Spectra Precision FAST Survey Reference Manual - Manual (Page 260)

p258
When you click out of the opening dialog that offers the 4 methods of Slope Staking, you obtain additional input
screens.
 User-Entered Dialog:
If the User-Entered method is selected, you are first prompted for a centerline, and a dialog
appears.
At each station, you can enter a specific pivot offset, pivot elevation and the cut and fill slope ratio that governs.
Slope ratios can be entered as percent as well, is "Display As Ratio" is clicked off. Pivot offsets should be entered
as positive numbers even left of centerline, since the program will detect which side of centerline you are on from
the first total station or GPS reading. The program will take the absolute value of the pivot offset entry, in any case.
You can obtain the position to stake from “Read Instrument”, which calculates the station, offset and pivot elevation
from a measured position. Or you can enter a point number to obtain a station, offset and pivot elevation.
 Point-Defined Alignment Dialog:
The selection of the Point-Defined method leads to the classic alignment
selection screen, familiar to users of Offset Stakeout and Stake Centerline.