Spectra Precision Survey Pro v5.1 - Manual (Page 51)

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Calibration Procedure, Illustrated
The calibration procedure can be split into three distinct steps. These are
described below as flowcharts:
• Step 1: When you start a survey, Survey Pro will report the need for
calibration on the Calibration Status page, which will guide you through the
process of collecting the minimum amount of control points required for a
unique solution of the calibration.
Base on a New Point, GNSS Resection Case
Survey Pro Will
Automatically Advance
to Step 2
Base on a Known Point, GNSS Backsight Case
Yes No
Collected
Enough
Control Points for
Unique Solution?