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

3.5 Collimation

Adjustment of
diopter
Elimination of
optical parallax

3.6 Initial Settings


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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