Operating Environment; Cleaning And Maintenance - Huawei U550 User Manual

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Operating Environment

Operating Environment
• he phone, battery, and charger are not water-resis-
tant. Keep them dry. Protect the phone, battery and
charge from water or vapor. Do not touch the phone
with a wet hand. Otherwise, short-circuit and mal-
function of the product or electric shock may occur.
• Do not use the phone in dusty, damp and dirty
places or places with magnetic field. Otherwise,
malfunction of the circuit may occur.
• Do not turn on or off the phone when it is near your
ears to avoid negative impact on your health.
• When carrying or using the phone, keep the
antenna at least one inch (2.5 centimeters) away
from your body, to avoid negative impact on your
health caused by radio frequency leakage.
• If you feel uncomfortable (such as falling sick or
qualm) after playing games on your phone for a
long time, please go to see a doctor immediately.
• On a thunder stormy day, do not use your phone
outdoors or when it is being charged.
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• Do not touch the antenna when a call is going on.
Touching the antenna may affect call quality and
cause the phone to operate with more power. As a
result, the talk time and standby time are short-
ened.
• The phone may interfere with nearby TV sets,
radios and PCs.
• In accordance with international standards for radio
frequency and radiation, use phone accessories
approved by the manufacturer only.

Cleaning and Maintenance

• Before you clean or maintain the phone, turn off the
phone and disconnect it from the charger. Other-
wise, electric shock or short-circuit of the battery or
charger may occur.
• Do not use any chemical detergent, powder, or
other chemical agent (such as alcohol and ben-
zene) to clean the phone and the charge. Other-
wise, part damage or a fire can be caused. You can
clean the phone and the charger with a piece of soft
antistatic cloth that is a little wet.

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