BHM contact forte User manual
Instruction for Use
Digital bone conduction hearing system
Instruction for Use
2
Instruction for Use
3
Congratulations on acquiring your digital
bone conduction hearing system contact
forte – a quality product from BHM. Your
state-of-the-art hearing system is manuf-
actured in Austria in accordance with pro-
visions set by the European Medical Device
Regulation (EU) 2017/745, and is in line with
the latest audiological ndings and techno-
logical innovations. It bears the CE mark,
signalling its adherence to the latest quality
and safety requirements.
Use of the hearing aid is only permit-
ted after detailed instruction by your
hearing care professional.
The bone conductiond hearing system
is suitable for the home healthcare en-
vironment and due to their portability it
may happen that it is used in professional
healthcare facility environment like physi-
cian ofces, dental ofces etc.
Your bone conduction hearing system, which
is characterised by its high-quality signal pro-
cessing, can be worn on a number of dif-
ferent wearing options. Please be aware of
the different sizes of these when choosing
your wearing option, to make sure that you
will be comfortable wearing your device.This
Instruction for Use contains many hints and
tips on how to get the best from your new
contact forte and how to care for it properly.
Please read these carefully, and always keep
this Instruction for Use handy in order to get
the best out of your hearing system.
Intended Use:The bone conduction hearing
system contact forte has been designed
to compensate hearing loss by processing
sound and transmitting it to the inner ear.
User group(s):The hearing system is suita-
ble for people of any age with hearing loss.
Indications: For conductive hearing loss,
mixed hearing loss and single sided deaf-
ness.
Instruction for Use
4
Contraindications: Do not use in case of
irritated and injured skin or pressure marks.
Warning! Potential side effects: Possible
pressure points, irritation of the skin or
pain in case of wrong size selection of the
wearing option.
For additional, current information, please
visit www.bhm-tech.at
The contact forte is designed for a lifetime
of 5 years.
Your contact forte has been specially cho-
sen for you by your hearing care professio-
nal based on your personal hearing impair-
ment, and has been adapted to meet your
hearing needs.Your hearing care professio-
nal will provide you with comprehensive in-
struction on rst-time use, proper handling,
how to wear it, and regular maintenance.
You may of course contact your hearing
care professional to discuss any questions
or issues concerning your hearing or use
of the hearing system. Various individual
settings, such as the sounding of warning
tones or their volume is the responsibility
of your hearing care professional. Please
t these settings together.
Your contact forte uses radio techno-
logy with Bluetooth Low Energy and
operates in a frequency range of 2.4 GHz
to 2.48 GHz (not valid for contact forte “AT ”
version). Always pay attention to the envi-
ronment in which you use it. Any restricti-
ons must be observed. When ying please
check if ight operator requires devices to
be switched into ight mode, see chapter
“Wireless”.
The couplings to the contact forte
contain a magnet. Magnets generate
a far-reaching, strong magnetic field.
Among other things, they can damage tele-
visions, laptops, computer hard disks, credit
Instruction for Use
5
Before using the device, please make sure
that it is functioning correctly and in good
working condition. Never use the device
if you suspect that it is not working aw-
lessly or is in any way damaged, especial-
ly the battery compartment or the battery
compartment safety lock! Do not put your
device under any excessive mechanical
strain. If it has fallen onto the ground or is
damaged in any other way, please send it
to your hearing care professional to be che-
cked and repaired. Never pass your bone
conduction hearing system to other people
i.e. please prevent any unauthorised use.
Each hearing system is intended for use
on the left-hand side when shipped. Your
hearing care professional will adjust the
device for the right-hand side if necessary.
For a binaural system, your hearing care
professional will mark one device with a
blue sticker and one device with a red sti-
cker (Symbolic image 1).The blue marked
and debit cards, data carriers, mechanical
watches, loudspeakers, etc. Keep magnets
away from any equipment or objects that may
be damaged by strong magnetic elds.
