Device basicsHomeOngoing care and supportDevice supportCochlear Nucleus PortfolioNucleus® 5 Device basicsDevice basicsAssembling your sound processorWatch this videoAttaching and removing earhooksWatch this videoHow to use the telephone with your sound processorWatch this videoKeeping the batteries secure from childrenWatch this videoLocating the serial number on your processing unitWatch this videoManually turning the telecoil on and off (simple user interface)Watch this videoUsing Bluetooth with your sound processorWatch this videoUsing the personal audio cableWatch this videoUsing volume and sensitivity (advanced user interface)Watch this video