MDHearing CORE L Series User manual
User Manual
CORE Hearing Aids • Series L
Superior in quality
of sound, ease of
use, and best value.
Thank you for
restoring my
condence.
— Loren B.
With the CORE, you are back in control of the sounds
around you, thanks to smart digital technology, paired
with personalized settings and user-adjustable controls.
Please read this User Manual in its entirety.
Practice and patience are important as your brain relearns
how to hear. Your results, and improved quality of life, will
depend on the type and degree of your hearing loss, your
expectations, and frequency of use.
Congratulations
Our U.S.-based team of licensed audiologists and hearing specialists
are the heart and soul of MDHearing. They’re here to guide and assist
you with any questions you may have. Take advantage of our free
one-on-one consultations.
We’re here to help.
800-918-3914
Monday–Friday (Visit MDHearingAid.com/contact-us
for current hours of operation)
24 hours a day, 7 days a week
The customer
service has been
outstanding.
They continue
to solve the
problem and
give solutions.
— Joan P.
Table of Contents
Package Contents ..............7
CORE Diagram .................8
Quick Start Guide...............9
Insert Battery/Information .....11
Place On Ear ..................14
Volume & Program Settings.....15
Care & Cleaning ...............17
Ordering Parts & Protection .....20
Replacing Tips & Tubing ........21
Using the Telephone ...........24
Troubleshooting...............25
Warranty & Replacements ......29
Return Policy .................31
General Warnings .............33
Indications For Use ............36
Clinical Data ..................36
Warning to Dispensers . . . . . . . . .37
Important Notice for Users .....39
FCC Regulations ...............41
Cybersecurity .................46
Transport & Storage ...........47
Airplane Mode ................47
Technical Specications ........48
Notice of Cancellation..........50
Package Contents*
a) Hearing Aid(s)
b) Size 312 Batteries
Thin Tubing
ComfortTIP™
*Contents will vary depending on quantity ordered.
c) Cleaning Tool Wire Magnet Brush d) Closed Tip(s)
7
CORE
Body
Stabilizer Bar
Thin Tubing
Tubing Base
Battery
Compartment
(on/o control)
Snap End
CORE Diagram
Hearing Aid Dimensions: 1.375” x 0.25” x 0.5”
CORE comes assembled for your convenience.
ComfortTIP™
Volume/Program
(push button)
Microphones
8
If you have a pair, rst identify the left and right hearing aid.
Step 1: Insert a new battery into the hearing aids.
Step 2: Place the hearing aids on your ears.
Step 3: Adjust the settings.
Quick Start Guide
Please note: The CORE may be used with the optional
MDHearing app to personalize your hearing aids. See the
app manual for personalization instructions.
9
If you have two hearing aids, they may be tuned dierently for each ear and
should not be swapped.
To identify the left and right hearing aid, hold them upright in each hand with
the controls facing you. The tubing/tips point toward each other when in the
correct hand.
Identifying Your Left and Right Hearing Aids
Please note: Tubing and tips are left and right ear specic (see page 21).
The hearing aids become ear-specic if they’re personalized with the app.
Left aid in
left hand.
Right aid in
right hand.
10
1min
Battery type: Size 312 zinc-air (brown tab)
a) Remove brown adhesive tab to activate
battery. Wait one (1) FULL minute for the
battery to become fully operational.
b) Push nail grip downward to open the
battery compartment. With positive (+) side
of the battery facing up, use the cleaning tool
magnet (or your ngers) to insert battery.
c) Close the battery compartment to turn the
hearing aid on.
Step 1: Insert Battery
b)
a)
c)
Please note: If the battery compartment
does not close easily, battery may be
inserted upside down. Positive
(+) side up
11
Battery Information
Battery Removal:
a) Hold the hearing aid with buttons facing
right and open the battery compartment.
b) Remove battery with the magnet on your
cleaning tool or let battery fall into your hand.
Battery Tips:
• Open battery compartment when not in use.
• Store batteries in original packaging.
• Do not use expired, unsealed, or corroded
batteries.
• Do not leave depleted battery in hearing aid.
Buttons
facing right
Caution! Keep batteries
out of reach from children
and pets. If a battery is
accidentally swallowed,
seek medical attention
immediately, or call The
National Battery Hotline
at 800-498-8666.
12
The CORE has a two-stage battery door which
functions as the on/o control.
• ON: Close battery door completely.
• OFF: Slightly open the battery door (it should
catch on a notch), or continue to open the
battery door fully to change the battery.
On/Off Control Off
On
Off
Fully
open
Slightly
open
Fully
closed
A voice prompt indicates “low battery”.
You will have about ve (5) minutes before
losing power.
Low Battery Warnings
13
ý
Step 2: Place On Ear
þ
b)
a)
c)
Please note: Whistling may occur if the
tip is not properly inserted in your ear.
Prevent ComfortTIP™ from coming o in
ear—always verify the tip is pushed all
the way on tubing before inserting.
a) Hold thin tubing at the stabilizer bar
junction. Insert ComfortTIP with gentle
pressure into the ear canal.
b) Place the hearing aid body behind ear.
Thin tubing should rest on top of your
ear comfortably (next to glasses).
c) Tuck stabilizer bar in the outer bowl of ear.
It may be trimmed to suit the size of your ear.
14
Caution! To avoid a sudden increase in volume, please raise the volume slowly.
The CORE uses a multi-function push button
or the optional MDHearing app (see the app
manual for instructions).
• Top of button: Raises volume and program.
• Bottom of button: Lowers volume and program.
To change volume, press and quickly release.
There is a single beep with every incremement.
A voice prompt indicates minimum and maximum volume.
To change programs, press and hold. A voice prompt indicates
the program number.
Step 3: Settings Raises
volume &
program
Lowers
volume &
program
15
Experiment with the dierent programs at various volumes to nd what
combinations work best for you. If you need help determining the proper settings,
please contact us for a free consultation with one of our licensed hearing
1. Automatic*
Program Best ForPrompts
“Program 1”
A constant quiet environment, such as
watching TV or time with family at home.
2. Quiet “Program 2”
Conversations in small groups of three to
ve people.
3. Conversation “Program 3”
Any loud environment where you need to
reduce background noise.
4. Restaurant “Program 4”
Everyday use—this program automatically
adjusts as your environment changes.
*Program 1 is the default setting. When the hearing aid is turned o, it will reset to Program 1.
Program Selection
16
Care and Cleaning
Daily Cleaning:
Use the cleaning tool brush to remove dust, earwax, or other debris from the
ComfortTIP™, buttons, and microphones (found on top and front of the CORE).
The hearing aid body can be cleaned with a tissue or soft cloth. Do not use water,
alcohol, or other liquid agent to clean the hearing aid as it may damage it.
ComfortTIP MicrophonesButtons
17
Regular Cleaning:
Use the cleaning tool wire to remove debris from tubing.
a) Remove tubing (see page 22).
b) Thread the wire through the tubing base and out of the tip.
c) Wipe the end of wire clean and repeat as necessary.
d) Reattach tubing to hearing aid body.
18
• Avoid physical shock, such as dropping it on the oor.
• Store in a cool dry place, such as a hearing aid dehumidier,
with the battery compartment open.
• For prolonged periods of non-use, remove the battery to prevent
corrosion.
• Do not use hair spray or a hair dryer while wearing the hearing aid.
• Do not expose the hearing aids to excess moisture or heat.
Tips for Optimal Performance
19
Table of contents
Other MDHearing Hearing Aid manuals
