Cochlear baha cordelle ii User manual
English Svenska Dansk Suomi Norsk ZONE 3
User Manual
Cordelle II
®
Baha
English 4
Svenska 26
Dansk 48
Suomi 70
Norsk 93
Instructions
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The Baha® Cordelle II is a bone conduction sound processor. The Cordelle II is the
most powerful Baha sound processor and consists of a body worn unit connected
to a head worn unit. The Baha® bone conduction system works by combining a
sound processor with an abutment and a small titanium implant placed in the
skull behind the ear. The system is based on a process of osseointegration through
which living bone tissue integrates with titanium. Thus, the titanium implant
becomes one with the bone allowing sound to be conducted via the skull bone
directly to the cochlea and improving your hearing.
Please read this manual carefully to learn how to use and maintain your sound
processor. Be sure to discuss any questions or concerns that you may have
regarding hearing, or use of this system, with your hearing care professional.
Baha® Cordelle II
u Head worn unit
v Body worn unit
w Cord
x Program switch (M/MT/T)
y Direct audio input
U Tone switch
V Volume control, on/off
W Microphone
X Electrical output
at Clip
ak Battery compartment
al Serial number
am Plastic snap connector
an Electrical input
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Getting started
Connecting and disconnecting the unit
A plastic snap connector is mounted to the head worn unit. It is designed to snap
onto the abutment and hold the head worn unit securely in place. The body worn
unit is equipped with a clip so you can attach the unit to your clothes. The audio
cord is connected by attaching the angulated plug to the body worn unit and the
straight plug to the head worn unit (see pictures on the inside of the cover). The
three-pin plug is reversible.
Connecting 1 Hold the head worn unit so that the plastic snap connector is
accessible and move any hair away from the abutment. Push the device carefully
in with a tilting motion and it will attach to the abutment.
Disconnecting 2 Tilting the head worn unit slightly in any direction will release
it from the abutment.
Warning! Do not push the head worn unit straight in and do not pull
it straight out. This puts pressure on the abutment and may cause
discomfort.
We strive to provide the best possible products and services to our clients. Your
views and experiences of our products and services are important to us. If you
have any comments you would like to share, please contact us:
Address:
Customer Service - Cochlear Americas
13059 E. Peakview Avenue, Centennial, CO 80111, USA
Toll free (North America) 1800 523 5798
Tel: +1 303 790 9010 Fax: +1 303 792 9025
Email: customer@cochlear.com
Customer Service - Cochlear Europe
6 Dashwood Lang Road, Bourne Business Park, Addlestone, Surrey KT15 2HJ, UK
Tel: +44 1932 87 1500 Fax: +44 1932 87 1526
Email: info@cochlear.co.uk
Customer Service - Cochlear Asia Pacific
1 University Avenue, Macquarie University, NSW 2109, Australia
Toll free (Australia) 1800 620 929
Toll free (New Zealand) 0800 444 819
Tel: +61 2 9428 6555 Fax: +61 2 9428 6352 or Toll free 1800 005 215
Email: customerservice@cochlear.com.au
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Program switch
The body worn unit is equipped with a program switch for the telecoil function.
The telecoil improves sound quality and speech understanding when using
telephones in homes where there are personal loop systems installed and in
other buildings with loop facilities.
There are three programs available. “M” is for listening with the microphone only.
In program “M/T” both the microphone and telecoil are active. In program “T”
only the telecoil is active.
Trim controls
There are two trim controls on the back of the body worn unit. These are to be
adjusted by audiologists only. When fitting the Cordelle, the audiologist will set
these trimmers to suit your needs.
On/Off and Volume control
Off When the volume control is in the 0 position it is off. You will feel a “click”
as it goes into off mode.
On For the sound processor to be on, the volume control must be set to a
position higher than 0. You will feel a click as the sound processor moves from off
mode to on mode.
Volume control If you turn the volume control towards the M/T switch the
volume increases, and if you turn it away from the M/T switch it will decrease.
