From then on, whenever the device will be on and in its powered cradle, it will remain on, until you turn it off or you remove it from the cradle.

Out of the cradle (or on an unpowered cradle), the normal Auto-off time will be respected, and the device will automatically shut down. Even after a soft reset the utility will continue to work.

Known problems:
Most of the time turns the device on, when it is put in the cradle.