o. Use the lead sheets to block off the surrounding regions.
p. Set the SID at 40 inches.
q. Set the control panel.
(1)
100 kVp.
(2)
15 mAs.
r. Make the exposure.
s. Collimate the x-ray beam to the 120 kVp region (see figure 4-5).
Figure 4-5. Testing 120 kVp region.
MD0062
4-6