Total Station Manual
2. Turn the telescope to aim A and get the reading R for face right.
3. If the vertical zenith angle is 0 °, then i = (L + R-360 °) / 2, if the vertical Angle
level is 0. Then i = (L + R-180 °) / 2 or (L + R-540 °) / 2.
4. If | i |≥10", may be you need reset the zero value of vertical index.
5. Operation refers to chapter "Adjust index error".
Note: repeat the checkout steps to retest the index error again (i Angle). If the
index error still can not accordance with requirements , it should check the
three Steps of calibration index zero setting (in the course of zero setting ,the
vertical angle showed is not compensated and corrected, it is just for reference)
to see whether it is incorrect, whether the focusing of target is correct, reset
according to the requirements.
6. If it still can not accordant with the requirements after repeated operation, it
should be sent to the factory for checking.
1. Set up the instrument to the tripod, draw a cross on a white paper and put it on
the ground below the instrument.
2. Adjust the focal length of the optical plummet (for the optical plummet) or
switch on laser plummet, move the white paper to make the cross in the center
in the field of view (or laser flare).
3. Turn the feet screw, make the center mark of the plummet coincide with the
cross center.
4. Rotate alidade, every turn of 90 °, observe the contact ratio of the optical
plummet and cross center.
5. When rotate the alidade, the center of the optical plummet always coincide with
the cross center, there is no need to calibrate. Otherwise you should calibrate as
the following methods.
1. Take down the screw cover between the optical plummet eyepiece and the
focusing hand wheel.
2. Fix the white paper with a cross, and mark the points when the instrument
rotates 90 °, as the figure shows A, B, C, D points.
3. Connect the diagonal points A、C and B、D with a straight line, the intersection
name of the two line is O.
4. Use the calibration needle to adjust the four calibration screw, to make the
center mark of the plummet coincide with point O.
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