Barco K5902007 - 00 Bedienungsanleitung

Installation & User Manual MediCal Pr o[...]

www .barc o.c om K5902007 - 00 July 2006[...]

3 Content s 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 Installa tion 18 Overview 18 Installation of the hardware 21 Barco flat panel display installation 21 Barco CRT display installation 21 Non-Barco display installation 22 Optical sens[...]

4 Defining Presets 52 Introduction 52 Procedure 52 Preset parameters 53 Calibrating displays 58 Setting up the Q/A schedule 58 Defining the Q/A task trigger settings 59 When will a task start? 62 Running the due tasks 63 Using MediCal Pro 66 Starting up 66 Entering Advanced user mode 67 Changing passwords 68 Calibrating displays 68 Calibrating Barc[...]

5 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 100 Full Screen Calibration 101 Degaussing displays 101 Special functions for displays in mammography systems 102 Per Pixel Uniformity 102 Sh[...]

W arranty and License Agr eement Software License Agreement This is a legal Agreement between you, the e nd user, and BARCO NV ., a Belgian corporation (“BARCO NV”). By accepting this packa ge, you agre e to be bound by the term s of this Agreement. If you do not agree with the te rms of this Agreement, return the unopene d disk package and the[...]

Limited W arranty BARCO NV does not warrant that the Software will me et your requirements or that the opera tion of the Software will be uninterrupted or e rror-free. However , BA RCO NV warrants that the Software will perform substantia lly in accordance with the accompanying Product Materials for a period of 90 days from the date of receipt of t[...]

have any questions concerning this Agr eement, write to BARCO NV . Th. Sevenslaan 106, B-8500 Kortrijk, Belgium. T rademark information MediCal, BarcoMed, and MeDis are registered tr ademarks of BARCO NV . W indows NT , W indows 2000, W indows XP are registered trademarks of Microsoft Corporation . The Java-based logos are registered trademarks of [...]

Introduction 9 INTR ODUCTION[...]

Introduction 10 1 Intr oduction 1.1 About this manual This manual describes how t o install and use the MediCal ® Pro softw are . Some of the functions in MediCal Pro are ac cessible in Advanc ed user mode only . In the manual, these functions are indicated by this symbol: 1.2 About MediCal ® Pr o MediCal Pro is the c omplete t ool for obtaining [...]

Introduction 11 MediCal Pro supports BARC O displays as well as displays from other brands. It allows the c onnection of the following optical sensors: Barc o LCD sensor , Barco Serial sensor , X -Rite DTP92 (serial and USB), W el lhofer Luxor LXPlus, Solar PMA2200 , Minolt a LS100, Verilum CPOD (serial and USB) and T ektronix TJ17. Also the BARCO [...]

Introduction 12 1.4 The main window a t start -up MediCal Pro alw ays 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 follo wing items: • Last Q/A check on : Here you find the date and time the l[...]

Introduction 13 • T est Pattern s... button: Click to open the Te st Patterns dialog. F rom this dialog you can select to display test patterns. • Q/A Setup ... button: Click to open the Q/A Setup dialog. Fr om this dialog you can see which tasks are scheduled. T o modify t he task schedule, you must log in as Advanc ed user . As Standard user [...]

Introduction 14 The Q/A Check section is the s ame as described above . The Configura tion section in the main window gives an overview of the imaging boards and displays attached to the w orkstation. Moreov er , it allows to setup or change the configur ation and perform sever al actions to the displays in the configur ation. The Configur ation se[...]

Introduction 15 • If an optical sensor has been used f or executing a c ertain task , the last used sensor is depicted in the Configur ation section. • Y ou can perform a number of actions to the displays when they are listed in the Configur ation section . Therefore , click with the right mouse button on the icon of the displa y you want t o p[...]

Introduction 16 Remove Displ ay Remov e a display icon fr om the configuration. Identify Check which imaging board he ad is connected to the selected displa y . The number of the head will appear on the selected display . Preset s Define targets for white lev el, black level and display function, and stor e them in a preset. Calibr ate Start displa[...]

First installation 17 FIRST INSTALLA TION[...]

