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Denon AH-GC20 Owner's Manual

Globe cruiser over-ear headphones/ wireless noise-cancelling headphones
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Contents
Preparation
Connections
Operation
Troubleshooting
Appendix
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.
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  Summary of Contents for Denon AH-GC20

  • Page 1 Contents Preparation Connections Operation Troubleshooting Appendix 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.
  • Page 2: Table Of Contents

    Contents Contents Preparation Connections Operation Troubleshooting Appendix Preparation Operation Unpacking Listening to music Features Listening to music using a Bluetooth connection Sound quality Listening to music using a wired connection Functions Decreasing outside noise (Noise cancell function) Telephone Calls Conducting phone calls Features and functions Making a call Charging...
  • Page 3 Contents Preparation Connections Operation Troubleshooting Appendix Troubleshooting Troubleshooting Appendix Precautions for Use Disposal of these headphones Trademark information Specifications...
  • Page 4: Unpacking

    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. Quick Guide Precautions on the use of Audio cable (approx.
  • Page 5: Features

    Contents Preparation Connections Operation Troubleshooting Appendix Features Sound quality Telephone Calls These headphones are compatible with a wide range of codecs, You can also make hands-free phone calls by pairing these including the high sound quality aptX, AAC and SBC. These headphones to a Bluetooth compatible mobile phone.
  • Page 6: Features And Functions

    Contents Preparation Connections Operation Troubleshooting Appendix Features and functions D Charge/NC (Noise Cancell) indicator Blinks red according to the charging status. (v p. 7) Lights white when the noise cancelling function is on. (v p. 21) E Charging port Connect the supplied USB cable to charge the headphones. F Stereo mini jack (3.5 mm) Connection socket for the supplied audio cable.
  • Page 7: Charging

    0 If 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). 0 You cannot change rechargeable batteries yourself.
  • Page 8: Checking The Remaining Battery Power

    Contents Preparation Connections Operation Troubleshooting Appendix o Checking 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. Remaining battery Indicator Beep sound 90 –...
  • Page 9: Using Audio Guidance (Notification Sounds)

    Contents Preparation Connections Operation Troubleshooting Appendix 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. o Switching to Audio Guidance Mode o Switching to beep mode End the audio playback or phone call on connected...
  • Page 10: Connections

    Contents Preparation Connections Operation Troubleshooting Appendix o Switching 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 Press and hold the call button and control button together.
  • Page 11: Bluetooth Operation

    Contents Preparation Connections Connections Operation Troubleshooting Appendix Bluetooth operation Pairing Registering (Pairing) and connecting a Bluetooth device You need to register (pair) a Bluetooth device with the headphones in advance in order to enjoy listening to wireless music or make phone calls. You can connect to a Bluetooth device any time after it has been paired.
  • Page 12 Connections Operation Troubleshooting Appendix When the headphones power is off, press and hold the Select “DENON AH-GC20” from the list of devices control button for approximately 4 seconds displayed on the screen of your Bluetooth device Push DENON AH-GC20 The Bluetooth indicator flashes red and blue alternately indicating When the headphones are paired and connected to an audio device that the headphones are in pairing registration mode.
  • Page 13: Reconnecting Paired Devices

    Contents Preparation Connections Operation Troubleshooting Appendix Reconnecting paired devices Playing back music on the Bluetooth device Music played back on the connected Bluetooth device is output from the headphones. Turning on Bluetooth on your mobile device 0 If the power is on, turn the power off before pairing. 0 The headphones pairing registration mode is cancelled if pairing is not completed within 3 minutes.
  • Page 14: Deleting Pairing Information

    Bluetooth device Delete pairing information if you have made a mistake entering pairing If the device is not connected, select “DENON AH-GC20” from the information or when re-pairing a device. list of devices displayed on the screen of your Bluetooth device.
  • Page 15: Turning The Power On

    Contents Preparation Connections Operation Troubleshooting Appendix Turning the power on Turning the power off Turn on the Bluetooth function of the Bluetooth device that you want to Press and hold the control button for more than 5 connect to beforehand. seconds Press and hold the headphones control button for approximately 1 second...
  • Page 16: Wearing The Headphones

    Contents Preparation Connections Operation Troubleshooting Appendix Wearing the headphones Adjust the slider to the preferred length. NOTE 0 Be careful not to trap your fingers, etc. in the moving parts. 0 Do not pull the slider too forcefully. 0 In order to hear the best quality sound, be sure that the ear pads correctly cover both the left and right ears.
  • Page 17: Simultaneously Connecting Multiple Bluetooth Devices (Multipoint Function)

    Contents Preparation Connections Operation Troubleshooting Appendix Simultaneously connecting multiple Turn off the Bluetooth function of the headphones and Bluetooth devices (Multipoint function) then register (pair) the 2nd Bluetooth device Two Bluetooth devices can be simultaneously connected to the Push headphones, but of these only one device can be used to listen to music or make phone calls at any time.
  • Page 18 Appendix o Switching Bluetooth playback devices Turn on the Bluetooth function of the 1st Bluetooth device, and select “DENON AH-GC20” from the list of Stop or pause playback on the current playback device devices displayed on the screen Start playback on the device that you want to listen to...
  • Page 19: Listening To Music

