How to collect DS4000 data in GNSS mode: The steps to start gathering data in GNSS mode are
1. Follow all steps described in the section 5.1 and 5.2.
2. Select the antenna orientation (HH or VV), from the Orientation drop-down menu.
3. Select Encoder type (depending on if A310 or A380 wheels are installed).
4. Select the Positioning System 
icon, to switch to the Positioning System drop-down menu.
5. From the drop-down menu of the Positioning System tab, select the GNSS mode.
6. Go back to the previous page, by selecting the 
icon.
7. Select the New Project 
icon, to start a new Project window.
8. In the Project window: 
9. Select Play 
, to start the acquisition.
10. Select Stop Acquisition , to close the swath acquisition.
11. Select Close Current Project 
, to close the active project.
☞ Refer to the specific UMap-Logger software user manual, for details of any specific software tools.