 Setting up the Q/A schedule 59 Defining the Q/A task trigger settings 60 When will a task start? 63 Running the due tasks 64 Using MediCal Pro 66 Starting up 66 Entering Advanced user mode 67 Changing passwords 67 Calibrating displays 68 Calibrating Barco flat panel displays 69 Calibrating Barco projec
Connecting to MediCal Administrator 90 Registering the operations in a log file 91 Selecting Luminance units 93 Selecting units of length 93 Setting up optical sensor list and priority 93 Additional display functions 94 Viewing display and imaging board properties 94 Controlling Contrast & Brightness 99 Luminance Uniformity Correction on/off 101 Full Screen Calibration 101 Degaussing displays 101 Sensor patch position 102 Changing the program’s appearance 103 Getting help 103 Glossary 107 Q/A check 107 Conf
Warranty and License Agreement Software License Agreement This is a legal Agreement between you, the end user, and BARCO NV., a Belgian corporation (“BARCO NV”). By accepting this package, you agree to be bound by the terms of this Agreement. If you do not agree with the terms of this Agreement, return the unopened disk package and the accompanying manuals, containers, and hardware (“Product Materials”) to the person or place from which you obtained them for a full refund.
Limited Warranty BARCO NV does not warrant that the Software will meet your requirements or that the operation of the Software will be uninterrupted or error-free. However, BARCO NV warrants that the Software will perform substantially in accordance with the accompanying Product Materials for a period of 90 days from the date of receipt of the Software, and the Software will be free from defects in materials and workmanship under normal use and service for a period of 90 days from the date of receipt.
have any questions concerning this Agreement, write to BARCO NV. Th. Sevenslaan 106, B-8500 Kortrijk, Belgium. Trademark information MediCal, BarcoMed, and MeDis are registered trademarks of BARCO NV. Windows NT, Windows 2000, Windows XP are registered trademarks of Microsoft Corporation. The Java-based logos are registered trademarks of SUN Microsystems, Inc. All other products and company names are trademarks of their respective owners.
INTRODUCTION Introduction 9
1 Introduction 1.1 About this manual This manual describes how to install and use the MediCal® Pro software. Some of the functions in MediCal Pro are accessible in Advanced user mode only. In the manual, these functions are indicated by this symbol: 1.2 About MediCal® Pro MediCal Pro is the complete tool for obtaining conformance (or conformity) and maintaining consistency on medical viewing stations. It is designed to set up schedules and perform automated checks for Quality Assurance (Q/A).
MediCal Pro supports BARCO displays as well as displays from other brands. It allows the connection of the following optical sensors: X-Rite DTP92 (serial or USB), Wellhofer Luxor LXPlus, Solar PMA2200, Minolta LS100 and Tektronix TJ17. Also the Coronis I-Guard sensor inside BARCO flat panel displays and the I-Guard sensor from Dicom Theater are supported. 1.
1.4 The main window at start-up MediCal Pro always starts in Standard user mode. In Standard user mode, the main window consists of the Q/A Check section, allowing you to run and check Q/A tasks. The Q/A Check section in the main window contains the following items: • Last Q/A check on: Here you find the date and time the last Q/A check was run. If no Q/A check was run yet (e.g., after installation), this will be listed as Unknown. • Result: Here you find the evaluated result of the last Q/A check.
• Test Patterns... button: Click to open the Test Patterns dialog. From this dialog you can select to display test patterns. • Q/A Setup... button: Click to open the Q/A Setup dialog. From this dialog you can see which tasks are scheduled. To modify the task schedule, you must log in as Advanced user. As Standard user, you can also check the result of the individual Q/A tasks. • View menu: Select the style you desire from the Select Style dropdown list.
The Q/A Check section is the same as described above. The Configuration section in the main window gives an overview of the imaging boards and displays attached to the workstation. Moreover, it allows to setup or change the configuration and perform several actions to the displays in the configuration. The Configuration section contains the following items: • The number of rectangles in the Configuration section reflects the number of imaging board heads in the computer. E.g.
• If one or some of the displays you wish to control does not appear as display icon, you need to run the configuration setup Wizard. This is also the case after something has changed to the viewing station (e.g., a display was removed or added). Running the configuration setup Wizard can be done by clicking on the Configuration Setup... button. • If an optical sensor has been used for executing a certain task, the last used sensor is depicted in the Configuration section.
The menu contains the following items: Properties Show the display and imaging board head properties and activate / deactivate some of the display’s features. In case of a sensor, show the sensor properties. Add Display Add a display icon to the configuration. This action does not use the Configuration Setup Wizard, but allows you to directly add a Barco or non-Barco display. Remove Display Remove a display icon from the configuration.
