Spectra Precision FAST Survey Reference Manual - Manual (Page 271)

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The command begins with a screen where you select the method for defining a centerline.
The next screen allows you to choose whether or not to store a file summarizing cross section data. Because the SCT
method requires that you choose an alignment, the option for no alignment (“None”) only applies to the
Raw/Geodimeter method, in which case a named file is required. Except for this case of option “None”, the Section
output file is optional because the information will be stored with the points. When you click Select File, you have two
file type options when using a horizontal alignment.
The Raw file format is a design that is compatible with the old Geodimeter section file format, and includes special
prompting for job type. It is discussed in detail below (see the discussion of “None” as centerline option). It leads to a
different set of screen options than the SCT format.