16
2.2 Levelling-Up
(1) Basic Levelling-Up with the circular level
1. Move the foot screws A and B in opposite
direction till
the circular bubble is perpendicular to a line
shaped with
screw A and B. The direction of rotation in left
thumb indicates the movement of the circular
bubble.
2. Move the bubble to the center of the circle by
turning
screw C.
(2) Accurate Levelling-Up with plate level
1. Loosen the horizontal motion clamp, and
turn the instrument till the plate level is
parallel 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.
Screw A
Screw B
Screw
C
Screw C
Screw A
Screw C
Screw
B
Screw B
Screw A
Plate
level
Screw C
Summary of Contents for LPG-300 Series
Page 1: ...Basic Instruction Manual Total Station LGP 300 series LGP 302N LGP 305N TI Asahi Co Ltd...
Page 2: ...2...
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