Toshiba Satellite A100 (PSAAR) - Manual (Page 80)

User’s Manual 5-3
The Keyboard
Press Fn + Enter to simulate Enter on the enhanced keyboard’s numeric
keypad.
Press Fn + Ctrl to simulate the enhanced keyboard’s right Ctrl key.
Press Fn + Alt to simulate the enhanced keyboard’s right Alt key.
Hot keys
Hot keys (Fn + a function or Esc key) let you enable or disable certain
features of the computers.
Sound mute: Pressing Fn + Esc in a Windows environment turns sound
on or off. When you press these hot keys, the current setting will be
displayed as an icon.
Lock computer mode: Pressing Fn + F1 to enter "Lock computer" mode.
To restore your desktop, you need to log on again.
Power save mode: Pressing Fn + F2 changes the power save mode.
If you press Fn + F2, the Power Save Mode is displayed in a dialog box.
Continue holding down Fn and press F2 again to change the setting. You
can also change this setting through the Plugged in or Running on batteries
item of the Power Saver Properties window in Power Saver.
Sleep: When you press Fn + F3, the computer can enter Sleep. To avoid
entering Sleep unexpectedly, a dialog box appears for verification.
However, if you check the checkbox in the dialog box, it will not appear
from the next time.
Hibernation: When you press Fn + F4, the computer can enter
Hibernation. To avoid entering Hibernation unexpectedly, a dialog box
appears for verification. However, if you check the checkbox in the dialog
box, it will not appear from the next time.