First installation 18 2 First Installation 2.1 Overvie w If you install MediCal Pro on a medical viewing station for the first time, you should go through the steps listed below . These steps ar e just listed here , as an overvie w of the c omplete installation. They are described in detail further in this chapter . 1 Install the hardw are componen[...]

First installation 19 4 Set up the configur ation See § Setting up the configur ation on page 29. 5 Align the displays, if n ecessary See § Aligning the displays on page 44. 6 Define the presets See § Defining Presets on page 52.[...]

First installation 20 7 Calibrat e the displays. See § Calibrating displays on page 58. 8 Define the Q/A task schedule See § Setting up the Q/A schedule on page 58. 9 Check the trigger settings for the diff erent categories of Q/A tasks and change them if nec essary See § Defining the Q/A task trigger settings on page 59. 10 Run the due tasks Se[...]

First installation 21 2.2 Installation o f the har dwar e MediCal Pro can be used on any viewing station that runs on Windows NT4, Windows 2000 Profe ssional or Windows XP Profes sional. The viewing station can contain an y number of displays, Barc o and non-Barco displays. It is impossible to describe the installation on all these systems in this [...]

First installation 22 2 Video connection: C onnect the video and sync inputs of e ach display to a differ ent imaging board head inside the viewing station’s com pu te r . The leftmost display must be connected to head A , the second leftmost display to he ad B, et c. Note: An imaging board can be a single-head or multi-head boar d. A multi-head [...]

First installation 23 2.3 MediCal Pr o installation Minimum Syst em requir ements • Operating sys tem: Windows 2000 Pr ofessional/Windo ws XP Prof essional/Windows Serv er 2003 Standard Edition (32 -bi t) • Memory: 128 MByte • Free disk spac e: 50 MByte • Internet Explorer 4.0 Bef ore installing MediCal Pro 1 Y ou must have Administrat or p[...]

First installation 24 Click on the Browse... button if y ou want t o change this directory . Click on the Next> button to conti nue. 10 Choose the setup type that correspond s to the viewing station on which MediCal Pro is installed: A syst em with CRT displays or with flat panel displays. 11 Select the program f older where you wish to add the [...]

First installation 25 4 If the system c ontains no Barco flat panel displays, nor Bar co CR T displays c onnected to the USB bus, MediCal Pr o will notice that there is no configur ation set up in the progr am yet. It will ask if you want to log in as Adv anced user , to set up th e configur ation. Note : Barco Nio Fusion and C olor Nio displays ar[...]

First installation 26 Note : Prior to c onnecting the viewing s tation to the MediCal Administrat or server , the medical facility to which the vie wing station belongs, must be added already to MediCal Administr ator . For more information, please consult your system administr ator . If you do not hav e MediCal Administrat or installed on the netw[...]

First installation 27 3 The Wizard will start searching f or the server on the network. Click on Next t o start the se arch. If the Wizard does not find the server or if there are problems t o register to the server , you will have to exit the Wizard. C ontact the system administrat or to solve the problem. 4 If the server is found, the Wizard disp[...]

First installation 28 6 Enter the viewing station detail s: W orkstation name , Department name, Room number and Floor . Click on Next . 7 The entered information is added to MediCal Administrat or . Click on Next .[...]

First installation 29 8C l i c k o n Finish to go to the MediCal Pro main wi ndow . 2.5 Setting up the c onfigura tion Introduction The medical viewing station consists o f a computer , a number of imaging boards (c ontaining one or more heads), an optical sensor and one or more displays. The y are all connected physically , by means of cables and [...]

First installation 30 An example of a medical viewing sta tion consisting of one PC with four imaging board hea ds and four Barc o flat panels connected. Those panels have an internal op tical sensor . The configur ation is the logical representation of the viewing s tation’s components in MediCal Pro . A complet e configur atio n contai ns the f[...]

First installation 31 1 Configur ation setup This page indicates the start of the Wizard. At the same time, a charact er appears on the screen of e ach display . It refers to the imaging board head the displa y is connect ed to . It will be visible during the complete setup proc ess. Click on Ne xt to c ontinue. 2 Barc o displays This page indicate[...]

