QT S Digital Hearing Amplifier User Manual

1. Introduction

The QT S (D18) Digital Hearing Amplifier is designed to provide clear and amplified sound for individuals with light, moderate, or severe hearing loss. This device features full digital circuitry, adjustable volume control, and advanced noise reduction capabilities to enhance your listening experience. Its water and dust-proof design (IP48) ensures durability and reliability.

Key Features:

• Digital Circuitry: Provides low audio distortion and clearer voice.
• Noise Reduction: Digital noise reduction feature for maximum clarity.
• Multiple Modes: Three distinct modes for various listening environments (Full Range, Noise Reduction, Telecoil).
• WDRC (Wide Dynamic Range Compression): Allows more gain for soft sounds and less for loud sounds.
• AFC (Adaptive Feedback Cancellation): Reduces whistling and humming.
• Durable Design: Water and dust-proof with an IP48 rating.

2. Package Contents

Your QT S Digital Hearing Amplifier package includes:

• QT S Digital Hearing Amplifier (Model D18)
• CR123A Battery (1 included)
• Multiple Dome Sizes (for comfortable fitting)
• Storage Protection Case
• Cleaning Tools

3. Setup and First Use

3.1 Battery Installation

The device requires one CR123A battery, which is included in the package. To install the battery:

1. Locate the battery compartment on the hearing amplifier.
2. Gently open the battery door.
3. Insert the CR123A battery, ensuring the positive (+) and negative (-) terminals align correctly with the indicators inside the compartment.
4. Close the battery door securely.

3.2 Fitting the Hearing Amplifier

Select the appropriate dome size for your ear canal. The package includes three available dome sizes to ensure a comfortable and secure fit. Attach the chosen dome to the thin receiver wire. Carefully place the hearing amplifier behind your ear and insert the dome into your ear canal.

Image: The QT S Digital BTE Hearing Aid, highlighting its digital chip, clear voice capability, and three modes.

4. Operating Instructions

4.1 Powering On/Off and Volume Control

To power on the device, ensure the battery is correctly installed and the battery door is closed. The device will automatically power on. Use the adjustable volume control buttons located on the device to increase or decrease the sound amplification to a comfortable level.

4.2 Mode Selection

The QT S Digital Hearing Amplifier offers three distinct modes to adapt to different listening environments. Press the Mode Swapping Button to cycle through the modes:

• "DI" (Single Beep): Activates the Full Range Frequency mode, providing general amplification across all frequencies.
• "DIDI" (Double Beep): Activates the Noise Reduction mode, which is optimized for noisy environments to reduce background distractions and enhance speech clarity.
• "DIDIDI" (Triple Beep): Activates the Telecoil mode. In this mode, the microphone on the hearing aid for the general environment will turn off, allowing the individual to hear only through a compatible telephone or loop system.

Image: The QT S Hearing Aid, emphasizing its super power, IP48 waterproof and dustproof rating, and three listening modes.

5. Maintenance and Care

Proper maintenance ensures the longevity and optimal performance of your hearing amplifier.

• Daily Cleaning: Use the provided cleaning tools to gently remove any earwax or debris from the ear dome and the device's surface.
• Storage: When not in use, store the hearing amplifier in its protective case to prevent damage from dust, moisture, and impacts.
• Battery Replacement: Replace the battery when you notice a decrease in sound quality or volume, or if the device stops functioning.
• Water and Dust Protection: While the device is water and dust-proof (IP48), avoid prolonged submersion in water or exposure to excessive dust. Clean any water splashes immediately.

Image: The QT S Hearing Aid, showcasing its water-resistant design amidst water splashes.

6. Troubleshooting

If you experience issues with your QT S Digital Hearing Amplifier, refer to the following common solutions:

• No Sound or Weak Sound:
  • Check if the battery is correctly installed and not depleted. Replace if necessary.
  • Ensure the volume is turned up to an audible level.
  • Clean the ear dome and sound outlet for any blockages from earwax or debris.
• Whistling or Feedback:
  • Ensure the ear dome is properly seated in your ear canal to create a good seal.
  • Try a different size ear dome for a better fit.
  • Lower the volume if it is too high.
  • The device features Adaptive Feedback Cancellation (AFC) to minimize whistling; if persistent, consult support.
• Distorted Sound:
  • Check the battery level.
  • Clean the device thoroughly.
  • Ensure you are in the appropriate mode for your environment (e.g., Noise Reduction mode for noisy places).

If problems persist after attempting these solutions, please contact customer support.

7. Specifications

8. Warranty and Support

8.1 Warranty Information

The QT S Digital Hearing Amplifier comes with a 1-Year Warranty from the date of purchase, covering manufacturing defects. If any issues arise within this period due to product malfunction, please contact customer support for assistance.

Additionally, we offer a 30-Day Money Back Guarantee. If you are not satisfied with the product for any reason, you may return it within 30 days of purchase for a full refund.

8.2 Customer Support

Our product specialists are available to provide support and answer any questions you may have regarding your hearing amplifier. You can reach us via phone or email.

For support, please visit the QT Shopping store on Amazon or refer to the contact information provided with your purchase. We are committed to assisting you with your unique hearing situation.

9. Important Information

The QT S Hearing Amplifier is classified as a Personal Sound Amplifier Product (PSAP) as defined by the United States Food and Drug Administration (FDA). It is intended to amplify sounds for individuals with mild to moderate hearing loss and is not a medical device for diagnosing, treating, curing, or preventing any disease or health condition.