Sokkia 130R Series Operator's Manual page 154

27. CHECKS AND ADJUSTMENTS
5. When the surveying 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 surveying point is on the
solid line (dotted line):
3 Loosen the right (left) screw
slightly and,
4 Tighten the left (right) screw
by the same amount.
7. Check the adjustment by rotating
the upper part of the instrument.
The surveying point should remain
centered in the reticle. If
necessary, repeat the adjustment.
8. Remove the optical plummet knob
cover, and install the optical
plummet reticle cover on the
inside.
Replace the optical plummet knob
cover.
Do not over-tighten the 4 adjusting screws as this may cause the reticle to go out
of adjustment
146
1 (2)
2 (1)
4
(3)
3
(4)