Denon AH-GC20 User Manual

Turning the power on
Turn on the Bluetooth function of the Bluetooth device that you want to
connect to beforehand.
1
Press and hold the headphones control button for
approximately 1 second
.
1 Sec
Push
0
When the pairing information is deleted, the headphones
automatically switch to pairing registration mode when the power
is turned on.
0
A beep sound is heard and the Bluetooth indicator lights purple
for approximately 1 second.
0
The power turns on and Bluetooth function turns on.
0
The headphones automatically connect via Bluetooth to the
Bluetooth device when the device is already paired with the
headphones. (v
p. 13)
Turning the power off
1
Press and hold the control button for more than 5
seconds
.
Push
5 Sec
0
A beep sound is heard and the Bluetooth indicator lights purple
for approximately 1 second.
0
If the audio cable is connected when the headphones power is on, the power
automatically turns off.
0
A small amount of power is consumed even when the power is off.
0
If the indicator does not light even when the control button is pressed, the batteries
are exhausted. Charge the batteries.
Contents Preparation Connections Operation Troubleshooting Appendix
15

Denon AH-GC20 Specifications

General

Impedance	100 Ω
Driver type	Dynamic
Driver unit	40 mm
Ear coupling	Supraaural
Headphone frequency	5 - 40000 Hz
Maximum input power	1000 mW
Headphone sensitivity	102 dB
Cables included	Micro-USB
Audio adapters included	6.3 mm
6.35 mm connector	No
Bluetooth version	4.0
Connectivity technology	Wireless
Product color	Black, Silver
Wearing style	Head-band

Weight and Dimensions

Weight	275 g

Summary

Preparation

Unpacking

Features and functions

Charging

Instructions for charging the headphones using a USB cable and indicator status.

Checking the remaining battery power

Connections

Bluetooth operation

Guide to pairing and connecting the headphones with Bluetooth devices.

Pairing

Explanation of the pairing process and notes on device limits.

Registering (Pairing) and connecting a Bluetooth device

Step-by-step guide to register and connect a Bluetooth device to the headphones.

Reconnecting paired devices

Turning the power on

Steps to turn the headphones power on and activate Bluetooth.

Turning the power off

Simultaneously connecting multiple Bluetooth devices (Multipoint function)

Switching Bluetooth playback devices

Operation

Listening to music

How to play music wirelessly using a Bluetooth connection and control playback.

Listening to music using a wired connection

Decreasing outside noise (Noise cancell function)

How to activate and use the noise cancelling function to reduce ambient noise.

Conducting phone calls

Guide to making and receiving calls using the headphones and Bluetooth phone.

Answering an incoming call

Ending a call

Using the call waiting function

Switching a call from the headphones to a mobile phone

Other operations

Troubleshooting

Troubleshooting

Common issues and their solutions for headphone operation and Bluetooth connectivity.

Appendix

Precautions for Use

Important safety and usage precautions for operating the headphones.

Specifications