Acer TravelMate P643-V, Service Manual, Page: 30 / 244

1-20 Hardware Specifications and Configurations
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 Description
Caps Lock When On, all typed alphabetic characters appears in uppercase.
Num Lock
Fn + F11
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.
Scroll Lock
Fn + F12
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.