Spectra Precision Survey Pro CE v3.6 User Manual - Manual (Page 110)

User’s Manual
104
Shoot From Two Ends
The Shoot From Two Ends screen is used to provide more accurate
vertical closure to a traverse. The routine requires that after the
foresight is shot, its location is not computed until after the
foresight point is occupied and a second shot is taken to the
previous occupy point. Once the second shot is complete, the
coordinates for the original foresight are computed from an
average of both shots.
1. From the Main Menu, select
6XUYH\ ,
6KRRW )URP (QGV . If you have not already setup your
backsight, you will need to do so before the Shoot From Two Ends
screen will open.
2. Fill in the screen, including the number of sets that you want to
shoot from each point in the Number of Sets field.
3. Tap
7UDYHUVH , aim toward the backsight and tap 7DNH 6KRW .
4. Shoot the specified number of sets to the backsight and
foresight. When finished, the Move To Other End
dialog box will open, shown here. At this point you
need to move the total station over the current
foresight point, place a prism over the current occupy
point, fill in the dialog and tap
2. . A new screen will
open.
5. Aim at the prism located over the previous occupy point
and tap
7DNH 6KRW . You will then need to shoot the specified
number of sets to the previous occupy point.
When the final set is complete, a screen will inform you of your new
occupy and backsight point and the new point will be computed and
stored.
Shot 2 Shot 1
BS