Acer TravelMate P453-M Acer TravelMate P453, P453-M, P453-MG Notebook Service - Page 30

Lock Keys 0 The keyboard has three lock keys which the user can toggle on and off. Table 1-8. Lock Keys Lock key Description Caps Lock When on, all alphabetic characters are in uppercase. Num Lock + Off by default. When On, internal keyboard acts as numeric key padlock. If an external keyboard or keypad is present, the Num Lock will have the following definitions:  When On, the system boots with external keyboard/keypad Num Lock status On. Internal keyboard overlay numeric keys are disabled.  The key can be turned on/off via the internal keyboard (Fn+F11) or the external keyboard/keypad. Num Lock affects the external keyboard/keypad only.  Shift state is NOT used for the cursor movement by the numeric keys.  The state of the Num Lock is not changed by the attachment/removal (hot plug) of the external keyboard/keypad. Scroll Lock When On, the screen moves one line up or down when pressing up or down + arrow keys. Scroll Lock is not applicable for all applications. 1-20 Hardware Specifications and Configurations