Acer 1000 用户指南

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Using the keyboard
The keyboard has full-sized keys and an embedded numeric keypad, separate 
cursor, lock, Windows, function and special keys.
Lock keys and embedded numeric keypad
The keyboard has three lock keys which you can toggle on and off.
The embedded numeric keypad functions like a desktop numeric keypad. It is 
indicated by small characters located on the upper right corner of the keycaps. 
Lock key
Description
Caps Lock
When Caps Lock is on, all alphabetic characters typed are 
in uppercase.
Num Lock 
<Fn> + <F11>
When Num Lock is on, the embedded keypad is in numeric 
mode. The keys function as a calculator (complete with the 
arithmetic operators +, -, *, and /). Use this mode when you 
need to do a lot of numeric data entry. A better solution 
would be to connect an external keypad.
Scroll Lock 
<Fn> + <F12>
When Scroll Lock is on, the screen moves one line up or down 
when you press the up or down arrow keys respectively. Scroll 
Lock does not work with some applications.