MD HearingAid AIR User manual

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Printed in U.S.A.
09.13

Congratulations!
As the owner of the MDHearingAid®AIR Hearing Aid, you may
once again enjoy the sounds of your environment and conversations
with your family and friends at a price you can afford. In order to get the most
out of your MDHearingAid®AIR, please read this User Manual in its entirety.
Your satisfaction with hearing aids depends on both the type and degree of
your hearing loss as well as your expectations. No hearing aid can restore
normal hearing, and not everyone will benet equally.
Please read this manual in its entirety before using your
MDHearingAid®AIR. Thank you!

The MDHearingAid®Story ...2
Hearing Aid Diagram .......4
Quick Start Guide ..........5
Package Contents .........6
Fitting & Assembly
1. Select Ear Dome .......8
2. Attach AIR Tubing .....10
3. Insert Battery ......... 11
4. Place Behind Ear......12
5. Turn Hearing Aid On ....13
Selecting a Program.......14
Phone/Telecoil Program ....16
Getting the Most from......18
Your Hearing Aid
Battery Information ........22
Maintenance & Care.......24
In Case of Malfunction .....25
Troubleshooting .......... 26
Replacement Parts ........30
Warranty & Repair ........ 31
Return Policy ............32
Warnings ............... 34
Important Notice for .......36
Prospective Users
Notice of Cancellation......38
Technical Specications ....39
Table of Contents

2 3
Dr. Cherukuri worked with world-class Doctors of Audiology and Audiologists
to create the MDHearingAid® AIR. Built to exacting specications, the
MDHearingAid®AIR includes advanced technologies found on hearing aids
costing thousands of dollars more such as:
• Advanced feedback cancellation to reduce and eliminate "whistling"
• Advanced compression technology to magnify soft sounds and dampen
loud sounds
• Advanced noise reduction that reduces noises embedded in speech and
maximizes sound quality
• Digital amplication to accurately reproduce speech and sounds to enhance
listening comfort
• A Telecoil setting for easy use with compatible telephones or looped
environments found in many churches, theatres and public buildings
The MDHearingAid®AIR has been rigorously tested by leaders in the hearing
loss eld (ENT Physicians and Audiologists) who have unanimously agreed
that the sound quality and output is incredibly accurate.
The MDHearingAid
®
AIR Story
The MDHearingAid® AIR was invented by a board-certied Ear,
Nose and Throat physician in Chicago, IL, Dr. Cherukuri. He
encountered patients in his daily practice who would benet from
hearing aids, but many simply couldn’t afford the thousands of
dollars needed to pay for them. As a physician, he knew the
effects of untreated hearing loss: depression, social isolation,
anxiety, and other symptoms consistent with Alzheimer's disease.
Dr. Cherukuri set out to nd a reasonable solution that could
help with the most common types of hearing loss at a
reasonable price. He was looking for a “one-size-ts-most”
hearing aid, similar to reading glasses, that can easily be
purchased at the drug store.
He evaluated numerous hearing aids and sound ampliers,
including those seen on television. He found almost all of
these devices only amplied low frequencies (below 1000 Hz);
however, the majority of hearing loss is in the higher
frequencies (1000-4000 Hz), those most related to
the human voice.

54
Steps
AIR Tubing Base
Volume Dial
(on/off switch)
Program Button
Battery
Compartment
Stabilizer Bar
Ear Dome
Body
AIR Tubing
MDHearingAid
®
AIR Diagram Quick Start Guide
Five Easy Steps for Fitting
and Assembling Your MDHearingAid
®
AIR
Step 1: Select the Correct Ear Dome
Types: Open-Fit or Closed Ear Dome
Sizes: 6 mm – 15 mm
Step 2: Attach AIR Tubing Base
to Hearing Aid Body
Step 3: Insert Battery
Step 4: Place Hearing Aid Behind Ear
Step 5: Turn the MDHearingAid® AIR On

