Spectra Precision FOCUS 30 User Guide 83
6 Instrument Technology
StepDrive Motor System and Focus system
Spectra Precision FOCUS 30 Total Station is equipped with a StepDrive motor sys-
tem to position the instrument and the telescope and a servo drive to focus the tele-
scope.
Due to the instrument accuracy it is important to use a high quality tripod and tri-
brach. It is also important to set up the tripod in a position for best stability, see
. An unstable setup that could negatively influence the resulting measure-
ment precision.
Fig. 6-6 Tripod setup
Stable setup Unstable setup
StepDrive
The StepDrive motor system is a mechanical rough-fine drive system, which gives
high turning speeds and accuracy. The system provides endless horizontal and vertical
motion, including endless fine adjustment. The instrument uses a StepDrive motor
system when performing a number of different operations such as turning the hori-
Summary of Contents for Focus 30
Page 1: ...Spectra preciSion 30 TOTAL STATION USER GUIDE...
Page 2: ......
Page 11: ...Spectra Precision FOCUS 30 User Guide IX Declaration of Conformity...
Page 12: ...Declaration of Conformity X Spectra Precision FOCUS 30 User Guide...
Page 16: ...Table of Contents Spectra Precision FOCUS 30 User Guide P N 77701035 Version 1 02...
Page 26: ...2 Inspection Care and Maintenance 10 Spectra Precision FOCUS 30 User Guide...
Page 84: ...4 Setup 68 Spectra Precision FOCUS 30 User Guide...
Page 88: ...5 Instrument Operation Methods 72 Spectra Precision FOCUS 30 User Guide...
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