Magnets can also affect medical devices
(pacemakers, debrillators,…) or electronic
systems and cause malfunctions.
Use the contact forte only if there are no
doubts about the safety. Manufacturers
of equipment that may be susceptible or
sensitive to magnets (such as pacemakers)
must provide reasonable safety advice.
The safety margin of coupling and magne-
tically sensitive devices (e.g. pacemaker)
must be at least 30 cm.
Please read this Instruction for Use
fully and carefully before using the
device. If you are not the person using the
hearing system, please bear in mind the
following information on behalf of the per-
son concerned.
Instruction for Use
6
device must then be worn on the left-hand
side and the red marked device on the
right-hand side.
In order to ensure that your hearing
system is safe and functional, please
only use BHM accessories which you can
obtain from your hearing care professional.
Content
Key ............................................................. 7
Technical data............................................ 8
The hearing system contact forte ......... 10
Inserting/replacing battery......................11
Switching on/off...................................... 12
Safety line................................................ 13
Key functions .......................................... 14
Programme "Automatic" .................... 16
Wearing options...................................... 16
Making phone calls................................. 22
Wireless................................................... 22
Fitting & programming .......................... 25
Troubleshooting...................................... 29
Cleaning................................................... 30
Warnings ................................................. 32
Important information............................ 33
Warranty, maintenance & repairs.......... 35
Disposal................................................... 36
Required information ............................. 36
Declaration of Conformity
for the hearing system ........................... 39
ø 3 mm Symbolic image 1
Instruction for Use
7
Key
Symbols
Follow instructions for use!
Manufacturer
CE marking and Notied Body
number
Do not dispose of in household
waste
Important information for usage and
product safety
Warning! Pay attention to the war-
nings notices in these instruction
for use
-20°C
+60°C Temperature during transport and
storage
10%
95% Humidity during transport and sto-
rage
Protect from moisture
Symbols
The Bluetooth®word mark and logos
are registered trademarks owned by
Bluetooth SIG, Inc. and any use of
such marks by BHM-Tech Produktions-
gesellschaft m.b.H. is under license.
Other trademarks and trade names are
those of their respective owners.
Japanese Radio Law and Japanese
Telecommunications Business Law
Compliance
Equipment includes radio transmitter
RCM - Regulatory compliance mark for
ACMA (Australian Communications
and Media Authority)
Type B Applied part
Serial number
Medical Device
Article Number
Unique device identier
Due to the limited size available on the device, relevant approval markings are found in this document.
Instruction for Use
8
Technical data
Dimension / Environment
Weight, incl. battery
< 15 g
Dimensions Height: < 15 mm; Length: < 35 mm; Width: < 22
mm
Operating temperature range +5° C to +40° C
Operating Rel. Humidity / atm. pressure 10 - 90% / 700 - 1060 hPa
According to DIN IEC 60118-9:2019 Measured on Articial
Mastoid with Headband adapter
Measured on Skull
Simulator
Frequency Range 300 Hz – >8000 Hz 350 Hz – >8000 Hz
Max. Output Vibratory Force Level
(@ 90 dB SPL, FOG) 119 dB rel. 1 µN 127 dB rel. 1 µN
Max. Acousto-Mechanical Sensitivity
Level (@ 50 dB SPL, FOG) 43 dB rel. 1 µN / 20 µPa 49 dB rel. 1 µN / 20 µPa
Instruction for Use
9
Battery
Battery size 13 (PR 48, Zinc–Air)
Battery current 1.6 mA (@ 65 dB SPL Input, 1 kHz)
Battery rating up to 13 mA
Instruction for Use
10
6
7
3
2
1
The hearing system contact forte
5
4
1Microphones
2Control buttons
(programme and volume)
3Coupling for wearing options
4
Battery compartment
5Battery compartment safety lock
6
Programming socket (under the cover)
7
Attachment for the safety line
Symbolic image 2
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2
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