Spectra Precision Focus 30 User Manual

4 Setup
62 Spectra Precision FOCUS 30 User Guide
Tribrach Circular Level
1. Level the instrument with the electronic instrument bubble.
2. Remove the instrument from the tribrach.
3. Use the provided adjustment key and adjust the b
ubble with the three bubble
screws. The bubble must be centered.
Fig. 4-51 Circular Level adjustment
C
Caution – When adjusting the Circular Level with the three adjustment screws it is impor-
tant that the screws are correctly adjusted. When one screw is adjusted the two opposite
screw must be adjusted equa
lly in the reverse direction, in order to keep the correct ten-
sion on the Circular level. Do not overtighten the screws.

Spectra Precision Focus 30 Specifications

General

Brand	Spectra Precision
Model	Focus 30
Category	Measuring Instruments
Language	English