Spectra Precision Survey Pro v4.5 Recon and Nomad Reference Manual - Manual (Page 207)

Survey Menu – GPS Module
R-199
Note: The Set HR button is only available if this is a stop and go
post processing session, or an RTK rover session.
Start : sets the receiver to mark the beginning of a static point
occupation with the entered Site ID and Description.
Stop : sets the receiver to mark the end of a static point occupation.
Status : opens the GPS Status screen (Page R-168).