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Warning and Notice
Safety Precautions
• If inadequately shielded, some electronic devices, for example, the electronic
system of vehicles, may be aected by the electromagnetic interference caused
by the device. Consult the manufacturers of such devices before using the
device if necessary.
• Operating the device may interfere with medical instruments such as hearing
aids and pacemakers. Always keep the device more than 20 centimetres away
from such medical instruments when your device is powered on. Power o
the device if necessary. Consult a physician or the manufacturers of medical
instruments before using the device if necessary.
• Be aware of the usage limitation when using the device at places such as oil
warehouses or chemical factories, where there are explosive gases or explosive
products being processed. Power o the device if necessary.