Full Screen Calibration Introduction This function starts with a luminance measurement in the center of the screen. It proceeds with calibration in a number of zones over the picture tube, to obtain the same luminance in each of the zones. The function is applicable to some BARCO displays only. The function is grayed if not available on the display.
Introduction 18
FIRST INSTALLATION First installation 19
2 First Installation 2.1 Overview If you install MediCal Pro on a medical viewing station for the first time, you should go through the steps listed below. These steps are just listed here, as an overview of the complete installation. They are described in detail further in this chapter.
4 Set up the configuration See § Setting up the configuration : Setting up the configuration 5 Align the displays, if necessary See § Aligning the displays : Aligning the displays 6 Define the presets See § Defining Presets : Defining Presets First installation 21
7 Calibrate the displays See § Calibrating displays : Calibrating displays 8 Define the Q/A task schedule See § Setting up the Q/A schedule : Setting up the Q/A schedule 9 Change the application settings, if necessary See § Defining the Q/A task trigger settings : Defining the Q/A task trigger settings First installation 22
10 Run the due tasks See § Running the due tasks : Running the due tasks 2.2 Installation of the hardware MediCal Pro can be used on any viewing station that runs on Windows NT4, Windows 2000 or Windows XP. The viewing station can contain any number of displays, Barco and non-Barco displays. It is impossible to describe the installation on all these systems in this manual, but we can give some important hints and rules to follow during the installation of the hardware.
Remote Out COM port Remote In Remote In 2 Video connection: Connect the video and sync inputs of each display to a different imaging board head inside the viewing station’s computer. The leftmost display must be connected to head A, the second leftmost display to head B, etc. Note: An imaging board can be a single-head or multi-head board. A multi-head board is as if several imaging boards were located on one single board, each with separate video and sync outputs.
- - On Barco displays: You can connect a serial sensor to the Sensor connector (front or rear). A USB sensor can be connected to one of the downstream USB ports on the display. In that case however, the display must be connected to the PC USB bus as well. For Dicom Theater, the sensor is connected via USB. Non-Barco displays don’t have a direct connection for the sensor. So if the viewing station contains non-Barco displays, connect the sensor to the viewing station’s computer.
10 11 12 13 14 Click on the Browse... button if you want to change this directory. Click on the Next> button to continue. Choose the setup type that corresponds to the viewing station on which MediCal Pro is installed: A system with CRT displays, a system with with flat panel displays or a Dicom Theater system. Select the program folder where you wish to add the program icons. Click on Next> to continue. The installer program now starts to install the files at the appropriate place.
3 If no license key was entered during installation, MediCal Pro prompts to enter the license key now. Enter a valid license number and click on OK. 4 If the system contains no Barco flat panel displays, nor Barco CRT displays connected to the USB bus, MediCal Pro will notice that there is no configuration set up in the program yet. It will ask if you want to log in as Advanced user, to set up the configuration. Select Yes.
Note: Prior to connecting the viewing station to the MediCal Administrator server, the medical facility to which the viewing station belongs, must be added already to MediCal Administrator. For more information, please consult your system administrator. If you do not have MediCal Administrator installed on the network, select No and continue. Should Administrator be installed later, you can still connect to it from within MediCal Pro.
3 The Wizard will start searching for the server on the network. Click on Next to start the search. If the Wizard does not find the server or if there are problems to register to the server, you will have to exit the Wizard. Contact the system administrator to solve the problem. 4 If the server is found, the Wizard displays the following message: Click on Next.
5 The drop-down list shows all medical facilities connected to MediCal Administrator on the server. If the facility to which this viewing station belongs, is not in the list, you should exit the Wizard by clicking on Cancel. The medical facility should be added from within MediCal Administrator. If the facility is in the list, select it and click on Next. 6 Enter the viewing station details: Workstation name, Department name, Room number and Floor. Click on Next.
7 The entered information is added to MediCal Administrator. Click on Next.
8 Click on Finish to go to the MediCal Pro main window. 2.5 Setting up the configuration Introduction The medical viewing station consists of a computer, a number of imaging boards (containing one or more heads), an optical sensor and one or more displays. They are all connected physically, by means of cables and connectors. An example of a medical viewing station consisting of one PC with four imaging board heads and four Barco flat panels connected. Those panels have an internal optical sensor.
This is the MediCal Pro configuration corresponding to the medical viewing station shown above. To run Q/A tasks on the viewing station or to perform actions on the viewing station displays, MediCal Pro must know the exact and complete configuration. The first time MediCal Pro is run, the user must put the configuration into the program if the displays were not added to the configuration during startup.
