Sokkia SRX1 Operator's Manual page 55

3. Select the Tilt tab to display the circular level on
the screen.
" " indicates the bubble in circular level. The
range of the inside circle is ±3' and the range of the
outside circle is ±4.5'.
4. Center " " in the circular level.

"9.2 Levelling" steps 1 to 2
5. Turn the instrument until the telescope is parallel
to a line between levelling foot screws A and B.
6. Set the tilt angle to 0° using foot screws A and B
for the X direction and levelling screw C for the Y
direction.
7. Press {ESC} to return to Meas mode.
9. SETTING UP THE INSTRUMENT
47