Sanding STS-750RC Series, User Manual

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circular level is centered at last.
10.3 INCLINATION OF RETICLE
Check
1. Sight object A through the telescope and lock the horizontal and vertical clamp
screws.
2. Move object A to the edge of the field of view with the vertical tangent screw
(point A′).
3. Adjustment is not necessary if object A moves along the vertical line of the
reticle and point A′ still in the vertical line.
As illustrated
，
A
′offsets from the center to the cross hair tilts, then need to adjust
the reticle.
Adjust
1. If the object A does not move along with the vertical line, firstly remove the
eyepiece cover to expose the three or four reticle adjusting screws.
2. Loosen all the reticle adjusting screws uniformly with an adjusting pin. Rotate
the reticle around the sight line and align the vertical line of the reticle with
point
A’.
3. Tighten the reticle adjusting screws uniformly. Repeat the inspection and
adjustment to see if the adjustment is correct.
4. Replace the eyepiece cover.
10.4 PERPENDICULARITY BETWEEN SIGHT AXIS AND HORIZONTAL AXIS (2C)
Check
1. Set object A at about 100 meters away the same height as the instrument, and
make the vertical angle with ±3°. Then level and center the instrument and turn
on the power.