Troubleshooting - Denon AH-GC20 Owner's Manual

Contents Preparation

Troubleshooting

If the headphones do not operate correctly, first check the following items.
Symptom
The Bluetooth function of the
headphones does not switch
on.
Cannot pair a Bluetooth
device.
Cannot connect using
Bluetooth.
Sound is not output from the
headphones when connected
using Bluetooth.
Connections
Connect the headphones to a computer using the supplied USB cable to charge the battery.
0
Move the Bluetooth device that you want to connect closer to the headphones.
0
Check that the power of the headphones is switched on.
0
Check that the power of the Bluetooth device is on and the Bluetooth function is enabled.
0
Check whether the Bluetooth device is in sleep status.
0
Pair the devices again.
0
Remove the cable from the headphones if the headphones and Bluetooth device are connected using a
0
cable. The Bluetooth function of the headphones is automatically turned off when the headphones are
connected using a cable.
Check that the power of the headphones is switched on.
0
Check that the power of the Bluetooth device is on and the Bluetooth function is enabled.
0
Select A2DP as the Bluetooth connection profile on the transmitting Bluetooth device. For details, see the
0
Owner's Manual of the Bluetooth device.
Check that audio is being played back on the Bluetooth device.
0
Increase the volume. Increase the volume on the Bluetooth device if it is necessary to adjust the volume
0
on the Bluetooth device.
Pair the devices again.
0
Operation Troubleshooting Troubleshooting
Cause / Solution
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