SIREMOBIL Compact Register 5 RXR2-130.061.02 Page 10 of 22 Siemens AG
System Manual Rev. 03 10.03 CS PS 24 Medical Engineering
5 - 10 Adjustments / Programs
Collimator, X-Iris 5
• Attach the center cross in the center of the image intensifier input screen.
• Connect the service PC to the serial interface on board D1.
• Start the service program.
• Select the Adjustment, Calibrations menu.
• Answer the query with "yes".
• Select "X-Iris" in the "Function Groups" combo box.
• In the "Available Functions:" window select "1. Init (Limits Off / Autosearch)" and click on
Execute.
• Close the status window by clicking on the OK button.
• For the query "Do you want to reset the unit," click "No".
• The X-Iris can now be completely opened and closed with the X-Iris keys.
• Select I.I. survey format.
• During fluoroscopy, adjust the X-Iris by opening and closing the X-Iris keys so that the
collimator blades are still visible along the edge of the I.I.
• Stop fluoroscopy.
• Select "2. II. - Full Format Position" on the service PC and click on "Execute" .
• Close the status window by clicking on the OK button.
• For the query "Do you want to reset the unit," click "No".
• Switch to zoom format.
• During fluoroscopy, adjust the X-Iris by opening and closing the X-Iris keys so that the
collimator blades are still visible along the edge of the I.I.
• Stop fluoroscopy.
• Select "3. II. - Zoom Format Position" on the service PC and click on "Execute" .
• Close the status window by clicking on the OK button.
• For the query "Do you want to reset the unit," click "No".
• Open the X-Iris completely.
• Select "4. CEX Position" on the service PC and click on "Execute" .
• For the query "Do you want to reset the unit", click "No" .
• Close the X-Iris completely.
Because of the mechanical hysteresis of the semi-transparent
slot diaphragm, open the collimator blades to maximum aperture,
prior to adjusting the radiation iris.
X-ray radiation!
See Chapter 1, Safety Information.
Protect yourself against radiation exposure. Wear a lead apron.
NOTE
WARNING
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