j. Rotate the AB-643/FPN-40 with the MOUNT POSITION switch (S4206)
until the support beam casting (Figure 6) is parallel with the front of the
CY-2830/FPN-40 (Figure 17).
Radar set group OA-2665/FPN-40.
k. Adjust the two side leg leveling jacks (Figure 7) until the cross
arm spirit level that is parallel to the support beam casting (Figure 11) is
level (Figure 12).