Chapter 5 Safety, handling, and support 46
Hearing loss. Listening to sound at high volumes may damage your hearing. Background noise,
as well as continued exposure to high volume levels, can make sounds seem quieter than they
actually are. Use only compatible earbuds, headphones, or earpieces with your MacBook Air.
Turn on the audio and check the volume before inserting anything into your ear. For more
information about hearing loss, see www.apple.com/sound.
WARNING: To prevent possible hearing damage, do not listen at high volume levels for
long periods.
Radio frequency exposure. MacBook Air uses radio signals to connect to wireless networks. For
information about radio frequency (RF) energy resulting from radio signals and steps you can
take to minimize exposure, see www.apple.com/legal/rfexposure.
Medical device interference. MacBook Air contains components and radios that emit
electromagnetic elds, which may interfere with pacemakers, debrillators, or other medical
devices. Maintain a safe distance of separation between your medical device and MacBook Air.
Consult your physician and medical device manufacturer for information specic to your medical
device. If you suspect MacBook Air is interfering with your pacemaker or any other medical
device, stop using MacBook Air.
Medical conditions. If you have a medical condition that you believe could be aected by
using MacBook Air (for example, seizures, blackouts, eyestrain, or headaches), consult with your
physician prior to using MacBook Air.
Repetitive motion. When you perform repetitive activities such as typing or playing games on
MacBook Air, you may experience discomfort in your hands, arms, wrists, shoulders, neck, or other
parts of your body. If you experience discomfort, stop using MacBook Air and consult a physician.
Choking hazard. Some MacBook Air accessories may present a choking hazard to small children.
Keep these accessories away from small children.
High-consequence activities. Your MacBook Air is not intended for use where the failure of the
computer could lead to death, personal injury, or severe environmental damage.
Explosive atmospheres. Charging or using your MacBook Air in any area with a potentially
explosive atmosphere, such as areas where the air contains high levels of ammable chemicals,
vapors, or particles (such as grain, dust, or metal powders), may be hazardous. Obey all signs
and instructions.
Important handling information
Operating environment. Operating your MacBook Air outside these ranges may aect performance:
•
Operating temperature: 50° to 95° F (10° to 35° C)
•
Storage temperature: -13° to 113° F (-25° to 45° C)
•
Relative humidity: 0% to 90% (noncondensing)
•
Operating altitude: Tested up to 10,000 feet (0 to 3048 meters)
Carrying your MacBook Air. If you carry your MacBook Air in a bag or briefcase, make sure there
are no loose items (such as paper clips or coins) that could accidentally get inside the computer
through vent openings or get stuck inside a port. Also, keep magnetically sensitive items away
from the MagSafe 2 power port.
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