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## Setting up a scenario

Figure 2.2: Menu GREAT-ER

The first menu of the GREAT-ER user interface, called GREA-TER, covers all options to manage scenarios: creating new or loading existing ones, saving, deleting or exchanging with other users. As usual for Windows applications, this menu also includes the exit item and a list of currently open documents (here GREAT-ER scenarios).

- Creating a new scenario
- Needed inputs
- Editing substance data
- Editing catchment data