BHM-Tech contact mini Installation instructions

Gebrauchsanweisung / User Instruction
Digitales Knochenleitungshörsystem
Digital bone conduction hearing system
qBinaural
qMonaural

19
User Instruction
instruction on first-time use, proper handling
and regular maintenance measures.
Content
Hearing system components ...................21
Operation .............................................22
Sound Dynamix (BHM Automatic )............24
Adjustment – programming the contact mini...30
If your hearing system doesn't work.........31
Instructions for cleaning your hearing system...32
Important information ............................32
Service & Repair ...................................34
Many thanks for choosing a quality product
from BHM-Tech. The digital bone conduction
hearing system contact mini is manufactured
in Austria in accordance with provisions set
by the European Medical Device Directive
93/42/EWG, and is in line with the latest
audiological findings and technical innova-
tions. It bears the CE mark, signalling its
adherence to the latest quality and safety
requirements.
By complying with the points outlined in this
User Instruction, the contact mini is sure to
be a reliable partner for many years to come.
Your bone conduction hearing system
contact mini has been designed to compen-
sate for hearing loss. It has been specially
adapted to meet the needs of individual hea-
ring loss by a qualified hearing aid acousti-
cian/doctor. Your hearing aid acoustician /
doctor will provide you with comprehensive

20
User Instruction
Description
The monaural bone conduction hearing
system contact mini consists of one electronic
part and one bone conduction receiver.
The binaural bone conduction hearing
system contact mini consists of two electronic
parts and two bone conduction receiver.
Registered design
No.: AT 010 553 U1
PLEASE READ THIS USER INSTRUCTION
CAREFULLY BEFORE USING YOUR DEVICE.
IF YOU WILL NOT BE WEARING THE HEARING
SYSTEM YOURSELF, PLEASE TAKE NOTE OF
THE FOLLOWING INFORMATION AS RELATES
TO THE PERSON WHO WILL.
Please check that the device functions safely
and is in proper condition before use. The
device must under no circumstances be
used if there is any suspicion that it does not
work flawlessly or is damaged.
Do not place any excessive mechanical
strain on your device. Should it be dropped
on the ground or otherwise damaged, please
send it to your hearing aid acoustician/doc-
tor for checking and repair.
Never give your bone conduction hearing
system to others i.e. please prevent un-
authorised use.

21
User Instruction
1Bone conduction receiver
2Battery compartment
3Battery size 13
4Child lock
5Microphone port
6Volume control
7Programming socket –
below socket cover
8Safety cap
6
3
2
1
Hearing system
components 5
4
7
8
Technical Data according to DIN IEC 118-9
max. acoust.-mech. Sensitivity (dB) 51
max. Output-Force Level (dBOFL) 114
current consumption (mA) 1.06 +-10%
@1.35V
battery size 13
battery life (@ 290mAh battery
capacity)
approx. 270h

22
User Instruction
2. Opening the battery compartment
and inserting the battery
To open the battery compartment in order to
insert or change the battery, press the red
child-safety button with the reverse end of
screwdriver no. 1.
Operating your contact mini
hearing system
Note: Your doctor or hearing aid acoustician
will decide which wearing system is the most
suitable for your contact mini.
Your doctor or hearing aid acoustician will
provide you with full instructions on how to
use your contact mini and accessories.
IN ORDER TO GUARANTEE THE SAFETY AND
FUNCTIONALITY OF THE HEARING SYSTEM,
ONLY ACCESSORIES FROM BHM-TECH MUST
BE USED.
1. Cable connection
Insert the polarised plug of the cable into the
electronic component and the other polari-
sed plug into the bone conduction receiver.

