Health and safety information174Electronic devicesMost modern electronic equipment is shielded fromradio frequency (RF) signals. However, certainelectronic equipment may not be shielded againstthe RF signals from your wireless phone. Consultthe manufacturer to discuss alternatives.PacemakersPacemaker manufacturers recommend that aminimum distance of 15 cm (6 inches) bemaintained between a wireless phone and apacemaker to avoid potential interference with thepacemaker. These recommendations are consistentwith the independent research andrecommendations of Wireless Technology Research.Persons with pacemakers:• should always keep the phone more than 15 cm(6 inches) from their pacemaker when the phoneis switched on• should not carry the phone in a breast pocket• should use the ear opposite the pacemaker tominimise potential interferenceIf you have any reason to suspect that interferenceis taking place, switch off your phone immediately.Hearing aidsSome digital wireless phones may interfere withsome hearing aids. In the event of suchinterference, you may wish to consult your hearingaid manufacturer to discuss alternatives.Health and safety information175Other medical devicesIf you use any other personal medical devices,consult the manufacturer of your device todetermine if it is adequately shielded from externalRF energy. Your physician may be able to assist youin obtaining this information. Switch off your phonein health care facilities when any regulations postedin these areas instruct you to do so. Hospitals orhealth care facilities may be using equipment thatcould be sensitive to external RF energy.VehiclesRF signals may affect improperly installed orinadequately shielded electronic systems in motorvehicles. Check with the manufacturer or itsrepresentative regarding your vehicle.You should also consult the manufacturer of anyequipment that has been added to your vehicle.Posted FacilitiesSwitch off your phone in any facility where postednotices require you to do so.