Developer Mode 
 
Developer Mode is Only for people who have registered the Developer License for the Program

When the Program is first run the following screen will show up allowing you select which Price-List you wish to work on

 

To Select a Price-List to work with:
Just Highlight the one you want and Click on the Use List button

To Change the Name of a Price-List
Just Highlight the one you want and enter a new name in the Price-List Name field, Then click on the Change Name button

To Create a New Price-List
First Type in a name for the list in the Price-List Name field, Then click on the Add List button

The Price-List Sub-Directory Field
This field shows you which Directory the Information as well as the generated files for the selected Price-List will be created in.

see the Section on Where All The Files Are for more information