http://www.microsoft.com/hardware/discover/lm6000.h tm
http://www.extremetech.com/slideshow_viewer/0,1205, l=159930&s=1005&a=159931&po=6,00.asp

While playing a PC game, use the Precision Booster to switch between ultra-fast speed and precise control for tasks such as target shooting.

* Open the IntelliPoint software Mouse Properties window on your computer.
* Once this is open, in the Buttons tab, assign the Precision Booster to one of your buttons.
* On the assignments page, set your desired speed for the Precision Booster (anywhere from 10 percent to 90 percent).
* Close the Mouse Properties window and open a PC game.
* While playing the game, click the button you have assigned to Precision Booster to switch between fast speed and the speed you assigned to this command.