Tone switch
The tone switch controls the frequency response. The switch can be set in three
different positions.
N = Normal. This gives the widest frequency response.
H = High frequency emphasis. This setting reduces low frequency sounds,
which often can improve speech understanding.
L = Low frequency emphasis. This position is often useful during the first period
after fitting as it allows you to gradually get used to high frequency sounds you
have not heard in a long time.
The tone switch is effective for all inputs (microphone, telecoil and
accessories connected via the direct audio input).
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Care and maintenance
Cleaning the abutment area
When the last dressing has been removed and the abutment is exposed hygiene
continues to be very important.
Daily care
On a daily basis the area around the abutment should be cleaned to avoid debris
build-up. This build-up around the base of the abutment is not a scab and must
be removed. Cleaning this area is most easily done when you bath or take a
shower as plenty of warm water and soap on the area will help to soften any
crust that may have developed around the base of the abutment.
The soft brush, which was provided with your sound processor, should be
used for cleaning.
During the first weeks, after the dressing is removed, cleaning with the soft brush
may feel a little rough. If so, use a strip of baby wipe until your skin becomes
less sensitive and you can use the brush comfortably. The soft brush can be used
with any mild soap or shampoo and plenty of warm water.
Telephones and mobiles
Hold the telephone or mobile “upside down” close to the microphone (using
the M program) or close to the telecoil (if using the MT or T program) as seen to
the left. The telecoil is placed vertically, close to the electrical input. Please note
the magnetic field from many modern phones is not strong enough to be picked
up by the telecoil. Some phones can be equipped with a neck-loop to reinforce
the magnetic field. It is important that neither you, nor the phone, touches the
sound processor as this may cause feedback (“whistling”).
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You will have routine check-ups, initially every 4-6 months and later every
6-12 months.
However, should you experience any persistent irritation, soreness or
any other signs of inflammation around the abutment, always contact
your doctor.
Maintenance of your Baha® Cordelle II
Do not get the sound processor wet.
The sound processor can be worn during waking hours apart from when you take
a bath, shower, or swim.
Keep in mind that the sound processor consists of two delicate electrical devices
that should be used with due care and attention. When engaging in physical
activities, use common sense. If the activity is of such a nature that the sound
processor risks getting damaged (for example contact sports) – remove it!
When you brush, aim the bristles at the side of the abutment rather than at the
skin. Your focus should be to remove crust and debris around the base of the
abutment rather than brushing your skin. Your skin is delicate and should not be
treated too harshly.
Remember, it is important to keep your soft brush clean too!
After cleaning, gently dry the area around the abutment with a clean towel
or tissue. Do not allow your hair to wrap itself around the abutment. If you use a
hairdryer do not keep hot air on the abutment for too long.
Weekly care
If you use an abutment cover it will help keep the inside of the abutment clean.
However, the inside of the abutment should still be cleaned on a weekly basis.
The soft brush can also be used for cleaning inside the abutment. Again, this is
best done in conjunction with a bath or shower when soap and warm water can
soften dirt making it easy to remove.
Skin debris or any other dirt in the abutment can prevent a smooth fitting of the
abutment to your abutment cover and head worn unit. This could potentially
lead to damage of your head worn unit.
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Batteries
The Cordelle II is powered by a 9 V battery. Three rechargeable batteries are
included with your Cordelle II and these should last for many years if handled
with appropriate care. However, non-rechargeable batteries can also be used.
Battery replacement
Open the battery compartment by pressing the cover at the bottom of the body
worn unit and lift it up. Turn the body worn unit over and the battery will fall out.
If it gets stuck you can shake the device carefully. Place the new battery with the
+ mark facing the + mark in the battery compartment. Push the battery in and
close the cover.
Warning! The Baha sound processor contains small parts that may
be a risk for small children. Batteries can be harmful if swallowed.
Be sure to keep your batteries out of reach of small children, people
of diminished mental capacity and pet animals. In the event a battery
is accidentally swallowed, seek medical attention immediately at the
nearest emergency centre.
