Rexton M-Core SR User manual

2
Content
Introduction 3
Before and after 󰄈tting 4
Assembling 4
Activating 4
Charging 5
Connecting 5
Noting the serial number 5
Troubleshooting 6
Exchanging the receiver wax guard 6
Important safety information 7
General warnings 7
Defective power cells 8
Further information 9
Storage periods 9
Symbols used in this document 9

3
Introduction
This guide is intended for Hearing Care Professionals.
It provides important information on hearing in󰘵ruments
with permanently built‑in power cells (lithium‑ion
batteries).
CAUTION
It is important to read this guide, the user guide and
the safety manual thoroughly. Follow the safety
information to avoid damage or injury.

4
Before and after 󰘰tting
You have to prepare the hearing in󰘵ruments before you
can 󰘵art 󰘰tting.
Assembling
XA power cell is in󰘵alled in
every hearing in󰘵rument on
delivery. There is no need to
insert a battery.
XAttach a suitable ear piece to
the suitable receiver unit.
XAttach the receiver unit to the
hearing in󰘵rument by clicking it in place.
XPush the receiver locking bar into the housing.
Activating
Before 󰘰r󰘵 use or 󰘰r󰘵 󰘰tting you have to activate the
hearing in󰘵ruments. Place the hearing in󰘵ruments in
the charger (if they are not already inserted) and press
the charger's button until the LEDs for the hearing
in󰘵ruments light up green.
Note:
■ Hearing in󰘵ruments that are activated and not used
may discharge fa󰘵er than hearing in󰘵ruments that
have not been activated. Only activate the hearing
in󰘵ruments before 󰘰r󰘵 use or 󰘰r󰘵 󰘰tting.

5
Charging
Charge the hearing in󰘵ruments for at lea󰘵 15 minutes
before a 󰘰r󰘵 󰘰tting session.
Fully charge the hearing in󰘵ruments before delivery
to the client. A full charging cycle takes approximately
4 hours.
Follow the operating conditions in both the hearing
in󰘵rument's and the charger's user guide.
Connecting
Use Noahlink Wireless to 󰘰t the hearing in󰘵ruments
wirelessly.
Noting the serial number
The serial number is printed on
the housing.

6
Troubleshooting
Before sending a hearing in󰘵rument to our service
address, perform a visual check to see if the receiver is
blocked by cerumen. If this is the case, exchange the
receiver wax guard.
Exchanging the receiver wax guard
XRemove the ear piece.
XScrew the threaded end of the
wax guard changing tool into
the 󰘰lter of the external receiver.
XRemove the used 󰘰lter.
XFlip the tool over and push the
new wax guard into place.
XRelease the 󰘰lter by tilting the
changing tool to the side. Then
dispose of the changing tool.

7
Important safety information
This section contains important safety information
regarding the power cell. For more safety information,
refer to the safety manual and the user guide supplied
with the hearing in󰘵ruments.
NOTICE
XDo not exchange power cells. This may only be
performed by Service Center only.
General warnings
WARNING
A power cell (lithium‑ion rechargeable battery)
is permanently built into the hearing in󰘵rument.
Incorrect use of the power cell or the hearing
in󰘵rument can cause the power cell to bur󰘵.
Risk of injury, 󰘰re or explosion!
XFollow the safety in󰘵ructions for power cells in
this section.

8
Defective power cells
In case you think the power cell is defective comply with
the following 󰘵eps:
XPlace the hearing in󰘵rument into the charger. If you
get a red LED then the power cell is defective.
XPerform visual inspection of the hearing in󰘵rument.
The te󰘵 is considered failed if it has any of below
criteria:
■ There is physical sign of deformation caused by
bloated lithium power cell inside.
■ There is visible leakage from the lithium power cell.
■ Product is generating heat on its own or hot to the
touch.
If any of the te󰘵 󰘵eps failed, consider the power cell
defective. Due to safety concerns the hearing in󰘵rument
cannot be shipped anymore. Please record the serial
number of the hearing in󰘵rument, take a photo of the
damages, and consult with Sivantos Cu󰘵omer Service
team before disposal of the product according to local
regulations.

9
Further information
Storage periods
Unused hearing in󰘵ruments lose their charge. Observe
the following 󰘵orage periods to avoid deep-discharge:
■ Hearing in󰘵ruments that have not been activated or
used can be 󰘵ored up to 12 months after production
date. The production date is printed on the hearing
in󰘵rument's label on the packaging.
■ Once a hearing in󰘵rument is activated, in order for it
to remain in good condition it needs to be charged at
lea󰘵 every 6 months.
Symbols used in this document
Points out a situation that could lead to serious,
moderate, or minor injuries.
Indicates possible property damage.
Advice and tips on how to handle your device
better.

10
"Made for iPhone", "Made for iPad",
and "Made for iPod" mean that an electronic accessory
has been designed to connect speci󰘰cally to iPhone,
iPad, or iPod, respectively, and has been certi󰘰ed by the
developer to meet Apple performance 󰘵andards. Apple
is not responsible for the operation of this device or its
compliance with safety and regulatory 󰘵andards. Please
note that the use of this accessory with iPhone, iPad, or
iPod may a󰘯ect wireless performance.

11
Risk mitigations (for internal use only)
Defective power cells................................................................8
MI301 | Follow safety in󰘵ructions for Li-ion .............................7
Not exchange power cells ........................................................7

Document No. 04229-99T##-#### ##
Order/Item No. ### ### ##
Master Rev01, 05.2020
© ##.2020, Sivantos GmbH. All rights reserved
www.rexton.com 0123
Legal Manufacturer
Sivantos GmbH
Henri-Dunant-Strasse 100
91058 Erlangen
Germany
Phone [phone]