Sokkia SET 550 Setup And Operation page 13

Step 4: Leveling
Step 4: Leveling
Observe the survey point in the optical
Observe the survey point in the optical
plummet and center the point by loosening the
plummet and center the point by loosening the
centering screw and sliding the entire
centering screw and sliding the entire
instrument
instrument
After re - tightening the centering screw check
After re - tightening the centering screw check
to make sure the plate level bubble is level in
to make sure the plate level bubble is level in
several directions
several directions
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