Setting Up The Instrument; Centering - Sokkia CX-52 Operator's Manual

7. SETTING UP THE INSTRUMENT


• Mount the battery in the instrument before performing this operation because
the instrument will tilt slightly if the battery is mounted after levelling.
7.1

Centering

PROCEDURE Centering with the optical plummet eyepiece
1. Make sure the legs are spaced at
equal intervals and the head is
approximately level.
Set the tripod so that the head is
positioned over the survey point.
Make sure the tripod shoes are
firmly fixed in the ground.
2. Place the instrument on the tripod
head.
Supporting it with one hand,
tighten the centering screw on the
bottom of the unit to make sure it is
secured to the tripod.
3. Looking through the optical
plummet eyepiece, turn the optical
plummet eyepiece to focus on the
reticle.
Turn the optical plummet focussing
ring to focus on the survey point.
Focussing on the survey point
Focussing
on the
reticle
Centering screw
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