Audio Technica ATH-CKR70TW User Manual
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Audio Technica ATH-CKR70TW User Manual

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ATH-CKR70TW
Wireless Headphones
User Manual
 
 
English

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Summary of Contents for Audio Technica ATH-CKR70TW

  • Page 1 ATH-CKR70TW Wireless Headphones User Manual     English...

  • Page 2: Safety Precautions

    Safety precautions Although this product was designed to be used safely, failing to use it correctly may result in an accident. To ensure safety, observe all warnings and cautions while using the product. Cautions for the headphones Do not use the product near medical equipment. Radio waves may affect cardiac pacemakers and medical electronic equipment.

  • Page 3: Cautions For Rechargeable Battery

    Safety precautions Do not cover the product with a cloth to avoid fire or injury by overheating. When charging, make sure to use the included USB charging cable. Do not charge with devices that have quick-charge functionality (with a voltage of 5 V or more). Doing so may cause the product to malfunction.

  • Page 4: Notes On Use

    Notes on use Be sure to read the connected device’s user manual before use. Audio-Technica will not be liable in any way for any loss of data in the unlikely event that such losses should occur while using the product. On public transportation or in other public places, keep the volume low so as not to disturb other people.
  • Page 5 Notes on use Depending on your surroundings, the ambient sounds may be difficult to hear even when using the product’s hear- through function. Do not use the product in places that are dangerous if you cannot hear the surrounding sounds, such as places with heavy traffic.

  • Page 6: About The Active Noise-Cancelling Function

    About the active noise-cancelling function The product is designed to use its built-in microphone to pick up noise from the surrounding environment (noise from vehicles, noise from air conditioners, etc.) and to cancel out that noise by producing sounds in negative phase. This results in a reduction in the sounds in your environment.
  • Page 7 About water-resistant (drip-proof) performance The water-resistant (drip-proof) specification of this product applies only to the headphones, not the charging case. Although the headphones have water-resistant (drip-proof) capabilities equivalent to IPX4, the part where the sound comes from is not water-resistant (drip-proof). The water-resistant (drip-proof) performance is designed to protect the headphones if they get wet from rain, etc.

  • Page 8: For A More Comfortable Bluetooth Communication Experience

    For a more comfortable Bluetooth communication experience The effective communication range of this product varies depending on obstructions and radio wave conditions. For a more enjoyable experience, please use the product as close as possible to the Bluetooth device. To minimize noise and sound disruptions, avoid placing your body or other obstacles between the product’s antenna and the Bluetooth device.

  • Page 9: Part Names And Functions

    Part names and functions Headphones L/R (left/right) indicator Microphones Touch sensors Use to operate specific functions such as turning on/off the hear-through function or quick hear-through function. Multifunction buttons Use to play/pause music, answer phone calls, and adjust the sound volume. The L (left) side has a protrusion for distinguishing between the left and right.

  • Page 10: Charging Case

    Part names and functions Charging case Cover Charging indicator lamps Light/flash when charging the charging case. Also display the battery level of the charging case. Battery jack Use to connect the included USB charging cable and charge the product. Accessories ™...
  • Page 11 Part names and functions Eartips (XS, S, M, L) At the time of purchase, the M-size eartips are attached to the product.

  • Page 12: Charging The Battery

    Charging the battery Fully charge the battery when using for the first time. When the rechargeable battery is running low, the voice guidance will play the message “Low battery”, and the indicator lamp will flash in red. Charge the battery as soon as possible. It takes about 1.5 hours to fully charge the headphones, and about 2 hours to fully charge the charging case.
  • Page 13 Charging the battery Charging indicator lamp Status Flashes/lights in white (The four charging indicator lamps light or flash Charging according to the battery level.) Lights in white for 10 seconds, and Charging complete then turns off All four indicator lamps flash white Charging error quickly [1] The charging case or headphones may be hot.
  • Page 14 Charging the battery Indicator lamps Indicator lamp Status Lights in white Charging Charging complete / Charging case battery has no power Checking the battery level of the charging case When opening/closing the cover of the charging case, the four charging indicator lamps light to indicate the battery level of the charging case.

