User's Manual

About Your Computer 19
AUDIO CONNECTORS
SMART
CARD SLOT (WITH BLANK)—Supports one smart card. Smart cards provide a variety of functions,
including security features and data storage. The blank prevents foreign matter from entering the interior of the
computer when a smart card is not installed in the smart card slot. For more information and instructions on
removing the blank, see "Smart Cards" on page 61.
WIRELESS SWITCH — When enabled through Dell QuickSet, this switch can scan for a wireless LAN (WLAN) in
your vicinity. You can also use it to rapidly turn off or on any wireless devices such as WLAN cards and internal cards
with Bluetooth wireless technology (see "Dell Wi-Fi Catcher™ Network Locator" on page 54).
Attach headphones or speakers to the connector.
Attach a microphone to the connector.
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