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Safety Instructions 13
– Additionally, the use of any PED, such as a portable computer, may be prohibited in aircraft during certain
critical phases of flight, for example, takeoff and landing. Some airlines may further define the critical flight
phase as any time the aircraft is below 3050 m (10,000 ft). Please follow the airline’s specific instructions as
to when the use of a PED is allowed.
SAFETY: EMC Instructions
Use shielded signal cables to ensure that you maintain the appropriate electromagnetic compatibility (EMC)
classification for the intended environment. For parallel printers, a cable is available from Dell. If you prefer, you can
order a cable from Dell at its worldwide website at www.dell.com.
Static electricity can harm electronic components inside your computer. To prevent static damage, discharge static
electricity from your body before you touch any of your computer’s electronic components, such as a memory module.
You can do so by touching a connector on the back panel.
WARNING: Handling the cord on this product, or cords associated with accessories sold with this product, will expose
you to lead, a chemical known to the State of California to cause birth defects or other reproductive harm. Wash your
hands after handling the cord.
When Using Your Computer
Observe the following safe-handling guidelines to prevent damage to your computer:
• When setting up the computer for work, place it on a level surface.
• When traveling, do not check the computer as baggage. You can put your computer through an X-ray security
machine, but never put your computer through a metal detector. If you have the computer checked by hand, be
sure to have a charged battery available in case you are asked to turn on the computer.
• When traveling with the hard drive removed from the computer, wrap the drive in a nonconducting material,
such as cloth or paper. If you have the drive checked by hand, be ready to install the drive in the computer. You
can put the hard drive through an X-ray security machine, but never put the drive through a metal detector.
• When traveling, do not place the computer in overhead storage compartments where it could slide around. Do
not drop your computer or subject it to other mechanical shocks.
• Protect your computer, battery, and hard drive from environmental hazards such as dirt, dust, food, liquids,
temperature extremes, and overexposure to sunlight.
• When you move your computer between environments with very different temperature and/or humidity ranges,
condensation may form on or within the computer. To avoid damaging the computer, allow sufficient time for the
moisture to evaporate before using the computer.
NOTICE: When taking the computer from low-temperature conditions into a warmer environment or from high-
temperature conditions into a cooler environment, allow the computer to acclimate to room temperature before
turning on power.
• When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. As you pull
out the connector, keep it evenly aligned to avoid bending any connector pins. Also, before you connect a cable
make sure both connectors are correctly oriented and aligned.
• Handle components with care. Hold a component such as a memory module by its edges, not its pins.
• When preparing to remove a memory module from the system board or disconnect a device from the computer,
turn off the computer, disconnect the AC adapter cable, remove any battery installed in the battery bay, and then
wait 5 seconds before proceeding to help avoid possible damage to the system board.