First installation 32 3 Sear ching for Barc o displays The Wizard looks if there are Barc o displays connect ed to the workstation comput er via serial data connection. After a few sec onds, it returns the number of found Barco disp lays. Note : In case Barco flat panel displays are c onnected to the workstation, the Wizard can identify the display[...]

First installation 33 There are two pos sibilities: 4a The number of found Bar co displa ys equals the number of imaging board heads in the vie wing station Click on Ne xt to continue . Please continue with st ep 5. 4b The number of f ound Barc o displays does not equal the number o f imaging board he ads in the viewing station The Wizard asks if t[...]

First installation 34 Ye s : Y ou can proceed with the Wizar d, adding Barco- and / or non-Barco displays. Continue with step 5. No: The Wizard giv es a sear ch error . Refer to “Solving C onfiguration Setup Wizard sear ch errors” on page 40 for more information about what to do in case of a sear ch error . Click on Ne xt to c ontinue. 5 Define[...]

First installation 35 If you are adding non-Barc o displays as well, please c ontinue with the followi ng step. 6 Contr ol non-Barc o displays If there are more heads in the comput er than found Barco displa ys or if no Barc o displays w ere found a t all, the Wizard asks if you w ant to add non-Barco displa ys to the configur ation. Ye s : Y ou ca[...]

First installation 36 7 Remaining imaging boar d head The Wizard allo ws to logically link a non-Barco display to each remaining imaging board he ad. The Wizard makes a suggestion of the head t o link the display to by inverting the colors of the char acter in the display’s low er right corner . Select Ye s if the display is really c onnected to [...]

First installation 37 8 Define display Enter the br and name, type and serial number . Indicate if the displa y is a flat panel or CRT display . Also , you ha ve to indicat e whether the display is a gra yscale display or not. Note : It is important to enter the correct data here , so that the display can be found quickly should a task on this disp[...]

First installation 38 Display function Select the required display function fr om the drop- down list. For most medical viewing applications, w e rec ommend you select the DIC OM display function, as this function resu lts in the most visible gra yscales. If you select Gamma , you can enter a display gamma v alue if the imaging board head, t o whic[...]

First installation 39 Enter the desired white and black luminance, e xpressed in cd /m² or f l, depending on the application settings. 11 Calibr ation Y ou can choose to calibra te the displays and poss ibly run a QA check on the displa ys after finishing the Wizar d. The Q/A check option can be checked only if the Calibrate option is checked. We [...]

First installation 40 12 Configur ation setup complete The Wizard is completed. Select Finish to return t o the main window . The display icons are no w filled in in the main window’s Configur ation section. Note: If MediCal Pro was installed for CRT displa ys and the Wizard has now detected only Barco flat pan el displays, a mess age appears, as[...]

First installation 41 The most common causes of failur es in finding Ba rc o displays are: • Data cables not or wrongly c onnected • Some of the displays hav e equal remote addresse s. The remote addres ses can be set by means of the display’s OSD menus. The Wizard provide s two ways t o solve a search pr oblem, taking the above-mentioned pos[...]

First installation 42 The Wizard no w continues with s tep 3 of the normal, pr eviously described sequenc e. If the connection problem persists , the Wizard will arrive at the search error page again. If this is the case, the problem may be caused by overl apping remot e addres ses (ID’s). b) The problem is pr obably caused by the r emote ID’ s[...]

First installation 43 3 The Wizard indicates it will start an inter active proc edure to set the remote addresses c o rrectly . First, check if the data cables between the computer and all Barco displays ar e connect ed corr ectly . When re ady , click on Next to c ontinu e. 4 Unplug the Remot e Out connection of the first display . When ready , cl[...]

First installation 44 7 Y ou have to r epeat the p revious step on the other Barco displa ys, in descending or der tow ards the c ompu ter . Read and follow the instructions of the Wizard car efully . 8 After having disc onnected each displa y one by one, r econnect all da ta cables. Make sure they are c onnected properly! Click on Next . 9 The Wiz[...]

