| Create a new survey network | Create a new network in the survey database. |
| Import the field book file | Import the field book file into the network. |
| Create a least squares input file | Use the Create Input File command to create the network.lsi file. This file is created in \Civil 3D Projects\<survey database name>\<network name> folder by default. |
| Edit the least squares input file | Use the Edit Least Squares Input (LSI) File command to open and edit the LSI file. |
| Process the input file | Use the Process Input File command to process and view the results of the Least Squares adjustment for the network. The program reads the input file, network.lsi. The adjustment is calculated, and the program creates a least squares network adjustment file (network.adj) and a least squares network output file (network.lso). |
| View the output file | Use the Display Output File command to view information about a network. The least squares network output file, network.lso, is automatically loaded into the text editor. |
| Update the survey database | Use the Update Survey Database command to import the adjusted network points in the survey database and their graphic information into the current drawing. The Least Squares network adjustment file, network.adj, is automatically selected. |