Traffic Security; Operating Environment - Huawei E5180 Quick Start Manual

Areas with flammables and explosives
Do not use the device where flammables or explosives are stored (in a

gas station, oil depot, or chemical plant, for example). Using your device
in these environments increases the risk of explosion or fire. In addition,
follow the instructions indicated in text or symbols.
Do not store or transport the device in containers with flammable liquids,

gases, or explosives.

Traffic security

Observe local laws and regulations while using the device. To reduce the

risk of accidents, do not use your wireless device while driving.
Concentrate on driving. Your first responsibility is to drive safely.

RF signals may affect the electronic systems of motor vehicles. For more

information, consult the vehicle manufacturer.
Do not place the device over the air bag or in the air bag deployment

area in a motor vehicle. Doing so may hurt you because of the strong
force when the air bag inflates.
Do not use your device while flying in an aircraft or immediately before

boarding. Using wireless devices in an aircraft may disrupt wireless
networks, present a hazard to aircraft operation, or be illegal.

Operating environment

Avoid dusty, damp, or dirty environments. Avoid magnetic fields. Using

the device in these environments may result in circuit malfunctions.
Before connecting and disconnecting cables, stop using the device and

disconnect it from the power supply. Ensure that your hands are dry
during operation.
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