76
MDHearingAid
®
AIR Package Contents
Right and Left ear AIR Tubing
• For Right ear, use the tubing
labeled '2B' in Red
• For the Left ear use the tubing
labeled '2B' in Blue.
Optional Traditional Earhook System
This is ONLY for people needing
maximum volume or a customized
tubing length. (See separate package
located under tray.)
Cleaning Tool
Use Brush for removing wax around
Ear Dome. Use the Magnet for
replacement of battery. Use Wire
to clean tubing (after removing
Hearing Aid Body).
Closed Domes
Open-Fit Domes
Ear Dome Selection
• Open-Fit Domes (vented) allow
natural sound to enter the ear.
Best for individuals who have
high frequency loss and do not
require high volume.
• Closed Domes are best for
individuals who have low to high
frequency loss or require
higher volumes.
Wire
Magnet Brush
Left Ear Right Ear

8 9
c)
b)
a)
Step 1
a)
b)
c)
Insert Ear Dome in Ear Canal
a) Pull the outer ear upward and backward.
With your other hand, hold the AIR Tubing (with Ear
Dome attached) at the junction of the Stabilizer Bar.
b) Insert Ear Dome into the ear canal. It should t
in ear canal without protruding into the outer bowl
of the ear. When the Ear Dome is too small, there
is space between the Ear Dome and the ear canal,
and you may hear whistling (feedback) when the
Hearing Aid is on.
c) Nod head towards the ground to make sure
that the Ear Dome does not slip out easily.
Repeat the 3 steps above with different sized
 EarDomestondthebestoneforyou.
Step 1: Select the Correct Ear Dome
Attach Ear Dome to AIR Tubing
Use Right AIR Tubing (Red lettering)
for tting Right ear. Use Left Tubing
(Blue lettering) for tting Left ear.
a) Hold the AIR Tubing at the junction
of the Stabilizer Bar with one hand and hold
the 'mushroom' top of the Ear Dome
with the other hand.
b) Push the Ear Dome over the ridges
on the end of the AIR Tubing.
c) Pull in the reverse direction to make
sure the Ear Dome is attached securely.
Please note: while testing different Ear Dome
sizesitsbestnottoattachAIRTubingto
HearingAidBody.
Fitting and Assembly

10 11
Step 3
Positive
Side up
a)
b)
c)
Step 2
a)
b)
c)
Step 3: Insert Battery
To power up your Hearing Aid, please insert
one of the included size 13 batteries.
a) Push the Nail Grip downward to
open the Battery Compartment.
b) Remove the orange adhesive tab from
the battery. With the red "+" side of Battery
Compartment facing up, use the Cleaning Tool
Magnet to insert the Battery.
Or,useorangeadhesivetabtoplace
batteryintheBatteryCompartment.
Thenremoveadhesivetabanddiscard.
c) Close the Battery Compartment.
IftheBatteryCompartmentdoesnot
closeeasily,thebatteryisinserted
upsidedown.
Step 2: Attach AIR Tubing Base to Hearing Aid Body
a) Hold the top of the AIR Tubing Base
(the triangular end), and place it on
the Hearing Aid Body's threaded end.
b) Twist the Hearing Aid Body clockwise,
while gently pushing AIR Tubing Base
onto threaded end of Hearing Aid Body.
c) Make sure the slots in the Base
are ush with the wide sides of
Hearing Aid Body.

12 13
Step 5
on
off
Volume
Dial
Step 4
a)
b)
c)
Step 5: Turn the MDHearingAid® AIR On
The MDHearingAid®AIR uses a Volume Dial
with a built in on/off switch (like a radio).
• To turn the Hearing Aid on, turn the
Volume Dial upward, past the click.
• To turn the Hearing Aid off, turn the
Volume Dial downward until you feel a click.
IMPORTANT:WhentheHearingAidisturned
on,itwilltakeafewsecondstobeginamplifying
sound.PleaseraisethevolumeSLOWLY
toavoidsuddenblastofsound.
WARNING: Whistlingmaybeheardifthe
HearingAidisturnedonbutnotpositioned
securelyinyourear.Thisisnormal.Once
theEarDomeisproperlyinsertedinyour
ear,thewhistlingwillstop.
Step 4: Place Hearing Aid Behind Ear
a) Insert Ear Dome into the ear canal
until the Ear Dome ts securely.
Formoredetailsseepicturesonpage9.
b) Place the Hearing Aid Body behind the
ear so the curve of the AIR Tubing rests
comfortably on the top of ear in front of
any eye wear.
c) Tuck the Stabilizer Bar in the outer bowl
of the ear.
Please note:TheStabilizationBar
isoftenhiddenwhentuckedinthe
outerbowloftheearandisnot
shownonthecoverofbox.

