XBOX 360 Consumer Documentation page 10

IMPORTANT
To avoid jamming the disc drive and damaging discs or the console:
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Remove discs before moving the console or tilting it between the horizontal and vertical positions.
•
Never use cracked discs. They can shatter inside the console and jam or break internal parts.
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When the console is vertical, do not use discs that are smaller than standard DVDs and CDs. If
the disc drive jams or is damaged, contact Xbox Customer Support to have your console repaired.
Important Health Warnings About Playing Video Games
Photosensitive Seizures
A very small percentage of people may experience a seizure when exposed to certain visual images,
including flashing lights or patterns that may appear in video games. Even people who have no
history of seizures or epilepsy may have an undiagnosed condition that can cause these
"photosensitive epileptic seizures" while watching video games.
These seizures may have a variety of symptoms, including lightheadedness, altered vision, eye or
face twitching, jerking or shaking of arms or legs, disorientation, confusion, or momentary loss of
awareness. Seizures may also cause loss of consciousness or convulsions that can lead to injury
from falling down or striking nearby objects.
Immediately stop playing and consult a doctor if you experience any of these symptoms. Parents
should watch for or ask their children about the above symptoms—children and teenagers are more
likely than adults to experience these seizures. The risk of photosensitive epileptic seizures may be
reduced by taking the following precautions:
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Sit farther from the TV screen.
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Use a smaller TV screen.
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Play in a well-lit room.
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Do not play when you are drowsy or fatigued.
If you or any of your relatives have a history of seizures or epilepsy, consult a doctor before
playing.
Musculoskeletal Disorders
Use of game controllers, keyboards, mice, or other electronic input devices may be linked to serious
injuries or disorders.
When playing video games, as with many activities, you may experience occasional discomfort in
your hands, arms, shoulders, neck, or other parts of your body. However, if you experience
symptoms such as persistent or recurring discomfort, pain, throbbing, aching, tingling, numbness,
burning sensation, or stiffness, DO NOT IGNORE THESE WARNING SIGNS. PROMPTLY SEE A
QUALIFIED HEALTH PROFESSIONAL, even if symptoms occur when you are not playing a video
game. Symptoms such as these can be associated with painful and sometimes permanently
disabling injuries or disorders of the nerves, muscles, tendons, blood vessels, and other parts of the
body. These musculoskeletal disorders (MSDs) include carpal tunnel syndrome, tendonitis,
tenosynovitis, vibration syndromes, and other conditions.
While researchers are not yet able to answer many questions about MSDs, there is general
agreement that many factors may be linked to their occurrence, including medical and physical
conditions, stress and how one copes with it, overall health, and how a person positions and uses
their body during work and other activities (including playing a video game). Some studies suggest
that the amount of time a person performs an activity may also be a factor.