DELL 580 用户手册

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页码 70
18
Front View Features
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1 Optical drive eject buttons (2) — Eject 
the optical drive tray when pressed. 
2
 USB 2.0 connectors (2) — Connect 
to USB devices that are connected 
occasionally such as memory keys, 
digital cameras, and MP3 players.
3
 Headphone connector — Connects 
to headphones. 
NOTE: To connect to a powered 
speaker or sound system, use the audio 
connectors on the back of your computer.
4
 Line-in or microphone connector — 
Connects to a microphone for voice or to 
an audio cable for audio input.
Using Your Inspiron Desktop
This section provides information about the features available on your Inspiron
 desktop.
INSPIRON