15
16
Sound tube cleaning and care
Care of
the
sound tube
Use a soft cloth to remove any dirt and moisture after each use. The provided
GREEN cleaning
line
and brush is for removing debris / wax built-up inside the
sound tube and dome.
Replace
ment
and cleaning of sound tube
1.
To replace - rotate the sound tube counter-clockwise from the hearing
instrument case until loosen
ed
for removal.
Replacement tubes and domes
are
available from Hearing Assist
.
2.
To clean - insert the GREEN cleaning
line
through the threaded end of the tube,
push the cleaning
line
all the way through the tubing until the tip of the GREEN
cleaning
line
comes through the end of the dome.
Whistling is common in
hearing aids
and is
also
known as 'feedback'.
This
phenomenon
is caused by amplified sound leaving the ear
, being received
back
into
the microphone and being re-amplified. The following tips will help
reduce the
effect of
whistling/feedback
noise:
1.
Lower the volume.
Keep volume at
a
lower setting before inserting the instrument in your ear.
2.
Secure
the positioning of the dome within the ear.
Feedback/whistling noise will stop when the
hearing aid
is
securely
fitted/
sealed
in the ear with the best fitt
ing
dome size.
3.
Clear the ear canal of wax or debris.
Seek
guidance from your physician
for excessive wax built-up
.
4.
Replace the dome or tub
e
.
Change
to a
new dome with a
better fitting size.
Make sure the
ear
tub
e
is not broken or torn.
Whistling
/Feedback
noise helpful tips
