BHM AN-Evo1 Installation instructions

Digitales Knochenleitungshörsystem
Digital bone conduction hearing system
Gebrauchsanweisung/User Instruction

11
User Instruction
Your BHM-TECH hearing spectacles are a de-
vice which was developed and manufactured
according to the latest audiological knowledge
and state-of-the-art technical innovations. If
you follow the User Instruction in all below-
mentioned items, your hearing spectacles will
be a reliable partner for many years.
Intended Use: Bone-conduction hearing sys-
tems are designed in such a way as to com-
pensate hearing impairment by processing
and amplifying the sound as well as trans-
ferring it to the inner ear.
Users: The hearing system is intended to be
used by adults and children.
Indications: For mild to moderate hearing loss.
Contraindications: Irritated skin or pressure
marks possible.
IMPORTANT!
Your hearing spectacles were especially adapt-
ed by a qualified hearing aid expert to compen-
sate your individual hearing loss. Your hearing
aid expert will also inform you about the correct
use and operation of the hearing spectacles.
Your hearing aid expert will also supply you with
information on regular maintenance measures.
Never pass on your hearing spectacles to an-
other person and/or prevent unauthorized use.
Content
Parts of the Hearing Device ....................12
Insertion of Battery................................13
Switching On and Off.............................13
Volume ................................................14
Troubleshooting.....................................15
Instructions for cleaning your hearing system..15
Important Notes ....................................16
Service & Repair ...................................18

12
User Instruction





Volume control
O-T-M switch
 Battery
Battery compartment
Bone conduction receiver
Parts of the Hearing Device
Technical data according to DIN IEC 118-9
Max. acoustic-mechan. Sensitivity level / dB 48
Max. output force level / dB OFL 117
Current consumption in mA 1.2 at 1.35 V
Source of current / battery type 675
Average duration of performance / h
zinc/air 675 (capacity 610 mAh) 475
Symbol figure

13
User Instruction
Insertion of Battery
Open battery compartment with finger
nail. Take care to insert the battery the cor-
rect way around (observe the +-mark).
Close the battery compartment with your
finger until it clicks fully shut.
Attention:
After removal of possible adhesive tape on
the battery, please wait for 15 seconds un-
der all circumstances before you insert the
battery!
Battery Size:
High quality 675 size or equivalent. Please
remove the battery if the instrument is not
used for long periods.
Note:
Please change battery if there is a 3-times
signal tone.
Switching On and Off
Switching On:
For switching on device put O-T-M switch 
in position “M”(= microphone). By means of
the microphone acoustic signals are received,
amplified in the device and transmitted to
the ear via the receiver.
Switching over to telephone coil:
In order to switch over the device put O-T-M
switch into position “T”. The telephone
coil makes it possible to have a conversation
better, it switches off the microphone, this
enables you to hear more directly! Please
note that your telephone must be designed
for telecoil use.
The telecoil can also be used in public build-
ings that have been fitted with an induction
loop, please enquire at the facility if they
have this installed. Put your O-T-M switch in
position “T” and hear directly, without

14
User Instruction
additional operation of the microphone and
without disturbing noises.
Switching Off:
For switching off the device, put O-T-M
switch in position “0”.
Volume
Select the most pleasant volume by means
of the volume control . The level will be
“louder“, when you move the volume control
forward and “softer“, when you move the
volume control backward.
Please note:
Switch off device by turning the O-T-M
switch , put on your glasses again, select
volume level “soft” and switch on device
again.
Important points before switching On:
Before switching on the hearing spectacles,
select volume level “soft”. Select pleasant
volume level only after switching on and
checking volume of device! Special care
must be taken to ensure that the bone con-
duction receiver surface is firmly seated
against the mastoid bone. Partial or weak
contact will cause feed back (whistling).
Recommendation:
To have the best usefulness of your bone con-
ducted spectacles, please fit the sound inten-
sity with volume control to your environment.

