EchoLife HG850
Service Manual
Safety Precautions
Issue 02 (2007-05-30)
Huawei Technologies Proprietary
5
Safety Precautions
General Requirements:
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Before you install and use the device, read these safety precautions carefully and
observe them during operation.
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During storage, transportation and operation of the device, keep the device dry.
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During storage, transportation and operation of the device, avoid collision and
crash of the device.
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Never attempt to dismantle the device by yourself. In case of any fault, contact the
appointed maintenance center for repair.
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Without prior written consent, no organization or individual is permitted to make
any change to the structure or safety design of the device. Huawei Technologies
Co., Ltd. is not liable to any consequences or legal issues due to such changes.
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While using the device, observe all applicable laws, directives and regulations, and
respect the legal rights of other people.
Environment Requirements:
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Place the device at a well-ventilated place. Do not expose the device to direct
sunlight.
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Keep the device clean and free of dusts.
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Do not place any object on top of the device. Otherwise, the device may be too hot
during operation. It can even be deformed or damaged by the heavy load.
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Keep at least 10 cm between the device and the closest object for heat dissipation.
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Do not place the device on or near any object that can easily catch fire, such as
something made of rubber.
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Keep the device far away from any heat source or bare fire, such as a candle or an
electric heater.
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Keep the device far away from any household appliance with strong magnetic field
or electromagnetic field, such as a microwave oven or a refrigerator or a mobile
phone.
Operating Requirement:
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Do no let a child operate the device without guidance.
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Do not let a child play with the device or any accessory. Swallowing the
accessories may lead to peril.
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Use the accessories provided or authorized by the manufacturer only.
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