![background image](http://html.mh-extra.com/html/huawei/ws331b/ws331b_manual_170383006.webp)
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Do not store or transport the device in containers with flammable liquids, gases, or
explosives.
Operating environment
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Avoid dusty, damp, or dirty environments. Avoid magnetic fields. Using the device in these
environments may result in circuit malfunctions.
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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.
Summary of Contents for WS331B
Page 3: ...Safety Information ...