Using the Keyboard

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

Lock Keys and embedded numeric keypad

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 the up or down arrow keys

 

respectively. Scroll Lock does not work with some

 

applications.

 

 

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. To simplify the keyboard legend, cursor-control key symbols are not printed on the keys.

Desired Access

Num Lock On

Num Lock Off

 

 

 

Number keys on embedded

Type numbers in a normal

 

keypad

manner.

 

 

 

 

Cursor-control keys on

Hold <Shift> while using

Hold <Fn> while using

embedded keypad

cursor-control keys.

cursor-control keys.

 

 

 

Main keyboard keys

Hold <Fn> while typing

Type the letters in a normal

 

letters on embedded

manner.

 

keypad.

 

 

 

 

Windows Keys

The keyboard has one key that performs Windows-specific functions.

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Acer 4520G, 4220G manual Using the Keyboard, Lock Keys and embedded numeric keypad, Windows Keys, Lock Key Description

4220G, 4520G specifications

The Acer 4520G, 4220, and 4220G laptops are part of Acer’s previously popular Aspire series, known for delivering dependable performance and a range of features suitable for both casual users and professionals. Despite being older models, they still possess characteristics that can meet the demands of various computing needs.

First and foremost, these laptops are powered by AMD Turion 64 X2 processors, which provide a dual-core architecture, enabling them to handle multitasking effectively. This feature is particularly beneficial for users who engage in simultaneous applications, such as web browsing while streaming videos or editing documents. The efficient CPU performance ensures that the laptops maintain responsiveness during operation.

A notable advancement in the 4520G variant is the inclusion of a dedicated NVIDIA GeForce 8400M GS graphics card. This feature significantly enhances the graphical performance, making it suitable for light gaming and graphic-intensive applications. The integrated graphics in the 4220 and 4220G models, while adequate for everyday tasks, do not support demanding graphics as effectively.

Memory configurations for these models typically offer up to 4GB of RAM, which allows for smooth operation of everyday software and moderate gaming. Also, the inclusion of a 15.4-inch screen with a resolution of 1280x800 pixels provides a decent viewing experience suitable for both work and media consumption.

Storage options generally include a 120GB to 250GB hard drive, providing ample space for documents, applications, and media files. The laptops feature DVD-RW drives, enabling users to read and write CDs and DVDs, which is advantageous for data backup and media creation.

Connectivity options are also well-equipped, including several USB ports, HDMI output, and an Ethernet port for reliable internet connections. Wireless connectivity options, like Wi-Fi and Bluetooth, ensure that users can connect easily to networks and devices.

In terms of build, these laptops feature a sturdy design that, although bulkier than contemporary models, offers durability. The keyboard layout is comfortable for typing, and the touchpad provides decent responsiveness.

Overall, the Acer 4520G, 4220, and 4220G laptops present a blend of performance, reliability, and essential features. While they may not compete with the latest technology, they can still serve users who need a functional laptop for basic computing tasks.