37
7. SETTING UP THE INSTRUMENT
$
• Visibility of the laser spot may be affected when operating in direct sunlight. In this event, provide
shade for the survey point.
PROCEDURE
1. Adjust the levelling foot screws to center the
survey point in the optical plummet reticle.
2. Center the bubble in the circular level by either
shortening the tripod leg closest to the offcenter
direction of the bubble or by lengthening the tripod
leg farthest from the offcenter direction of the
bubble. Adjust one more tripod leg to center the
bubble.
Turn the levelling foot screws while checking the
circular level until the bubble is centered in the
center circle.
3. Power ON the instrument.
C
The electric circular level is displayed on the <Tilt>.
“
z
” 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. Center “
z
” in the circular level.
When the bubble is in the center, proceed to step
7.
7.2
Levelling
Tripod legs
adjustment
Summary of Contents for DS-101AC
Page 175: ......
