Collimation; Initial Settings - Prexiso T.O.2 Manual Del Usuario

3.5 Collimation

Adjustment of
diopter
Elimination of
optical parallax

3.6 Initial Settings


Preparation before Measurement
to translate the whole instrument (be sure not to turn the instrument) so that the
ground point coincides with the central point of the reticle. Retighten the central screw.
2. Perform precise leveling up of the instrument as described in "3.3 Leveling up of the
Instrument" and repeat the operation in 1. of "3.4 Centering", "Centering with Optical
plummet" until the instrument is precisely leveled up and the center of the reticle of
the optical plummet precisely coincides with the ground point as shown.
1. Aim with the telescope on a bright background.
2. Turn the eyepiece knob so that the cross hairs of the reticle are clearly seen.
1. Adjust the focusing knob so that the object forms image on the reticle.
2. Move your eyes up and down to see if the image of the object moves relative to the
graduation lines.
If it does not move, there is no optical parallax; otherwise turn the focusing knob to
eliminate the optical parallax.
Before start measuring, please confirm all initial settings. Items in bold indicate factory
settings.
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