Introduction Thank you for purchasing this Audio-Technica product. Before using the product, please read through the Quick Start Guide and Caution Guide, as well as this user manual when necessary, to ensure that you use the product correctly. Safety precautions Although this product was designed to be used safely, failing to use it correctly may result in an accident.
Safety precautions Cautions for rechargeable battery The product is equipped with a rechargeable battery (lithium polymer battery). • If battery fluid gets into eyes, do not rub them. Rinse • Do not use, leave or store the battery in the following places: –...
Notes on use • Be sure to read the connected device’s user manual before use. • This product can be used to talk on the phone only when using a mobile telephone network. Support for telephony apps that use a •...
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.
Part names and functions Headband L/R (left/right) indicator Slider Joint Earpad Housing A built-in microphone (for talking) is integrated into the L (left) housing. Touch panel (L) Multi-indicator lamp Used to play/pause music and video, Displays the operating status answer/end phone calls, adjust the and battery level of the product.
Charging the battery • Fully charge the battery when using it for the first time. • When the rechargeable battery is running low, the product will sound 2 sets of 2 beeps through the headphones, and the multi-indicator lamp will flash in red. When these beeps sound, charge the battery. •...
ATH-ANC900BT 3. Select “ATH-ANC900BT” to pair the product and your Bluetooth device. • Some devices may ask for a passkey. In this case, enter “0000”. The passkey may also be called a passcode, PIN code, PIN number, or password.
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.
Using the product Swivel mechanism You can fold the housing so that it lies flat. After folding it flat, you can also fold the housing inside the headband. • The swivel mechanism cannot rotate more than 90 degrees. Do not apply excessive force to this mechanism. Joint “R”...
Using the product Listening to audio • To connect for the first time, pair the product and your device via Bluetooth wireless technology. Once they are paired, turn on the Bluetooth device’s Bluetooth connection, and then turn on the product. •...
Using the product Using ambience control The product features the ambience control reducing or capturing the ambient sound, such as the noise-cancelling function (hereinafter referred to as noise-cancelling) or hear-through function (hereinafter referred to as hear-through). You can turn the noise-cancelling function on or off by covering the 3 points on the touch panel with your palm when the power of the product is on as shown in the figure.
Using the product Talking on the phone • If your Bluetooth device supports telephone features, you can use this product to talk on the phone. • When your Bluetooth device receives a phone call, the product’s ringtone sounds. • If a call is received while you are listening to music, music playback is paused. When you finish the call, music playback resumes.* When Operating position...
Using the product Quick hear-through function The volume is turned down to capture the ambient sound. It is useful when listening to speaking voice, or announce in train quickly. 1. Press the sub switch button. • When quick hear-through function is on, the function indicator flashes in green.
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Cleaning Get into the habit of regularly cleaning the product to ensure that it lasts for a long time. Do not use alcohol, paint thinners or other solvents for cleaning purposes. • To clean the product, wipe it with a dry cloth. •...
Troubleshooting Problem Solution 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. •...
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Troubleshooting SBC priority connections (for when sound is delayed significantly) When the connection codec is AAC, significant sound delays can be alleviated by changing the connection codec to SBC, which comes standard with Bluetooth devices.* Connecting to an SBC priority connection When the pairing with a Bluetooth device has been completed 1.
Multi-indicator lamp display The indicator lamp of the product indicates the product’s status as explained below. Status Multi-indicator lamp display pattern White Flashing in intervals Searching for device of 0.5 seconds Pairing Searching for device Flashing 2 times (when using an SBC priority in intervals of connection) 0.5 seconds...
Specifications Headphones Type Active noise-cancelling Driver 40 mm Sensitivity 98 dB/mW (When noise-cancellation used)* 95 dB/mW (When noise-cancellation not used)* Maximum input power 1,000 mW* Frequency response 5 to 40,000 Hz Impedance 150 ohms (When noise-cancellation used)* 35 ohms (When noise-cancellation not used)* Microphone Type Electret condenser...
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