1 Configuration setup This page indicates the start of the Wizard. At the same time, a character appears on the screen of each display. It refers to the imaging board head the display is connected to. It will be visible during the complete setup process. Click on Next to continue. 2 Barco displays This page indicates the Wizard will start looking for connected Barco displays.
3 Searching for Barco displays The Wizard looks if there are Barco displays or projectors connected to the workstation computer via serial data connection. After a few seconds, it returns the number of found Barco displays. Notes: - In case Barco flat panel displays are connected to the workstation, the Wizard can identify the display serial numbers and the heads they are connected to. - In case of a Dicom Theater system, the projector is also identified as a Barco display.
There are two possibilities: 4a The number of found Barco displays equals the number of imaging board heads in the viewing station Click on Next to continue. Please continue with step 5. 4b The number of found Barco displays does not equal the number of imaging board heads in the viewing station The Wizard asks if the number of found Barco displays really equals the number of Barco displays you want to add to the configuration.
Yes You can proceed with the Wizard, adding Barco- and / or nonBarco displays. Continue with step 5. No The Wizard gives a search error. Refer to § Solving Configuration Setup Wizard search errors , “ Solving Configuration Setup Wizard search errors “ for more information about what to do in case of a search error. Click on Next to continue. 5 Define Heads Note: This step is skipped if only Barco flat panel displays have been found.
6 Position sensor patch This screen appears only in case of a Dicom Theater application. After a projector is found to add to the configuration, the projector projects a black square. This is the patch for the optical sensor (the patch will turn white afterwards). It appears default in the upper right corner of the projected image. You will have to attach the optical sensor on the place where the patch is projected (see the Dicom Theater System Manual).
7 Control non-Barco displays If there are more heads in the computer than found Barco displays or if no Barco displays were found at all, the Wizard asks if you want to add nonBarco displays to the configuration. Yes You can proceed with the Wizard, defining the non-Barco displays. Continue with step 8. No The Wizard continues with only the Barco display(s) added. In case no Barco displays were added at all, the Wizard exits. Continue with step 10.
The Wizard allows to logically link a non-Barco display to each remaining imaging board head. The Wizard makes a suggestion of the head to link the display to by inverting the colors of the character in the display’s lower right corner. Select Yes if the display is really connected to this head (with video cables). Click on Next. The Wizard proceeds. Select No if you do not want to add the display to that head. Click on Next. The Wizard continues with only the Barco display(s) added.
10 Display function Select the display function you want to use for all the displays. This screen does not appear for Dicom Theater applications. Display function Select the required display function from the drop-down list. For most medical viewing applications, we recommend you select the DICOM display function, as this function results in the most visible grayscales.
11 White and black luminance You can choose to specify one particular white luminance and black luminance value for all the displays. This screen does not appear for Dicom Theater applications. Select Yes only if all displays are the same type and if you are sure about the value to specify. If you proceed in that case, the Define Luminance page appears. Enter the desired white and black luminance, expressed in Cd/m² or fl, depending on the application settings.
12 Calibration You can choose to calibrate the displays and possibly run a QA check on the displays after finishing the Wizard. The Q/A check option can be checked only if the Calibrate option is checked. We advise not to check either of these options at this time, because the displays have to be aligned (CRT displays only) after the configuration setup, and the presets still have to be defined or edited. If you check one or both options, they will be executed after completion of the Wizard.
The Wizard is completed. Select Finish to return to the main window. The display icons are now filled in in the main window’s Configuration section. Note: If MediCal Pro was installed for CRT displays and the Wizard has now detected only Barco flat panel displays, a message appears, asking you to disable the Uniformity task for the flat panel displays. We advise to select Yes because the uniformity task is not needed for flat panels.
• Some of the displays have equal remote addresses. The remote addresses can be set by means of the display’s OSD menus. The Wizard provides two ways to solve a search problem, taking the above-mentioned possible causes into account. Note: The search error solving methods can work only for Barco CRT displays connected through a serial connection. For flat panel or non-Barco displays these methods are not applicable.
b) The problem is probably caused by the remote ID’s Proceed as follows: 1 In the Search error page, select Redefine the remote ID’s. Click on Next to continue. 2 The Wizard indicates the maximum number of Barco displays you can add. This is the number of imaging board heads in the computer. In the field, enter the total number of Barco displays you want to add. This number should not exceed the number given by the Wizard.
