1.elect file of data collection and save the data collected to the file.
2.Select file of coordinate data. You can use coordinate data of station and backsight.(Skip this step if it needn't to use coordinate data of known point)
3.Set up station point, which includes instrument height and ID of station
4.Set up backsight. Confirm azimuth angle after measuring back sight point.
5.Set up prism height of point. Start to collect and save the data.