First installation 45 After a few sec onds, the selected display shows a test pattern. At the same time, the display alignment dialog appears. The adjustments in the Alignment wi ndow are c ombined in a number of groups (display alignmen t families). Note : The number of alignment families and alignments depends on the type o f display you ar e abo[...]

First installation 46 East- W est geometry settings White uniformity settings (on c olor displays only) Special settings The Alignment dialog contains the follo wing elements: • The icons at the top of the dialog indicate the differ ent alignment families (e.g., horizontal geometry , vertical geometry etc. ). • The second r ow of icon s represe[...]

First installation 47 Horizontal geometry settings Horizontal position (course) Position the middle vertical line of the test image appro ximately in the cent er . This is a course adjustment . Y ou will get the opportunity to fine - tune later in the proc edure. Screen width Adjust the width of the whi te frame on the test image following the disp[...]

First installation 48 V ertical geometry settings V ertical position (course) Position the middle horizontal line of the test image approximately in the cent er . This is a course adjustment . Y ou will get the opportunity to fine - tune later in the proc edure. Scr een height Adjust the height of the white frame on the test image follo wing the di[...]

First installation 49 horizontal line appears under the be zel. This is the A WS line that is coming do wn again. Note : If you are unable to shift the AKB lines high enough until they have completely disapp eared, repeat the adjustm ent with a somewhat higher AKB remov a l val u e. 6 Select the AKB removal adjustment . Increase the adjustment unti[...]

First installation 50 Ve r t i c a l u n i f o r m i t y This adjustment is especially neces sary when the display is operating in the southern hemisphere or near the equator . Adjust to remove purity or uniformity errors, especially in the center o f the image. Note: After e ach change of vertical uniformity , you might notic e the image gets a sl[...]

First installation 51 T o adjust the astigmatism: 1 In the adju stment dialog , select the zone you want to adjust by clicking on the corre sponding number in the “Zone- selection” area. The corr esponding zone of the tes t image is highlighted. 2 Gently drag the Static F ocus slider completely t o the right (maximum adjustment). The highlighte[...]

First installation 52 2.7 Defining Pr esets Introduction For each displa y in the configuration, y ou must define a Preset. The Preset is very important in the Q/A concept. In a preset you define the display’s re ferenc e for visual behavior . With this refer ence , we wan t the display t o be conf orm. The Q/A tasks will use this re ferenc e to [...]

First installation 53 Select Preset s... from the drop-down menu. The Presets dialog appears. The left column sho ws the installe d presets. The right windo w pane shows the properties o f the preset selected in the left c olumn. Y ou can select an installed preset and, if nec essary , modify its properties. Alternatively , you can first copy the s[...]

First installation 54 White target setup on grayscale displays White target setup on color displays (screenshot taken fro m Barco Color Coronis displays) Measur e on nex t calibra tion Select this option if you do not wish to enter a tar get va lue now . Instead, the target value will be determined by measuring during the next calibration. Absolute[...]

First installation 55 the display can r each. This luminance will decr ease in time and calibration will be needed more fr equently . On systems with multiple Color C oronis displays connect ed, MediCal Pro will ask to calibrate the other displays to maximized luminanc e as well, taking into ac coun t that the lumina nc e on all these displays must[...]

First installation 56 Black target setup on co lor displays Measur e on next c alibra tion (Luminance) Select this option if you do not wish to enter a tar get va lue now . Instead, the target value will be determined by measuring during the next calibration. Absolute v alue (Luminance) Select this option if you wish t o enter a numeric target v al[...]

First installation 57 Absolute v alue (Chr oma - color displa ys only) Select this option if you wish t o enter a numeric target v alue. This option is preferr ed for Barco displa ys. Chroma (color displa ys only) Enter the color tempera ture or chroma v alue for black in the Kelvin or xy fields. These fields are available only if th e “Absolut e[...]

First installation 58 Display function Select the required display function fr om the drop- down list. For most medical viewing applications, w e rec ommend you select the DIC OM display function, as this function resu lts in the most visible gra yscales. If you select Gamma , you can enter a display gamma v alue if the imaging board head, t o whic[...]

