Spectra Precision Survey Pro v4.5 Ranger Reference Manual - Manual (Page 169)

Survey Menu – Conventional Mode
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be automatically read from the data collector using the
Get Local Time button, or measured from an external time piece
and manually entered in the appropriate fields.
4. When finished, tap the button to complete the current
observation.
When all observations are complete, the Results page displays the
computed azimuth to the backsight.
Results
BS D/R: is the horizontal angle recorded to the backsight for the
particular direct/reverse observation.
Azi D/R: is the computed azimuth to the backsight for the particular
direct/reverse observation.
Avg: is the computed average azimuth of the backsight, relative to
true north.
Grid Avg: is the computed average azimuth of the backsight, relative
to the local State Plane grid. This field is only displayed when a state
grid correction is applied.
Note: See the User’s Manual for more information on the usage of the
Solar Observation routine.