User Guide
Digital In-the-Ear
hearing instrument
A510
A510 PB
A510 HPG
A510 PB HPG
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Thank you for selecting an Interton hearing system. We are proud of our hearing products and are
confident you have chosen one of the best products available. Please familiarize yourself with the
information in this guide. It contains important instructions for proper use and care, technical performance information, and other general information about your hearing system. Your hearing system
has been adjusted to your particular hearing loss. Your hearing healthcare professional will explain
these adjustments and the special features of your particular model.
Becoming Accustomed to Amplification
While purchasing a hearing system is a major step, it is only one step in a process toward more
comfortable hearing. Successfully adapting to the amplification your hearing system provides takes
time and consistent use.
You will enjoy more benefits from your Interton hearing system by taking the following actions:
• Wear the system regularly in order to get comfortable with using it.
• Begin by wearing your system for short periods of time in quiet environments.
• As you get more comfortable with the system, increase the wearing time and wear your hearing
system in multiple types of listening environments.
It may take as long as several months for your brain to get used to all the “new” sounds around you.
Following these suggestions will give your brain time to learn how to interpret amplification and
increase the benefits you get from using an Interton hearing system.
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Contents
Your Hearing System 4
On/Off Function 6
Power-on Delay 6
Stand-By Mode 6
Volume Control 7
Changing Memory Programs 7
Proper Placement in the Ear 8
Removal 9
Using the Telephone 9
Cellular Phone and
Hearing Instrument Compatibility 10
Removing/Inserting the Battery 11
Low Battery Warning 12
When the Hearing System Is Not in Use 16
Things that Can Damage
Your Hearing System 17
Moisture 17
Temperature Extremes 17
Rough Treatment 18
Corrosive Substances 18
General Warnings 18
Solving Small Problems 20
General Precautions 24
Hearing Instrument Identification 25
Repairs 26
Technical Specifications 26
Battery Safety 13
Cleaning the Instrument 14
Cleaning the Sound Inlet and Outlet 14
Earwax Management 16
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Receiver
(Sound Outlet)
Vent
Microphone
(Sound Inlet)
Memory Selector
(Optional)
Battery Compartment
Removal Cord
and On/Off Switch
AVIO 5 Completely-in-the-Canal (CIC)
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Interto n
XX XX X XX
A510
Manufacturer
Serial Number
Model
Vent
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On/Off Function
The door to the battery compartment serves as the On/Off switch for your hearing instrument. When the door is fully closed, the instrument is on. To turn the instrument off, put
your fingernail under the nail grip and pull gently to open the battery door.
Tip: To reduce battery consumption, turn the instrument off when it is not in use.
Power-on delay
Power-on delay allows you to insert the instrument in your ear without the hearing instrument squealing. It delays the switch-on time by 10 seconds after closing the battery
compartment. A beep each second is presented during this time.
Stand-By Mode
Stand-by mode reduces battery consumption since only a small amount of power is
used. When in stand-by mode, the hearing instrument will not deliver sound to the ear.
If your hearing instrument has a Memory Selector, you can put the instrument into standby mode by holding down the Memory Selector for five seconds. You will hear a series
of beeps, indicating that the instrument is now in stand-by mode.
To return to functional mode, simply press the Memory Selector once.
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Volume Control
The volume control for your hearing system is fully automatic. Your instruments have
been programmed to automatically vary amplification according to your needs.
Changing Memory Programs
Your hearing instrument may have a Memory Selector and, if so, your hearing healthcare
professional has most likely programmed multiple memories into your hearing instruments. Memory programs are used to store programs for listening comfort in the different listening environments you encounter most often.
Whenever the hearing instrument is turned on, Memory 1 is automatically activated.
Memories can then be selected by pushing the Memory Selector button on the instrument. Your hearing instrument may have up to 4 programs. Special tones will indicate
which memory has been activated. One tone will sound when Memory 1 is activated,
two tones will sound when Memory 2 is activated, etc. Memories are always activated in
sequence, for example, with three memories: 1 to 2, 2 to 3, 3 to 1. Consult your hearing
healthcare professional if the memory programs in your hearing instruments need to be
reconfigured.
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Proper Placement in the Ear
• There is a blue indicator for left ear instruments, and a red
indicator for right ear instruments.
• Hold the instrument with your thumb and forefinger,
either on the sides (as shown) or above and below.
• Insert the instrument into your ear canal.
Do not force the instrument beyond a comfortable point.
• Switch on your hearing instrument.
Tip: Insertion can be easier if you gently pull your ear backward
with your other hand. Opening and closing your mouth while
inserting may also be helpful.
If you need further help, your hearing healthcare professional will be glad to show you
how to insert your hearing instrument correctly.
Note: If the instrument irritates your ear in any way, please contact your hearing health care professional. You should never attempt to modify the shape of the custom shell
yourself.
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Removal
• Locate and grasp the removal cord
• Pull the instrument gently from the ear.
