Complex sentence: The interactive whiteboard usually becomes active once connected and the driver is running and at that point the user can calibrate the system (align the pointer with the image) if necessary, and activate programs, buttons and menus as they would with a mouse.
Split into simpler sentences: The interactive whiteboard usually becomes active once connected and the driver is running. At that point, the user can calibrate the system (align the pointer with the image) if necessary, and activate programs, buttons and menus as they would with a mouse.