1514
Program
Button
Selecting a Sound Processing Program
The MDHearingAid®AIR has four Sound Processing Programs to address the
most common hearing loss environments. Try the different programs in each
environment to nd which Program works best for you.
• Once turned on, the MDHearingAid®AIR starts on Program 1.
Thisisthedefaultsetting;everytimetheHearingAidisturned
offandthenonagain,itwillre-settoProgram1.
• To access the other Programs, press the Program Button and you will hear
a number of audible tones corresponding to the Program number:
1 Tone = Program 1
2 Tones = Program 2
3 Tones = Program 3
4 Tones = Telecoil
Pleasenote:Thetonesmaybefaintdepending
onthevolumesettingandbackgroundnoise.
Program Best For Description Indicator
1. Normal
Quiet Mode
Home, watching TV,
time with family.
Increases sound in
ALL frequencies.
1 Tone
2. Low
Social Mode
Social settings: group
meetings, church, time
with friends.
Low frequencies
(most background
noises) up to
1000 Hz are not
amplied.
2 Tones
3. High
Noisy Mode
Intense noise situations:
parties, restaurants,
trafc or large crowds.
Ideal for people with
high frequency hearing
loss.
Frequencies up
to 1500 Hz are
not signicantly
amplied.
3 Tones
4. Telecoil Use with compatible
telephones and looped
environments (pg. 16).
Telecoil enabled.
Microphone is off.
4 Tones

16 17
The MDHearingAid® AIR is equipped with a Telecoil Program. Telecoils, also
known as an Audio Induction Loops, enable the direct magnetic coupling of
your Hearing Aid to compatible telephones and other audio sources.
Telecoils provide clear sound that is free of background noise and feedback.
Telecoils enable you to comfortably use the telephone without removing your
Hearing Aid.
To activate the Telecoil mode (Program 4)
Push the Program Button until you hear four tones. In Telecoil mode, the
Hearing Aid microphone is disabled; only the sounds picked up from
the Telecoil are amplied.
General Telephone Use
When using the Telecoil, be sure to center the telephone receiver over the
Hearing Aid, NOT your ear canal. Move the receiver along the Hearing
Aid to locate the clearest, strongest signal. You may have to increase
the volume of the Hearing Aid slightly. To return to normal listening,
push the Program Button until the desired program is reached.
Telephone Compatibility
Most, but not all, landline phones are Telecoil compatible. Wireless and
cellular phones rated T3 or T4 are Telecoil compatible (T4 is preferred).
Check your telephone's instruction manual to nd out its rating.
Phones rated M3 or M4 are not Telecoil compatible but are hearing aid
compatible. These phones will work with programs 1-3.
The speaker function on your phone also works well with your MDHearingAid®
Hearing Aids.
Compatible Loop Systems
The Telecoil Program can also help you listen in public places equipped
with Telecoil compatible assisted listening systems. If your Hearing Aids
do not operate when the Telecoil is on, the loop system may not be
operating or you may be in a "dead" spot. Try positioning yourself in
a different part of the looped area, or return your Hearing Aids to your
preferred Program 1-3 and sit as close to the speaker as possible.
Using the Telephone/Telecoil Program

18 19
Balance
Patience
Fit
Happiness
Getting the Most from Your Hearing Aid
Your satisfaction with Hearing Aids depends on the type and degree of your
hearing loss and your expectations. No hearing aids will restore the normal
hearing of youth, including those costing thousands of dollars.
However, you can maximize your return on your investment by
understanding the 3 Keys to Hearing Aid Happiness.
Key #1 — Patience
New hearing aids can be a big adjustment. Your brain has to re-learn how
to hear and listen. After many years of not hearing well, it takes time and
practice to redevelop these skills. Medical studies show that your brain requires
approximately 21 days to adjust to your new Hearing Aids. During this time:
• You may initially notice lots of background sounds. These sounds have
always been a part of your environment. In time your brain will re-learn how
to process these sounds by prioritizing foreground over background sounds.
• You may nd that a quiet environment is more comfortable in the
beginning of the adjustment period.
• Your voice may sound too loud. This effect is very common for new
hearing aid users, but most people get used to it over time.
• You voice may also sound 'plugged up' or like you’re talking in a barrel.
This occlusion effect is normal. The sensation usually goes away in the
rst few weeks.
• In noisy environments, you may nd it easier to understand speech by
facing the speaker. Reading lips and observing facial expressions and
body language reinforce the sound communication.

