j. Use the lead sheets to block off the surrounding regions.
k. Set the SID at 40 inches.
l. Set the control panel.
(1)
80 kVp.
(2)
75 mAs.
m. Make the exposure.
n. Collimate the x-ray beam to the 100 kVp region (see figure 4-4).
Figure 4-4. Testing 100 kVp region.
MD0062
4-5