    Contents Preparation Connections Operation Operation Troubleshooting Appendix Listening to music Select track When using the headphones wirelessly, make sure the Bluetooth function is set to ON for the Bluetooth device. (For details, see the Owner's Manual Next track: Slide in the B direction (towards back of the head) of the Bluetooth device that you connected.) Previous track: Slide in the C direction (towards face) Listening to music using a Bluetooth...
  • Page 20: Listening To Music Using A Wired Connection

    Contents Preparation Connections Operation Troubleshooting Appendix Listening to music using a wired connection 0 These headphones are compatible with SCMS-T content security standards. You can use these headphones with SCMS-T compatible mobile phones or devices. 0 In order to listen to music via a Bluetooth connection, the connected Bluetooth Use the provided audio cable when you are not allowed to use the device needs to be A2DP (Advanced Audio Distribution Profile) compatible.
  • Page 21: Decreasing Outside Noise (Noise Cancell Function)

    Contents Preparation Connections Operation Troubleshooting Appendix Decreasing outside noise (Noise cancell function) Turn the noise cancelling function toggle switch on. The Charge/NC indicator lights white when the switch is turned on.
  • Page 22: Conducting Phone Calls

    Contents Preparation Connections Operation Troubleshooting Appendix Conducting phone calls Calls can be made while you are wearing the headphones. You can hear Answering an incoming call the caller’s voice through the headphones, and your voice is picked up by the built-in microphone in the headphones. The paired Bluetooth When an incoming call is received, audio playback is paused and the ring compatible mobile phone is controlled using the Call button.
  • Page 23: Using The Call Waiting Function

    Contents Preparation Connections Operation Troubleshooting Appendix Using the call waiting function Ignoring an incoming call If you receive a call while another call is already in progress, you can place Press and hold the call button for approximately 3 seconds when an the current call (call A) on hold and switch to the new call (call B).
  • Page 24: Other Operations

    Contents Preparation Connections Operation Troubleshooting Appendix Other operations Incoming call Answer Press the call button once detected In standby mode/ Voice dial/ Press and hold the call During audio Voice activated call button playback End call Press the call button once Call in progress Mute on/off Press the call button twice...
  • Page 25: Information

    Contents Preparation Connections Operation Troubleshooting Appendix Information Airplane use Storage in the carrying case Use the supplied audio cable and conversion plug for aircraft use in order Remove the cable and plug from the headphones, fold and insert them to listen to the on-board audio services on an aircraft. into the case.
  • Page 26: Troubleshooting

    Contents Preparation Connections Operation Troubleshooting Troubleshooting Appendix Troubleshooting If the headphones do not operate correctly, first check the following items. Symptom Cause / Solution Page The Bluetooth function of the Connect the headphones to a computer using the supplied USB cable to charge the battery. headphones does not switch Cannot pair a Bluetooth Move the Bluetooth device that you want to connect closer to the headphones.
  • Page 27: Appendix

    Contents Preparation Connections Operation Troubleshooting Appendix Symptom Cause / Solution Page Cannot operate the Bluetooth Remove the cable from the headphones if the headphones and Bluetooth device are connected using a device using the headphones. cable. The Bluetooth function of the headphones is automatically turned off when the headphones are connected using a cable.
  • Page 28: Precautions For Use

    Contents Preparation Connections Operation Troubleshooting Appendix Appendix Precautions for Use Be sure to read the Owner’s Manual of the device that you want to connect. Check the volume settings when using the headphones on public transport or in public places and make sure you do not disturb people around you. These headphones are not guaranteed to work with all combinations of Bluetooth devices/mobile phones.
  • Page 29: Disposal Of These Headphones

    Appendix Disposal of these headphones Trademark information The rechargeable battery built into these headphones can be recycled. Contact the Denon Customer Service Center for details on disposing of these headphones. The Bluetooth ® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc.
  • Page 30: Specifications

    Contents Preparation Connections Operation Troubleshooting Appendix Specifications o Headphone section Type: Dynamic type Drive units: 40 mm Input impedance: 100 Ω/ohms (Power on) Sensitivity: 102 dB/mW Maximum input: 1,000 mW Playback frequency: 5 – 40,000 Hz o Bluetooth section Compatible standards: Bluetooth 4.0 dual mode Transmission power: Max.
  • Page 31 Contents Preparation Connections Operation Troubleshooting Appendix o General Operating temperature range: 5 ℃ - 40 ℃ Power supply: DC 3.7 V (internal lithium polymer rechargeable battery) Weight: 275 g z For purposes of improvement, specifications and design are subject to change without notice.
  • Page 33 D&M Holdings Inc. www.denon.com 3520 10367 00AD...