Music
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No sound
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Check that both the headset and the BLUETOOTH device are turned on.
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An A2DP BLUETOOTH connection is not made between the headset and the BLUETOOTH device. Use the BLUETOOTH device and make an A2DP BLUETOOTH connection.
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Check that music is being played back by the BLUETOOTH device.
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Check that the volume of the headset is not set too low.
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Turn up the volume on the connected device if necessary.
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Pair the headset and the BLUETOOTH device again.
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Low sound level
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Turn up the volume of the headset.
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Turn up the volume on the connected device if necessary.
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Low sound quality
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Use the BLUETOOTH device and switch the BLUETOOTH connection to A2DP (Advanced Audio Distribution Profile) when HFP (Hands-free Profile) or HSP (Headset Profile) is set.
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If you have previously connected this BLUETOOTH device, only an HFP/HSP BLUETOOTH connection may be made when the headset is turned on. If this happens, use the BLUETOOTH device and make an A2DP BLUETOOTH connection.
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Sound skips frequently during playback.
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Set the headset to the “Priority on stable connection” mode.
- For details, refer to “Selecting the sound quality mode of music playback.”
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The noise canceling effect is not sufficient
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Make sure that the noise canceling function is turned on (the NC button lights up.)
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Adjust the earpad position to fit your ears.
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The noise canceling function is effective in low frequency ranges such as airplanes, trains, or offices (near air-conditioning, etc.) and is not as effective for higher frequencies, such as human voices.