Huawei Y635 Quick Start Manual page 10

Protecting your hearing when using a headset
•
not listen at high volume levels for long periods.
•
Using a headset at high volumes may damage your
hearing. To reduce this risk, lower the headset
volume to a safe and comfortable level.
•
Exposure to high volumes while driving may cause
distraction and increase your risk of an accident.
Potentially Explosive Atmosphere
Power off your device in any area with a potentially
explosive atmosphere, and comply with all signs and
instructions. Areas that may have potentially explosive
atmospheres include the areas where you would
normally be advised to turn off your vehicle engine.
Triggering of sparks in such areas could cause an
explosion or a fire, resulting in bodily injuries or even
deaths. Do not power on your device at refueling points
such as service stations. Comply with restrictions on the
use of radio equipment in fuel depots, storage, and
distribution areas, and chemical plants. In addition,
adhere to restrictions in areas where blasting operations
are in progress. Before using the device, watch out for
areas that have potentially explosive atmospheres that
are often, but not always, clearly marked. Such locations
include areas below the deck on boats, chemical transfer
or storage facilities, and areas where the air contains
chemicals or particles such as grain, dust, or metal
powders. Ask the manufacturers of vehicles using
To prevent possible hearing damage, do
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