Denon AH-GC20 User manual

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AH-GC20
GLOBE CRUISER™ Over-ear Headphones/
Wireless Noise-Cancelling Headphones
Owner’s Manual
You can print more than one page of a PDF onto a single sheet of paper.
Contents Preparation Connections Operation Troubleshooting Appendix
1

Preparation
Unpacking 4
Features 5
Sound quality 5
Functions 5
Telephone Calls 5
Features and functions 6
Charging 7
Using Audio Guidance (Notification Sounds) 9
Connections
Bluetooth operation 11
Pairing 11
Registering (Pairing) and connecting a Bluetooth device 11
Reconnecting paired devices 13
Deleting pairing information 14
Turning the power on 15
Turning the power off 15
Wearing the headphones 16
Simultaneously connecting multiple Bluetooth devices (Multipoint
function) 17
Operation
Listening to music 19
Listening to music using a Bluetooth connection 19
Listening to music using a wired connection 20
Decreasing outside noise (Noise cancell function) 21
Conducting phone calls 22
Making a call 22
Answering an incoming call 22
Ending a call 22
Using the call waiting function 23
Ignoring an incoming call 23
Switching a call from the headphones to a mobile phone 23
Other operations 24
Information 25
Airplane use 25
Storage in the carrying case 25
Contents Preparation Connections Operation Troubleshooting Appendix
Contents
2

Troubleshooting
Troubleshooting 26
Appendix
Precautions for Use 28
Disposal of these headphones 29
Trademark information 29
Specifications 30
Contents Preparation Connections Operation Troubleshooting Appendix
3

Thank you for purchasing this product. To ensure proper operation, please read this Owner’s Manual carefully before using the product.
Unpacking
Unpack your new AH-GC20 and verify that the following items are included.
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Quick Guide Precautions on the use of
headphones
Audio cable (approx. 1.3 m) USB cable (for charging: Approx. 0.5 m)
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Conversion plug for aircraft use 6.3 mm Conversion adapter Carrying case Notes on radio
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DENON
Accessory pouch
Contents Preparation Connections Operation Troubleshooting Appendix
Preparation
4

Features
Sound quality
0These headphones are compatible with a wide range of codecs,
including the high sound quality aptX, AAC and SBC. These
headphones automatically select the optimum compatible codec
for your Bluetooth device (smartphone or tablet) so you can
enjoy high-grade wireless sound. Additionally, aptX is Low
Latency compatible so you can enjoy videos and gaming without
audio lag.
Functions
0You can enjoy listening to music wirelessly by connecting these
headphones to your Bluetooth device. Playback operations and
volume adjustment can be performed for the paired audio device
using the headphones.
0When the noise cancelling function is turned on, you can hear
clear audio sound even if you are in a noisy location such as
inside a train.
0You can connect to an audio device that is not equipped with
Bluetooth using the supplied cable, or in case Bluetooth is not
allowed or the battery runs out.
Telephone Calls
0You can also make hands-free phone calls by pairing these
headphones to a Bluetooth compatible mobile phone. Equipped
with CVC (Clear Voice Capture) technology which suppresses
echoes enabling low-noise phone calls.
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Features and functions
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Q1o
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q w w q
Q0
RL
AL/R Indicator
BNoise cancelling microphone
CNoise cancelling function toggle switch
Turns the noise cancelling function on/off.
DCharge/NC (Noise Cancell) indicator
0Blinks red according to the charging status. (v p. 7)
0Lights white when the noise cancelling function is on. (v p. 21)
ECharging port
Connect the supplied USB cable to charge the headphones.
FStereo mini jack (3.5 mm)
Connection socket for the supplied audio cable.
GControl button
0Turns the power on/off and pairs the headphones with Bluetooth
devices. (v p. 11)
0Operates the audio device that is connected using Bluetooth.
(v p. 19)
HBluetooth Indicator
Indicates the connection status with the Bluetooth device.
IVolume button (+/–)
Adjusts the volume up and down. (v p. 19)
JCall microphone
KCall button
Controls call operations on the paired mobile phone. (v p. 22)
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Operation Troubleshooting Appendix
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Charging
When using the headphones for the first time after purchase or when the
remaining battery is low, connect the headphones to a computer or a USB
to AC power adapter (not included) using the supplied USB cable.
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The Charge/NC indicator blinks during charging. It takes approximately 3
hours to charge the headphones. (The duration time differs depending on
the charging output.)
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ON OFF
100 % charged : Lights red
50 - 99 % charged : Blinks red at 2-second intervals
0 - 49 % charged : Blinks red slowly
0You can connect the headphones to a device using the supplied audio cable to
enjoy listening to music even if the batteries are drained. (v p. 20)
0The headphones can be used for approximately 20 hours of music playback when
fully charged.
0You can listen to music from a paired Bluetooth device or make phone calls even
during charging. In this case, noise may occur in the audio from the headphones
depending on the type of computer used.
NOTE
0When connecting the USB cable to the charging port, be sure to match the cable
connector with the shape of the socket. Forcing the connector into the socket will
cause damage.
0A rating of the charging output should be DC 5 V, 2.4 A or less.
0The usable time of the headphones differs depending on the temperature of the
environment in which they are used and method of use.
0The power turns off when the USB cable is connected to the headphones during
use. Turn on the power again to continue using the headphones.
0If the usable time of the headphones is extremely short even when fully charged,
the battery may have reached the end of its lifespan. In this case, please contact
the Denon Customer Service Center (see the back of this manual).
0You cannot change rechargeable batteries yourself.
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oChecking the remaining battery power
When the power is on (“Turning the power on” (v p. 15)), press the
Call button twice to check the remaining battery power.
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Remaining battery Indicator Beep sound
90 – 100 % Blinks four times Four times
60 – 89 % Blinks three times Three times
30 – 59 % Blinks twice Twice
10 – 29 % Blinks once Once
0The remaining battery power cannot be checked when a phone call is in
progress.
0When the amount of remaining battery is running low, the indicator
flashes red at three second intervals together with a beeping sound.
0If the battery runs out during use, a beeping sound is heard and the
power of the headphones turns off.
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Operation Troubleshooting Appendix
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Using Audio Guidance (Notification Sounds)
You are notified when an operation has completed correctly by a “beep” or “audio guidance”. The default notification sound is a “beep”. You can switch the
notification sound using the following procedure.
oSwitching to Audio Guidance Mode
1End the audio playback or phone call on connected
Bluetooth device, or turn off the Bluetooth function of
the connected Bluetooth device.
2Press and hold the call button and “+” volume button
together for more than 5 seconds.
0The beep sound is heard and the notification sound is switched to
audio guidance.
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oSwitching to beep mode
1End the audio playback or phone call on connected
Bluetooth device, or turn off the Bluetooth function of
the connected Bluetooth device.
2Press and hold the call button and “-” volume button
together for more than 5 seconds.
0The beep sound is heard and the notification sound is switched to
the beep sound.
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Operation Troubleshooting Appendix
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oSwitching the Audio Guidance Language
The audio guidance language can be selected from the following
languages. (The default audio guidance language is “English”)
English, Japanese, Chinese, German, French, Italian, Spanish
1Press and hold the call button and control button
together.
0Audio in each language is played in order while the buttons are
pressed down.
2Release the buttons when the language that you want
to select is played.
0A message informing you that the settings are complete is heard.
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R
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Push
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Operation Troubleshooting Appendix
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