Spectra Precision Survey Pro v4.6 Recon-Nomad Reference Manual - Manual (Page 157)

Survey Menu
R-149
Backsight : accesses the Backsight Setup screen (Page R-124) where
the current backsight can be modified.
Surface Scan
Survey Surface Scan .
The Surface Scan screen takes advantage of a robotic, reflectorless
total station to automatically take a sequence of shots of a surface.
PC software can then use the data to generate a 3-D raster image of
the surface or a DTM surface to compute volume information. Consult
the User’s Manual for more information on performing a surface scan.
Distance Grid Surface Scan Angle Grid Surface Scan
Select Type of Surface Scan: Select the type of surface scan to
perform here. The option selected will determine how you will define
your perimeter and distance intervals.
Distance Grid
Point 1, Point 2, Point 3: Are the point names that will be used
when storing the upper-left, upper-right and lower points that define
the surface perimeter.