4 Unplug the Remote Out connection of the first display. When ready, click on Next. 5 Plug in the remote cable into the Remote Out connector of the first display again. 6 Unplug the Remote Out connection of the second last Barco display. E.g., if 4 Barco displays are connected, you need to unplug the Remote Out connection of the 3rd one. When ready, click on Next. 7 You have to repeat the previous step on the other Barco displays, in descending order towards the computer.
9 The Wizard makes a new search for Barco displays and continues with the normal configuration setup procedure as described above. Setting up the configuration directly by using the drop-down menus There is also a shorter, not guided way to add the configuration to MediCal Pro. You can do this by means of the context-sensitive drop-down menu. In case you feel a bit unsure about the way to add a complete configuration, you better use the Cofiguration Setup Wizard (see previous sections).
- - Check the communication port to which the display is connected. Click on Identify to see which display is connected to which head. For a few seconds, you will see the letter of the heads on the displays. They automatically disappear after a few seconds. In case of a projector, the projector’s shutter closes a few times. Click on Show display to see which display corresponds to the Remote Address chosen from the drop-down list. The image of the selected display will blink for a few times.
Non-Barco displays must be aligned using their own controls. Please refer to that display’s user documentation. To start display alignment for Barco displays, right-click on the icon of the display you want to align. Select Alignment... from the drop-down menu. After a few seconds, the selected display shows a test pattern. At the same time, the display alignment dialog appears. The adjustments in the Alignment window are combined in a number of groups (display alignment families).
The possible display alignment families are: Horizontal geometry settings Vertical geometry settings East-West geometry settings White uniformity settings (on color displays only) The Alignment dialog contains the following elements: • The icons at the top of the dialog indicate the different alignment families (e.g., horizontal geometry, vertical geometry etc.). • The second row of icons represents the different alignments that belong to the selected alignment family.
Horizontal geometry settings Horizontal position (course) Position the middle vertical line of the test image approximately in the center. This is a course adjustment. You will get the opportunity to finetune later in the procedure. Screen width Adjust the width of the white frame on the test image following the display’s specifications. You will get the opportunity to fine-tune later in the procedure. Tip: It is a good idea to use a flexible plastic or paper ruler to measure the size.
Rotation Adjust until the white frame on the test image is perfectly upright. Vertical geometry settings Vertical position (course) Position the middle horizontal line of the test image approximately in the center. This is a course adjustment. You will get the opportunity to finetune later in the procedure. Screen height Adjust the height of the white frame on the test image following the display’s specifications. Tip: It is a good idea to use a flexible plastic or paper ruler to measure the size.
bright ascending line (joined by two parts of gray lines) and two dim ascending lines, at a distance of a few cm. The bright line is the AWS line and the dim lines are AKB lines. 5. Step by step, decrease the AKB shift adjustment. As a result, the AWS and AKB lines in the test image move up. Adjust until the lowest AKB line has completely disappeared under the bezel and a bright horizontal line appears under the bezel. This is the AWS line that is coming down again.
White uniformity settings (on color displays only) The white uniformity adjustments compensate for the effect of disturbing magnetic fields on color displays. These magnetic fields cause color purity or white uniformity errors. The most common is distortion due to the earth magnetic field. Vertical uniformity This adjustment is especially necessary when the display is operating in the southern hemisphere or near the equator.
• Display function: The function that defines how the luminance evolves when the video signal goes from black to white. For a color display, you must additionally define: • White chroma: The chroma or color temperature for a white image. • Black chroma: The chroma or color temperature for a black image. Moreover you can define in the Preset if glare compensation and ambient light compensation must be taken into account during calibration.
The left column shows the installed presets. The right window pane shows the properties of the preset selected in the left column. You can select an installed preset and, if necessary, modify its properties. Alternatively, you can first copy an installed preset by clicking on the Copy button, and then modify its properties to create a brand new preset without overwriting one of the others. Preset parameters Name Enter or edit the name of the preset selected from the left column.
On color displays and projectors Measure on next calibration: Select this option if you do not wish to enter a target value now. Instead, the target value will be determined by measuring during the next calibration. Absolute value Select this option if you wish to enter a numeric target value. This option is preferred for Barco displays. Luminance In this field, enter the required target value, expressed in Cd/m². The field will be grayed if the “Measure on next calibration” option is selected.
Measure Now Click on this button if you wish to measure the actual luminance value. You will be asked to calibrate the sensor (if necessary) and apply it to the screen. Display function Note: This item is grayed for predefined Presets for Barco projectors (in Dicom Theater). If you create a new Preset, you will be able to define a display function. Select the required display function from the drop-down list. Select the required display function from the drop-down list.
