Activity
You have to level the instrument using the foot screws. The position of each foot screw is indicated by the shaded circle and letters A, B, and C.
Which foot screw or pair
of footscrews do you need to adjust to centre the bubble?
Click box to indicate your answer - then click 'submit' button.
Use 'reset' button to try again
Click box to indicate your answer - then click 'submit' button.
Use 'reset' button to try again
