Canon OMNERA 500A Operator's Manual page 36

Safety
Radiation and X-Ray Tube
C
Fig. 2-7 S = Significant zone of occupancy
A Central beam
B Decreasing
C Residual radiation area
2.11.1.3 Protection Against Residual Radiation
The remaining part of the X-ray beam after having passed the plane of the image reception
area (detector and detector holder) can be significantly high. Never stand behind the
wallstand during an exposure, see Fig. 2-7.
OMNERA 500A
B
A
B
1000-095-071-EN Rev. 2.1
Page 28
Fig. 2-7 shows a top view of the wallstand
and the zone of occupancy, where the
arrows B show the direction of decreasing
scatter radiation levels.
Operator´s Manual