Sokkia DT20C, Руководство оператора

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11. CHECKS AND ADJUSTMENTS
30
4. Correct the remaining half of the
displacement by using the adjustment
pin to rotate the plate level adjustment
screw.
When the plate level adjustment screw
is turned in the counterclockwise
direction, the bubble moves in the
same direction.
5. Rotate the top of the instrument and
continue adjustments until the bubble
remains centered for any position of
the upper part.
If the bubble does not move to the
center even when the adjustment has
been repeated, have your local dealer
adjust it.
X PROCEDURE Checking and adjusting
1. Perform the plate level inspection and
adjustment.
C
"11.1 Plate Level"
2. Check the position of the bubble in the
circular level.
C
"5.2 Leveling" step 1 to 2.
If the bubble is not off-center, no
adjustment is necessary.
If the bubble is off-center, perform the
following adjustment.
3. First confirm the off-center direction.
Use the adjusting pin to loosen the
circular level adjustment screw on the
side opposite to the direction the
bubble is displaced to move the bubble
to the center.
11.2 Circular Level
Circular level
adjusting screws