Reference Manual Owner manual
Survey Pro Reference Manual 
R-156 
4.  When finished, tap 
 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. 










