Adjustments / Programs 5 - 11
Siemens AG SPR2-230.061.01 Page 11 of 30 SIREMOBIL Iso-C
Medical Solutions Rev. 13 12.04 CS PS 24 System Manual
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 of the SIREMOBIL Iso-C.
• Start the service program.
• Select the "Adjustment, Calibration" menu.
• Answer the query with "yes".
• Select "X-Iris" in the "Function Groups" combo box.
• In the window "Available Functions:" 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 it with the X-Iris keys so that
the collimator blades are still visible along the edge of the I.I.
• 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.
• 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" .
• Close the status window by clicking on the OK button.
• For the query "Do you want to reset the Unit", click "No" .
• Close the X-Iris completely.
• Release fluoroscopy. The X-Iris must close to < 4.5 cm .
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.
Observe the need for radiation protection. Wear a lead apron.
NOTE
WARNING
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