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Barco MediCal LE Installation & User Manual

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MediCal LE
Installation & User Manual

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Summary of Contents for Barco MediCal LE

  • Page 1 MediCal LE Installation & User Manual...
  • Page 2 B410015 - 02 November 2004 www.barco.com...
  • Page 3 Introduction Introduction MediCal LE is a user-friendly and efficient tool for Q/A check and conformance calibration of medical displays and display systems. With MediCal LE you can: • Perform Q/A checks observing many kinds of test patterns. See § “Performing quality checks with test patterns”...

  • Page 4: Installation

    Before installing MediCal LE 1. You must have Administrator privileges to install the software. 2. If there are older versions of MediCal LE installed on the PC, remove them. Please refer to the § “Uninstalling MediCal LE”, further in this chapter.
  • Page 5 3. From the Start menu, select Settings > Control Panel. 4. Double-click on the Add/Remove Programs icon. 5. Select MediCal LE from the list box at the bottom of the Add/ Remove Program Properties dialog. 6. Click on the Add/Remove... button.
  • Page 6 Optical sensor connection Supported sensors: MediCal LE 1.03 supports 2 types of sensors. When sold as full package, MediCal LE 1.03 comes with the circular-shaped Barco LCD sensor. MediCal LE 1.03 also supports the sensor that came with previous versions of MediCal LE (an oval sensor).
  • Page 7 3. Turn the sensor head adapter in clockwise sense. To connect the sensor: 1. Put the MediCal LE CD-ROM in the CD-ROM drive. A screen will appear, but do NOT click on any button. 2. Plug the sensor in one of the USB connectors of your PC.
  • Page 8 Installation To use the sensor: The Barco LCD sensor, standard delivered with MediCal LE 1.03, is provided with a metal counterweight around the sensor cable. Thanks to this counterweight, you can let the sensor cable hang over the top of the display during calibration or measurement.
  • Page 9 Starting MediCal LE Starting MediCal LE After installing MediCal LE, its icon appears in the System Tray in the Task Bar. The icon appears crossed out in case the display(s) are not calibrated yet. This is the initial situation after installing MediCal LE The icon appears without the cross after calibration.
  • Page 10 At least one display must be selected . To display a pre-defined test pattern 1. Open MediCal LE. 2. Click on the Test Patterns... button. 3. Use the Next (>) and Back (<) buttons to scroll through the possible test patterns.
  • Page 11 Performing quality checks with test patterns To display a custom test pattern 1. Open MediCal LE. 2. Click on the Test Patterns... button. 3. Double-click on the Browse icon. 4. An explorer-like dialog appears. Browse to the location where the desired image is stored, select the image, and click Open.
  • Page 12 Performing quality checks with test patterns Pre-defined test pattern description SMPTE The SMPTE pattern is a universal pattern with which you can check geometry, focus, white luminance, bandwidth and display curve. We suggest to check on display curve. Therefore, check the patches with the 5% gray square on black and the 95% white square on white.
  • Page 13 This is the case if the text in all of the bands is legible. Browse Browse and select your own test pattern. MediCal LE supports bmp, tif, jpg and gif files. Character This pattern can be used to check the image focus.
  • Page 14 Note: To see what the correction in MediCal LE does to your image, it may be a good idea to compare the SMPTE or Briggs pattern with the correction enabled and disabled. You can do this by clicking the right mouse button on the pattern and disabling the Calibrated option.

  • Page 15: Calibrating Displays

    2. The Found New Hardware wizard may appear, asking you to search for a suitable driver. You can find the sensor drivers on the MediCal LE CD-ROM. For more information, see § ““Optical sensor connection””. 3. When done, open MediCal LE.
  • Page 16 7. Select what kind of display you are going to calibrate: LCD (flat panel display) or CRT (display with a picture tube). When done, click on Next. 8. When you use the sensor that came with MediCal LE 1.03 (a circular-shaped sensor), you are asked to calibrate the sensor first.
  • Page 17 Calibrating displays 10. When you have selected to calibrate an “LCD” display, check if geometry and phase are well-aligned. If they are well-aligned, the image is clear, crisp and stable. If they are not well-aligned, the image will show dark bands and/or vibrations, especially in the gray border of the image.
  • Page 18 Calibrating displays 15. When the calibration is finished successfully, the Calibration Successful message appears and a 'happy' sound is played. 16. Click on the Finish button. The Calibration Wizard will start on the next display, in case of a multi-head system. Notes: •...
  • Page 19 Options Options 1. Open MediCal LE. 2. Click on the Options button. 3. Select the display function for all displays of the system. We recommend to select DICOM in almost any medical application. The DICOM curve, if calibrated, ensures that you can distinguish the highest possible number of gray levels.
  • Page 20 You can ignore the corrections you have performed on the display system with MediCal LE. Therefore, right-click on the MediCal LE icon in the Windows Task Bar (the MediCal LE application must be closed). Select Disable Calibration. The selected menu item changes to "Enable calibration".

  • Page 21: Troubleshooting

    The sensor is connected, but the system does not find it This may be the case when you unplugged the sensor, and plugged back in while MediCal LE resided in the system tray. Solve this by rebooting your computer. Display window or test patterns appear dithered Ensure that the selected color palette in the display properties is set to True Color.
  • Page 22 Glossary Glossary Frequently-used terms: Calibration In many cases, calibration is the remedy for a display that is no longer conform to its target working point, which is defined by the black and white luminance and the display function. The calibration routine restores the black luminance, the white luminance and the display function.
  • Page 23 CIE stands for Commission Internationale d'éclairage (International commission on illumination), an organization devoted to international cooperation and exchange of information on all matters relating to the science and art of lighting. The CIE display curve in MediCal LE is based on the CIE 1976 standard.
  • Page 24 About MediCal LE About MediCal LE MediCal LE 1.03 version Copyright © 2001-2004 BARCO nv. All rights reserved. More information? http://www.barco.com/medical/...

  • Page 25: Warranty And License Agreement

    Warranty and License Agreement Software License Agreement This is a legal Agreement between you, the end user, and BARCO NV., a Belgian cor- poration (“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 hard- ware (“Product Materials”) to the person or place from which you obtained them for a...
  • Page 26 Software, even if BARCO NV has been advised of the possibility of such damages; or for any claim by any other party under any legal or equitable theory.
  • Page 27 You acknowledge that the laws and regulations of the United States restrict the export and reexport of the Software. You agree that you will not export or reexport the Soft- ware in any form without first obtaining written approval from BARCO NV and the appropriate U.S. and foreign government approvals.