Using the Telephone While Wearing your Hearing System
Close proximity to a telephone can sometimes cause hearing instruments to make a
squealing sound, also known as feedback. To reduce the potential for this problem,
your system is equipped with feedback suppression, which greatly reduces the chance
of feedback.
Further measures to avoid feedback include positioning the
phone close to the hearing instrument, but not directly on the
instrument. If there is feedback, it may take a few seconds for
the instrument’s signal processing to adapt. This technique may
require practice.
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Cellular Phone and Hearing Instrument Compatibility
Hearing instrument performance with cellular phones may vary based on the individual
hearing system or the cell phone being used. If your hearing system and cell phone are
not compatible you may experience a buzzing or clicking noise while using the two in
conjunction. If this is the case with your current hearing system and cell phone, consult
with your hearing healthcare professional to see if there are options to improve the sound
quality.
Measures you can take to prevent this situation:
• When purchasing a hearing system, be sure to test it with your existing phone to
determine compatibility.
• When shopping for a new cell phone, be sure to test it with your hearing system
before purchasing.
For additional guidance, please, consult your cell phone provider.
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Removing/Inserting the Battery
Open the battery door by putting your fingernail under the nail
grip and pulling gently until the battery door is completely open.
Remove the used battery from the battery compartment.
Tip: Hold the instrument over a table or a soft surface in case
the battery falls out.
Remove the film from a new battery and place the new battery
into the battery compartment, matching the plus (+) sign on flat
side of the battery to the plus sign in the battery compartment.
A magnifying glass and good lighting may be helpful in seeing these small markings.
The correct battery size for your CIC instruments is a 10A.
Close the battery compartment tightly but do not use force - it should close very easily.
Your hearing system should now be on.
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Tip: Removing the battery when the instrument is not being worn will help prevent corrosion of the battery contacts.
Corrosion can decrease efficiency, causing excessive battery consumption.
Note: A weak battery will cause reduced system performance.
Low Battery Warning
Your hearing system features a Low Battery Warning function to give you notice when
your battery is getting low.
The instrument will signal when the battery power decreases to a certain level, and will
continue beeping until the instrument automatically switches off.
Tip: It is helpful to keep spare batteries with you in case you need them.
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Battery Safety
• Dispose of used batteries properly.
• Keep batteries out of reach of children or persons with diminished mental capacity.
• Keep batteries away from pets.
• Do not place batteries in your mouth. If a battery has been swallowed,
consult a physician immediately.
To prevent batteries from leaking or exploding:
• Do not expose batteries to temperature extremes.
• Do not dispose of batteries in fire.
• Do not attempt to recharge batteries which are not specifically designated
rechargeable, or reverse a battery’s polarity.
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Cleaning the Instrument
The surfaces of your instruments should be cleaned after every use. Use a soft cloth
to remove dirt, dust, earwax and residue from cosmetics or colognes. Keeping the
instruments as clean as possible will help avoid
costly repairs.
Only use cleaning products recommended by your
hearing healthcare professional. Please refer to
“Things that Can Damage Your Hearing System”
for more information.
Cleaning the Sound Inlet and Outlet
Refer to the diagram on page 4 to locate the sound
inlet and sound outlet on the hear ing instrument.
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Cleaning the Microphone Sound Inlet
Keeping the sound inlet clean will allow the microphone
to function properly. Use the soft brush provided with
your hearing system to remove dust or other debris
from the sound inlet.
Cleaning the Sound Outlet
Earwax or other debris may also collect in the sound outlet. Unless filters
have been installed to block the debris, the cleaning loop provided with your
hearing instrument can easily be used to remove this material.
When using this tool, be careful not to damage or pull the tubing placed at the opening
of the sound outlet. If this is pulled out, the hearing instrument may need to be returned
for repair.
Your hearing healthcare professional can instruct you on how to properly use the clean ing
loop and soft brush.
Note: If your hearing system has been equipped with filters, please refer to the “Earwax
Management” section.
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Earwax Management
Hearing systems are susceptible to damage or poor performance from earwax. If
appro priate, your hearing health professional will have selected and installed an earwax
management system on your instruments.
You will need to discuss with your hearing healthcare professional how to use the
particular earwax management system selected.
Note: If the hearing system seems to have lost power because it is not loud enough
and changing the batteries does not help, the filters may be blocked and need to be
changed.
When the Hearing System Is Not in Use
To protect your hearing system when it is not in use, always store it inside its carrying
case. When storing the hearing system for a prolonged period of time, remove the battery to prevent damage from corrosion.
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Things that Can Damage Your Hearing System
Keep in mind that some of your day-to-day routines require that you remove your hearing
system.
Moisture
Avoid getting moisture in the hearing system. It should not be worn in the shower,
bath, or sauna. Do not submerge the instrument in water or other liquids.
If perspiration or humidity is an issue, you may find it beneficial to use a drying kit
specially designed for hearing systems. To prevent damage, only use drying kits that
are approved by your hearing healthcare professional.
