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Fig. 3
Aligning the light field to the radiation field
Operating sequence:
•
Load a 24 cm x 30 cm or 10"x 12" cassette with film and place it on a table or a similar
base.
•
Using a tape measure, set a vertical SID of 100 cm or 40" to the upper edge of the
cassette.
•
Using the control buttons, set a format of 18 cm x 24 cm or 8"x 10.
•
Switch on the light localizer and align the cassette.
•
Attach radiopaque markings (e.g. washers, coins) to the cassette as shown in Fig. 3.
Attach a washer as lateral marking.
•
Trigger an exposure (60 kV, 10mAs) and develop the film.
•
Using a waterproof felt pen, write the following data on the developed film.
- Set SID
- Film size
- Radiation field size
POLYMOBIL III
Notes on trouble-shooting
Length
RXB8-115.061.02
Rev. 01
10.95
Marking
Side marking
Page 20 of 24
CS PS 24
4
Siemens AG
Medical Solutions
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