Disposal Considerations; Declaration Of Conformity - auna AV3800USB Mode D'emploi

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Problem
Sound generated from speakers is
disordered.
Weak bass or musical instrument
position is not clear.
No sound sent off from mike.
Karaoke doen't work normally.
With AC current noise or other noise.
According to the European waste regulation 2012/19/EU this symbol on the product
or on its packaging indicates that this product may not be treated as household was-
te. Instead it should be taken to the appropriate collection point for the recycling of
electrical and electronic equipment. By ensuring this product is disposed of correct-
ly, you will help prevent potential negative consequences for the environment and
human health, which could otherwise be caused by inappropriate waste handling of
this product. For more detailed information about recycling of this product, please
contact your local council or your household waste disposal service.
Producer: CHAL-TEC GmbH, Wallstraße 16, 10179 Berlin, Germany.
This product is conform to the following European Directives:
2011/65/EU (RoHS)
2014/30/EU (EMC)
2014/35/EU (LVD)
Possible reasons
Speakers are not placed at correct positions.
polarity of speaker wires are incorrect.
The +/- wires of speaker are not correctly cpnnected.
Adjust the alt and bass again.
Check the volume of mike is adjusted to minimum.
Check if the mike wires are open or short circuit.
Volume and tune are not adjusted to suitable level.
Reverbation and time delay are set at minimum.
Mike is broken.
Bad contact for input signal wire or plug.
Signal is not trabsmitted with shielding conductor.
There are power generator or other interfering sources
nearby.
Assistant equipment fault.

Disposal Considerations

Declaration of Conformity

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