
138 • 3100 SERIES
X +
X -
Y +
Y -
Location of
Location of
Calibration Buttons
Calibration Buttons
Location of
Calibration Buttons
Fig. 17
Calibrated
A
B
Y+ Facing the Target
(i.e. wall, detector)
Fig. 18
Plumb Beam
Plumb Line
Rotating Beam (Dashed Line) is
shown NOT in-line with plumb
line
Fig. 19
50 mm
(2.0 in)
1
3
4
5
6
7
8
2
Fig. 20
9
10
11
14
13
12
Fig. 21