Spectra Precision FAST Survey Reference Manual - Manual (Page 169)

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received (In/Out versus North/South or Azimuth/Distance) will depend on the setting within Configure Reading.
The “Turn to AR” advice at the top of the screen refers to the angle to turn to intersect the defined line at 90 degrees
from the instrument location. For GPS, the Point-On-Line screen instructions are similar.
Stake Line/Arc (Point on Arc)
Both the Stake Arc (3 Points) and the Stake Arc (PC, PT, Value) routines have a Point On Arc option similar to the
Point On Line option. This appears if Stake Station Interval is clicked on in the opening screen of staking options. In
the dialog below, we have chosen to calculate a left 25 offset from the arc. Any measured point will then be translated
radially onto the arc that is 25 units left of the specified arc.