Levelling - Sokkia SRX1 Operator's Manual

9.2

Levelling

Instrument can be levelled using the screen.
 
" Levelling on the screen"
PROCEDURE
1. Adjust the levelling foot screws to center the
surveying point in the optical plummet reticle.
2. Center the bubble in the circular level by either
shortening the tripod leg closest to the offcenter
direction of the bubble or by lengthening the
tripod leg farthest from the offcenter direction of
the bubble. Adjust one more tripod leg to center
the bubble.
3. Turn the upper part of the instrument until the
plate level is parallel to a line between levelling
foot screws A and B.
Center the air bubble using levelling foot screws
A and B.
The bubble moves towards a clockwise rotated
levelling foot screw.
4. Turn the upper part of the instrument though
90°.
The plate level is now perpendicular to a line
between levelling foot screws A and B.
Center the air bubble using levelling foot screw
C.
9. SETTING UP THE INSTRUMENT
Tripod legs
adjustment
45