To access MediCal Pro’s default Q/A schedule, click on the Q/A Setup... button in the main window. For more information, please refer to § “Setting up a Q/A task schedule” on page 75. 2.10 Defining the Q/A task trigger settings The tasks can be categorized in three groups, depending on the impact they have on the user and the applications running on the viewing station. The task categories are: Transparent inter- The task runs completely in background.
To define the task trigger settings: 1 From the Tools menu, select Options > Application Settings. 2 Select the Trigger Settings tab. 3 Set the trigger settings.
When the user logs in Tasks that have become due, will be executed at the moment a user logs in on the workstation. This is a good setting for tasks that require a user interaction (nonintervention-free). The tasks are executed after they have become due and at the moment someone logs in on the workstation. In that way you are sure a user is present to respond to the task's interactions.
No trigger settings defined If you do not check any of the trigger settings, the task will not start automatically, even when it has become due. The task can be run manually only. 2.11 When will a task start? First condition: Task is due The first condition for a task to start, is that it is or becomes due. In other words, a task will never start as long as it is not due. The time that the task becomes due, is determined by defining the Q/A schedule.
Example: Let us again suppose that the Measure Quality Level task is scheduled weekly, on Thursday at 10 PM. Let us also suppose the trigger settings for this task are set to: "When the screen saver is activated". On Thursday at 10.00 PM, a doctor is working on the workstation, viewing medical images. The task becomes due, because it was scheduled that way. However, the task does not start to run yet, because the screen saver is not activated. At 10.
USING MEDICAL PRO 65
3 Using MediCal Pro 3.1 Starting up To start MediCal Pro, proceed as follows: 1 If the viewing station contains Barco displays, make sure there is no on-screen display (OSD) on the screen of the displays. Please refer to the display’s user manual to know how to do this. 2 Start MediCal Pro from the Start > Programs > MediCal menu in Windows.
Here is an example of a message that may appear when MediCal Pro has detected a display has been removed from the system: Select Quit application to stop MediCal Pro. Then you can try to restore the hardware connection to the display that was missing, and restart MediCal Pro. Select Remove to continue with the start-up. 5 The MediCal Pro main window appears. 3.2 Entering Advanced user mode To log in as advanced user 1 Press Alt-A on the keyboard or select Tools – Options – User Login... from the menus.
To change the advanced user password: 1 From the main window, press Alt-A on the keyboard or select Tools – Options – User Login... from the menus. Your user name is still filled out in the User name field. 2 Click on Change Password. 3 In field Old password, fill in the current password. 4 In fields New password and Re-enter new password, fill in the new password. 5 Click on OK. The password is changed. 6 The Login dialog appears again.
Calibrating Barco flat panel displays Barco flat panel displays, like the Coronis displays, have a built-in optical sensor that communicates with MediCal Pro. The calibration runs completely automatically. When the calibration is finished successfully, it displays the following message. Click on OK to close the window. Calibrating Barco projectors Barco projectors are calibrated by means of the I-Guard external sensor, connected to the USB bus. The sensor is included in the Dicom Theater package.
Calibrating Barco CRT displays 1 If you use an X-Rite DTP92 sensor, you may be asked to calibrate the sensor first. Make sure the sensor is completely covered (so that no light can enter the sensor) and click on OK. 2 Put the sensor, with Ambient Light Shield if appropriate, on the image on the screen. Important: Make sure there are no application windows or other items (e.g., the cursor) displayed under the sensor. They would cause the calibration to fail. When ready, click on OK.
When ready, click on OK. 5 When the calibration is finished successfully, it displays the following message. Click on OK to close the window. Full screen calibration Full screen calibration is possible on Barco CRT displays only. The optical sensor must be connected to the display to be able to perform full screen calibration. The function is grayed if not available on the display. The purpose of full screen calibration is to obtain a uniform luminance all over the screen.
2 Put the sensor without Ambient Light Shield (for convenience) on the image and follow the instructions on the screen. The full screen calibration starts with a measurement of luminance in the center of the screen. It proceeds with calibration in a number of zones over the picture tube so that the luminance in all of the zones equals the center luminance. The zone where you have to put the sensor, is indicated by a white, blinking square.
3 For sensors that have an ambient light shielding only: If you have specified an absolute value for black and white luminance in the Preset, and the Ambient Light Compensation option is checked, the software asks you to remove the sensor from the screen and put it back without Ambient Light Shield. When ready, click on OK. After a few measurements, the software asks to remove the sensor once more, and put it back with the Ambient Light Shield. When ready, click on OK.
5 The white luminance target value is determined now. The sensor measures a white patch. The result of the measurement is shown in the Measure window. a) If you have specified an absolute value for white luminance in the Preset, MediCal Pro displays this value in the message. You must control the display contrast manually until the measured value is equal or higher than the target value. When this is the case, the OK button becomes active so that you can continue.
