Dose Rate; Checking The Camera Optics Centering At The I.i. Output - Siemens SIREMOBIL Iso-C Service Instructions Manual

Replacing boards / replacing components

Dose rate

•
Check the dose rate and, if necessary, adjust it.

Checking the camera optics centering at the I.I. output

WARNING
•
Mark the center of the I.I. input as precisely as possible using a small washer and adhe-
sive tape.
If there is a laser light localizer, the I.I. attachment with the lead cross can also be used.
•
Select the survey format.
•
Move the camera into the 0° position.
•
Switch fluoro on briefly.
•
Mark the center of the washer or lead cross on the monitor (refer to Fig. 9).
•
Rotate the camera in the -220° position.
•
Mark the center again on the monitor (refer to Fig. 9).
•
Rotate the camera in the in +220° position.
•
Mark the center again on the monitor (refer to Fig. 9).
•
Place an 8 mm washer over the three markings.
All three markings must be located within the 8mm diameter of the washer. An 8 mm
washer has a somewhat larger inner diameter of 8.4 mm, therefore the markings must
clearly lie within the inner diameter and should not touch the edge of the washer.
•
If the diameter is e 8mm, the following centering adjustment does not have to be per-
formed.
Continue with "checks and adjustments".
•
If the markings exceed > 8 mm, proceed as follows.
Siemens AG
Medical Solutions
X-ray radiation!
See Chapter 1, Safety Information.
Use radiation protection! Wear a lead apron.
SPR2-230.061.01
Rev. 13
Page 21 of 48
12.04 CS PS 24
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SIREMOBIL Iso-C
System Manual