Acer TravelMate P653-V Acer TravelMate P653-M and P653-V Notebook Service Guid - Page 31

Lock Keys 0 The keyboard has three lock keys which the user can toggle on and off. Figure 1-9. Keyboard Lock Keys Table 1-8. Keyboard Lock Keys Lock key Caps Lock Description When On, all typed alphabetic characters appears in uppercase. Num Lock Fn+F11 Scroll Lock Fn+F12 Off by default. When On, the overlay numeric keys acts as a numeric keypad. 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 required 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. When On, the screen moves one line up or down when pressing the up or down cursor keys. Scroll Lock is not applicable for all applications. Hardware Specifications and Configurations 1-21