Toshiba Tecra M4 - Manual (Page 122)

TECRA M4 5-4
The Keyboard
Instant security: Press Fn + F1 to blank the screen to prevent others from
accessing your data. To restore the screen and original settings, press any
key or press the Touch Pad. If a screensaver password is registered, a
dialog box will appear. Enter the screensaver password and click OK. If no
password is set, the screen will be restored when you press any key or
press the Touch Pad.
Power save mode: Pressing Fn + F2 changes the power save mode.
If you press Fn + F2 in a Windows environment, the settings dialog box for
the Power Save Mode, similar to the one below, is displayed. Continue
holding down Fn, and release and press F2 again to toggle between the
settings. Release both Fn and F2 to put the new setting into effect. You can
also change this setting through the Profile options in TOSHIBA Power
Saver.
Standby: When you press Fn + F3, the computer enters the Standby
mode. Before entering Standby, a dialog box appears asking for your
confirmation. This dialog box will not be displayed in the future when you
click the check box in it.
Hibernation: When you press Fn + F4, the computer enters the
Hibernation mode. Before entering Hibernation, a dialog box appears
asking for your confirmation. This dialog box will not be displayed in the
future when you click the check box in it.