7. SETTING UP THE INSTRUMENT
6. Loosen the centering screw
slightly.
Looking through the optical
plummet eyepiece, slide the
instrument over the tripod head
until the survey point is exactly
centered in the reticle.
Retighten the centering screw
securely.
• When the instrument was
centered using the laser
plummet, emit the plummet
beam again to check position
over the survey point.
PROCEDURE Centering
with the laser plummet (
7. Check again to make sure the
bubble in the plate level is
centered
If not, repeat the procedure starting
from step 2.
34
)