168 Traveling With Your Computer• Protect the computer, the batteries, and the hard drive from hazards suchas extreme temperatures and overexposure to sunlight, dirt, dust, orliquids.• Pack the computer so that it does not slide around in the trunk of your caror in an overhead storage compartment.Travel TipsNOTICE: Do not move the computer while using the optical drive to prevent lossof data.NOTICE: Do not check the computer as baggage.• Consider disabling wireless activity on your computer to maximize batteryoperating time. To disable wireless activity, use the wireless switch (see"wireless switch" on page 25).• Consider changing your power management options to maximize batteryoperating time (see "Configuring Power Management Settings" on page 49).• If you are traveling internationally, carry proof of ownership—or of yourright to use the computer if it is company-owned—to speed your passagethrough customs. Investigate the customs regulations of the countries youplan to visit, and consider acquiring an international carnet (also known asa merchandise passport) from your government.• Find out what type of electrical outlets are used in the countries you willvisit, and have appropriate power adapters.• Check with your credit card company for information about the kinds ofemergency travel assistance it offers to users of portable computers.Traveling by AirNOTICE: Do not walk the computer through a metal detector. Send the computerthrough an X-ray machine or have it hand-inspected.• Ensure that you have a charged battery available in case you are asked toturn on the computer.• Prior to entering the airplane, verify that using a computer is permitted.Some airlines forbid the use of electronic devices during flight. All airlinesforbid the use of electronic devices during takeoff and landing.
