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2. Instrument Operation
2.1 Instrument Setting
• Extend the tripod legs until the top
holder is at eye level.
• Tighten screws and stick tripod legs
firmly into the ground.
• Set the instrument and tighten the
centering screw. (fig. 1)
• Move the bubble to the centre of the
circle by adjusting the foot screws (fig. 2).
Adjust A and B screws to move the bubble
left and right, then adjust C screw to move
the bubble into the centre circle.
A
B
C
A
B
C
6
Fig. 1
Fig. 2
Center Screw
Tighten Screw