A. Turn the leveling screw A and B to move the bubble in the circular vial, in which case
the bubble is located on a line perpendicular to a line running through the centers of the
two leveling screw being adjusted .
B. Turn the leveling screw C to move the bubble to the center of the circular vial.
C. You can also adjust the bubble by electric.
4) Focusing the lens
A. Aim at a bright background, for example a piece of white paper
B. Rotate the eyepiece to clear the cross-line
C. Aim at the code staff by collimator at first
D. Rotate the telescope focusing screw to clear the image. The code staff and cross-line
will not move according the eyes’ movement.
1.5 Others
1) Please check the i Angle of KL-03, the circular bubble on equipment and staff before:
① doing the field measurement
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