Spectra Precision FAST Survey Reference Manual - Manual (Page 230)

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 EQ:
The EQ button allows you to enter station equations.
 Save As
: This saves the file. Enter a name.
Note
: You can create new points with Input-Edit Centerline. When you enter and save a centerline, it will
prompt “Do you want to save centerline points?” You may answer Yes and save point IDs for the start, end,
PI, PC, radius point, PT and any key spiral points found in the file. In the same way, a centerline that you load
can be re-saved with new coordinate IDs assigned to all key points, as long as you make some change, like
adding a point number to one of the Pt ID fields for a CL Element. If you answer Yes to Save Centerline
Points, the dialog box below appears. If you have entered point IDs of your own choosing in the Input-Edit
dialogs, use the upper option. The lower option will auto-number from the starting point ID without regard to
any numbers you’ve entered, but will respect and not overwrite used points in the file. Points are not stored to
the centerline file itself, so after loading a stored centerline, no point IDs will appear.