Sokkia X-1000 series Operator's Manual page 36

3. Power ON the instrument.

"8. POWER ON/OFF"
The electric circular level is displayed on the <Tilt>.
"" indicates the bubble in circular level. The range
of the inside circle is ±1.5' and the range of the
outside circle is ±6'.
4. Using levelling foot screws, center "" in the
circular level.
First, turn the instrument until the telescope is
parallel to a line between levelling foot screws A
and B. Next, set the tilt angle to 0° using foot
screws A and B for the X direction and levelling
screw C for the Y direction.
• When the bubble is in the center, proceed to step
5.
5. Loosen the centering screw slightly.
Looking through the optical plummet eyepiece,
slide the instrument over the tripod head until the
survey point is exactly centered in the reticle.
Retighten the centering screw securely.
If the instrument is levelled using laser plummet,
emit the laser plummet beam and check it again.

"7.2 Levelling PROCEDURE Centering with
the laser plummet eyepiece (Optional
accessory)"
6. Check again to make sure the bubble in the
electric circular level is centered.
If not, repeat the procedure starting from step 4.
7. Press {ESC} to return to Observation mode.
7. SETTING UP THE INSTRUMENT
32
Slide the instrument
over the tripod head
Centering screw