  • Page 15: Power Supply On/Off

    Power supply ON/OFF Turning on the product Remove the headphones from the charging case.   The power will turn on automatically, and the indicator lamps will light in white and then flash. Voice guidance is played and the noise-cancelling function automatically turns on. Press the multifunction buttons to turn the power on manually.

  • Page 16: Connecting Via Bluetooth

    “R_ATH-CKR70TW” will be displayed on the device. Depending on the order the L (left) and R (right) side headphones are removed from the charging case, “L_ ATH-CKR70TW” may be displayed. For information about using your Bluetooth device, refer to the device’s user manual.

  • Page 17: About Pairing

    If only one headphone is removed from the charging case, pairing will be performed with either “L_ATH- CKR70TW” or “BLE_L_ATH-CKR70TW” displayed for the L (left) side, or “R_ATH-CKR70TW” or “BLE_R_ ATH-CKR70TW” displayed for the R (right) side. About Qualcomm TrueWireless™ Stereo Plus The product supports Qualcomm TrueWireless™...

  • Page 18: Wearing The Product

    Wearing the product Insert the side of the product marked “L” (left) into the left ear and the side marked “R” (right) into the right ear.
  • Page 19 Ear detection function The product has a built-in sensor. The sensor detects when the product is removed from or inserted into the ear, and automatically performs operations during music playback. Unlocking When removing the headphones from the charging case, the multifunction buttons and touch sensors are locked to prevent erroneous operations.
  • Page 20 Ear detection function Turning ear detection function on/off The ear detection function can be turned on or off. When the function is turned off, the multifunction buttons and touch sensors will remain unlocked, enabling button and touch operations without having to insert the headphones into your ears.

  • Page 21: Touch Sensors

    Touch sensors The product has touch sensors. When performing operations, touch the sensors using the pad of your finger, not the fingertip. Operate the touch sensor with one finger. Operating with a sharp-tipped object, such as a ballpoint pen or pencil, may result not only in incorrect operation, but also damage to the touch sensor.

  • Page 22: Using The Product

    Using the product The product can use Bluetooth wireless technology to connect to your device and play music, receive phone calls, etc. Use the product for whichever of these purposes suits your needs. Note that Audio-Technica cannot guarantee the operation of displays, such as the battery level display, or applications via Bluetooth devices. Listening to music To connect for the first time, pair the product and your device via Bluetooth wireless technology.

  • Page 23: Talking On The Phone

    Using the product R (right) side headphone multifunction-button operation Multifunction button Operation Function Press Starts or pauses playback. Press (twice) Plays the next track. Press (three times) Plays the previous track / returns to the start of the track. The controls explained above may not be available on some smartphones. L (left) side headphone multifunction-button operation Multifunction button Operation...
  • Page 24 Using the product Remove the headphones from the charging case and place them in your ears.   Make sure the headphones are correctly oriented when placing them in your ears. For details, refer to "Notes for talking on the phone" (p. 23). Make/receive calls with your Bluetooth device.
  • Page 25 Using the product R (right) side headphone multifunction-button operation Multifunction button Operation Function Press Receiving a call: Answers the call. Press (twice) Mutes the microphone. Receiving a call: Rejects the call. Press and hold (about 2 seconds) Making a call: Cancels the call. During a call: Ends the call.
  • Page 26 Using the product L (left) side headphone multifunction-button operation Multifunction button Operation Function Receiving a call: Answers the call. Press During a call: Increases the call volume by 1 level. Press (twice) During a call: Decreases the call volume by 1 level. Receiving a call: Rejects the call.

  • Page 27: Auto Power Off Function

    Using the product Ambience control The product includes an ambience control function for switching between the noise-cancelling function and hear- through function. The functions can be switched from noise-cancelling (default), to hear-through, or off. Touch the touch sensor on the L (Left) side headphone twice in a row.  ...

  • Page 28: App For Smartphones

    Using the product When the headphones are not inserted into the ears and are not connected to a Bluetooth device for 5 minutes When the headphones are not inserted into the ears after pairing is performed and music is paused for 30 minutes The auto power off function is turned off when the ear detection function is turned off.