20 21
Key #2 — Fit
Hearing Aids, no matter how expensive, are almost useless if they don’t
t well. Without a proper t, it is impossible to reap the full benet of
your investment.
•Your Hearing Aids comes with six different silicone Ear Domes. Choose
the appropriate size Ear Dome for your ear so that the t inside the ear
canal is snug. If the t is loose, feedback will occur, and you may hear
a whistling noise when the Hearing Aids are on.
•It can take time for Hearing Aids to feel comfortable. Try wearing them
for 30-60 minutes a day at rst and gradually extend the amount of time
that you wear them.
•You may nd that you require a different Ear Dome size or type once
your ear has adjusted to wearing Hearing Aids regularly.
Using Hearing Aids takes practice and patience. Some
people adjust very quickly and most adapt within a few
weeks. Please do not give up prematurely. A whole new
world of sound awaits you.
Key #3 — Balance
We are born with two ears for balance. It is best to maintain balance while
treating hearing loss. If you have hearing loss in both ears, medical studies
have shown that You will get far greater satisfaction and the BEST
results by wearing two Hearing Aids, for the following reasons:
• You will have a signicantly better understanding of speech and
conversation, since the brain is receiving a balanced signal from
both ears.
• You will nd there will be less overall background noise amplication.
• You will have better hearing and understanding in noisy situations.
• You will have better localization of the direction of sounds.
• Your listening will be more pleasing, effortless, and less frustrating.
IfyouhavehearinglossinbothearsandonlyorderedoneHearingAid,we
stronglyencourageyoutousetheenclosedcouponforadiscountona
second MDHearingAid®AIR.Asalways,youwillreceivea45-dayrisk-free
trialwithourmoney-backguarantee.

22 23
Important Battery Information
Low Battery Warning
When the battery voltage nears the end of its life, the MDHearingAid®AIR will
provide a low battery warning signal. The initial warning will be three sets
of double beeps. At this point, the hearing aid is still functioning, but it is
recommended that the battery be replaced as soon as possible.
When the battery is too weak for further operation, the MDHearingAid® AIR
will issue six sets of double beeps (resembling a motor boat sound) and
then shut down all audio output of the Hearing Aid. At this point, the unit
will not function until a fresh battery is installed.
Donotleaveexhausted"dead"batteriesintheHearingAid,
astheymayleakanddamagetheHearingAid.Discard/Recycle
theexhaustedbatteries.
Caution!Batteriescanbeharmfulifswallowed.Keepbatteriesoutof
reachofchildrenandpets.Ifabatteryisaccidentallyswallowed,seek
medicalattentionimmediately,orcalltheNational Battery Hotline
collect at 202-625-3333.
Battery Type:
The MDHearingAid®AIR uses size
13/13A zinc-air batteries.
Battery Expiration Location:
Found on back of battery package.
Battery Life:
Depends on a number of factors, such as the
settings of your Hearing Aids and the number of
hours used per day.
For extended battery life, open the Battery
Compartment if the Hearing Aid will not be used for
a prolonged period of time. This can be performed
every night, after removal, before going to sleep.
Battery Removal:
Hold the Hearing Aid over a table, then turn the
Hearing Aid over, and battery will fall out.
PleaseRecycleexhaustedbatteries.

