Need help with scenery design (FSDS)

Im new to everything when it comes to any kind of design to FS.
I im working with FSDS and just started making my first scenery.
When i made a shelter and wanted to place it in FS i typed in the long. and lat. in project propeties, to the location where i wanted it, but it seems like i can
I im working with FSDS and just started making my first scenery.
When i made a shelter and wanted to place it in FS i typed in the long. and lat. in project propeties, to the location where i wanted it, but it seems like i can