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66 Chapter 7 Safety and Cleaning
The iPod USB Power Adapter may become warm during normal use. Always allow
adequate ventilation around the iPod USB Power Adapter and use care when handling.
Unplug the iPod USB Power Adapter if any of the following conditions exist:
 The power cord or plug has become frayed or damaged.
 The adapter is exposed to rain, liquids, or excessive moisture.
 The adapter case has become damaged.
 You suspect the adapter needs service or repair.
 You want to clean the adapter.
Hearing damage Permanent hearing loss may occur if earbuds or headphones are
used at high volume. Set the volume to a safe level. You can adapt over time to a
higher volume of sound that may sound normal but can be damaging to your hearing.
If you experience ringing in your ears or muffled speech, stop listening and have your
hearing checked. The louder the volume, the less time is required before your hearing
could be affected. Hearing experts suggest that to protect your hearing:
 Limit the amount of time you use earbuds or headphones at high volume.
 Avoid turning up the volume to block out noisy surroundings.
 Turn the volume down if you can’t hear people speaking near you.
For information about how to set a maximum volume limit on iPod classic, see “Setting
the Maximum Volume Limit” on page 31.
Headphones safety Use of earphones while operating a vehicle is not recommended
and is illegal in some areas. Check and obey the applicable laws and regulations on the
use of earphones while operating a vehicle. Be careful and attentive while driving. Stop
listening to your audio device if you find it disruptive or distracting while operating any
type of vehicle or performing another activity that requires your full attention.
Seizures, blackouts, and eye strain A small percentage of people may be susceptible
to blackouts or seizures (even if they have never had one before) when exposed to
flashing lights or light patterns such as when playing games or watching video. If you
have experienced seizures or blackouts or have a family history of such occurrences,
you should consult a physician before playing games (if available) or watching video on
your iPod classic. Discontinue use and consult a physician if you experience: convulsion,
eye or muscle twitching, loss of awareness, involuntary movements, or disorientation.
To reduce the risk of blackout, seizures, and eyestrain, avoid prolonged use, hold
iPod classic some distance from your eyes, use iPod classic in a well lit room, and take
frequent breaks.
Repetitive motion When you perform repetitive activities such as playing games on
iPod classic, you may experience occasional discomfort in your hands, arms, shoulders,
neck, or other parts of your body. Take frequent breaks and, if you have discomfort
during or after such use, stop use and see a physician.