Temperature Extremes
Do not expose your hearing system to extremes of heat.
Some typical situations to avoid:
• Do not wear your hearing system when using a hair dryer.
• Do not leave your hearing system in your car or in direct sunlight.
• Do not attempt to dry your hearing system in any device other than an approved
drying kit.
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Rough Treatment
Protect your hearing system from rough treatment by storing it in the provided carrying
case when it is not in use.
Corrosive Substances
• Non-Approved Cleaning Solutions - If you use cleaning products, only use those
recommended by your hearing healthcare professional, as housing can be damaged
by certain cleaning agents such as mineral acids, hydrocarbons (benzol), esters,
alcohols and ketones.
• Debris from Daily Hygiene Routines - It is suggested you not wear your hearing
system while applying the following: hairspray, cosmetics, colognes, perfumes,
sunscreens, insect repellent, etc.
General Warnings
Hearing instruments can be dangerous if improperly used.
• Do not leave your instrument in the sun, near an open fire or in a hot, parked car.
• Do not wear your instrument while showering, swimming, in heavy rain or in a
moist atmosphere such as steam bath or sauna.
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• Should your instrument become moist, put it in a desiccator. Your hearing care pro-
fessional will be happy to counsel on this.
• Remove your instrument when applying cosmetics, e.g. perfume, aftershave, hair
spray, suntan lotion.
• Instruments should be used only as prescribed by your hearing care professional.
Incorrect use may result in sudden and permanent hearing loss.
• Do not allow others to use your instrument. It may cause permanent damage.
• Instrument usage by children or mentally challenged persons should be supervised
at any time.
• Do not take your instrument into rooms where you receive treatment with X-rays or
MRI.
• Wearing an instrument might cause an increased production of earwax. In rare
cases, the anti-allergenic materials may cause skin irritation. If so, or if in doubt,
consult your physician or ENT.
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Solving small problems
Your Interton instrument is a reliable one. In case of minor problems or malfunctions, you may be able to solve them yourself.
SYMPTOM CAUSE POSSIBLE REMEDY
Feedback,
’whistling’
No sound
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• Is your instrument inserted correctly?
• Is the volume very loud?
• Are you holding your hand or an object (e.g. a hat) too
close to an instrument?
• Is you ear full of wax?
• Is the instrument switched on?
• Is there a battery in the instrument?
• Is the battery still good?
• Is you ear full of wax?
• Put it in again
• Reduce it
• Move your hand away or create some more space between
the instrument and the object
• Visit your physician
• Switch it on
• Insert a battery
• Replace it with a new one
• Visit your physician
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SYMPTOM CAUSE POSSIBLE REMEDY
Sound is distorted,
spluttering or weak
Battery drains
very quickly
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• Is the battery dead?
• Is the battery dirty?
• Did your instrument get moist?
• Did you leave your hearing instrument
switched on at night?
• Is the battery old?
• Replace it with a new one
• Clean it or use a new one
• Use a dissecator
• Always switch off the instrument at night
• Check the date on the battery packaging
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General Precautions
• Consult a physician if you find a foreign object in your ear canal, if you experience
skin irritation or if excessive ear wax accumulates with the use of the instrument.
• Different types of radiation, e.g. from NMR or CT scanners, may damage the instru-
ment. Therefore, do not wear the instrument during these or other corresponding
scanning procedures. Other types of radiation (burglary alarms, room surveillance
systems, radio equipment, mobile telephones, etc) will not damage the instrument.
They could, however, momentarily affect the sound quality or create strange sounds
from the instruments.
• Warning: Do not wear the instrument in mines or other explosive areas, unless
those areas are certified for hearing instrument use.
• Keep the instrument away from children under the age of 3 as it contains small
parts which may present a choking hazard.
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Hearing instrument identification
Your hearing care professional place a check mark in the below table to identify the
model you have received.
Model received Hearing care professional
A510
A510 PB
A510 HPG
A510 PB HPG
Serial number Right:
Serial number Left:
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Repairs
If your Interton hearing instrument malfunctions, it must be repaired by a qualified
technician. Do not attempt to open the case of the hearing instrument since this would
invalidate the warranty. If your Interton hearing instrument requires service, please contact your hearing care professional for assistance.
Technical Specifications
Max. Output dB SPL according to IEC-118-7
A510 (CIC) 108 dB SPL
A510 PB (CIC with Push Button) 108 dB SPL
A510 HPG (CIC Power) 113 dB SPL
A510 PB HPG (CIC Power with Push Button) 114 dB SPL
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Faceplate/ Electronics by: Interton A/S. Any issues relating to
the EU Medical Device Directive 93/42/EEC should be directed
to Interton A/S.
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Worldwide headquarters | Interton A/S | Lautrupbjerg 7 | DK-2750 Ballerup | Denmark
Tel.: +45 45 75 1111 | Fax: +45 45 75 1119 | www.interton.com
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16956300-GB.09.10. Rev. B
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