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2 - 10
QSQ
Checking coincidence of light field and radiation field
•
Connect the power plug, POLYMOBIL ON.
•
Load a 24 cm x 30 cm or 10" x 12" cassette with film and place it on a table or similar
support.
•
Use a tape measure to set a vertical SID of 100 cm or 40" to the top edge of the cassette.
•
Use the control knobs to set a format of 18 cm x 24 cm or 8" x 10".
•
Switch the light localizer on and align the cassette.
•
Place radio-opaque marks (e.g. washers, coins) on the cassette as shown in the
diagram.
Use a washer as side marker.
•
Release exposure (60 kV, 10mAs), and process the film.
•
Make a note on the processed film of the following data using a waterproof felt tip pen:
- Adjusted SID
- Film size
- Radiation field size
Polymobil 10
Inspection and maintenance
Length
RXR8-120.101.01
Rev. 05
07.05
Mark
Side marker
Page 10 of 14
CS PS 24
Siemens AG
Medical Solutions
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