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The dome should be
changed every three
months or when it
becomes sti or brittle.
This is to prevent the dome
from detaching from the
tube spout during insertion
into or removal from
the ear.
When you are not using
your hearing aid, leave the
battery door open so that
any moisture can
evaporate. Make sure that
you always completely dry
your hearing aid after use.
Store the hearing aid in a
safe, dry and clean place.
Do not drop your hearing
aid! Dropping onto a hard
surface can damage your
hearing aid.
Always use new batteries
for your hearing aid. In
case a battery is leaking,
replace it immediately with
a new one to avoid any
skin irritation. You can
return used batteries
to your hearing care
professional.
The batteries used in these
hearing aids should not
exceed 1.5 Volts. Please do
not use silver-zinc or Li-ion
(lithium-ion) rechargeable
batteries as these may
cause severe damage to
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