Toshiba Qosmio F20 (PQF22) - Manual (Page 105)

User’s Manual 5-3
The Keyboard
Press Fn + F10 or Fn + F11 to access the integrated keypad. When
activated, the keys with gray markings on the bottom edge become
numeric keypad keys (Fn + F11) or cursor control keys (Fn + F10).
Refer to the Keypad overlay section in this chapter for more information on
how to operate these keys. The power on default for both settings is off.
Press Fn + F12 (ScrLock) to lock the cursor on a specific line.
The power on default is off.
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.
Hot keys
Hot keys (Fn + a function or Esc key) let you enable or disable certain
features of the computer.
Sound mute: Pressing Fn + Esc in a Windows environment turns sound
on or off. When you press these hot keys, the current setting will change
and be displayed as an icon.
The Hot key functions are supported only under Windows, they are not
supported under QosmioPlayer.