No Sound Comes Out - Denon AH-GC30 Owner's Manual

Contents Preparation
The device cannot be charged
The headphones cannot be charged.
Check whether the power plug is correctly inserted into the power outlet. (v p. 8)
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Make sure the supplied USB cable is inserted correctly into the headphones. (v p. 8)
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If the headphones are connected to the computer via the USB port, check that the computer is powered on.
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No sound comes out

No sound comes out.
Check that the headphones and the connected device are powered on.
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Adjust the volume of the headphones and the connected device to a suitable level. (v p. 21)
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Pair the headphones with the Bluetooth device. (v p. 14)
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If you are trying to play music on a computer via USB, check that the supplied USB cable is fully connected. (v p. 19)
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Sound is distorted, noisy, or cuts in and out
Sound is distorted, noisy, or cuts in and out.
Adjust the volume of the headphones and the connected device to a suitable level. (v p. 21)
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The Bluetooth device is out of range. Bring the Bluetooth device closer to the headphones.
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The Bluetooth connection is experiencing wireless interference. Move the headphones away from appliances such as microwave ovens and other
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wireless devices.
Power cycle the device and try again.
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Connections Operation
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Troubleshooting Appendix