GN Hearing C-3 User manual

User guide
Desktop Charger

Table of Contents
Introduction 3
Intended purpose 4
Symbols 5
Getting to know your charger 7
Getting started 9
Cleaning and maintenance 12
General warnings 13
General precautions — Wireless hearing aid chargers 15
Warnings to hearing care professionals 16
Technical specifications 17
Troubleshooting 18
Warranties and repairs 20
Temperature test, transport, and storage information 21
Statement 22
Acknowledgements 25
2

Introduction
Thank you for choosing our products and congratulations on the purchase
of your new rechargeable hearing aids and charger. Our innovative
recharging technology gives you expanded freedom and flexibility.
To benefit fully from your new charger, please read this manual carefully.
With proper care, maintenance and usage, your hearing aids and charger
will give you years of improved hearing and communication.
This user’s guide contains instructions on how to use your charger. For
information on using your hearing aids, consult the hearing aid user
guide.
Introduction 3

Intended purpose
The hearing aid charger is intended to charge rechargeable hearing aids.
The charger is intended to be used only with our rechargeable hearing
aids.
The hearing aid charger is intended for use by lay persons.
No known contraindications.
4Intended purpose

Symbols
WARNING: Points out a situation that could lead to
serious injuries.
CAUTION: Indicates a situation that could lead to minor
and moderate injuries.
NOTE:Advice and tips on how to handle your charger.
Follow instructions for use.
Legal manufacturer.
Date of manufacture.
Complies with ACMA requirements.
Complies with IMDA requirements.
Symbols 5

MD
Medical device.
UDI
Unique Device Identification.
Please ask your local hearing care professional about the
disposal of your charger.
NOTE: Country-specific regulations may apply.
6Symbols

Getting to know your charger
Hearing aid
charging bay
Hearing aid
charging bay
L = Left
(Blue) R = Right
(Red)
Getting to know your charger 7

Back view of charger
Charging cable port
Charging cable
Power ON -
LED light
8Getting to know your charger

Getting started
Placing your hearing aids in the charger
Fully charge your hearing aids before using them.
CAUTION:
•Before putting your hearing aids into the charger, ensure that
they are dry.
1. Plug the supplied power adapter into
a power outlet and connect the
charging cable to the hearing aid
charger.
Getting started 9

2. Place your hearing aids into the
charging bays as shown to the right.
Place the left hearing aid into the
charging bay marked "L" (left). Place
the right hearing aid into the charging
bay marked "R" (right).
The LED will light up, indicating that
charging has been initiated.
NOTE: Make sure that your hearing aids are fully inserted into the
charger.
WARNING:
•Keep your charger and rechargeable hearing aids away from
pets, children, and people with cognitive, intellectual, or mental
health challenges.
10 Getting started

•Avoid charging your product in extremely high or low
temperatures.
•Do not use the charger outdoors or in damp areas.
•For safety reasons, use only the charger provided with your
hearing aid.
Charging your hearing aids
While your hearing aids are charging, the on/off light on your hearing aid
will blink slowly. When fully charged, the light remains on (not blinking)
until your hearing aid is removed from the charger.
When charging
– blinking.
When fully charged
– on, until removed.
Getting started 11

Cleaning and maintenance
Cleaning your hearing aid charger
1. Clean the outside of the charger using a dry, clean cloth.
2. Clean the charging bays using a clean cotton swab.
WARNING: Do not use liquid to clean your hearing aid charger.
Care and maintenance
NOTE: To have the best user experience, and to prolong the life of
your charger, follow these steps:
•Keep your hearing aid charger dry and clean.
•To remove grease and moisture, wipe the hearing aid charger
with a dry, soft cloth after use.
12 Cleaning and maintenance

General warnings
WARNING:
•Keep your rechargeable hearing aid away from pets, children,
and people with cognitive, intellectual, or mental health
challenges.
•Keep your hearing aid charger away from excessive heat like
ovens or microwave ovens and direct sunlight. The heat may
deform the casing, damage the electronics and deteriorate the
surfaces.
•Never use your hearing aid charger in places with explosive
gases such as mines, oil fields, or the like unless these areas
are certified for hearing aid use. Using your hearing aid charger
in places that are not certified can be dangerous.
•Avoid exposing your product to rain, moisture, or other liquids,
to protect against damage to the product or injury to you.
•When you disconnect the power cord or any enhancement,
grasp and pull the plug, not the cord.
General warnings 13