23
User Instruction
The contact mini hearing system has no ON/
OFF switch. The device is switched off by
opening the battery compartment. We re-
commend storing your device in a safe place
after daily use, with the battery compartment
open. Opening the battery compartment also
enables you to dry residual moisture.
Note: Before inserting the battery, it is
imperative to wait for 15 seconds after
removing any adhesive tape on the battery.
Battery
Always use good-quality size 13 batteries.
Your doctor or hearing aid acoustician will be
pleased to advise you in this regard.
If the device is not used for an extended period,
please open the battery compartment, remove
the battery and store the device carefully in
the box supplied. Please keep it in a safe
place out of reach of unauthorised persons.
Please make sure that the battery is inserted
correctly i.e. the terminals are correctly ali-
gned. (Please note the + and - markings on
the battery.) Close the battery compartment
carefully with your fingers until the child lock
is activated.

24
User Instruction
Switching to telecoil – Optional
(only for contact mini with telecoil)
In order to switch the device, set the M-T
switch to the "T" position. The telecoil en-
ables you to receive inductive signals (e.g.
from the telephone or induction loop). This
enables you, for example, to hear the person
on the other end of the line more clearly, as
the microphone is switched off and disruptive
background noises are therefore prevented.
Please note that you must use a phone that
is suitable for a hearing device in order to
make optimum use of the telecoil. The tele-
coil can also be used in public buildings that
have an induction loop, for example in
schools, theatres, concert halls or cinemas.
Battery warning tone
Contact mini is equipped with a battery
warning tone. When the battery is weak,
amplification will automatically be reduced.
When the warning tone sounds, the battery
must be changed immediately.
Sound Dynamix (BHM Automatic )
In Automatic mode, the signal received by the
microphone is analysed and categorised into
different hearing situations.
These are:
• Quiet environments
• Speech in quiet environments
• Speech in background noise
• Music and movie
• Background noises
• Wind noises
The parameters of the hearing system are
always configured according to this categorisati-
on such that an optimal level of hearing comfort
and optimal speech comprehension are attained.

25
User Instruction
acoustician.
Select the most
comfortable
volume for you by
rotating the volume
control. The volume
will become louder by
turning it clockwise, or
quieter by turning it anti-
clockwise.
Please note:
Please make absolutely sure that your
contact mini wearing system is positioned
correctly on the head and that the conductor
plate of the bone conduction receiver rests
against the head. Please make sure that the
conductor plate is touching the skin.
• Hair between the conductor plate and the
skin may reduce transmission considerably.
• Poor contact with the skin and a high
volume may cause feedback.
Set the M-T switch to "T" to hear directly,
without the interference of the microphone
and disruptive noises.
It is also possible to select a combined mi-
crophone/telecoil mode using the fitting
software. This mode enables you to receive
inductive signals whilst also hearing your
environment better as the microphone is
switched on. The device is supplied with the
combined mode M/T.
3. Setting the volume
Adjust the volume of the contact mini by
turning the blade of screwdriver no. 1 on
the volume control (electronic component).
Please consult your doctor or hearing aid
acoustician about the ideal volume for you.
Please ensure that you are properly informed
by your doctor or hearing aid acoustician as
regards setting the volume, and do not ad-
just the volume of your contact mini without
the agreement of your doctor or hearing aid

26
User Instruction
Assembling/disassembling components
1. Electronic
2.Bone conduction receiver
4. Attaching the contact mini
to the wearing system
Both the electronic component and the bone
conduction receiver are fitted with push
buttons, which facilitate attachment to the
selected wearing system, for example a head
band or head frame.
CAUTION: In particular for infants, please
ensure that the wearing system is repositi-
oned at regular intervals due to the infant's
soft cranial bones. Your doctor or hearing aid
acoustician will provide instructions.

