Spectra Precision Survey Pro v4.6 Ranger User Manual - Manual (Page 146)

User’s Manual – Conventional Mode
136
Vertical Angle Offset Screen
The Vertical Angle Offset screen is used to store a new point
that is located directly above, or directly below the rod location.
The routine requires two shots by the total station, one at the
prism, and one in the direction of the new point.
This example explains how to store a point that is located above
the rod – such as at the top of a utility pole.
1. From the Main Menu, tap . Survey ,
Vert Angle Offset . If you have not already setup your
backsight, you will need to do so before the Horizontal Angle
Offset Shot screen will open.
2. With the prism positioned directly below
the location of the new point, aim the total
station at the prism and tap Shoot Prism .
3. Aim the total station at the new point and
tap Aim Zenith . (Only a zenith angle is
measured during this shot so a prism is not
necessary.) A new point will be stored with
the same northing and easting as the rod
location, but with a different elevation.