Spectra Precision Survey Pro v4.6 Recon and Nomad User Manual - Manual (Page 285)

GPS Module
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4. Tap Next>.
The final step of the Base Setup wizard will depend on the base point
chosen. If the base (lat, lng, ht) is known or can be computed, the
final step is to SET the base at the known geodetic position. If the
base (lat, lng, ht) is not known, the final step is to GET an
autonomous position to SET the base with.
Base Setup Two – SET
The Base Setup Set screen is used when the geodetic coordinate of the
chosen base reference point is known or can be calculated.
5. If you are not post processing, leave the Post
Processing Recording Interval
field set to Off. If you
are post processing, select the desired recording
interval in this field. The receiver will open a file
(with the next available default name), start
recording GPS raw data, and record the station and
antenna information for this static session.
6. Tap SET to start the base receiver broadcasting this
reference position and GPS observations over the
radio link, and to configure the base reference
position in Survey Pro.