Total Station Manual
4) Using the plate level to level the instrument precisely
1
Loosen the horizontal locking screw and turn the instrument around
until the plate level is perpendicular to a line shaped with screws A and B.
Adjust the screws A and B to make the bubble in the center of the level;
2
Turn the instrument approximately 90° and adjust screw C until the
bubble in the center of the level;
3
Turn around the instrument 90°again. Repeat above steps until the
bubble remains in the center of the plate level even though the
instrument is rotated to any position.
2. Centering by centering tool ( optional or laser )
Extend a tripod to the appropriate height 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 surveying point. Brace tripod on the ground and keep one
leg fixed.
2) Set up instrument and spotting
Put instruments on a tripod carefully, and tighten the center connection
screw. Adjust the optical centering tool to make reticule clear (open instrument
and laser centering if it’s a laser centering tool).Handle another two unfixed legs,
and adjust their position through the observation of the optical plummet. Make
the three legs of the tripod fixed on the ground when the optical plummet is
aligned to the station approximately .Adjust three feet screws of total station and
keep the optical centering tool (or laser centering) aiming at the station accurately.
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