User Manual

Total Station Manual
15
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Rotate instrument 90°by vertical axis, then use foot screw C to center the
bubble.
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Repeatsteps above until the bubble is at the same place in all directions.
2. Centering by centering tool ( optional or laser )
1) Set up a tripod
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 oneleg
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,andadjust
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 .Adjustthree feet screws of total station and keep the optical
centering tool (or laser centering) aiming at the station accurately.
3) Leveling instrument roughly by circular level
(Same as The section abovethat discusses centering and leveling with plumb bob)
4) Leveling instrument accurately by tubelevel
(Same as The section abovethat discusses centering and leveling with plumb bob)
5) Centering and leveling accurately
Loosen center connection screw slightly and move instrument horizontally(Don’t
rotate instrument) through observation to optical plummet, making the instrument