Toshiba Tecra S2 - Manual (Page 130)

TECRA A3/S2 6-13
Power System
Panel power off/on
In AC mode, this feature turns power to the computer off when the display
panel is closed and turns it back on when the panel is opened.
In Battery mode, the Hibernation feature turns power to the computer off
when the display panel is closed and cannot turn it back on when the panel
is opened. The Standby feature turns power to the computer off when the
display panel is closed and turns it back on when the panel is opened.
System automatic Standby/Hibernation
This feature automatically turns off the system in Standby or Hibernation
mode if the computer is not used for a set duration.
Refer to Special Features, in Chapter 1, TECRA A3/S2 Features for an
explanation of how to set the duration.
If the panel power off function is enabled and you use Shut down Windows,
do not close the display until the shut down function is completed.