Topcon OS-103 - Distance measurement specifications

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22. CHECKS AND ADJUSTMENTS
8. Turn the upper part of the instrument horizontally
and check that the laser beam is now aligned with
the target center.
9. Re-attach the laser plummet adjustment cap.

• Tightening each of the fine adjustment screws moves the laser plummet beam in the directions
shown below.
Up
Right
Left
Down
Tighten "Up" screw
Tighten "Left"
screw
Tighten "Down" screw
Tighten "Right"
screw
Fine adjustment screws
Laser plummet adjustment cap
pointing towards user