CST/BERGER 56-DGT2 Manual De Instrucciones página 15

C) Return to the original position in step A. Recheck the bubble and center as necessary. Rotate
the instrument 180° (200g). The bubble should still be centered in the vial. If not, go to step D.
D) Using the adjusting pin provided in the
case, turn the screw until the bubble
moves halfway back to its original
position.
E) Return the instrument to its original
position follows steps A through C.
Repeat these steps until the bubble
stays centered in all positions.
2. The Circular Vial (DGT10 Only)
Part 1, adjusting the plate vial, should have been done prior to this step.
If the circular vial is centered after leveling the plate vial,
then no further adjustment is necessary. If not, proceed with
the following adjustment.
Using the adjusting pin provided in the case, turn the
adjusting screws until the bubble is centered in the vial.
DO NOT OVER TIGHTEN THE ADJUSTING SCREWS.
Loosen one screw 1/4 turn, then tighten one screw 1/4 turn.
3. Optical Plummet
This adjustment is required to make the line of sight of the
optical plummet coincide with the vertical axis.
A) Point the optical plummet at a ground target. This can be
done by adjusting the level screws or by loosening the
instrument fastening screw and moving the instrument
over the target.
B) Turn the instrument 180° (200g) around and re-sight
the target through the optical plummet. If the target is
still centered, no adjustment is necessary. If not, go to
step C.
C) Remove the adjusting screw cover from the optical
plummet. Unscrew in a counterclockwise direction. This
will expose four reticle adjusting screws.
DGT2 - DGT10 • 15