First installation 59 2.10 Defining the Q/A task trigger set t ings The tasks can be categorized in thr ee groups, depending on the impact they have on the user and the applications running on the viewing station. The task categories are: The trigger settings determine when the tasks will be e xecuted after the y have bec ome due. Y ou can define t[...]

First installation 60 2 Select the Trigger Settings tab . 3 Set the trigger settings. The possible trigger sett ings are:[...]

First installation 61 When the user logs in T asks that have become due, wil l be executed at t he mom ent a user logs in on the workstation. This is a good setting for tasks that r equire a user interaction (non- intervention-free). The tasks are e xecut ed after they have bec ome due and at the moment someone logs in on the workstation. In that w[...]

First installation 62 No trigger settings de fined If you do not check any of the trigger settings, the task will not start automatically , even when it has be come due. The task can be run manually only . 2.1 1 When will a task start? First condition: T ask is due The first condition for a task to start, is that it is or becomes due. In other word[...]

First installation 63 Exampl e: Let us again suppose that the Measure Quality Le vel task is scheduled weekly , on Thur sday at 10 PM. Let us also suppose the trigger settings for this task are set to: "When the screen saver is activ ated". On Thursday a t 10.00 PM, a doctor is working on the works tation, viewing medical images. The task[...]

First installation 64[...]

Using MediCal Pr o 65 USING MEDIC AL PR O[...]

Using MediCal Pr o 66 3 Using MediC al Pr o 3.1 Starting up T o start MediCal Pro , proc eed as follows: 1 If the viewing station contains Barc o displays, make sure ther e is no on-screen display (OSD) on the screen of the displays. Please r efer to the display’s user manual to know how to do this. 2 Start MediCal Pro from the Start > Program[...]

Using MediCal Pr o 67 Select Quit application to s to p M ed i C al P ro. Th e n yo u c an t r y t o res t or e the hardw are connection t o the display that was mis sing, and restart MediCal Pro . Select Remove to continue with the start -up . 5 Also during startup, the following message may appear: This means a Q/A task is currentl y being perfor[...]

Using MediCal Pr o 68 3.3 Changing passwor ds When you have logged in as adva nced user , you can change the advanc e d user password. T o change the advanc ed user passwor d: 1 From the main window , press Alt - A on the keyboard or select T ools – Options – User Login... from the menus. Y our user name is still filled out in the User name fie[...]

Using MediCal Pr o 69 • Y ou can also calibrate a display by right -clicking on its icon in the main window , and selecting Calibrate ... from the drop-down menu. Calibr ating Barc o displays with built -in I- Guard sensor The Barco C oronis flat panel displays hav e a built -in optical sensor that communicates with MediCal Pro . The calibration [...]

Using MediCal Pr o 70 Important : Make sure there are no application window s or other items (e.g., the cursor) displayed under the sensor . They would cause the calibration to fail. When re ady , click on OK . 3 For sensors that have an ambient light shielding only: If the Ambient Light Compensation option in the Preset is checked, the softw are a[...]

Using MediCal Pr o 71 Full scr een calibr ation Full screen calibration is pos sible on Barco CRT displays only . The optical sensor must be c onnected to the displa y to be ab le to perf orm full scre en calibration. The function is gra yed if no t available on the display . The purpose of full screen calibra tion is to obtain a unif orm luminance[...]

Using MediCal Pr o 72 Make sure the sensor is c ompletely c overed (so that no light can enter the sensor) and click on OK . 2 Put the sensor , with Ambient Light Shield if appropriat e, on the image on the screen. Important : Make sure there are no application window s or other items (e.g., the cursor) displayed under the sensor . They would cause[...]

Using MediCal Pr o 73 4 The black luminance target v alue is determined now . The sensor measures a black patch. The re sult of the measurement is shown in a smal l Measure window in the c orner . a) If you hav e specified an absolute va lue for black luminance in the Preset, MediCal Pro displa ys this value in the message. Y ou must control the di[...]

Using MediCal Pr o 74 6 The black luminance and white luminance measurements may influence each o ther , so that the value of the first step changes wh en the second st ep is done. Therefor e, you ha ve to repe at both steps (steps 3 and 4) until both value s remain stable. 7C l i c k o n Ye s to repeat the measur ements. Click on No if the values [...]

