Sokkia CX Series Operator's Manual page 280

35. CHECKS AND ADJUSTMENTS
PROCEDURE Adjustment
3. Correct half the deviation with the
levelling foot screw.
4. Firmly hold down the top portion of
the instrument, and remove the
optical plummet knob cover, then
remove the optical plummet reticle
cover on the inside.
Replace the optical plummet knob
cover.
Use the 4 adjusting screws of the
optical plummet to adjust the
remaining half of the deviation as
show below.
5. When the survey point is on the
lower (upper) part of the
illustration:
1 Loosen the upper (lower)
screw slightly.
2 Tighten the lower (upper)
screw by the same amount.
6. If the survey point is on the solid
line (dotted line):
3 Loosen the right (left) screw
slightly.
4 Tighten the left (right) screw
by the same amount.
270
Optical plummet
reticle cover
Optical plummet
knob cover
1 (2)
2 (1)
4
(3)
3
(4)