27
User Instruction
When using a hair band, the push button
on the bone conduction receiver loses its
function and is covered by the safety cap
supplied upon delivery (8).
Always make sure that the electronic component
is mounted away from the head at the front; and
that the bone conduction receiver is mounted to-
wards the head at the back. Improper assembly
may cause the contact mini to malfunction.
Attaching the electronic component and the
bone conduction receiver to a hair band or
head band

28
User Instruction
Bending the hair band
In order to ensure an optimum fit when using
the hair band, we recommend bending the
hair band as required. Please follow the
instructions step by step, as shown in the
diagrams.
Warning: Risk of scalding – please keep
children away from this process!
1)First remove the electronic component, bone
conduction receiver and cable from the hair
band. Then dip the hair band into a suitable
container filled with hot water for approx.
4 minutes, as shown in Figure 1.
(80 degrees Celsius). Please make sure
that the rubber mounting for the cable
does not come into contact with the water.
2)Bend the hair band according to your
requirements i.e. to fit the required head
shape.
Fig. 2
max
Fig. 1 80°C
4 min.

29
User Instruction
and moisture should occasionally be wiped
away with a damp cloth, and then wiped down
with a dry cloth.
Cleaning your head band
Please make sure that the electronic com-
ponent, bone conduction receiver and cable
have been removed before cleaning the head
band. For more precise cleaning instructions,
please refer to the information on the head
band label.
3)Hold the hair band in the desired shape and
dip it in cold water for approx. 4 minutes.
4)Now reattach the electronic component,
bone conduction receiver and cable to the
hair band.
Cleaning your hair band
Please make sure that the electronic compo-
nent and bone conduction receiver have been
removed before cleaning the hair band. Sweat
Cold
4 min.
Fig. 3

30
User Instruction
5. Before programming:
removing the casing cover
Open the battery compartment, as described
in Point 2. open the cover lock using screw-
driver blade no. 1 and then carefully lift up
the cover. The programming socket will now
be visible. Insert the programming cable plug
into the socket.
Note: Please ensure that the red marking on
the programming cable plug is on the same
Adjustment – programming
your contact mini
(Only for your doctor or hearing aid acoustician)
IMPORTANT INFORMATION:
The contact mini hearing system is available
as a binaural or monaural hearing system.
Your doctor or hearing aid acoustician will
decide which device is worn on the left
and which is worn on the right during the
programming process. In order to label the
device clearly and to attach it to the wearing
system, please assemble the colour rings
supplied onto the electronic casing push
button as follows:
Blue/red ring:
Left/right device as the patient sees.
Note: The colour rings must be attached, as
these also serve to dampen vibration.

31
User Instruction
Recommendation: If you wish to switch off the
volume control function, you can do so by
deactivating it using the fitting software.
If your hearing system
doesn't work
• Please note that your hearing system will
automatically switch off when the battery
is low.
• Please check that your hearing system is
connected by cable and that the battery
compartment has a battery inside and is
closed properly.
• Does the battery have enough power and
has it been inserted correctly? Please
make sure that you always carry replace-
ment batteries with you. Use a new battery
from the packaging.
• Has the volume control been adjusted cor-
rectly? Make sure that the bone conduction
side as the yellow marking on the programming
socket. There will be no connection otherwise!
6. Fitting software
In order to guarantee flawless function, please
only use the BHM-Tech software released for
this product. If you have any doubts or queries,
please contact your supplier or BHM-Tech.
7. After programming
Remove the programming cable and assem-
ble the cover as described.
• Slide the cover carefully into the casing.
• Carefully press the cover back into the
casing.

32
User Instruction
too. Remove any sweat and moisture from
your hearing device. It is also necessary to
remove the battery from your hearing device
every evening after cleaning, and to store
it overnight with the battery compartment
open in order for any moisture to evaporate.
Please remove your hearing device before
showering, bathing or visiting a sauna and
before using body care products, hairspray
or cosmetic powder, as these kinds of de-
posits contaminate your hearing device and
may impair or damage its function.
Important information
The basic settings of your hearing system are
put in place by authorised experts according
to the particular hearing loss at hand. The user
must therefore only use the easily accessible
operator elements intended for him or her, as
per instructions.
receiver is correctly positioned on your head.
• Background noise und noise signals may not
necessarily indicate a fault or error in the
hearing system – this may be interference
from mobile phones or other electronic
devices in your vicinity.
• If your hearing system still does not work
after checking all the above points, please
take your device to your doctor or hearing
aid acoustician with a concise description
of the error.
Instructions for cleaning your
hearing system
In order to ensure the guarantee and war-
ranty of your hearing system, we suggest
cleaning your hearing system thoroughly and
properly at least once a day. Wipe your hea-
ring device with a clean, dry cloth and make
sure that your fingers are clean and dry

