Project files can be saved to bring up configured sources, settings (overlays, etc) quickly.
To save a project file select 'Menu' > Project > 'Save (New Project)' or 'Save as ...', enter in the name and select 'Done'.
To load a project file head to 'Menu' > Project > 'Load' and select the project name.
If you would like to delete a project file you'll want to head to 'Menu' > 'Bing Up Full Menu' > 'Projects' > 'Load' > in this menu you can select 'Edit' in the top right to select and Delete a project.
Project files cannot be downloaded and transferred over to another device.