Dell Latitude D620 ATG - Manual (Page 5)

air vents — The computer uses an internal fan to create airflow through the vents, which prevents the computer from overheating.
security cable slot — Lets you attach a commercially available antitheft device to the computer (see Security Cable Lock ).
audio connectors
infrared sensor — Lets you transfer files from your computer to another infrared-compatible device without using cable connections. When you receive your
computer, the sensor is disabled. You can use the system setup program (see System Setup Program) to enable the sensor. For information on transferring
data, see Windows Help, the Help and Support Center, or the documentation that came with your infrared-compatible device.
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
Using Smart Cards .
wireless switch — When enabled through Dell QuickSet, this switch can scan for wireless LAN 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 ).
1 air vents 2 security cable slot 3 audio connectors (2)
4 infrared sensor 5 smart card slot (with blank) 6 wireless switch
7 Wi-Fi Catcher™ light 8 PC Card/ExpressCard slot 9 hard drive
CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not store your Dell computer in a low-airflow
environment, such as a closed briefcase, while it is running. Restricting the airflow can damage the computer or cause a fire.
NOTE: The computer turns on the fan when the computer gets hot. Fan noise is normal and does not indicate a problem with the fan or the computer.
Attach headphones to the connector.
Attach a microphone to the connector.
1 "off" position Disables wireless devices
2 "on" position Enables wireless devices
3 "momentary"
position
Scans for WLAN networks (see Dell™ Wi -Fi Catcher™ Network
Locator )
4 Wi-Fi Catcher light