Spectra Precision Focus 6, Руководство пользователя

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Spectra Precision Focus 6 5" Total Station User Guide
33
Setting up the Instrument
2
Setting the measurement mode and preparing the target
The Focus 6 5" total station has two measurement modes: Prism mode (
Prism
) and
Reflectorless mode (
N-Prism
). To change the mode at any time from any observation
screen, hold down
[MSR1]
or
[MSR2]
.
Set the measurement mode depending on the target that you want to measure, as
shown here.
In some cases, you can measure to another target that is not appropriate to the set
measurement mode.
Note – The Focus 6 5" total station is Laser Class 1 in the measurement function, and
Laser Class 2 in the Laser Pointer function. Do not sight the prism when the Laser
Pointer is on.
Measurement with a prism
As the Focus 6 5" total station is extremely sensitive, multiple reflections on the prism
surface can sometimes cause a significant loss in accuracy.
To maintain the accuracy of your measurements:
•
Use a prism with thin edges.
Do not use a prism with scratches, a dirty surface, a chipped center, or thick
edges.
Target Target settings
Prism, reflector sheet Prism mode (
Prism
)
Other, reflective materials Reflectorless mode
(
N-Prism
)
Thin edges
Chipped center
Thick edges