Stonex R25/R25LR Total Station - User Manual 15
Move the bubble to the center of the circle by turning screw C.
Accurate levelling-up with the plate level
Loosen the horizontal motion clamp and turn the instrument till the
plate level is parallel to a line shaped with screws A and B. Adjust the
screws A and B to make the bubble in the center of the level.
Turn the instrument approximately 90°. Adjust screw C, till the bubble
in the center of the level.
Repeat above steps until the bubble remains in the center of the plate level while the instrument is rotated to
any position.
Accurate levelling-up with electronic level on screen
It is convenient for R25 series to level-up with electronic level, especially when it is difficult to observe the circular
level and plate level.
Firstly, power on the instrument, press {FUNC} button, and then select “F1(Level/Plummet)”. The electronic level
displays on screen.
Secondly, level it by turning three-foot screws and ensure the bubble is in the plate level. Make sure that the black
spot is in the center.