4.4 Patient Positioning Lights Alignment
After aligning the Ball Phantom, turn the Patient Positioning Lights on again
by holding the layer right button for 1 second. (Figure 58)
NOTE: Make sure layer is at zero when aligning positional lights. If layer is not at zero need to zero-
out layer before aligning beams.
Press the i icon in the lower left hand corner. (Figure 59)
Figure 58
Figure 59
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