Huawei MT883 User Manual - Page 7
Operation Requirements, Cleaning Requirements, Environmental Protection
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Operation Requirements z Do not allow children to play with the device or accessories.Swallowing the accessories may be fatal. z Use the accessories provided or authorized only by the manufacturer. z Make sure that the device does not get wet. If water gets into the device, disconnect the power supply immediately and unplug all the cables connected to the device. z The power supply of the device must meet the requirements of the input voltage of the device. z Before plugging or unplugging any cable, shut down the device and disconnect the power supply. z While plugging or unplugging any cable, make sure that your hands are dry. z Do not step on, pull, or stretch any cable. Otherwise, the cable may get damaged, leading to malfunction of the device. z Do not use old or damaged cables. z Keep the power plug clean and dry, to prevent electric shock or other dangers. z During lightning, disconnect the device from the power supply and unplug all the cables connected to the device, such as the power cable, telephone cable, and RF cable, to prevent lightning strike. z If the device is not used for a long time, disconnect the power supply and unplug the all the cables connected to the device. z If smoke, sound, or smell is emitted from the device, stop using the device immediately, disconnect the power supply, unplug the power supply and other cables, and remove the batteries. Contact the authorized maintenance center for repair. z Make sure that no object (such as metal shavings) enters the device through the heat dissipation vent. z Do not scratch or abrade the shell of the device. The shed painting may lead to skin allergy or malfunctions of the device. If the shed painting material drops into the host, a short circuit may occur. Cleaning Requirements z Before cleaning the device, stop using it, disconnect the power supply, and unplug all the cables connected to the device. z Do not clean the device cover with any cleaning solution or cleanser spray. Use a piece of soft cloth to clean the device cover. Environmental Protection 2