24 25
Maintenance & Care Suggestions
Follow these tips to keep your MDHearingAid®AIR performing optimally:
• Wipe your Hearing Aid daily with a tissue or soft cloth. Water, alcohol, or
other liquid agents will damage it.
• Keep your ears clean to maximize the benet of your MDHearingAid® AIR.
Earwax can clog up AIR Tubing. For best results, it may be benecial to clean
your ears with an over-the-counter ear wash kit or visit your physician.
• Use the wire on the Cleaning Tool to keep AIR Tubing free from debris.
• Use the brush on the Cleaning Tool to gently clean away wax and other debris.
• Do not let the Hearing Aid get wet. Do not use hair spray or a hair dryer while
wearing the Hearing Aid. Do not expose the Aid to excess moisture or heat.
• Avoid physical shock to the Hearing Aid, such as dropping it on the oor.
• Store your Hearing Aid in a cool dry place when not in use with the Battery
Compartment door open.
• If you are not going to use the Hearing Aid for a prolonged period of time,
remove the battery to prevent corrosion.
In Case of Malfunction
Should your Hearing Aid not function properly, try the following:
1. Make sure the Hearing Aid is switched on.
2. Change the battery and make sure the new battery is
inserted correctly.
3. Check that the Ear Dome or AIR Tubing is not blocked by earwax.
4. Disconnect the AIR Tubing from the hearing aid and check for
moisture in the AIR Tubing.
5. Read the Troubleshooting guide on the following pages.
6. Check the website www.mdhearingaid.com/customer-service/
for more Troubleshooting tips.

26 27
• Whistling (feedback) occurs when
amplied sound returns to the
microphone and is re-amplied.
Most hearing aids (even ones
costing thousands of dollars)
will whistle when not inserted
properly in the ear canal.
• Lower the volume if it is set too
high, and try using a non-vented
Closed Ear Dome.
• Clean any wax from the AIR
Tubing that may be interfering
with the Hearing Aid.
• If feedback is still an issue try
using the Traditional Earhook
System.
• Conrm that the Hearing Aid
is working properly by removing
the aid and covering the end of
the AIR Tubing or attached
Ear Dome with your nger.
The whistling should stop.
• Try reinserting the Ear Dome
into ear so it ts better. If that
doesn't work, try a different
size Ear Dome.
Troubleshooting
1. Instrument makes a whistling sound.
• Occasionally, whistling may
occur when you have a blockage
of wax in the ear canal from a
cold or any condition that causes
sound to be reected from the
ear canal. In these cases, the
t may be ne and the whistling
will disappear when the condition
is corrected.
• Check for cracks in the AIR
Tubing or Base. Cracks may
become another entrance
for sound to enter and cause
feedback.
For optimal performance, the Hearing Aid Ear Domes and AIR
Tubing should be replaced every 3-6 months. Replacements
can be ordered at: www.mdhearingaid.com/accessories.

28 29
• Make sure the Hearing Aid is on.
The Volume Dial should be set
above the number 1.
• Make sure battery is fresh.
If there is any doubt, try a
new battery.
• Make sure battery is inserted
correctly and Battery Compartment
is completely closed.
• Reposition the AIR Tubing and
Ear Dome in your ear canal.
• Rotate the Volume Dial
(on/off switch) back and forth,
in case dust or lint has collected
in the controls.
3. Instrument has a weak or no sound.
• If the hearing aid were in a
humid environment or subject
to sweat, moisture may clog
the aid and distort sounds.
Consider using a hearing aid
dehumidier overnight.
• Lower the volume.
• Replace battery with a
fresh one.
• Check the Ear Domes and
AIR Tubing for wax or for any
signs of wear. Replace the Ear
Domes and AIR Tubing if they
appear stiff, bent, cracked, or
frayed. Replacements can be
ordered at: www.mdhearingaid.
com/accessories.
2. The sound is distorted or intermittent.