9 When the calibration is finished successfully, it displays the following message: Click on OK to close the window. 3.5 Setting up a Q/A task schedule The tasks can be categorized in three groups, depending on the impact they have on the user and the applications running on the viewing station. The task categories are: Transparent inter- The task runs completely in background. It does not vention-free require any action from the user and does not change the image on the display. E.g.
When MediCal Pro is installed, a default task schedule is filled in. The Q/A Setup window gives the following information: Task Name The task’s name or description Status Whether the task is enabled or disabled Schedule The frequency with which you wish the task to be executed Last Executed The date (in MM/DD/YY format) the task is last executed Current status The result of the task’s last execution Due Whether the task is due or not.
2 To get more information about a specific task, click on the name of the task and then click on the More Info button. 3 To add a task, click on the name of the task you wish to add and then click on the Add button. 4 When finished, click on the Close button. Notes: There is no way to remove the tasks from the schedule. If you do not want a task to be executed, you have to disable it (see below). To see which plug-ins are installed, you can open the Help menu of MediCal Pro.
Scheduling a task To schedule a task: 1 In the Q/A setup window, right-click on the name of the task you wish to schedule. A drop-down menu appears (see above). 2 Select the desired frequency from the Schedule > menu: Daily The task becomes due every day at the scheduled time. Weekly The task becomes due every week at the scheduled time. Monthly The task becomes due every month at the scheduled time. Quarterly The task becomes due every 3 months starting with the scheduled time.
To display the task properties 1 In the Q/A setup window, right-click on the name of the task of which you wish to view the properties. A drop-down menu appears. 2 Select Properties... The task properties appear. The fields displayed in white can be edited by double-clicking on them. Description of the tasks To display a task description 1 In the Q/A setup window, right-click on the name of the task of which you wish to view the description. A drop-down menu appears (see above). 2 Select Info...
When you wish the task(s) to be executed, click on OK. When you do not wish the task(s) to be executed, click on Cancel. When the user does not respond to the message, after some time the task will be executed automatically. Running tasks from within MediCal Pro Running all due tasks To run all today’s due tasks from within MediCal Pro, first start up MediCal Pro (see “Starting up for the first time” on page 26). To run the due tasks, click on the Q/A Check... button in the main window.
Click on No to skip the execution of the tasks. The tasks’ result will be indicated as Skipped but the tasks remain due. They will be run the next time you perform a Q/A Check. Running a single task At any time, you can run any task, even if it is disabled or not due. To run a single task: 1 In the main window, click on Q/A Setup... 2 In the Q/A setup window, right-click on the name of the task you wish to run. A drop-down menu appears. 3 Select Run Now. The task will start immediately.
To troubleshoot tasks that are Not OK Tasks that were Not OK the last time they were executed, are indicated with a question mark window. in the Current Status field in the Q/A Setup - To see a description of the problem(s), click on the question mark. The problem description appears. - To get hints for a possible solution, click on the sentence See here how to solve this problem. As a result, an html page with problem solving hints appears.
To display all tasks’ last results To display all tasks’ last results, click on the Last Result Logs... in the Q/A Setup window. The overview of all tasks’ last results appears. - To see the history log of a task, click the task name in the All Results window. For tasks that were Not OK: To see a problem description and a hint to solve the problem, click on the question mark the All Results window.
- To see the history log of a task, click the task name in the Last Result window. For tasks that were Not OK: To see a problem description and a hint to solve the problem, click on the question mark the Last Result window. next to the task in To display a particular task’s history of results: In the Last Result window (see above), click on the underlined name of the task. The history is displayed in table or graph form, and can be printed out.
Alternatively, in the Q/A Setup window, right-click on the task name and select History... from the drop-down menu. The history is shown as table only, and cannot be printed. To see more (older) results in the history list, click on the double arrow under the scroll bar at the right of the list.
3 Select a pattern from the drop-down list. If you select Select Image, a dialog box will appear when the pattern is loaded, allowing you to select any jpg, bmp or gif image file on the computer. 4 Click on the Load button. After a few seconds, the test pattern will appear.
Bands with text This pattern can be used to check if the display function is perceptually linear (calibrated according to the DICOM display curve). This is the case if the text in all of the bands is legible. Briggs This pattern can be used to check if the display function is perceptually linear (calibrated according to the DICOM display curve). The pattern consists of rectangles including small squares that are 5% darker.
