Table 21: kV variation over patient size
Patient size kV
Extra Small normal kV * 0.9
Small normal kV * 0.95
Medium normal kV
Large normal kV * 1.05
Extra Large normal kV * 1.1
AEC dose failure
The AEC dose failure safety device terminates the X-ray exposure when no
radiation is detected in the ionization chamber or when the selected
parameters (short backup time/mAs) are not appropriate for an exposure
with AEC.
122 | DR 400 | Software Console and Tube Head Display
3231E EN 20210708 1530
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