Spectra Precision Survey Pro v4.6 Ranger User Manual - Manual (Page 61)

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Conventional Fieldwork
This section will explain how to get started using Survey Pro to
collect data from a total station and perform stake out. It is assumed
that you are familiar with the operation of your total station. (GPS
surveying begins on Page 199.)
The first section describes the backsight setup procedures for various
scenarios. The next section walks you through the steps involved to
setup and perform a simple side shot and traverse shot. The third
section walks you through a simple point-staking example.
The remainder of the chapter illustrates the procedures to perform
the more complex routines in the Survey Pro software in a step-by-
step manner. They are intended to explain only how to use a
particular routine without the need for you to enter any specific
values to read through the example.
When beginning any job, the setup is the same; you need to establish
an occupy point and a backsight.
The occupy point is the point where you will setup the total station.
The coordinates for the occupy point must exist in the current job or
active control file. They can be assumed coordinates; known
coordinates; or computed with the resection routine. (Control files
and the resection routine are discussed later.) Any point in the
current job can be an occupy point.
Once an occupy point is established, the second reference you need is
a backsight point or direction. This can be in the form of a point
stored in the current job, or an azimuth or bearing.
The horizontal angles recorded during data collection are relative to
the backsight. If a point is not available in the job to use as a
backsight, you can assume a backsight direction or you can use the
solar observation routine, described later, to establish a backsight.
The scenarios below will describe four different possibilities for
defining a backsight.