Widex A S DFS D-FS Hearing Aid User Manual 9 514 0218 001 01 indd
Widex A/S D-FS Hearing Aid 9 514 0218 001 01 indd
Manual
USER INSTRUCTIONS
THE DREAM™ SERIES
D-FS model
RIC/RITE
Receiver-in-canal/
Receiver-in-the-ear
TENTATIVE
2
YOUR WIDEX HEARING AID
This is the model and the listening programs that have
been selected for you:
D4-FS
D3-FS
D2-FS
D1-FS
Listening programs:
Master AE*
Music AE*
TV AE*
Comfort AE*
Reverse focus AE*
Phone AE*
T AE*
M+T AE*
Zen AE*
Master + Zen AE*
Master + Reverse focus AE*
Master + T AE*
Master + M+T AE*
Master + Phone AE*
Zen+ AE*
Phone+ AE* * Audibility Extender
Date Your hearing care professional
3
Model comparison
D4-FS D3-FS D2-FS D1-FS
Acoustic indicators:
Message • • •
Tones • • • •
Simultaneous
volume control •••
Simultaneous
program shift •••
Listening programs 5 / Zen+ 4 / Zen+ 3 / Zen+ 2 / Zen+
4
CONTENTS
SYMBOLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THEHEARINGAID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Acousticindicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thebattery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Insertingthebattery . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lowbatteryindication . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turningthehearingaidonandoff . . . . . . . . . . . . . . . . . . .
Rightleftidentification. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Positioningthehearingaid. . . . . . . . . . . . . . . . . . . . . . . . . .
Removingthehearingaid . . . . . . . . . . . . . . . . . . . . . . . . . .
Volumeadjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lostpartneralarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Listeningprograms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Switchingbetweenthelisteningprograms. . . . . . . . . .
Phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Usingatelephone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thehearingaid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ACCESSORIES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INCASEOFMALFUNCTION . . . . . . . . . . . . . . . . . . . . . . .
CARINGFORYOURHEARINGAID. . . . . . . . . . . . . . . . . .
WARNINGS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REGULATORYINFORMATION . . . . . . . . . . . . . . . . . . . . . .
5
SYMBOLS
The following symbols will be used throughout the
manual:
WARNING
Messages with this heading indicate serious adverse reactions,
potential safety hazards and inadequate performance of device.
CAUTION
Messages with this heading indicate/include information regard-
ing any special care to be exercised.
Not for general waste.
6
THE HEARING AID
The illustration below shows the hearing aid without
the ear-set. The choice of ear-set solution depends on
your specific needs. Please refer to the separate ear-set
user manual.
1. On/off switch
2. Battery drawer with nail grip
3. Program button
4. LED & Right/Left ID
34
1/2
7
NOTE
In addition to these user instructions, a separate user manual is
provided describing the various ear-set solutions available for
your hearing aid: “Ear-sets for Widex BTE hearing aids”.
WARNING
This booklet and the manual “Ear-sets for Widex BTE hearing
aids” contain important information and instructions. Read
these booklets carefully before you start using the hearing aid.
NOTE
Your hearing aid, ear-set and accessories may not look exactly
as illustrated in this booklet. We also reserve the right to make
any changes considered necessary.
Intended use
The hearing aids are intended as air conduction
amplification devices to be used in everyday listening
environments. The hearing aids may be provided with
the Zen program intended to provide a relaxing sound
background (i.e. music/noise source) for adults who
desire to listen to such a background in quiet.
Indications for use
The devices are indicated for individuals with a full
range of hearing loss severity from slight (16 dB HL
to 25 dB HL) to severe/profound (90+ dB HL) and all
hearing loss configurations.
8
They are to be programmed by licensed hearing
care professionals (audiologists, hearing aid special-
ists, otolaryngologists) who are trained in hearing
(re)habilitation.
