T.O.2
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Preparation before Measurement
3.2 Erection of the Instrument
Erection of the
instrument
1. Stretch the tripod to a proper hight.
2. Ensure that the measure point is exactly under the central hole of the tripod head.
3. Level up the tripod (this is very important when centering with plumb bob).
4. Ensure that all locking handles are securely tightened.
5. Secure the instrument to the tripod.
3.3 Leveling up of the Instrument
Leveling up of the
instrument
3. Turn the collimation 90° adjust the leveling screw A and make the bubble sit in the
center.
4. Repeat 2. to 3., until the bubble is in the center for both directions.
1. Centering the circle vial using leveling
screws A, B and C.
2. Turn the collimation unit so that the axis
of the tubular vial is parallel to the
connecting line of B and C. Adjust B and
C so that the tubular vial is centered.
