SLT12 User Manual
192
17.3 Telescope Reticle
17.3.1 Check
1. After leveling the instrument, select a target point A on the telescope line of sight, align A
with the center of the cross wire of the dividing board, and fix the horizontal and vertical
brake hand wheel.
2. Turn the vertical micro-hand wheel of the telescope so that point A moves to the edge of the
field of view (point A′).
3. If the A point is moving along the vertical wire of the cross wire, that is, the A′ point is still
within the vertical wire, as in the left figure, the cross wire is not tilted without correction. If
the A′ point deviates from the center of the vertical wire, as in the right figure, the cross wire
is tilted and needs to be corrected for the dividing plate.
Figure 17- 1
17.3.2 Adjust
1. First of all, remove the cover of the dividing plate holder located between the telescope
eyepiece and the focus handwheel, you will see four dividing plate holders fixed
Screws (see attached picture)
2. Use a screwdriver to evenly loosen the three set screws, and rotate the dividing plate seat
around the sight axis so that the A′ point falls on the position of the vertical wire.
3. Tighten the fixing screws evenly, and then check the calibration result by the above
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