Description of device
Your hearing aid is used with an ear-set which consists
of an earwire and an earpiece, in which the receiver
is placed. The hearing aid uses a proprietary wireless
technology, WidexLink, to enable communication
between the left and the right hearing aids, as well as
between the hearing aids and the DEX accessories.
Your hearing aid may be provided with a listening
program called Zen. It makes musical tones (and some-
times a rushing noise) in the background. These sounds
are shaped according to your hearing loss.
9
Acoustic indicators
The hearing aid may be set to produce a signal to
indicate the use of certain functions. The signal may
be a spoken message or tones. The signal can also be
deactivated.
Functions Default
settings
Other
settings
Adjusting volume via remote control Tone Off
Confirming program button use Clicking
sound
Off
Changing program Message Tones/off
Starting up the hearing aid Message Tone/off
Warning about low battery Message 4 tones/off
Warning about lost partner Off Message
Service reminder Off Message
Note: In D1 models, acoustic indicators are always tones and
Service reminder is not available. “Warning about lost
partner” can only be made available in D4 models.
10
The battery
We recommend zinc-air batteries. Use a size 312 bat-
tery for the hearing aid.
To obtain replacement batteries, please consult your
hearing care professional. It is important to take note
of the expiry date and the recommendations on the
battery pack regarding disposal of used batteries.
Otherwise there is a risk that the battery life may be
reduced.
Inserting the battery
Before inserting a new battery into the
hearing aid, remember to remove the adhe-
sive tab. Once the tab has been removed,
the battery will start functioning after a few
seconds.
CAUTION
Do not use batteries if there is a sticky residue from the tab or
other unwanted substance, as this can cause the hearing aid to
malfunction.
11
Use the nail grip to gently swing the
battery drawer completely open. Do
not press the drawer beyond the open
position.
Place the battery in the drawer, so that the plus (+) sign
on the battery faces upward. You can use the battery
magnet provided to steer the battery into place.
If the battery drawer does not close easily, the battery
is incorrectly inserted.
When changing battery, it is a good idea to hold the
hearing aid over a table.
+
12
The hearing aid may be provided with
a battery drawer without a nail grip,
which means that you need a tool to
open the battery drawer. This type
of drawer can be a good choice if the
hearing aid is worn by a child. A special
tool for opening the drawer will be
included with this drawer.
The battery drawer is opened as illus-
trated
13
Low battery indication
An acoustic indicator will sound when the battery is
nearly exhausted, unless this function has been dis abled
(see page 9). We recommend that you always have
a spare battery with you.
WARNING
Never leave an exhausted battery in the hearing aid. Exhausted
batteries may leak, damaging the hearing aid.
WARNING
Your hearing aid may stop functioning, for instance if the
battery is exhausted. You should be aware of this possibility, in
particular when you are in traffic or are otherwise dependent
on warning signals.
14
Turning the hearing aid on and off
The battery drawer of the hearing aid also functions as
the on/off switch.
Close the battery drawer to turn on
the hearing aid. An acoustic indicator
will indicate that the hearing aid has
been switched on, unless this function
has been disabled.
To turn off the hearing aid, open the
battery drawer slightly to the first
position where a click is felt.
Please remember to turn off the hearing aid when it is
not in use. Remove the battery if the hearing aid will not
be used for several days.
15
Right/left identification
If you wear hearing aids on both
ears, the hearing aids can be
provided with coloured marks (red
mark = right and blue mark = left).
The arrow shows the position of
the identification mark.
16
Positioning the hearing aid
Insert the earpiece in the ear canal while holding the
lower part of the earwire. It may help to pull the outer
ear backwards and upwards with the opposite hand.
Place the hearing aid behind the ear, so that the hearing
aid and earwire rest comfortably on the ear, close to
your head.
The illustrations show an open ear-tip. For further infor-
mation on ear-tip/earmould types, anchors and proce-
dures, see the separate ear-set user manual provided.
17
Removing the hearing aid
Remove the hearing aid from its position behind the
ear.
