Etymotic Research HF5 Headphones User Manual


 
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Caution
Inrareinstances aneartipmaycome offin the earcanal when
removingtheearphone.Ifthisshouldoccurand the eartipcannot
beeasily removed,itisrecommendedthat youpromptlycontact
anaudiologist orother medical professional.Aprofessionalcan
useblunt tweezerstoremovetheeartip.
Consultanaudiologist orphysician ifyou haveexcessiveear wax,
difficulty inserting the eartips,ordiscomfortafter prolongeduse.
Etymoticearphones excludemostexternalsounds. Itis unsafeto
usein-ear earphoneswhile operatinga motorizedvehicle,
operatingmachinery,bicyclingor jogging,becauseyoumay not
bealertedtopotentialdanger.
Donot use atexcessivelyloudlevels.Researchconfirms that
earphonesthat sealthe earcanal allowlisteners tolistenat safer
levels.Noise-inducedhearing lossis a function ofexposuretime,
theaveragesound leveland thepeak ofveryloud sounds.A
sealedeartipand lowerlisteninglevelsallow forlonger periods of
safelistening.