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Symptom Cause / Solution Page
Cannot operate the Bluetooth
device using the headphones.
0
Remove the cable from the headphones if the headphones and Bluetooth device are connected using a
cable. The Bluetooth function of the headphones is automatically turned off when the headphones are
connected using a cable.
20
0
The headphones are reset when the supplied USB cable is connected to the headphones. Pairing
information with Bluetooth devices is not deleted even when the headphones are reset.
－
Cannot hear the caller’s voice.
0
When listening to audio through the headphones, press the call button to switch to the call.
22
0
Check that the power of the headphones is switched on.
15
0
Check that the power of the Bluetooth device is on and the Bluetooth function is enabled.
11
0
Select HSP or HFP as the Bluetooth connection profile on the transmitting Bluetooth device. For details,
see the Owner’s Manual of the Bluetooth device.
－
0
Check that the Bluetooth device is set to handle calls through the headphones. For details, see the
Owner’s Manual of the Bluetooth device.
－
0
Increase the incoming call volume.
24
0
Increase the volume on the Bluetooth compatible mobile phone.
－
Contents Preparation Connections
Operation
Troubleshooting
Appendix
27
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