1.5.6
SURVEYING METHODS CHAPTER 5
GEODIMETER SYSTEM 600
Aiming
The adjustment between the two optical axes, i.e. the
Telescope and the Tracker, may differ. The difference will
make it seem like the instrument does not point towards the
centre of the prism, when using Autolock™ (see fig. below).
This is not a problem since the two axis have their own
collimation data. It is however important to make
collimation test for both axis.
How to check
You can check how good the instrument is calibrated
yourself, by measuring towards the same prism with and
without Autolock™ and compare the displayed angles:
Without Autolock™: The instrument shows the angles for
the tube.
With Autolock™: The instrument shows the angles for
the tracker.
If the angle deviations are large you should calibrate both the
tube (MNU 5.1) and the tracker (MNU 5.3), see chapter 1.2.
Conven-
tional
Surveying
with
Autolock
With Autolock
Without Autolock
Manual aiming
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