Samsung SCH-S720ZKATFN - Manual (Page 130)

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Microwaves
Do not try to dry your mobile device in a microwave oven.
Doing so may cause a fire or explosion.
Dust and dirt
Do not expose your mobile device to dust, dirt, or sand.
Cleaning solutions
Do not use harsh chemicals, cleaning solvents, or strong
detergents to clean the mobile device. Wipe it with a soft
cloth slightly dampened in a mild soap-and-water solution.
Shock or vibration
Do not drop, knock, or shake the mobile device. Rough
handling can break internal circuit boards.
Paint
Do not paint the mobile device. Paint can clog the device’s
moving parts or ventilation openings and prevent proper
operation.
Responsible Listening
Caution!: Avoid potential hearing loss.
Damage to hearing occurs when a person is exposed to loud
sounds over time. The risk of hearing loss increases as sound is
played louder and for longer durations. Prolonged exposure to
loud sounds (including music) is the most common cause of
preventable hearing loss. Some scientific research suggests that
using portable audio devices, such as portable music players and
cell phones, at high volume settings for long durations may lead
to permanent noise-induced hearing loss.
This includes the use of headphones (including headsets,
earbuds, and Bluetooth
® or other wireless devices). Exposure to
very loud sound has also been associated in some studies with
tinnitus (a ringing in the ear), hypersensitivity to sound, and
distorted hearing. Individual susceptibility to noise-induced
hearing loss and potential hearing problem varies. Additionally,
the amount of sound produced by a portable audio device varies
depending on the nature of the sound, the device settings, and
the headphones that are used. As a result, there is no single
volume setting that is appropriate for everyone or for every
combination of sound, settings, and equipment.
You should follow some common sense recommendations when
using any portable audio device:
• Always turn the volume down before plugging the earphones into an
audio source.
• Set the volume in a quiet environment and select the lowest volume at
which you can hear adequately.
• Be aware that you can adapt to higher volume settings over time, not
realizing that the higher volume may be harmful to your hearing.