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• Batter ies have occasionally b een mistaken for pills. T herefore check your m edicine
carefully bef ore swallowing any pills.
• Never put your he aring instrumen t or batteries in you r mouth for any reason , as they
are slipper y and could be swallowe d by accident.
• Most hear ing instruments c an be supplied with a t amper-resistant bat tery
compar tment upon reques t. This is strongly re commended for infant s, small children,
and people w ith learning dicul ties.
If a batter y or hearing instrument is swa llowed, see a doctor immed iately and call the
National Poison Cent er, collect (202) 625-3333.
Battery use
• Always use b atteries reco mmended by your Hearin g Care Profession al. Batteries of
low qualit y may leak and cause bodil y harm.
• Never atte mpt to recharge your ba tteries. They may e xplode and cause s erious
inj ury.
• Never dispos e of batteries by bu rning them. There is a ris k that they will explod e and
cause serious injury.
Dysfunc tion in hearing ins truments
• Hearing ins truments may sto p functioning, for i nstance if the bat teries have expir ed
or if the tubin g is blocked by moisture o r ear wax. You should be aware o f this
possibilit y, in particular when yo u are in trac or other wise dependent on w arning
sounds.
Active implants
Caution mu st be shown with ac tive implants. As g eneral advice, follo w the guidelines
as recommen ded by manufactur ers of implantabl e debrillators and p acemakers
regarding u se with cell phones:
• If you wear an ac tive implant, the n keep the hearing inst rument more than 15 cm
away from th e implant, e.g., do not carr y them in a breast p ocket.
• If you have an ac tive brain implant , please contact t he manufacture r of your
implantable device for information about the risk of disturbance.
Warnings Warnings