Topcon RL-VH3A - Vertical Rotation Setup; Using the Plumb Beam

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Vertical Rotation
1 Place the instrument on its back as shown in the illus-
tration.
2 Turn the leveling screw on the instrument until the bub-
ble is centered in the circular level vial.
Using Plumb beam (RL-VH3B has vertical plumb beam only)
You can set the instrument using with the plum laser for centering.
Press the plumb beam key to emit the plumb beam.
Vertical
circular vial
Leveling screw
Plumb beam for vertical operation
Plumb beam for vertical
operation