NEC VERSA LX Service And Reference Manual page 21

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Power/Sleep Button — slide the Power/Sleep button toward the front of
the system to power on, power off, and to put the computer into Suspend
mode.

Slide the Power/Sleep button toward the front of the system to power
on.

Hold the Power/Sleep button in place for 4 or fewer seconds to put
the system into Suspend mode. (Before using the Power/Sleep button
to put the system into Suspend mode, set the System Switch BIOS
parameter to the Sleep button.)

Hold the Power/Sleep button in place for more than 4 seconds to
initiate power override (powers off the system).
The Power/Sleep button is a "smart" switch, meaning that it recognizes
when the system is in Suspend mode. If in Suspend mode, the user cannot
power off until he/she slides forward the Power/Sleep button again to
bring it out of Suspend mode.
In addition, the Smart Power switch invokes an orderly shutdown in the
Windows 95 and Windows NT environments. If the user uses the
Power/Sleep button to turn off the system while applications are running,
the Smart Power Switch alerts the operating system. The operating
system prompts the user to save all data and invokes an orderly shutdown
procedure.
Put the unit in Suspend mode when you need to be away from the system
for a short period of time and want to return to where you left off.
Suspend mode shuts down all devices in the system while retaining data
and system status. Use the
manual save-to-file. Slide the Smart Power switch (Power/Sleep button)
toward the front of the system to resume from a save-to-file.
!
Volume Control — Allows the user to control the speaker volume.
key combination to initiate a
Fn-Power/Sleep
System Overview 1-11