Using MediCal Pr o 75 T o open the Q/A task setup window: In the main window , click on the Q/A Setup... button. The Q/A Setup window appea rs. When MediCal Pro is installed, a default task schedule is fille d in. The Q/A Setup window give s the following information: T ranspar ent inter- vention-fr e e The task runs complet ely in background. It d[...]

Using MediCal Pr o 76 Adding tasks By defau lt, the task schedule contains a number of task s. Other tasks ar e installed as plug-in. Y ou can add them to the schedule in the following way : 1 From the Q/A task se tup window , click on the Ta s k S e l e c t o r.. . button. The Add New T ask window appears. 2 T o get more information about a specif[...]

Using MediCal Pr o 77 2 Select Status > Di sable d to disable the task . A s a result, the task will not be ex ecuted until it is manually enabled again. Select Status > E nabled to enable the task to be executed. The task will be executed ac cording to the ent ered schedule. This is indica ted by the check mark in the Due column. Scheduling [...]

Using MediCal Pr o 78 Notes: • After enabling and scheduling a task , it may still not appe ar as a due task . The cause of this may be that the display(s) in the configuration are not calibrated. Some task s can be executed on calibr ated displays only . • The moment that the task will be ex ecuted automatically , depends on: a) the moment it [...]

Using MediCal Pr o 79 Description of the tasks T o display a task description 1 In the Q/A setup window , right - click on the name of the task of which you wish to vie w the description. A drop-down menu appears (see above). 2 Select Info ... The task description appears. 3.6 Perf orming Q/A checks Running Q/A tasks MediCal C ommunica tor service [...]

Using MediCal Pr o 80 T o run the due tasks, click on the Q/A Check... button in the main window . A window appea rs, displaying the due tasks for toda y . Click on Ye s to run the tasks immediately . All due tasks will be ex ecuted in the order they appe ar in MediCal Pro’s Q/A Setup window . Click on No to skip the e xecution of the tasks. The [...]

Using MediCal Pr o 81 3 Select Run Now . The task will start immediately . Checking task results Checking the results of ex ecuted tasks can be done with the MediCal Administrat or application, if installe d. Howe ver , also in MediCal Pro you can check the task results. T o check the task results , click on the Q/A Setup ... button in the main win[...]

Using MediCal Pr o 82 • T o see a description of the problem( s), click on the ques tion mark . The problem description appe ars. • T o get hints for a possible solution, click on the sentenc e See here ho w to solv e this problem . As a result , an html page with problem solving hints appears. T o display all tasks’ last r esults T o display[...]

Using MediCal Pr o 83 • T o see the history log of a task , clic k the task name in the All Results window . • For tasks that w ere Not OK : T o se e a problem description and a hint to solve the problem, click on the question mark next to the task in the All Results window . T o display a particular task ’ s last result T o display a particu[...]

Using MediCal Pr o 84 • For tasks that w ere Not OK : T o se e a problem description and a hint to solve the problem, click on the question mark next to the task in the Last Result window . T o display a particular task ’ s history o f results: In the Last Resu lt window (see above), click on the underli ned name of the tas k . The history is d[...]

Using MediCal Pr o 85 T o see more (older) results in the history list , clic k on the double arrow under the scroll bar at the right of the list . T o define the number of results y ou want to see in the hist ory list , click on the small square under the scroll bar at the right of the list , and select the number of results by mo ving the slider [...]

Using MediCal Pr o 86 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 t o select any jpg, bmp or gif image file on the com pu te r . 4 Click on the Loa d button. After a few sec onds, the test pattern will appear . 5 The following patterns pro vide a Measure[...]

Using MediCal Pr o 87 Bands with te xt This pa ttern can be used t o check if the di splay func- tion is perc eptually linear (calibra ted ac cording t o the DIC OM display curve). This is the case if the text in all of the bands is legi- ble. Briggs This pattern can be used to check if the di splay func- tion is perc eptually linear (calibra ted a[...]

