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Thank you for choosing our hearing instruments to accompany you through everyday life. Like anything new, it may take you a little time to become familiar with them.
This guide, along with support from your Hearing Care Professional, will help you understand the advantages and greater quality of life your hearing instruments offer.
To receive the most benefit from your hearing instruments, it is recommended that you wear them every day, all day. This will help you get adjusted to them.
It is important to read this user guide and the safety manual thoroughly and completely. Follow the safety information to avoid damage or injury.
Before using your hearing instruments for the first time, fully charge them. Follow the instructions in the charger's user guide.
This user guide describes optional features that your hearing instruments may or may not have.
Ask your Hearing Care Professional to indicate the features that are valid for your hearing instruments.
Your hearing instruments are BTE (Behind-The-Ear) models. A tube delivers the sound from the hearing instrument into the ear. The instruments are not intended for children under the age of 3 years or persons with a developmental age of under 3 years.
A power cell (lithium-ion rechargeable battery) is permanently built into your hearing instrument. This enables easy charging with our inductive charger.
The wireless functionality enables advanced audiological features and synchronization between your two hearing instruments.
Your hearing instruments feature Bluetooth® low energy* technology allowing for easy data exchange with your smartphone, and for seamless audio streaming with your iPhone**.
* The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc., and any use of such marks by the legal manufacturer of this product is under licenses. Other trademarks and trade names are those of their respective owners.
** iPad, iPhone, and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries.
It is recommended to familiarize yourself with your new hearing instruments. With the instruments in your hand try using the controls and note their location on the instrument. This will make it easier for you to feel and press the controls while wearing the hearing instruments.
If you have problems pressing the controls of your hearing instruments while wearing them, you can ask your Hearing Care Professional whether a remote control or a smartphone app to control your instruments is available.
Your hearing instruments are either attached to an earhook and a custom-made ear piece or to a standard tube (ThinTube) and a standard ear piece (LifeTip).
You can use standard ear pieces together with a standard tube or custom-made ear pieces together with an earhook and tube.
You can easily exchange the standard ear pieces and clean the standard tube. Read more in section "Maintenance and care".
Standard ear pieces / tubes | Size | |
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![]() | ThinTube |
Examples:
With the push button you can, for example, switch hearing programs. The Hearing Care Professional has programmed your desired functions to the push button.
Push button function | L | R |
Press briefly: | ||
Program up | ![]() | ![]() |
Volume up | ![]() | ![]() |
Volume down | ![]() | ![]() |
Tinnitus therapy signal level up | ![]() | ![]() |
Tinnitus therapy signal level down | ![]() | ![]() |
TV stream on/off | ![]() | ![]() |
Press for about 2 seconds: | ||
Program up | ![]() | ![]() |
Volume up | ![]() | ![]() |
Volume down | ![]() | ![]() |
Tinnitus therapy signal level up | ![]() | ![]() |
Tinnitus therapy signal level down | ![]() | ![]() |
TV stream on/off | ![]() | ![]() |
Activate/deactivate airplane mode | ![]() | ![]() |
Press for more than 3 seconds: | ||
Turn on/off | ![]() | ![]() |
L = Left, R = Right |
You can also use a remote control to change hearing programs and adjust the volume of your hearing instruments. With our smartphone app you have even more control options.
The tinnitus therapy feature generates a sound to distract you from your tinnitus.
Place your hearing instruments in the charger.
You will hear an alert signal to indicate the power cell is running low. The signal will be repeated every 15 minutes. Depending on the usage of your hearing instruments, you have approximately 2 hours to charge your hearing instruments before they stop working.
You have the following options to turn your hearing instruments on or off.
Note that the charger must be connected to the power supply. For details refer to the charger's user guide.
See also the tips for charging in the charger's user guide.
Via remote control or smartphone app, you can switch your hearing instruments to standby mode. This mutes the hearing instruments. When you leave standby mode, the previously used volume and hearing program are set.
Note:
Your hearing instruments have been fine-tuned for your right and left ear. Colored markers indicate the side:
Inserting a hearing instrument:
Risk of injury!
Insert the ear piece carefully and not too deeply into the ear.
It may be helpful to insert the right hearing instrument with the right hand and the left hearing instrument with the left hand.
If you have problems inserting the ear piece, use the other hand to gently pull your earlobe downwards. This opens the ear canal and eases insertion of the ear piece.
The optional retention strand helps to securely retain the ear piece in your ear. To position the retention strand:
Removing a hearing instrument:
Risk of injury!
In very rare cases the ear piece could remain in your ear when removing the hearing instrument. If this happens, have the ear piece removed by a medical professional.
Clean and dry your hearing instruments after usage.
Read more in section "Maintenance and care".
Your hearing instruments automatically adjust the volume to the listening situation.
An optional signal can indicate the volume change. Once the maximum or minimum volume has been reached, you may hear an optional signal tone.
Depending on the listening situation, your hearing instruments automatically adjust their sound.
Your hearing instruments may also have several hearing programs which allow you to change the sound, if needed. An optional signal tone can indicate the program change.
The default volume is applied.