Carefully pull the earpiece out of the ear canal, while
holding the lower part of the earwire. If the earpiece is
provided with an extraction cord, take hold of this and
carefully pull the ear-tip out of the ear canal.
18
Volume adjustment
The hearing aid volume is adjusted automatically in
accordance with your sound environment.
If you have a remote control, you can also adjust the
volume manually or mute your hearing aid. Any adjust-
ment of the volume setting will be cancelled when your
hearing aid is turned off, or when you change program.
Depending on hearing aid model and setting, any
change you make will affect both hearing aids. On page
3, you can see whether this feature may be available in
your hearing aids.
To alter the increments in which the volume is increased
or decreased, consult your hearing care professional.
If you have a remote control, please also refer to the
user instructions for this.
WARNING
With a custom earmould, this hearing aid is capable of pro-
ducing a sound pressure level exceeding 132 dB SPL.
There may be a risk of damaging your residual hearing.
19
CAUTION
If the volume in the hearing aid is generally too loud or too
weak, or the reproduced sounds are distorted, or if you would
like any further information, consult your hearing care profes-
sional.
To mute the hearing aid with a remote control:
Keep pressing the volume down key on the remote
control after the long beep-tone has sounded and until
it stops. Pressing one of the volume keys briefly will
bring back the sound.
Lost partner alarm
(Note: Only applicable if this feature is available and
has been activated by your hearing care professional).
If one of your hearing aids falls off your ear, and/or the
battery is exhausted, a tone signal and a spoken mes-
sage will sound two times in the other hearing aid, and
the diode will flash on both hearing aids.
When the lost hearing aid is repositioned, and/or the
battery is exchanged, the diodes stop flashing.
20
Listening programs
Your hearing aid may be provided with several of the
following programs, plus the special Zen program
called Zen+. In some models, the Phone+ program can
be made available instead of Zen+.
Master Standard
Music For listening to music
TV For listening to the TV
Comfort Attenuates background noise
Reverse focus* Focus on sounds from behind
Phone For listening to the telephone
TIn this program you listen via the telecoil
(T) and not via the hearing aid micro-
phones (M). The telecoil is used where a
loop system is installed. If you activate
the telecoil program, you listen to a spe-
cific sound source and shut out sur-
rounding sounds.
M+T In this program you listen via the hearing
aid microphones (M) and the telecoil (T).
Zen Generates different kinds of tones.
Compound
programs
The Master program in one ear and Zen,
Reverse focus*, T, MT or Phone in the
other.
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Zen+ Special Zen program with up to three
different Zen styles
Phone+* For phone use only. Transmits the tele-
phone sound received in one hearing aid
to the other hearing aid. Note that the
microphones on the hearing aid to
which the sound is transmitted are
turned off.
* only in some models
Your hearing aid has a function called the Audibility
Extender. This feature makes high frequency sounds
audible, and can be set to operate for one specific
program or globally.
If your needs change over time, the combination of
listening programs can be altered.
CAUTION
When selecting Phone+ as listening program, please remember
that there are situations in which it is particularly important to
be able to hear the surrounding sounds.
22
Zen program
Your hearing aid may be provided with a unique optional
listening program called Zen. It makes musical tones
(and sometimes a rushing noise) in the background. The
Zen program may be used alone (without amplification)
in quiet when you are not required to hear surrounding
sounds. Or, it may be used with the Master program so
both the surrounding sounds and the generated sounds
(fractal tones and noise) are heard together.
CAUTION
Use of the different Zen programs may interfere with hearing
surrounding sounds including speech. The programs should
not be used when hearing such sounds is important. Switch the
hearing aid to a non-Zen program in those situations.
CAUTION
If you perceive decrease in loudness, tolerance of sounds,
speech not as clear, or worsening tinnitus, contact your hearing
care professional.
The duration of the Zen play time can be set by your
hearing care professional according to your needs.
