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1. Make sure that the headphones are turned on.
2. Press [ ANC ] once to turn the active noise cancellation on/off. The LED indicator
shines blue when the ANC feature is activated.
ANC ON
ANC OFF
1 x
1 x
Care and maintenance
• Use a dry cloth to wipe the headphones clean when needed.
• Always switch the headphones off when they are not in use.
Troubleshooting guide
The headphones
will not switch on.
Make sure that the battery is charged. Refer to the
Charging
section above.
The battery does
not charge.
• If you are using a computer as a power source, check that
it is on and not in standby mode.
• Check that the charging cable is correctly connected to
both the earphones and the power source.
The headphones
won't connect to
(pair with) the ex-
ternal device.
• Place the headphones next to the device that you are trying
to connect them to.
• Make sure that:
-
Both devices are switched on.
-
The Bluetooth function is enabled on the device you are
trying to connect to.
Poor or no sound.
• Adjust the volume on both your telephone and the
headphones.
• Make sure that the Bluetooth connection has been properly
established.
• Test playback from your telephone without it being
connected to the headphones to check that it works.
• Make sure that no other wireless devices are disrupting
your Bluetooth connection.
• Make sure that your telephone is within the 10 m (max)
reception range of the headphones.
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