Use the Left Mouse Button to SELECT and UNSELECT.

The Middle Mouse Button is used to EXIT

• A menu or a sub menu
• A completed activity

It can also be used to CONFIRM

• The selection of an activity
• The selection of entities

The Right Mouse Button is used to DISPLAY the SUB-MENU within a function.

Press the Middle and the Right Mouse Buttons together to display the SCREEN OPTIONS popup menu.

Press the Left and the Middle Mouse Buttons together to reject the last action (it acts as UNDO).

Press the Left and Right Mouse Buttons together to display the Selection Filter.