User`s manual

chapter 3 battery power & power management
3-8
In this dialog box, you can manually set the LCD and
hard drives time-out values in the Plugged in column and
in the Running on batteries column. Lower time-out
values will save more battery power.
Note: Also consult Windows user guide for more information on how
to use Windows power management functions.
Note: Actual dialogue box shown above may appear slightly different.