Safety precautions 51Do not use your device near a pacemakerAvoid using your device within a 15 cm range of a pacemaker if• possible, as your device can interfere with the pacemaker.If you must use your device, keep at least 15 cm away from the• pacemaker.To minimise the possible interference with a pacemaker, use your• device on the opposite side of your body from the pacemaker.Do not use your device in a hospital or near medicalequipment that can be interfered with by radio frequencyIf you personally use any medical equipment, contact the manufacturerof the equipment to ensure the safety of your equipment from radiofrequency.If you are using a hearing aid, contact the manufacturer forinformation about radio interferenceSome hearing aids may be interfered with by the radio frequency of yourdevice. Contact the manufacturer to ensure the safety of your hearing aid.Turn off the device in potentially explosive environmentsTurn off your device in potentially explosive environments instead of• removing the battery.Always comply with regulations, instructions and signs in potentially• explosive environments.Protect the device, batteries, and chargers from damageAvoid exposing your device and batteries to very cold or very hot• temperatures.Extreme temperatures can cause the deformation of the device and• reduce the charging capacity and life of your device and batteries.Prevent batteries from contacting metal objects, as this can create a• connection between the + and – terminals of your batteries and lead totemporary or permanent battery damage.Never use a damaged charger or battery.•Caution: Follow all safety warnings andregulations when using your device inrestricted areasTurn off your device where prohibitedComply with all regulations that restrict the use of a mobile device in aparticular area.Do not use your device near other electronic devicesMost electronic devices use radio frequency signals. Your device mayinterfere with other electronic devices.