The Default Menu Tab enables you to set the menu tab that will appear when you open a DMS windows.  Most of the DMS windows that have more than one tab give you the option of setting the default menu tab under the View menu item.  The default menu tab is saved for each user.

For example, if you set the Default Menu Tab for the opening DMS Calendar menu to Manufacturing as in the example below:

the Manufacturing menu will automatically appear after you log in as in the next example: