16
Safety Information
Parents should monitor their children's use of video games or
other features that incorporate flashing lights on the phones. All
persons should discontinue use and consult a doctor if any of
the following symptoms occur: convulsion, eye or muscle
twitching, loss of awareness, involuntary movements, or
disorientation.
To limit the likelihood of such symptoms, please take the
following safety precautions:
•
Do not play or use a flashing-lights feature if you are tired
or need sleep.
•
Take a minimum of a 15-minute break hourly.
•
Play in a room in which all lights are on.
•
Play at the farthest distance possible from the screen.
Caution About High Volume Usage
Listening at full volume to music or voice through a
headset may damage your hearing.
Repetitive Motion Injuries
When you repetitively perform actions such as pressing keys or
entering finger-written characters, you may experience
occasional discomfort in your hands, arms, shoulders, neck, or
other parts of your body. Follow these instructions to avoid
problems such as tendonitis, carpal tunnel syndrome, or other
musculoskeletal disorders:
•
Take a minimum 15-minute break every hour of game
playing.
17
Safety Information
•
If your hands, wrists, or arms become tired or sore while
playing, stop and rest for several hours before playing
again.
•
If you continue to have sore hands, wrists, or arms during
or after play, stop playing and see a doctor.
1. The information provided in this document supersedes the general safety
information in user’s guides published prior to January 28, 2005.