  • Page 29: Indicator Lamp Display

    Indicator lamp display Pairing Status Indicator lamp display pattern ○ - ○ - ○  ・ ・・ Flashing white (gradually lighting up) Searching for devices (The indicator lamp on one side will flash white quickly, and the other will flash white slowly.) Connecting Status Indicator lamp display pattern ○○----○○----○○ ...

  • Page 30: Voice Guidance

    Voice guidance The product plays English voice guidance in the following situations. Situation Voice guidance Voice guidance varies depending on the battery level. Battery level high Power is turned on Battery level medium Battery level low Bluetooth is connected Bluetooth connected Bluetooth is disconnected Bluetooth disconnected Noise-cancelling function on...
  • Page 31 Cleaning Get into the habit of regularly cleaning the product to ensure that it will last for a long time. Do not use alcohol, paint thinners, or other solvents for cleaning purposes. Wipe any dirt off the headphones and charging case with a dry cloth. The headphones may not operate correctly or may not turn on if they are wet.

  • Page 32: Eartip Size

    Eartips Eartip size The product includes silicone eartips in 4 sizes (XS, S, M, and L). At the time of purchase, the M-size silicone eartips are attached. To ensure the best sound quality, select the eartip size that is best suited for you, and adjust the eartips inside your ears for a snug fit.
  • Page 33 Forced pairing mode / reset If the product does not connect to a device (forced pairing mode) If pairing cannot be cancelled or is not successful, you can use forced pairing mode to perform pairing again. About 5 seconds after both headphones (L (left) and R (right) sides) are placed in the charging case (with  ...

  • Page 34: Troubleshooting

    Troubleshooting Power is not supplied Charge the product. Unable to pair Confirm that the Bluetooth device communicates using Ver. 2.1+EDR or higher. Place the product and the Bluetooth device within 1 m (3.3') of each other. Set the profiles for the Bluetooth device. For procedures on how to set profiles, refer to the Bluetooth device’s user manual.
  • Page 35 Troubleshooting Place the headphones in the charging case and close the cover, then remove the headphones and perform the operation again. ™ When using a Bluetooth device that supports Qualcomm TrueWireless Stereo Plus, only one headphone may be connected in rare cases. In such cases, unpair the product using the Bluetooth device and then pair the product again.
  • Page 36 Troubleshooting The charging case or headphones may be hot. Allow the temperature of the product to cool sufficiently before charging in a well-ventilated place (10 to 35°C (50 to 95°F)) away from direct sunlight. Headphones cannot be charged Make sure that the product is placed in the charging case correctly. Make sure to close the charging case cover when charging.

  • Page 37: Communication Specifications

    Specifications Headphones Type Dynamic Driver 5.8 mm Sensitivity 100 dB/mW Frequency response 20 to 25,000 Hz Impedance 16 ohms Microphone Type MEMS type Polar pattern Omnidirectional Sensitivity −38 dB (1 V/Pa, at 1 kHz) Frequency response 100 to 10,000 Hz Communication specifications Communication system Bluetooth version 5.0...
  • Page 38 Specifications Other Headphones: DC 3.7 V lithium ion battery Power supply Charging case: DC 3.7 V lithium ion battery Headphones: Approx. 1.5 hours Charging time Charging case: Approx. 2 hours Continuous transmission time (music playback): Max. approx. 7 hours Operating time (headphones) Max.
  • Page 39 Trademarks The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc., and any use of such marks by Audio-Technica Corporation is under license. Other trademarks and trade names are those of their respective owners. ™ USB Type-C is a trademark of USB Implementers Forum.
  • Page 40 株式会社オーディオテクニカ 〒194-8666 東京都町田市西成瀬2-46-1 www.audio-technica.co.jp Audio-Technica Corporation 2-46-1 Nishi-naruse, Machida, Tokyo 194-8666, Japan www.audio-technica.com ©2021 Audio-Technica Corporation ver.1 2020.12.15 Global Support Contact: www.at-globalsupport.com 132417440-02-02 ver.2 2021.01.01...

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