Using MediCal Pr o 88 3.7 Changing an e xisting configur ation When a configur ation is set up , you can add or remov e displays without running the Con figuration Setup Wizar d. Note : After changing anything t o the configura tion, you need to run the Q/A tasks again. If not , the task results w ill appear Unknown. Adding a display If the main wi[...]

Using MediCal Pr o 89 2 Barco flat panel displays ar e added immediately . For all other display types, the Display C o nnection Setup dialog appears. a) Select the USB tab if you w ant to add a Barco displa y (flat panel or CRT) c onnected t o the USB bus . • From the dr op-d own list, select the serial number of the display connected to t his h[...]

Using MediCal Pr o 90 • Check the communication port to which the display is c onnected. • Select the Remote Addres s number corresponding to the displa y’s remot e address. •C l i c k o n Identif y to see which display is connected t o which head. For a few sec onds, you will see the letter of the he ads on the displays. They automatical l[...]

Using MediCal Pr o 91 Note : When a display is r emoved fr om the con figuration, the task histories related t o that display will no longer be visible in MediCal Pro . Howe ver , the histories are not deleted. Wh en you connect the same display again, the histories will be visible as well. 3.8 Connecting t o MediCal Administr ator When MediCal Pro[...]

Using MediCal Pr o 92 2 Select the General tab . 3I f Logging is checked, the manipulations are registered in the log file. If Exte nd ed Logging is checked, more data are register ed in the log file. Ho weve r , selecting this option will slow down MediCal Pro . Example of a Log file[...]

Using MediCal Pr o 93 3.10 Selecting Luminance units The results and v alues of luminance measur ements can be expressed in Candela per square met er (Cd/m²) or Footlambert (fL). T o select the luminance units: 1 From the T ools menu, select Options > Application Settings (see above). 2 Select the General tab (see ab ove ). 3 Select the desired[...]

Using MediCal Pr o 94 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 buttons left of the sensor list to change the priority of sensors. 3.13 Additional display function s Viewing displa y and imaging board properties In the Configuration section in the main [...]

Using MediCal Pr o 95 The display devic e properties dialog appe ars. Display Pr operties Select the Display tab in the display device properties dialog. Brand name: The display brand name . Display type: The displa y type or description. Serial number: The display’s seri al number . Softwar e number: The order number of the display’s internal [...]

Using MediCal Pr o 96 Display Details: Flat panel displays 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 softwar e has detected the display is a gra yscale display (BA RCO displays only) or if the user has defined the display as [...]

Using MediCal Pr o 97 Display Details: CRT di splays Stabilizer Check this option to swit ch on the backlight sta- bilizer . The option is grayed if no t applicable to the select ed display . DPMS Check this option t o switch on the Po wer Saving utility (DPMS). The option is gray ed if not appli- cable to the selected display . Pow er LED Check th[...]

Using MediCal Pr o 98 Info Miscellaneous Imaging boar d properties Displa y Number The order nu mber of the displ ay Softw are Number The order num ber of the displ ay’s int ernal sof twar e (BARCO displays only) Softwar e version The version of th e display’s internal softw are (BARC O displays only) Lifetime The time (in hours) the display ha[...]

Using MediCal Pr o 99 Select the Imaging board tab in the display devic e properties dialog. Contr ol ling Contr ast & Brightness This function is available f or BARCO CR T displays only . In the Configuration section in the main window , right -click on the icon of the displa y you wish to c ontrol con trast or brightnes s of . From the dr op-[...]

Using MediCal Pro 100 Automa tic Cont ra st / Brightness If checked, this function uses the Ambient Light Compensation option to contr ol Contr ast and Brightness automatically . In that case, the C ontrast and Brightnes s will be set depending on the ambient light around the display . This function is gra yed if the Ambient Light Co mpensation opt[...]

Using MediCal Pro 101 From the dr op- down menu that appears, select Luminanc e Uniformity Correction... The Luminance Uniformity Corr ection sy stem, if calibr ated by means of “Full Screen Calibration” (see below), ensur es a uniform luminanc e, ev en in the corners of the picture tube. This function is gra yed if the func tion is not a vaila[...]

