Huawei H352-381 Quick Start Manual page 25

Safety information
This section contains important information about the operation of your device. It also contains
information about how to use the device safely. Read this information carefully before using your
device.
Electronic device
Do not use your device if using the device is prohibited. Do not use the device if doing so causes
danger or interference with other electronic devices.
Interference with medical equipment
• Follow rules and regulations set forth by hospitals and health care facilities. Do not use your
device where prohibited.
• Some wireless devices may affect the performance of hearing aids or pacemakers. Consult your
service provider for more information.
• Pacemaker manufacturers recommend that a minimum distance of 15 cm be maintained
between a device and a pacemaker to prevent potential interference with the pacemaker.
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.
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.
• Keep the device away from electronic appliances that generate strong magnetic or electric fields,
such as a microwave oven or refrigerator.
• Ideal operating temperature range is -40 °C to +55 °C without solar radiation or -40 °C to +50
°C under solar radiation. Ideal storage temperatures are -40 °C to +70 °C. Extreme heat or
cold may damage your device or accessories. When the device is operating in a -40 °C to 0 °C
environment, New Radio carrier aggregation (NR CA) will be disabled in some scenarios.
• Keep the device and accessories in a well-ventilated and cool area away from direct sunlight.
Do not enclose or cover your device with towels or other objects. Do not place the device in a
container with poor heat dissipation, such as a box or bag.
• Keep the device away from sources of heat and fire, such as a heater, microwave oven, stove,
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