15
User Instruction
Troubleshooting
If your hearing device does not work:
• Please bear in mind that your hearing device
automatically switches off in case of low
battery output!
• Check whether the hearing device is
switched on and the battery compartment
is completely closed.
• Does your battery still supply enough power
and is it correctly inserted? (Always take a
spare battery with you!) – Try a new battery
from a new pack.
• Check whether the O-T-M switch is in the
correct position.
• Is the volume control selected properly? –
If the device whistles, please check
whether the hearing spectacles fit properly
against the head.
• If you hear buzzing or whistling noises in
your device, this may not necessarily be
the fault of your hearing device. It may be
caused by interference from a mobile
phone or another electronic instrument.
• If you have tried everything and the hearing
device still does not function properly,
please take it to your hearing aid expert
including a short description of failure.
Instructions for cleaning your
hearing system
In order to ensure the warranty and guarantee
of your hearing system, please note that your
hearing system must be cleaned thoroughly
and properly at least once a day.
Wipe your hearing device with a clean, dry
cloth: please make sure that your fingers are
also clean and dry. This enables you to remove
sweat and moisture from your hearing device.
Furthermore, it is necessary to remove the
batteries from your hearing system at night

16
User Instruction
after cleaning. Store overnight with the
battery compartment open so that any
moisture in the device can evaporate.
Remove your hearing device before
showering, bathing or using the sauna,
and before you put on body care products,
hairspray or make-up powder.
Such deposits can also soil the hearing
device, thus impairing or damaging the
flawless functioning of your hearing system.
Important Notes
The basic adjustment of the hearing specta-
cles is carried out by an authorized hearing
aid expert according to the hearing loss of
the patient. The end user is kindly requested
only to operate those controls designed for
his or her easily accessible use according to
instructions.
WARNING!
Incorrect use of your hearing instrument and
batteries may be hazardous to your health.
Please read the following points carefully.
• Keep hearing spectacles, which you have
taken off, out of reach of other persons
or children!
• Before using your hearing spectacles, turn
volume to “soft“. Select most pleasant
volume only after having made a listening
check of your hearing device.
• These hearing spectacles are able to
transmit signals of very high volume. In
order to avoid possible damage to the ear,
the fitting of the device must be carried
out by an authorized hearing aid expert.
• Never try to recharge a disposable battery!
• Swallowing of batteries may be hazardous
to your health and may cause severe injuries
and even death! For this reason: Never store
batteries together with medicine!

17
User Instruction
Immediately consult a doctor, if a battery
has been swallowed!
• Incorrect manipulation or rough handling of
the hearing spectacles may cause detach-
ment of small components of the hearing
spectacles. If such a small component gets
into your ear, immediately consult a doctor.
• Never expose your hearing spectacles to
extremely hot sun (e.g. behind the winds-
hield of a car), to direct heat (do not put it
on a radiator) or severe cold (over night in
a cold car) and avoid contact with
chemicals and strong detergents.
• Always bear in mind that hearing devices
do not properly function, if e.g. the battery
is low. This is especially hazardous, if you
move in traffic or are otherwise dependent
on warning signals.
• Switch off your hearing instrument in mines
or other areas where explosions could take
place, unless your hearing device is
especially certified for such use.
• Never change batteries of the hearing
spectacles in the presence of babies and
small children.
• Store batteries out of reach of babies and
small children.
• Consult a doctor in case of skin irritations
of the ear or head.
Further important points:
• Your hearing spectacles and the spare parts
belong to the group of products of modern
technology which have to be especially
disposed of according to environmental
protection. Please take care that you dispose
of your hearing device and accessories at a
hazardous waste disposal site under all
circumstances. Your hearing aid expert will
be glad to assist you in this matter.
• For extra hygienic and skin-protective
cleaning we recommend special cleaning
agents available at the relevant shops.
Never use benzine or other similar

18
User Instruction
chemical detergents.
• It is imperative that defective hearing
spectacles must be repaired by an expert.
Never try to open the hearing device
yourself. Improper manipulation will cause
any guarantee to become null and void.
If your hearing spectacles are defective,
please consult your hearing aid expert.
Regular maintenance and check-ups by
your hearing aid expert may prevent the
need for repairs.
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. Please contact your hearing aid
acoustician/doctor if your hearing system
needs repair.

Version 1.4 - 08/2017 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 guidelines 93/42/EEC
Quality management system according to DIN EN ISO 13485