30 31
The MDHearingAid® AIR is covered against defects in materials and
workmanship for 90 days from the date you receive your order. If our
examination determines that the unit failed to work due to parts, materials or
workmanship, we will repair or replace it for free. Thiswarrantydoesnotcover
malfunctionsduetounusualwearandtearormistreatmentoftheHearingAid,
suchasphysicalshock,damagefrommoistureorsweat,excessivewaxbuild-
up,ortamperingwiththeinstrument,allofwhichvoidthewarranty.
If you require Warranty or Repair Service, please contact Customer
Service for a Return Merchandise Authorization (RMA) number, repair costs,
and instructions.
For fastest service e-mail:
[email protected]
Or, call Customer Service at:
312-219-8422. Ofce hours:
Monday to Friday,
8:30 am to 4:30 pm (CST).
Warranty & Repair
Repair Facility address:
MDHearingAid, Inc.
Repairs Department
18447 W. 8 Mile Road
Detroit, MI 48219-1520
Please do not mail to this
addresswithoutcontacting
CustomerServicerst.
Open-Fit Ear Domes
12 mm 9 mm 6 mm
Closed-Fit Ear Domes
15 mm 12 mm 9 mm
Replacement of AIR Tubing & Ear Domes
• Over time, AIR Tubing and Ear Domes
may become stiff and discolored.
• Regular replacement keeps your
hearing aids sounding and feeling
like new.
• Visit www.mdhearingaid.com/shop/
accessories where we offer different
sizes of replacement Ear Domes and
Tubing if you are having difculty
achieving a proper t.
For OPTIMAL PERFORMANCE, the AIR Tubing
and Ear Domes should be replaced every 3-6 months:

32 33
At MDHearingAid®your satisfaction is guaranteed.
To get the most out of your MDHearingAid® AIR Hearing Aids, please
understand that no hearing aid will restore normal hearing. Your satisfaction
with the MDHearingAid® AIR depends to some degree on your expectations
and commitment to re-training your brain how to hear and listen.
45 Day Trial Period
You have 45 days from the date of purchase to return the hearing aids. The
reason for this long trial period is that often it takes several weeks to get
used to the sound of new hearing aids (even the most expensive ones).
21 Day Refund Policy
Medical studies show that your brain requires approximately 21 days to
adjust to new hearing aids. If, after 21 days of using the MDHearingAid®
AIR (and before the 45th day from purchase), you are still not satised,
please contact us for a RMA number.
You will receive a full refund of your purchase price less shipping costs
(or as directed by the site where you made the purchase). Detailed return
instructions will be explained over the phone or can be e-mailed to you along
with your RMA number.
Return Policy
For fastest service, please e-mail [email protected].
Alternatively, you may call 312-219-8422. Customer Support ofce hours are
Monday to Friday, 8:30am to 4:30pm Central Standard Time.
Restocking Fees
Requests for an RMA number prior to trying the hearing aid(s) for 21 days
will be granted but will carry a 10% restocking fee. Returns made without a
RMA number will incur a twenty percent (20%) restocking fee.
We are sorry, but we are unable to honor return requests after 45 days from
the date of purchase.

34 35
Warnings to Hearing Aid Dispensers
A hearing aid dispenser should advise a prospective hearing aid user to
consult promptly with a licensed physician (preferably an ear specialist) before
dispensing a hearing aid. If the hearing aid dispenser determines through
inquiry, actual observation, or review of any other available information
concerning the prospective user, that the prospective user has any of the
following conditions, then consult a physician.
• Visible congenital or traumatic
deformity of the ear.
• History of active drainage
from the ear within the
previous 90 days.
• History of sudden or rapidly
progressive hearing loss within
the previous 90 days.
• Acute or chronic dizziness.
• Pain or discomfort in the ear.
• Unilateral hearing loss of sudden
or recent onset within the
previous 90 days.
• Audiometric air-bone gap equal to
or greater than 15 decibels at 500
hertz (Hz), 1000 Hz, and 2000 Hz.
• Visible evidence of signicant
cerumen accumulation or a
foreign body in the ear canal.
Stop Using MDHearingAid® AIR and Consult a Physician if:
• Hearing in one or both
ears worsens.
• Hearing does not improve while
using the MDHearingAid®AIR
• Skin irritation develops in or
around your ear canal.
• Your ear becomes occluded with
excessive ear wax.
• You develop an infection of your
ear or ear canal.
Special care should be exercised in selecting and tting a hearing aid whose
maximum sound pressure level exceeds 132 decibels because there may be
risk of impairing the remaining hearing of the hearing aid user.
A hearing aid will not restore normal hearing and will not prevent or improve
a hearing impairment resulting from organic conditions. In most cases
infrequent use of a hearing aid does not permit a user to attain full benet
from it. The use of hearing aid(s) is only part of hearing rehabilitation and may
need to be supplemented by auditory training and instruction in lip reading.