Samsung SGH-T699DABTMB - Manual (Page 308)

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Extreme heat or cold
Avoid temperatures below 0°C / 32°F or above 45°C /
113°F.
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