Chapter 2: Safety and Regulatory
Optima XR220amx X-Ray System 54400222-1EN Rev 1 DRAFT 11092010 2-28
Operator Manual © 2010 General Electric Company. All rights reserved.
CAUTION Use the largest possible focal spot-to-skin distance to keep the patient absorbed
dose as small as possible.
CAUTION If no technical factors are present in the system for any view, the default settings
are:
– kV = 50
– ma = 100 (fixed setting)
–mAs = .05
These values are placeholders only. No exposures should be made until the user
selects values appropriate for the patient size.
CAUTION This system source assembly is designed to be used with only the Optima
XR220amx tube and collimator. Replacement of either of these components with
different types may render the system non-compliant to applicable radiation
safety standards and regulations.
4.00 400
3.20 500
2.50 640
2.00 800
1.60 1000
Table 2-18 Dose Chart
Expected receptor Default Dose (μGy) at 80 kVp
is less than:
Equivalent Film Speed
DRAFT REVIEW COPY
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