Creating a demand model
                                        1. On the Demand menu, click Demand models.
The Demand models window opens.
2. Select the Basis tab.
3. Click the Create button.
A new demand model is added.
4. Make the desired settings (Properties and options of demand models).
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                                                         Tip: Alternatively, you can read a pre-defined demand model and corresponding data from a demand data file (Importing predefined demand models *.dmd).  | 
                                                
5. Confirm with OK.
The demand model is saved.

