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Telephone use
Using the telephone, while wearing your hearing
instrument, may require some practice. Many
hearing instruments will whistle, when the
phone is held up against them. To avoid this
problem, your hearing instrument has an
induction coil. By switching the program button to the telecoil
program (typically program 3), the hearing instrument will only
pick up sounds coming from the telephone. You may need to ad-
just the volume on the hearing instrument to improve hearing
understanding on the telephone. The receiver of the telephone
should be placed as shown in the drawing.
Cellular Phone and Hearing Instrument Compatibility
Hearing instrument performance with cellular phones may vary
based on the individual hearing system or the cell phone being
used. If your hearing system and cell phone are not compatible
you may experience a buzzing or clicking noise while using the
two in conjunction. If this is the case with your current hearing
system and cell phone, consult with your hearing healthcare
professional to see if there are options to improve the sound
quality.
Measures you can take to prevent this situation:
• When purchasing a hearing system, be sure to test it with
your existing phone to determine compatibility.
• When shopping for a new cell phone, be sure to test it with
your hearing system before purchasing.
For additional guidance, please consult your cell phone provider.
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Using Assistive Listening (Tele-Loop) Systems
Many gathering places are equipped with assistive listening
(tele-loop) systems, for example, in schools, theaters and
houses of worship. To take advantage of a tele-loop system,
select the telecoil program (program 3). When the telecoil pro-
gram has been selected, you will be able to hear a clean sound
signal via the tele-loop system. If the instrument goes dead in
the telecoil program, this may be because the loop system is not
operating.
If a school, theater or house of worship does not have a tele-
loop system, try and sit as close as possible to the front and use
one of the microphone programs.
Maintenance and cleaning
Earwax (cerumen) can accumulate in and on the earmould
during use. Therefore, clean your earmould regularly. Failure to
do so can lead to an accumulation of earwax, impairing sound
quality.
Keep your hearing instrument clean and dry. Wipe the case with
a soft cloth or tissue after use to remove grease or moisture.
You should avoid exposing your instrument directly to moisture
such as rain or water from the shower. If your instrument does
get wet or if it has been exposed to high humidity or perspira-
tion, it should be left to dry out overnight with the battery out
and the battery compartment open. It is also a good idea to put
them in a sealed container together with a drying agent (des-
sicator) overnight. Consult your hearing care professional as to
which drying agent to use.
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