Shenzhen Tengfeida Electric Appliance KRV-A13 Voice Amplifier Instruction Manual

June 5, 2024
Shenzhen Tengfeida Electric Appliance

Shenzhen Tengfeida Electric Appliance KRV-A13 Voice Amplifier

Shenzhen Tengfeida Electric Appliance KRV-A13 Voice
Amplifier

In order to better understand and use the product, please read this manual carefully before using

FOREWORD

Thank you very much for purchasing our quality loudspeaker products, this product has excellent sound quality and reliability. Hope to bring greater convenience and help for your life and work, adding more health and happiness.
This product has a speakerphone, TF card and USB functionality, but with aloud voice, beautiful sound, memory playback, FM digital radio, audio input and other functions, especially for guides, promotions, teaching, morning exercise, exhibition, and entertainment, etc.

FUNCTION

  • Power LED: Status display for playback and charging the battery display Power and volume switch: clockwise rotation can be realized and the volume control switch
  • Input jack: 3.5MM standard audio cable to use an external audio source to import the machine, and use the machine as a speaker (can be connected to the phone, MP3 /SI mobile DVD, PC and other audio devices)
  • DC/5V jack: Connect the 5V power supply to achieve the loudspeaker charge, we recommend using the above SOOMA charger, charging 4-8 hours
  • Microphone Input: Insert standard 3.5MM enables speakerphone microphone, adjust the volume, so to achieve the best sound
  • TF card interface: plug in the memory card in the card can be realized play sound files
  • USB port: Plug the USB device, you can achieve a sound file playback from USB devices
  • LED Display: Displays the current play mode and status, play USB and TF card files, tracks and playing time can be displayed, showing the radio frequency playback FM radio

USE NOTES

  1. The company provides products, artificial damage, one year warranty (accessories: the lithium battery, charger, and headband microphone is easily consumable parts not covered under warranty)
  2. After the warranty period, the company is responsible for the maintenance, and replacement of components required materials fee received.

FCC Statement

This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions:

  1. this device may not cause harmful interference, and
  2. this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.

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