Acer 1680 manual Using the Keyboard, Lock Keys, Lock Key Description

Using the Keyboard

The keyboard has full-sized keys and an embedded keypad, separate cursor keys, two Windows keys and twelve function keys.

Lock Keys

The keyboard has three lock keys which you can toggle on and off.

Lock Key	Description
Caps Lock	When Caps Lock is on, all alphabetic characters typed
	are in uppercase.
Num lock	When Num Lock is on, the embedded keypad is in
(Fn-F11)	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	When Scroll Lock is on, the screen moves one line up
(Fn-F12)	or down when you press w and y respectively.
	Scroll Lock does not work with some applications.

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