Select image Browse and select your own test pattern. MediCal LE supports bmp, tif, jpg and gif files. TG18QC This pattern is a universal pattern with which you can check geometry, focus, white luminance, bandwidth and display curve, according to the AAPM qualifications. Uniformity This pattern can be used to check if the white and black levels are uniform all over the screen.
drop-down menu. Head A is reserved for the flat panel display and Head B is reserved for the projector. 2 Barco flat panel displays are added immediately. For all other display types, the Display Connection Setup dialog appears. a) Select the Serial port tab if you want to add a Barco projector connected to the serial (Remote) bus. - - Check the communication port to which the display is connected. Click on Identify to see which display is connected to which head.
Enter the brand name, type and serial number. Also, you have to indicate whether the display is a grayscale display or not, and a CRT or flat panel display. Note: It is important to enter the correct data here, so that the display can be found quickly should a task on this display generate an error in MediCal Administrator. Removing a display To remove a display, right-click on the display icon and select Remove Display... from the drop-down menu. The display is removed immediately.
To connect to MediCal Administrator: 1 From the Tools menu, select Administrator Connection. 2 The MediCal Administrator Connection Wizard starts. Please refer to the chapter “First Installation” for a detailed description of this Wizard. 3.9 Registering the operations in a log file MediCal Pro stores the results of the Q/A checks in a log file, and if it is connected to a MediCal Administrator server, it sends the result data to MediCal Administrator.
To select / deselect logging: 1 From the Tools menu, select Options > Application Settings. 2 Select the General tab. 3 If Logging is checked, the manipulations are registered in the log file. If Logging is not checked, the manipulations are not registered in the log file.
3.10 Selecting Luminance units The results and values of luminance measurements can be expressed in Candela per square meter (Cd/m²) or Footlambert (fL). To select the luminance units: 1 From the Tools menu, select Options > Application Settings (see above). 2 Select the General tab (see above). 3 Select the desired luminance unit. 3.11 Selecting units of length In the Display properties, you can enter the screen size of the displays. You can do this in inches or millimeters.
2 Select the Sensor Setup tab. 3 Check the types of sensors used on the viewing station. Do not check the types that are not used. 4 Select a sensor type and use the and sensor list to change the priority of sensors. buttons left of the 3.13 Additional display functions Viewing display and imaging board properties In the Configuration section in the main window, right-click on the icon of the display you wish to view the properties of. From the drop-down menu that appears, select Properties...
The display device properties dialog appears. Display Properties Select the Display tab in the display device properties dialog. Brand name: The display brand name. Display type: The display type or description. Serial number: The display’s serial number. Software number: The order number of the display’s internal software (BARCO displays only). Screen height The height of the visible display screen. The unit of length can be selected in the Application Settings dialog.
Screen width The width of the visible display screen. The unit of length can be selected in the Application Settings dialog. Gray scale: This option is checked if the software has detected the display is a grayscale display (BARCO displays only) or if the user has defined the display as a grayscale display during the configuration setup. CRT/Flat panel: Whether the display is a CRT or flat panel type.
DPMS Check this option to switch on the Power Saving utility (DPMS). The option is grayed if not applicable to the selected display. Power LED Check this option to switch on or off the functionality of the power LED.
Display Details: CRT displays Info Display Number The order number of the display Software Number The order number of the display’s internal software (BARCO displays only) Software version The version of the display’s internal software (BARCO displays only) Lifetime The time (in hours) the display has been operating so far (BARCO displays only) Scan Mode The scan mode, internally selected from the display’s memory (BARCO displays only) Miscellaneous Orbiter Check this option to switch on the Orbit
Imaging board properties Select the Imaging board tab in the display device properties dialog. Type The type or brand of the board Serial number The imaging board serial number Resolution The resolution of the imaging board head Gamma table Whether the board contains an editable gamma table or not Color depth The gamma table’s color depth. This number determines the number of grayscales or colors that can be reproduced No.
From the drop-down menu that appears, select Brightness/Contrast... The Brightness/Contrast control panel appears. Automatic Contrast / Brightness If checked, this function uses the Ambient Light Compensation option to control Contrast and Brightness automatically. In that case, the Contrast and Brightness will be set depending on the ambient light around the display. This function is grayed if the Ambient Light Compensation option is not installed in the display.
Clicking on the Contrast (Brightness) icon left of the sliders, puts the Contrast (Brightness) control in calibrated position. This is the preferred position. Luminance Uniformity Correction on/off This function is available for BARCO displays only. In the Configuration section in the main window, right-click on the icon of the display of which you wish to switch LUC on or off. From the drop-down menu that appears, select Luminance Uniformity Correction...
