Nedis HPRF020AT - Wireless Audio Amplifying Headphones Quick Start
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Nedis HPRF020AT - Wireless Audio Amplifying Headphones Quick Start

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Contents
Nedis HPRF020AT - Wireless Audio Amplifying Headphones Quick Start

Parts list

Parts list

  1. Headphones
  2. Earbuds
  3. Volume wheel
  4. Status indicator LED
  5. Mute button
  6. Microphone
  7. Transmitter
  8. Charging pins
  9. Charging indicator LED
  10. Audio signal indicator LED
  11. Power indicator LED
  12. Bass indicator LED
  13. Treble indicator LED
  14. Tone button
  15. Auto tune button
  16. Sound balance switch
  17. Power switch
  18. Charging contacts
  19. Audio port (3.5mm)
  20. Frequency channel switch
  21. Optical audio port
  22. Power switch
  23. Power supply port
  24. DC-8V power cable
  25. Optical audio cable

Connecting the transmitter

  1. Plug the provided DC-8V power cable into the power supply port of the transmitter.
  2. Plug the other side of the DC-V power cable into a power socket.
  3. Plug the optical audio cable into the optical audio port of the transmitter .
  4. Plug the other end of the optical audio cable into your audio source (e.g. TV set Hi-Fi system).
  5. Switch on the transmitter by sliding the power switch to the ON position.

information If there is no audio signal from the audio source, or if the signal is too weak for proper reception, the transmitter turns off automatically after about 5 minutes. As soon as the audio signal returns, the transmitter turns back on automatically.

Switching on the transmitter

  • Switch on the transmitter by sliding the power switch to the ON position. The power indicator LED on the transmitter lights up green.

Charging the headphones

  1. Switch off the headphones by sliding the power switch to the OFF position.
  2. Place the headphones with the charging contacts onto the charging pins of the transmitter.

The charging indicator LED on the transmitter lights up red to indicate that the headphones are charging, and turns green when the battery is fully charged.

The signal indicator LED on the headphone receiver blinks when the battery level is low. There are about 20 minutes of operating time left before the headphones turn off. Follow these steps to charge the battery:

Switching on the headphones

  • Switch on the headphones by sliding the power switch to the ON position.
    The status indicator LED on the headphones lights up red.

Controlling the volume

  • Turn the volume wheel to adjust the volume to the desired sound level.

Adjusting the sound balance

  • Rotate the sound balance switch to adjust the volume balance between the left and the right earbud.

Enhancing the sound

  • Shortly press the tone button to switch between the modes. Adjust the tone to your preference:
    • Enhanced bass: The bass indicator LED lights up blue.
    • Enhanced treble: the treble indicator LED lights up yellow.
    • Neutral: No LED's light up.

Improving the audio quality

  • Press the auto tune button on the headphone receiver to match the frequency of the transmitter. Wait a few seconds for the audio to resume.

In case the sound quality is not improved, follow these steps:

  1. Switch between the two frequency channels by sliding the frequency channel switch a on the transmitter. Select the channel that produces better audio quality.
  2. Press the auto tune button on the headphones for better reception.

Switching between modes

To switch between listening mode and conversation mode without taking off the headphones, follow these steps:

  1. Press the mute button to stop listening to your audio device. The microphone is activated. Sounds and voices picked up by the microphone are amplified through the headphones.
  2. Press the mute button again to resume listening to your audio device. The microphone is turned off. The audio from the connected audio device is amplified through the headphones.

Specifications

Headphone Type In-ear headphones
Article number HPRF020AT
Frequency Range 863 - 865 MHz
Wireless Transmission effective distance Up to 25 meters
Maximum Playback Time Up to 6 hours
Maximum Standby Time Up to 4 hours
Maximum Charging time Up to 3 hours
Frequency Response 30 Hz - 10 KHz
Maximum Transmission power 5 dBm
Battery Capacity 380 mAh built-in Lithium battery
Transmission Power Supply 8 V-DC - 400 mA
Maximum Antenna gain 0 dBi
S/N ratio >65 dB

Declaration of Conformity

We, Nedis B.V. declare as manufacturer that the product HPRF020AT from our brand Nedis®, produced in China, has been tested according to all relevant CE standards and regulations and that all tests have been passed successfully. This includes, but is not limited to the RED 2014/53/EU regulation.
The complete Declaration of Conformity (and the safety datasheet if applicable) can be found and downloaded via webshop.nedis.com/HPRF020AT#support
For additional information regarding the compliance, contact the customer service: Web: www.nedis.com
E-mail: service@nedis.com
Phone: +31 (0)73-5991055 (during office hours)
Nedis B.V., de Tweeling 28
5215 MC 's-Hertogenbosch, the Netherlands

Documents / Resources

References

Download manual

Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.

Download Nedis HPRF020AT - Wireless Audio Amplifying Headphones Quick Start

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