r define the critical flight phase as any time the aircraft is below 3,050 m (10,000 ft). Please follow the airline’s specific instructions as to when the use of a PED is allowed. Electromagnetic Compatibility (EMC) Instructions Use shielded signal cables to ensure that you maintain the appropriate EMC classification for the intended environment. 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 an unpainted metal surface on the computer’s input/output 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. CAUTION: Safety Instructions (continued) 5T444bk0.book Page 8 Tuesday, April 8, 2003 12:39 PMSystem Information Guide9 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 y...