Chapter 2
General product Information
Focus 30/35 Service Manual 2 - 2 P/N 79000035_SM, Version 1.5
Product description & Service information
Product description
• StepDrive technology
• LockNGo technology
• Featuring Spectra Precision® Survey Pro™ software onboard
• Three Robotic models 2", 3" and 5" accuracies
• Long-range, reflectorless distance measurement
• High-precision prism measurements
• GeoLock™ technology
Introducing the powerful Spectra Precision® FOCUS® 30 Total Station. The FOCUS 30/35 fully
robotic motorized solution provides the same usability as a mechanical total station, but with
improved speed, accuracy and precision in measurement. A robotic instrument moves the power of
the observer from the instrument to the range pole improving the quality of your work.
All robotic instruments require:
• motorized drive system at the instrument
• a tracking sensor to track the range pole and prism
• a communication connection between the instrument and range pole and prism
The speed of observation and precise positioning of the FOCUS 30/35 robotic total station is provided
by patented StepDrive technology. StepDrive controls the horizontal and vertical motion of the
motors, so there is no need for traditional motion locks. Using the motorized drives it is possible to
precisely turn to, and repeat angle measurements. This results in quick and reliable measurements
which substantially increases your staking productivity. Each FOCUS 30/35 model includes a
tracking sensor that uses LockNGo technology enabling the instrument to constantly lock onto the
prism. The benefit of LockNGo technology is the ability to follow the prism at all times and reduce
downtime from not having to re-point the instrument on every observation.
To maintain contact between the FOCUS 30/35 instrument and the remote observer with the range
pole and prism, the robotic solution must include a communication link. The FOCUS 30/35 uses an
integrated 2.4 GHz radio modem as does the Spectra Precision Rangerâ„¢ data collector. The 2.4 GHz
radio modems provide interference free robotic data communications. Once your robotic
communications have been established you can control all the functions of the FOCUS 30/35 from
the range pole as you move through the job site making measurements. This makes it possible for a
single surveyor to perform high accuracy stakeout or topographic surveys by themselves. From high-
order control surveys to topographic data collection or fast-paced construction stakeout, you can rely
on a FOCUS 30/35, even in harsh outdoor conditions.
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