When not using your Baha® Cordelle II
When not in use ensure that the sound processor is switched off and stored
carefully where the head worn unit and body worn unit will not gather dust and
dirt. If you will not be using the sound processor for any length of time, remove
the battery from the body worn unit. To maintain a good snap connection to the
abutment, we recommend that you use an abutment cover when not wearing
your head worn unit.
Cleaning your Baha sound processor
Ensure that your snap coupling is always visibly clean. Use a brush for cleaning
purposes. (A regular toothbrush with hard bristles is suitable). Do not use water
or other liquids when cleaning your Baha.
Keep the plastic housings clean by regularly wiping with a soft, dry cloth.
Attention: For children who have been fitted with a Baha sound processor
it is extremely important that the parent or caregiver of the child provides
all necessary assistance and support in cleaning and maintenance,
as detailed above.
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Batteries have to be charged for 2-4 hours before use. A suitable battery
charger can be purchased from Cochlear or a local electronics store.
We recommend “intelligent” fast chargers for NiMH batteries.
Non-rechargeable batteries
Non-rechargeable batteries usually have a higher capacity and last longer.
Batteries from different manufacturers tend to vary in size. If possible test the
battery to make sure it fits and will function properly prior to purchase.
Warning! Non-rechargeable batteries cannot be recharged!
Note: Always follow local regulations for battery disposal.
Battery life
To maximise battery life, switch off the sound processor when not in use.
Battery life varies depending on volume setting, the sound environment and
the program setting. Battery life will decrease significantly when using the Baha
sound processor with a connected FM receiver if the FM receiver uses the sound
processor as its power source. Using powerful batteries is particularly important
when high current consumption is common. Battery function can
be related to a number of problems including: no sound, intermittent sound and
crackling/buzzing. Thus, when encountering problems one of the first things one
can do is to try recharging or changing the battery.
Rechargeable batteries
A fully charged battery will normally last for 1-2 days but this can vary
considerably depending on settings and the sound environment. Do not forget to
switch off the body worn unit when you are not using it to save the battery.
Due to self-discharge, battery capacity always decreases over time. A fully
charged battery will have about 80% of its capacity left after one month
(60% after 6 months). After long storage, several charge/discharge cycles
may be necessary to restore full capacity.
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Accessories
Several accessories are available to enhance your sound experience in
different contexts. To ensure the smooth operation of your Baha, only use
Cochlear original accessories or accessories approved by Cochlear.
Phonak FM-receiver
Enables the use of most Phonak FM transmitters. For more information
and orders contact your local Phonak distributor www.phonak.com.
Direct audio input and microphone settings
The body worn unit is equipped with a direct audio input designed for
connecting external equipment. The M/T switch automatically switches off the
telecoil, if external equipment is connected, as well as regulating which sound
sources are accessed (see table on page 20).
Depending on the signal level, the volume control may have to be adjusted to
achieve a normal listening level. If sound is distorted at a normal listening level,
the electrical signal into the Cordelle II may be too high. If possible reduce the
volume at the signal source so that the volume control on the Cordelle II can be
left in a normal position.
General advice
• A sound processor will not restore normal hearing and will not prevent
or improve a hearing impairment resulting from organic conditions.
• Infrequent use of a sound processor does not permit a user to attain full benefit
from it.
• The use of a sound processor is only part of hearing rehabilitation and may
need to be supplemented by auditory training and instructions in lip-reading.
• The Baha® Cordelle II is suitable for use in electromagnetic environments with
mains power of typical commercial or hospital quality, and power frequency
magnetic fields of typical commercial or hospital levels. It is intended for use
in an electromagnetic environment in which radiated RF (radio frequency)
disturbances are controlled.
• Interference may occur in the vicinity of equipment with the symbol
to the left.
• For advice on “do’s and don’ts” for your Baha sound processor see
the section on Warnings and Precautions (p. 22).
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