23
Benefits
The Zen program may provide a relaxing listening
background for some people. When the Zen program
is used in a tinnitus management program, its wearer
may experience some relief from tinnitus.
Indications for use
The Zen program is intended to provide a relaxing
sound background (i.e., music/noise source) for adults
who desire to listen to such a background in quiet.
It may be used as a sound therapy tool in a tinnitus
treatment program that is prescribed by a hearing care
professional (audiologists, hearing aid specialists, oto-
laryngologists) who is trained in tinnitus management.
Directions for use
Because of the unique ways in which Zen is programmed
in your hearing aid, please follow the recommendations
of your hearing care professionals as to how to use the
program, when to use the program and/or how long to
use the program.
24
Switching between the listening
programs
To change programs, press the pro-
gram button briefly. Each time you
switch to another program, an
acoustic indicator will sound unless
this function has been disabled.
Program 1: Message or one short beep
Program 2: Message or two short beeps
Program 3: Message or three short beeps
Program 4: Message or one long and one short beep
Program 5: Message or one long and two short beeps
Zen+: Message or tone or
Phone+: Message or tone
Depending on hearing aid model and setting, any
change you make will affect both hearing aids. On page
3, you can see whether this feature may be available in
your hearing aids.
25
Zen+
This program is accessed via a long press (more than
1 second) on the program button on the hearing aid
or the RC-DEX. A short press then allows you to cycle
through the available Zen styles.
You can exit Zen+ by pressing and holding the program
button for more than 1 second.
Phone+
If your hearing aid is programmed with Phone+ instead
of Zen+, this program is also accessed via a long press
(more than 1 second) on the program button on the
hearing aid.
You can exit Phone+ by pressing and holding the same
program button for more than 1 second.
If you wish to have the program button disabled, please
consult your hearing care professional.
26
Using a telephone
When using a telephone, we
recommend that you hold the
telephone against your head at
an angle above your ear, rather
than directly against the ear.
If the sound is not optimal, try
moving the telephone earpiece
to a slightly different position.
27
Cleaning
The following cleaning accessories are available for the
hearing aid and ear-set*. For cleaning the ear-set, see
the user manual “Ear-sets for Widex BTE hearing aids”.
1. Cloth
2. Wax removing tool
3. Brush
Contact your hearing care professional if you need
additional supplies of cleaning accessories.
* Selection depends on your ear-set solution
312
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The hearing aid
Clean the hearing aid with
the soft cloth after use.
WARNING
Never use water or cleaning solutions to clean the hearing aid,
as this may cause it to malfunction.
When the hearing aid is not in use, the
battery drawer should be left open, to
ventilate the hearing aid and allow it to
dry.
29
ACCESSORIES
A variety of assistive listening devices are available for
your hearing aid.
RC-DEX remote control
TV-DEX for listening to TV and audio
M-DEX for mobile phone applications and remote
control
PHONE-DEX for easy landline use
T-DEX for connecting hearing aids to mobile phones
using a telecoil
30
IN CASE OF MALFUNCTION
Problem Potential cause Solution
The hearing
aid is com-
pletely silent
The hearing aid is
not turned on
Make sure the battery
drawer is completely
closed
The battery does not
work
Insert a new battery in
the hearing aid
The hearing
aid volume is
not powerful
enough
The battery is nearly
exhausted
Insert a new battery in
the hearing aid
Your ear is blocked
by earwax
Contact your ENT
doctor/physician
Your hearing may
have changed
Contact your hearing
care professional
The hearing
aid whistles
continuously
Your ear is blocked
by earwax
Contact your ENT
doctor/physician
Your two
hearing aids
are not work-
ing in syn-
chrony
The connection
between the hearing
aids is lost
Turn the hearing aids
off and on again
The hearing
aids do not
respond with
a correspond-
ing change in
volume or
program to
the DEX
a. The DEX is used
beyond the trans-
mission range
b. Strong electro-
magnetic interfer-
ence in the vicin-
ity
c. The DEX and the
hearing aids are
not matched
a. Move the DEX closer
to the hearing aids
b. Move away from
known source of EM
interference
c. Check with your
hearing care profes-
sional to make sure
DEX is matched with
hearing aids
31
Problem Potential cause Solution
You hear
“inter rupted”
speech (on and
off) from the
hear ing aids or
no speech
(muted) from
the transmit-
ting ear.
