Mountain Time USA
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CARE FOR YOUR
"BEHIND THE EAR" HEARING INSTRUMENTS
Behind-the-ear (BTE) hearing aids and
earmolds can and do become dirty from dust, skin and
hair oils along with a host of other
contaminants that can adversely affect
operation. More common however, the
earmolds or domes are subjected to the ear
canal's production of earwax (cerumen) that
can impede sound transmission. Keeping
this channel clean is VERY important.
The following check-list should be followed to know if the instrument is functioning properly:
Parents of children wearing hearing aids should check your child's hearing aids every day using the same process that adult users follow.
ACOUSTIC FEEDBACK (whistling)
Feedback means that amplified sound is being picked up by the microphone and "re-amplified." The reason feedback is perceived as a "whistle" is that the hearing aid's receiver (speaker system) resonates best at usually one frequency, this being the frequency of the feedback. Much of the time, feedback is NORMAL when one puts their hand over their ear. This is "controlled feedback." It is NOT NORMAL when feedback occurs when you take your hand away. If so, check the following:
TO TAKE CARE OF YOUR BTE....