Sokkia 130R Series Operator's Manual page 34

7. SETTING UP THE INSTRUMENT
7. Center the SET over the
Surveying point
Loosen the centering screw
slightly.
Looking through the optical
plummet eyepiece, slide the
instrument over the tripod head
until the surveying point is exactly
centered in the reticle.
Retighten the centering screw
securely.
8. Check again to make sure the
bubble in the plate level is
centered
If not, repeat the procedure starting
from step 3.
PROCEDURE Levelling on the screen
1. Press {ON} to power on
2. Press { } to display the circular
level on the screen.
" " indicates bubble in circular
level. The range of the inside circle
is ±3' and the range of the outside
circle is ±6'.
Tilt angle values X and Y are also
displayed on the screen.
3. Center " " in the circular level
"7.2 Levelling" steps 1 to 2
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