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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
27


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Denon AH-GC20 Quick start guide - English - 9 pages

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