33
User Instruction
may loosen the smallest components of
the hearing system.
• Never expose your hearing system to
extreme solar irradiation (for example on
your car windshield), extreme heat (do not
place on heating devices) or extreme cold
(overnight in a cold car) and avoid contact
with chemicals or harsh detergents.
• Please always be aware that hearing
systems will no longer function properly
if, for example, battery power is running
out. This poses a particular danger in
traffic or when you are in any other way
dependent on warning signals.
• Switch your hearing system off in mines
or in places areas exposed to explosion
hazards, unless it has been specially
approved for this purpose.
• Never replace your hearing system's batteries
when you are with infants and children.
• Keep batteries and hearing system compo-
nents out of reach of infants and children.
WARNING! Improper use of your hearing system
and batteries may endanger your health. Please
read the following points with great care.
• Keep other people including children away
from your contact mini hearing system and
its parts.
• Adjust the volume according to individual
requirements and upon instruction by your
doctor or hearing aid acoustician.
• This hearing system is able to emit signals
at a very high volume. In order to prevent
possible hearing damage, the hearing
system must be adapted by a qualified
hearing aid acoustician.
• Never try to charge disposable batteries in
the charger!
• Swallowing batteries endangers health and
can cause serious injury and even death.
Therefore: Never store batteries alongside
medication. Please seek immediate medical
attention in the event of swallowing a battery.
• Improper handling of the hearing system

34
User Instruction
a specialist. Do not try to open the device
yourself. Improper handling will result in the
guarantee becoming void. If your hearing
system is defective, please consult your
hearing aid acoustician. Regular maintenance
and checking with your hearing aid
acoustician can prevent repairs.
• In the case of interference fields with
electro-magnetic interference such as
transmitters, the hearing quality of your
hearing system may be impaired.
Service & Repair
If your hearing system does not work, it must
be repaired by a qualified service technician.
Do not try to open the hearing system
casing, as this will void the guarantee and
warranty for the hearing system. Please
contact your hearing aid acoustician/doctor
if your hearing system needs repair.
• Sweat and moisture should be removed
from your hearing system from time to
time (wipe with a dry cloth). Please remove
your hearing system before showering,
washing your hair, stepping into a sauna or
steam bath.
• Consult a doctor if skin irritation occurs.
Further important information!
• Your hearing system plus accessories and
batteries is a modern technology product
that must be responsibly disposed of within
the scope of environmental protection. As
such, please take these items to a special
disposal site. Your hearing aid adviser will
be happy to help you in this.
• For particularly hygienic and mild cleaning,
we recommend special products available
from specialist stores. Under no circum-
stances use petrol or similar chemical
cleaning products.
• A faulty hearing system must be repaired by

Version 1.9 - 07/2016 Design: Rabold und Co. / Photo: Erwin Muik
Änderungen des Inhaltes im Sinne einer technischen Verbesserung vorbehalten.
Content may be changed without notice in order to improve product performance.
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BHM-Tech Produktionsgesellschaft mbH
Grafenschachen 242
7423 Grafenschachen, Austria
www.bhm-tech.at
nach EU-Richtlinie 93/42/EWG
Qualitätsmanagementsystem nach DIN EN ISO 134850297
According to EU directive 93/42/EEC
Quality management system according to DIN EN ISO 134850297