4. Verify that the swivel is free to rotate by moving the Swivel Lock Knob to the Unlock position.
Move the Rocker Arm to position it as desired.
5. Draw Plunger down far enough to allow the clamp to be opened to an appropriate width. Install
skull pins. (Use Radiolucent Pins (A2020) if the clamp will be applied to the patient during the
scan).
Figure 16 Swivel Rotation Verification
Figure 17 Opening Clamp
Page 17