Acer AcerPower Sd, Service Manual

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Chapter 1 9
Lock keys
The keyboard has three lock keys which you can toggle on and off to switch between two functions.
Lock Key Description
Caps Lock When activated, all alphabetic characters typed appear in uppercase (same
function as pressing
Shift + <letter>).
Num Lock When activated, the keypad is set to numeric mode, i.e., the keys will function as a
calculator (complete with arithmetic operators such as +, -, x, and /).
Scroll Lock When activated, the screen moves one line up or down when you press the up
arrow or down arrow respectively. Take note that Scroll Lock may not work with
some applications.