Using MediCal Pro 102 As a result, possible purity errors in the image (so -called hot spots) are remov ed. The display automa tically degausses at switch-on. 3.14 Special functions f or displa ys in mammogr aphy systems These functions are av ailable for Barco displa ys of type MFGD 5621 HD only . T o get acc ess to the special functions: 1 In the[...]

Using MediCal Pro 103 When clicking on Show Pixel Defects , a map with all pixel artif acts appears on the screen. Each artifact is indicated b y a symbol. • A black circle indicates a partly bright subpix el. • A white square indicate s a dark or partly dark subpixel. T o get mor e information about a single pixel artif act , move your mouse o[...]

Using MediCal Pro 104 The change in appear ance is activ ated aft er restarting MediCal Pr o . 3.16 Getting help Cont ext -sensitive help MediCal Pro c ontains c onte xt -sensitive help . T o get help about a particular view or window , press F1 on the computer keyboard. As a result , the online help pages will open at the desir ed help page. Help [...]

Glossary 105 GLOSSARY[...]

Glossary 106 4 Glossary Q/A check In softcopy diagnostic systems, displays are used to jud ge medical images and to take conclusions about patients’ physical condition. It is obvious that the i mage qualit y is of the utmost importance. Therefore it is necessary to c h eck the quality of the system, and especially the d isplays’ image quality ,[...]

Glossary 107 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 co nnected physically , by means of cables and connectors. Configur ation The configuration i n MediCal Pro is the software representation of the viewin[...]

Glossary 108 This is called a dual head imagi ng board. It is like two complete imaging boards implemented on one sing le unit. A dual head board in the computer behaves exactly as if two separate boards were installed. DIC OM DICOM stands for Digit al Imaging and Communicatio ns in Medicine . It is a standard developed by the American College of R[...]

109 Index Symbols (Advanced user symbol) 10 A Add Barco display 89 Add Display 15, 88 Address 21, 42, 98 Advanced user 25 Advanced user mode 10, 13 AKB removal 48 AKB shift 48 Alignment 16, 44 Ambient Light Compensation 38, 58, 70, 72, 100 Ambient Light Shield 69, 71, 72 Automatic Contrast / Brightness 100 Axial uniformity 50 B Black chroma 56 Blac[...]

110 Consistency 10 Contrast 16 Corner deformation 49 D Daily 77 Data connection 22, 41 Defect pixel 102 Degauss 16 Display alignment 44 Display Details 96, 97 Display device 107 Display function 37, 38, 52, 58 Display Properties 95 E Every Screen 86 F FL 93 Flat panel display 11, 24 , 25, 32, 34, 40, 44, 68, 90, 93, 96 Footlambert 93 Full Screen 86[...]

111 Horizontal linearity 47 Horizontal position 47 Horizontal S-correction 47 I Identify 16 Imaging board properties 98 Invert LUT 86 L Last Q/A check 12 Linearize LUT 86 List Pixel Defects 103 Logging 91 Luminance Uniformity Correction 71 M Main window 12 Mammography systems 102 MediCal Administrator 25 Medical viewin g station 29, 107 Microblemis[...]

112 Per Pixel Uniformity 97, 102 Pixel defects 97, 102, 103 Powersave 97, 98 PPU 97, 102 Presets 16 Properties 15, 78, 79, 94, 102 Q Q/A Check 12, 63 Q/A Setup 13, 75 Q/A task Running All due tasks 79 Single task 80 Q/A tasks 106 Quarterly 77 R Remote address 21, 42, 98 Remote Timeout 98 Remove Display 16, 90 Result 12 Rotation 47 S Screen height 4[...]

113 T Task frequency Daily 77 Monthly 77 Quarterly 77 Twice a Year 77 Weekly 77 Yearly 77 Task history 84 Test Patterns 13 Todays Q/A tasks 12 Tools menu 13 Trapezoid deformation 49 trigger settings 59 Twice a Year 77 U Unknown 12 User Login 67 User mode 10 V Vertical linearity 48 Vertical position 48 Vertical S-correction 48 Vertical uniformity 50[...]

114 Y Yearly 77[...]