You can also use the hearing instrument controls to change other features, for example, the level of the tinnitus therapy signal.
Refer to section "Controls" for the setting of your controls.
When you are on the phone, hold the telephone receiver slightly above your ear. The hearing instrument and telephone receiver have to be aligned. Turn the receiver slightly so that the ear is not completely covered.
You may prefer a certain volume when using the phone. Ask your Hearing Care Professional to configure a telephone program.
Your hearing instruments are Made for iPhone hearing instruments. This means you can get phone calls and listen to music from your iPhone directly into your hearing instruments.
For more information about compatible iOS devices, pairing, audio streaming and other useful functions, contact your Hearing Care Professional.
In areas where the use of Bluetooth technology is not allowed (e.g. on some airplanes), you can activate the airplane mode. This turns Bluetooth in your hearing instruments off temporarily. The hearing instruments still work without Bluetooth, however direct audio streaming will not be possible and other functions will not be available.
An alert tone indicates when airplane mode is activated or deactivated.
To prevent damage it is important that you take care of your hearing instruments and follow a few basic rules, which will soon become a part of your daily routine.
Your hearing instruments have a protective coating. However, if not cleaned regularly you may damage the hearing instruments or cause personal injury.
Your charger dries the hearing instruments while charging. You can also use conventional products to dry your hearing instruments. Ask your Hearing Care Professional for recommended drying products and for individual instructions on when to dry your hearing instruments.
Cerumen (ear wax) may accumulate on the ear pieces. This may affect sound quality.
Cleaning ear pieces
Cleaning tubes
Never use running water or immerse the tube in water.
You can clean standard tubes (ThinTube) using a special cleaning wire. Ask your Hearing Care Professional for suitable cleaning wires.
Exchanging standard ear pieces (LifeTip)
Exchanging standard tubes
Your Hearing Care Professional can perform a thorough professional cleaning and maintenance.
Custom-made ear pieces and wax filters should be exchanged as needed by your Hearing Care Professional.
Ask your Hearing Care Professional for your individual recommendation of maintenance intervals and for support.
This section contains important safety information regarding the power cell. For more safety information, refer to the safety manual supplied with the hearing instruments. A power cell (lithium-ion rechargeable battery) is permanently built into your hearing instrument. Incorrect use of the power cell or the hearing instrument can cause the power cell to burst. Risk of injury, fire or explosion!
Replacement and repair have to be performed by a professional. Therefore:
In any of the above cases, return your hearing instruments to the Hearing Care Professional.
For more safety information, refer to the safety manual supplied with the device.
The type of available accessories depends on the instrument type. Examples are: a remote control, an audio streaming device, or a smartphone app for remote control.
Some hearing instrument types support CROS and BiCROS solutions for people with single-sided deafness.
Consult your Hearing Care Professional for further information.
The hearing instruments operate in the following environmental conditions (also valid in between uses):
Operating conditions | Discharging | Charging |
Temperature | 0 to 50°C (32 to 122°F) | 10 to 35°C (50 to 95°F) |
Relative humidity | 5 to 93% | 5 to 93% |
Atmospheric pressure | 700 to 1060 hPa | 700 to 1060 hPa |
During extended periods of transport and storage, please observe the following conditions:
Storage | Transport | |
Temperature (recommended) | 10 to 25°C (50 to 77°F) | -20 to 60°C (-4 to 140°F) |
Temperature (maximum range) | 10 to 40°C (50 to 104°F) | -20 to 60°C (-4 to 140°F) |
Relative humidity (recommended) | 20 to 80% | 5 to 90% |
Relative humidity (maximum range) | 10 to 80% | 5 to 90% |
Atmospheric pressure | 700 to 1060 hPa | 700 to 1060 hPa |
Note that you have to charge the hearing instruments at least every 6 months.
For other parts, such as the charger, other conditions may apply.
Risk of injury, fire or explosion during shipment.
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. |
![]() | "Made for iPhone", "Made for iPad", and "Made for iPod" mean that an electronic accessory has been designed to connect specifically to iPhone, iPad, or iPod, respectively, and has been certified by the developer to meet Apple performance standards. Apple is not responsible for the operation of this device or its compliance with safety and regulatory standards. Please note that the use of this accessory with iPhone, iPad, or iPod may affect wireless performance. |
Sound is weak.
Hearing instrument emits whistling sounds.
Sound is distorted.
Hearing instrument emits signal tones.
Hearing instrument does not work.
Consult your Hearing Care Professional if you encounter further problems.
Certification information for hearing instruments with wireless functionality:
TH Premium BTE LI 19
Manufactured for:
TruHearing Inc.
12936 S. Frontrunner Blvd
Draper, UT 84020 United States
Information in this brochure is subject to change without notice. Copyright © 2019 All rights reserved.
Hearing Instrument Made in Singapore.
Document No. 04006-99T01-7600 EN-USA | D10971980
Order/Item No. 10971980 1.0 V11011083 SI/19326C-20
Master Rev01, 08.2019
© 08.2019, TruHearing Inc. All rights reserved.www.truhearing.com
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download TruHearing TH Premium BTE LI 19 - Standard and Power Behind-the-Ear Manual
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