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14. EXPLANATION
Sighting can be more accurately performed by facing the 360° Prism toward the total station. The 360°
Prism should be set up so that a pair of diametrically-opposed hexagonal points on its rubber flanges
are aligned with the sighting direction of the total station (see the diagram below).
14.1
High Accuracy with the 360° Prism
: Hexagonal points