From the drop-down menu that appears, select Degauss. As a result, possible purity errors in the image (so-called hot spots) are removed. The display automatically degausses at switch-on. Sensor patch position This function is available only for Dicom Theater applications. With this dialog box you can adjust the projector sensor patch position and size. Use the arrows to adjust the patch position. Use the sliders to adjust the size of the patch. When done, click OK.
3.14 Changing the program’s appearance It is possible to change the appearance of MediCal Pro somehow. The change in appearance affects the size of characters and icons used in the program. Changing the appearance might be necessary to improve the legibility when the displays are switched to a different resolution. To change the appearance: 1 From the View menu, select Select Style. 2 Select the desired style, from “Smallest” to “Extra Large”.
About: Displays the details of this version of MediCal Pro.
GLOSSARY 106
4 Glossary 4.1 Q/A check In softcopy diagnostic systems, displays are used to judge medical images and to take conclusions about patients’ physical condition. It is obvious that the image quality is of the utmost importance. Therefore it is necessary to check the quality of the system, and especially the displays’ image quality, on a regular basis. A Q/A check tests the image quality of all the displays on a medical viewing station. It consists of a number of Q/A tasks.
4.5 Viewing station The medical viewing station consists of a computer, a number of imaging boards (containing one or more heads), an optical sensor and one or more displays. They are all connected physically, by means of cables and connectors. 4.6 Configuration The configuration in MediCal Pro is the software representation of the viewing station’s hardware components.
This is called a dual head imaging board. It is like two complete imaging boards implemented on one single unit. A dual head board in the computer behaves exactly as if two separate boards were installed. 4.10 DICOM DICOM stands for Digital Imaging and Communications in Medicine. It is a standard developed by the American College of Radiology (ACR) and the National Electrical Manufacturers Association (NEMA). The standard specifies how digital image data can be moved from system to system.
Index Symbols (Advanced user symbol) 10 A Add Barco display 48, 89 Add Display 16, 48, 88 Address 23, 46, 98 Advanced user 27 Advanced user mode 10, 13 AKB removal 53 AKB shift 53 Alignment 16, 50 Ambient Light Compensation 41, 59, 70, 73, 100 Ambient Light Shield 70, 72 Automatic Contrast / Brightness 100 Axial uniformity 55 B Black luminance 55, 56, 57, 73 Black point 53 Bowing deformation 54 Brightness 16 C Calibration 16, 43 Candela 93 Cd/m² 93 Configuration 14, 27 Has changed 66 Configuration Setup 15
Corner deformation 54 D Daily 78 Data connection 24, 45 Degauss 16 Display alignment 50 Display Details 96, 98 Display device 108 Display function 41, 56, 59 Display Properties 95 E Every Screen 86 F FL 93 Flat panel display 11, 27, 35, 37, 44, 49, 68, 90, 93, 96 Footlambert 93 Full Screen 86 Full screen calibration 16, 101 G Gamma 26 Has changed 66 Gamma Initializer 26, 66 Glare compensation 41, 59 H Help 103 Horizontal blanking left 52 Horizontal blanking right 52 Horizontal linearity 52 Horizontal positi
I Identify 16 Imaging board properties 99 Invert LUT 86 L Last Q/A check 12 Linearize LUT 86 Logging 92 Luminance Uniformity Correction 71 M Main window 12 MediCal Administrator 27 Medical viewing station 32, 108 Monthly 78 N Not OK 12 O OK 12 Optical sensor 11, 70, 72 Orbiter 98 P Parabola deformation 54 Password 10, 27, 67 Powersave 97, 98 Presets 16 Properties 16, 79, 94 Q Q/A Check 12, 64 Q/A Setup 13, 75 113
Q/A task Running All due tasks 80 Single task 81 Q/A tasks 107 Quarterly 78 R Remote address 23, 46, 98 Remote Timeout 98 Remove Display 16, 90 Result 12 Rotation 53 S Screen height 53 Screen width 52 Select Style 103 Send Feedback 103 Sensor 70, 72 Skewing 54 Skipped 12 Standard user mode 10, 12 T Task frequency Daily 78 Monthly 78 Quarterly 78 Twice a Year 78 Weekly 78 Yearly 78 Task history 84 Test Patterns 13 Todays Q/A tasks 12 114
Tools menu 13 Trapezoid deformation 54 trigger settings 60 Twice a Year 78 U Unknown 12 User Login 67 User mode 10 V Vertical linearity 53 Vertical position 53 Vertical S-correction 53 Vertical uniformity 55 Video connection 24 View menu 13 Viewing station 32 W Weekly 78 White luminance 42, 55, 56, 57, 74 White point 53 Y Yearly 78 115