•Never use a damaged charger. A damaged or incorrectly
reassembled charger can cause electric shock or fire when the
product is subsequently used.
•Do not attempt to disassemble the charger as it may expose
you to dangerous electric shock and cause the termination of
the warranty.
14 General warnings

General precautions — Wireless
hearing aid chargers
CAUTION:
•When wireless function is activated, the device uses low-
powered digitally coded transmissions in order to communicate
with other wireless devices. Although unlikely, nearby
electronic devices may be affected. In that case, move the
hearing aid charger away from the affected electronic device.
•For safety reasons, use only the charger supplied by the
manufacturer.
General precautions — Wireless hearing aid chargers 15

Warnings to hearing care
professionals
WARNING:
•External devices connected to the electrical input must be safe
according to the requirements of IEC 60601-1, IEC 60065 or
equivalent, as appropriate.
16 Warnings to hearing care professionals

Technical specifications
Desktop Charger
Dimensions 82mm x 36.0mm x 46mm/3.2 x 1.4x
1.8"
Weight 82grams/2.9oz
Charging time for hearing aid < 40°C (104°F): 3 hours, depending
on initial state of the battery
Wireless frequency between
hearing aid and charger 2.4 GHz and 333 kHz
Technical specifications 17

Troubleshooting
Symptom Possible cause Possible remedy
Hearing aid is
not charging
Is the hearing aid
correctly inserted in the
charger?
Put the hearing aid back in
the charger.
Is the charger plugged
into a working power
outlet?
Plug in to a power outlet.
Charger FAQ
How do I prepare my new
charger for use?
Normally, no preparation is required.
Just plug it in as described in the section
Getting Started. When required, charge
the hearing aids in the charger and check
the battery lights on the hearing aids:
Blinking while charging; fixed light when
fully charged. You can also see the
battery level on the smartphone app.
Can I damage my charger by
using it incorrectly?
No. The only exceptions would be use of
excessive physical force or extreme
18 Troubleshooting

Charger FAQ
temperatures.
Must I remove the hearing
aids from the charger once
they are fully charged?
No. For example, you can leave your
hearing aids in the charger overnight.
Must I use up all the battery
power before charging
again?
No. Regular charging such as charging
overnight is considered normal use.
Must I charge the hearing
aids fully before use?
Only the first time. A partial charge is fine
and will not harm the hearing aids or the
battery, but a full charge will provide the
longest usage without needing to
recharge.
Can I charge the hearing
aids at low temperatures?
If the temperature is below +5°C
(+41°F), it will not charge. Charging must
take place between +5°C (+41°F) and
+40°C (104°F).
Can I charge the hearing
aids at high temperatures?
The operating temperature range for the
charger and the hearing aids is +5°C
(+41°F) - +40°C (104°F).
Troubleshooting 19

Warranties and repairs
The manufacturer provides a warranty on hearing aid chargers in the
event of defects in workmanship or materials, as described in the
applicable warranty documentation. In its service policy, the manufacturer
pledges to secure functionality at least equivalent to the original hearing
aid charger. As a signatory to the United Nations Global Compact
initiative, the manufacturer is committed to doing this in line with
environment-friendly best practices. Hearing aid chargers, therefore, at
the manufacturer's discretion, may be replaced by new products or
products manufactured from new or serviceable used parts, or repaired
using new or refurbished replacement parts. The warranty period of
hearing aid chargers is designated on your warranty card, which is
provided by your hearing care professional.
For hearing aid chargers that require service, please contact your hearing
care professional for assistance. Hearing aid chargers that malfunction
must be repaired by a qualified technician. Do not attempt to open the
casing of the hearing aid charger as this will invalidate the warranty.
Expected service lifetime
The expected service life time for the device is a minimum of 5years.
20 Warranties and repairs