28■ Operating environmentThis device meets RF exposure guidelines when used either in the normal use position againstthe ear or when positioned at least 2.2 centimeters (7/8 inch) away from the body. When acarry case, belt clip, or holder is used for body-worn operation, it should not contain metal andshould position the device the above-stated distance from your body.To transmit data files ormessages, this device requires a quality connection to the network. In some cases, transmissionof data files or messages may be delayed until such a connection is available. Ensure theabove separation distance instructions are followed until the transmission is completed.Parts of the device are magnetic. Metallic materials may be attracted to the device. Do notplace credit cards or other magnetic storage media near the device, because informationstored on them may be erased.■ Medical devicesOperation of any radio transmitting equipment, including wireless phones, may interferewith the functionality of inadequately protected medical devices. Consult a physician or themanufacturer of the medical device to determine if they are adequately shielded from externalRF energy or if you have any questions. Switch off your device in health care facilities whenany regulations posted in these areas instruct you to do so. Hospitals or health care facilitiesmay be using equipment that could be sensitive to external RF energy.Implanted medical devicesManufacturers of medical devices recommend that a minimum separation of 15.3 centimeters(6 inches) should be maintained between a wireless device and an implanted medical device,such as a pacemaker or implanted cardioverter defibrillator, to avoid potential interferencewith the medical device. Persons who have such devices should:• Always keep the wireless device more than 15.3 centimeters (6 inches) from the medicaldevice when the wireless device is turned on.• Not carry the wireless device in a breast pocket.• Hold the wireless device to the ear opposite the medical device to minimize the potentialfor interference.• Turn the wireless device off immediately if there is any reason to suspect thatinterference is taking place.• Read and follow the directions from the manufacturer of their implanted medical device.If you have any questions about using your wireless device with an implanted medicaldevice, consult your health care provider.Hearing aidsSome digital wireless devices may interfere with some hearing aids. If interference occurs,consult your service provider.