Leica Builder T User Manual page 41

Operation
Step Description
4. Move the tripod legs (1) and use the tribrach footscrews (6) to centre the
plummet (4) over the ground point.
5. Adjust the tripod legs to level the circular level (7).
6. By using the electronic level turn the tribrach footscrews (6) to precisely
level the instrument.
Refer to "Levelling up with the electronic level step-by-step" for
more information.
7. Centre the instrument precisely over the ground point (4) by shifting the
tribrach on the tripod plate (2).
8. Repeat steps 6. and 7. until the required accuracy is achieved.
Builder 41