a. The battery in one
of the hearing aids
has expired
b. Strong electro-
magnetic interfer-
ence in the vicin-
ity
a. Replace battery in
one or both hearing
aids
b. Move away from
known sources of
interference
Note: This information covers only the hearing aid. See
the “Ear-sets for Widex BTE hearing aids” user manual
for information specific to your ear-set.
If the problems persist, contact your hearing care pro-
fessional for assistance.
32
CARING FOR YOUR HEARING AID
The hearing aid is a valuable object and should be
treated with care. Here are some things you can do to
prolong the life of your hearing aid:
CAUTION
• Turn off your hearing aid when it is not in use. Remove the
battery if the hearing aid will not be used for several days.
• When the hearing aid is not in use, keep it in its case in a cool,
dry location out of reach of children and pets.
• Do not expose the hearing aid to extreme temperatures or
high humidity. Make sure to dry the hearing aid thoroughly
after heavy perspiration such as that which may occur during
intense physical activity, e.g. playing sports.
• Avoid dropping your hearing aid – perform cleaning and
battery changes while holding the hearing aid above a soft
surface.
• Do not wear your hearing aid while in the shower or swim-
ming, or when using a hair dryer, perfume, hair and body
sprays or gels such as suntanning lotions or creams.
• In environments with high humidity, a drying kit may be used
daily to reduce the amount of moisture inside the hearing aid.
See the instructions enclosed with the drying kit.
33
WARNINGS
WARNING
Hearing aids and batteries can be dangerous if swal lowed or
used improperly. Swallowing or improper use can result in
severe injury or even fatalities. In case of ingestion, contact a
physician immediately.
• Keep hearing aids and their parts, accessories and batteries
out of reach of children and anyone else who might swallow
such items or otherwise cause injury to themselves. Do not
change batteries in front of them and do not let them see
where you keep your battery supply. Discard used batteries
carefully.
• Batteries are very small and can easily be mistaken for pills or
the like. Never put a battery or hearing aid in your mouth for
any reason as you may risk swallowing it.
34
WARNING
• Risk of explosion if battery is replaced by an incorrect type
or recharged. Dispose of used batteries according to the
instructions.
• Never allow others to wear your hearing aid, as this could
cause permanent damage to their hear ing.
• When selecting a listening program, please remember that
there are situations in which it is particularly important to
be able to hear the surrounding sounds (e.g. traffic, warning
signals).
• The hearing aid is made of modern non-allergenic materials.
Nonetheless, in rare cases skin irritation may occur. If you
notice skin irritation in or around your ear or ear canal, contact
your hearing care professional.
• Be aware that the use of any type of hearing aid may involve
a slightly increased risk of infection in the ear canal. An infec-
tion can arise as a result of inadequate ventilation of the ear.
We therefore recommend that you remove the hearing aid
and ear-set from your ear at night to allow the ear canal to be
ventilated. Make sure that you clean and inspect your hearing
aid and ear-set as required. If an infection occurs, you should
seek medical attention and contact your hearing care profes-
sional for advice on how to disinfect the various hearing aid
parts. Do not under any circumstances use alcohol, chlorine
or similar substances.
• Do not use Widex hearing aids in mines or other areas with
explosive gases.
35
WARNING
• Do not wear your hearing aid during radiation, X-rays,
MRIs, CT or other medical treatments and scans. The emis-
sions from these procedures as well as from other types of
radiation, such as that in a microwave oven, can damage your
hearing aid. Radiation from, for example, room surveillance
equipment, burglar alarms and mobile phones is weaker
and will not damage the hearing aid, but may create audible
interference.
