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6. PREPARATION FOR MEASUREMENT
The electronic circular level is displayed.
Press
, and then the laser plummet beam
will
be emitted from the bottom of the instrument.
“
” indicates the bubble in circular level.
The line within the electronic circular level is set
at ±6'. The amount of dislocation will not be
displayed when the bubble is beyond the line.
Center “
” in the circular level using foot screws.
Slide the instrument by loosening the centering
screw, place the point on the survey point, and
then tighten the centering screw.
Try to keep the instrument from rotating when
sliding it so as to minimize the dislocation of the
bubble.
Repeat step 3 and 4 if necessary.
5. Press [OK] after centering.
: Laser plummet beam is lit.
: Laser plummet beam is off.