CAUTION
• Your hearing aid has been tested for interference according
to international standards. Nevertheless, it is possible that
unforeseen interference may occur in the hearing aid due to
electromagnetic radiation from other products such as alarm
systems, room surveillance equipment and mobile phones.
• Although your hearing aid has been designed to comply with
the most stringent international electromagnetic compatibil-
ity standards, the possibility cannot be excluded that it may
cause interference with other equipment, such as medical
devices.
• Never try to open or repair the hearing aid yourself.
36
ADVICE
NOTE
• The hearing aid will not restore normal hearing and will not
prevent or improve a hearing loss resulting from organic
conditions. However, the hearing aid can help you to make
the best possible use of your remaining hearing ability. You
should also bear in mind that it can take time to get used to a
new hearing aid and new sounds.
• In most cases, using the hearing aid infrequently will not
permit you to gain full benefit from it.
• The use of a hearing aid is only part of hearing habilitation
and may need to be supplemented by auditory training and
instruction in lipreading.
• The use of hearing aids increases the risk of accumulation of
earwax. Contact your physician/ENT doctor if you suspect
that a plug of earwax has accumulated in your ear. Earwax
may not only reduce your own hearing but also the effect
of the hearing aid considerably. It is a good idea to ask your
physician to clean your ears a couple of times a year.
37
REGULATORY INFORMATION
FCC ID: TTY-DFS
IC: 5676B-DFS
Federal Communications Commission Statement
This device complies with part 15 of the FCC Rules. Operation is
subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including
interference that may cause undesired operation.
NOTE:
This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or televi-
sion reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference
by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
NOTE:
This equipment complies with FCC radiation exposure limits set
forth for an uncontrolled environment. This transmitter must not be
co-located or operating in conjunction with any other antenna or
transmitter.
38
Changes or modifications to the equipment not expressly approved
by Widex could void the user’s authority to operate the equipment.
Industry Canada Statement /
Déclaration d’industrie Canada
Under Industry Canada regulations, this radio transmitter may only
operate using an antenna of a type and maximum (or lesser) gain
approved for the transmitter by Industry Canada.
To reduce potential radio interference to other users, the antenna
type and its gain should be so chosen that the equivalent isotropi-
cally radiated power (e.i.r.p.) is not more than that necessary for
successful communication.
This device complies with Industry Canada licence-exempt RSS
standard(s). Operation is subject to the following two conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including interference
that may cause undesired operation of the device.
Conformément à la réglementation d’Industrie Canada, le présent
émetteur radio peut fonctionner avec une antenne d’un type et d’un
gain maximal (ou inférieur) approuvé pour l’émetteur par Industrie
Canada.
Dans le but de réduire les risques de brouillage radioélectrique à
l’intention des autres utilisateurs, il faut choisir le type d’antenne et
son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l’intensité nécessaire à l’établissement
d’une communication satisfaisante.
Le présent appareil est conforme aux CNR d’Industrie Canada appli-
cables aux appareils radio exempts de licence. L’exploitation est
autorisée aux deux conditions suivantes :
(1) l’appareil ne doit pas produire de brouillage, et
(2) l’utilisateur de l’appareil doit accepter tout brouillage radio-
électrique subi, même si le brouillage est susceptible d’en compro-
mettre le fonctionnement.
39
Hearing aids, accessories and batteries
should not be disposed of with normal
household waste. Please consult your
national Widex distributor for advice on
how to dispose of these items.
40
Hereby, Widex A/S declares that this D-FS is in compli-
ance with the essential requirements and other relevant
provisions of Directive 1999/5/EC.
A copy of the Declaration of Conformity can be found
at: http://www.widex.com
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9 514 0218 001 #01
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Manufacturer