Audio-Technica ATH-BT03 User Manual

WIRELESS STEREO HEADSET

ATH-BT03

INSTRUCTIONS

This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful
interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one
or more of the following measures:

-Reorient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.

-Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of FCC Rules and RSS-Gen of IC Rules. Operation is
subject to the following conditions: (1) this device may not cause harmful interference,
and (2) this device must accept any interference received, including interference that
may cause undesired operation of this device.

You are cautioned that any changes or modifications not expressly approved in this
manual could void your authority to operate this equipment.

Note

Information

Verifying package contents

• XS size x 2 pcs

• S size x 2 pcs

• M size x 2 pcs

• L size x 2 pcs

This product is supplied with the
M size earpieces on the product.

Earpieces (ER-CKM55)

Charging USB cable (1.0 m)

ATH-BT03

Before you start using the product, make sure that all the following articles have been
supplied. If any article is not supplied or is damaged, contact your Audio-Technica
dealer.

Headset parts

■Headphones

Housing

External
view

Earpieces

L/R display

Bushing

60 cm cord

Slider

Reset button

For details,
see page 13.

■Control

Operation button
Use to listen to music

or make a call.

Microphone

Call button
Press to make a call.

Clip

LED (red)
LED (blue)

Micro USB
　jack

Pairing
　button

Cap

Release the cap
from the claw.

Power/Effect button

Turns this product on and off.
Doubles as a 3D BASS effect mode switch*.
* For details, see 3D BASS effect function on page 9.

Press and hold the Power/Effect
button for three seconds or longer.

Pairing

Use this procedure to pair devices beforehand to allow them to communicate with each
other. devices should first be paired before connection. To hear the verifying
beep of pairing, put on the headphones before you start the pairing procedure.

※

For information on how to put on the headphones, see “Listening to music” on page 7.

※

Also read the instruction manuals supplied with the products that are to be connected.

1. Place the devices within one meter of each other.

2. With the product in power off mode, press and hold the Power/Effect button for three
seconds or longer. The blue LED will blink three times as the product is turned on.

3. Press and hold the Pairing button for three seconds or longer to activate the pairing
mode.
A beep sound will be heard to indicate that pairing has started.
The red and blue LEDs will blink alternately during pairing.
※Pairing may take a while.

4. Perform pairing on the other device to find the product.
The screen of the other device will display a list of found devices.
This product will appear as “ATH-BT03” on the screen.

5. Select “ATH-BT03” displayed on the screen of the other device.

※When you are prompted for a pass code on the screen of the other device,
enter 0000.

When the blue LED changes to slow blinking, pairing is complete.

■Operation during pairing

The red and blue LEDs will blink
alternately during pairing.

Press and hold the Pairing button
for three seconds or more.

The frequency band used by the product is also used by microwave ovens and other
industrial, scientific and medical instruments as well as short range wireless base stations
for identifying mobile devices (requires a license) on plant production lines, specified low
power base stations (does not require a license) and amateur radio stations (requires a
license).

1. Before using this product, make sure there are no short range wireless base stations for
identifying mobile devices, specified low power base stations or amateur radio stations
nearby.

2. In the unlikely event that use of this product causes serious interference with a short
range wireless base station for identifying mobile devices, stop transmitting radio waves
immediately. Then contact your Audio-Technica dealer regarding interferences
countermeasures (for example, installing partitions, etc.) to prevent interferences.

3. Also contact your Audio-Technica dealer regarding other problems involving serious
interference with a short range wireless base station for identifying mobile devices and
amateur radio stations or questions regarding such
interference.

devices

Supported version and profile

● Available operating range
The product operates up to 10 meters from a transmitting 　　　　device, however
obstacles between the transmitting device and the product or the structure of
the building you are in may reduce the operating distance.

● Interference with other devices
Microwave ovens, digital cordless phones, devices using wireless LAN, 　　　　devices
and other devices using the same 2.4 GHz frequency band may cause dropouts. Similarly,
since this product will also interfere with such devices, it is essential that devices that are
likely to interfere with each other are kept apart.

● Note that Audio-Technica accepts no liability whatsoever for leakage of data during
transmission.

This product supports the following version and profile.

■Communication system: Ver. 2.1 + EDR

■Compatible Profiles:

• A2DP (Advanced Audio Distribution Profile): Sends and receives stereo quality audio data

• AVRCP (Audio Video Remote Control Profile): Play, stop, skip, volume control and other AV
device controls

• HSP (Headset Profile): Making calls, receiving incoming and making outgoing mobile phone
calls

• HFP (Hands-Free Profile): Making hands-free calls and receiving incoming and making
outgoing mobile phone calls with hands-free

Charging

Operating time*

Continuous transmission (including music playback time): Max. 6 hours
Continuous standby time: Max. 200 hours

※ The above figures depend on operating conditions.

● The following conditions during charging may cause the red LED to go off before charging
completes.
・ At temperatures outside the operating temperature range (5 to 45°C)
・ The rechargeable battery is defective

If this happens, charge the battery again at the temperature range above. If the battery still
cannot be recharged, contact your Audio-Technica dealer.

● The rechargeable battery may not operate long on the first charge and when it has been
recharged after a long period after not being used. After repeated charging and discharging,
it will become possible to adequately charge the battery.

● The rechargeable battery has reached the end of its service life when battery operating
time after charging shrinks to about half of what it first was. Contact your Audio-Technica
dealer to have the rechargeable battery replaced.

● Do not expose the battery to sudden temperature changes, direct sunlight, condensation,
sand, dust or electrical shocks. Never leave it in a parked car.

● The battery will not be properly charged if the product or the PC enters an energy saving
mode during charging. Check PC settings before connecting the product to a PC. The red
LED will go off automatically also when the PC enters an energy saving mode. Should this
happen, recharge the battery.

● Connect the product directly to the PC using the supplied USB cable. Do not use a USB
hub or USB extension cable to connect to a PC. Be sure to fully insert the plug of the USB
cable into the USB port.

Lithium polymer rechargeable battery is used for this headset. When disposing of this headset,
please comply with local regulations.

Charging USB cable

When battery power is low

A warning sound is heard and the red LED and the blue LED both blink at 0.5 second intervals.
When the battery becomes completely depleted, an ending sound is heard and the power is
automatically turned off.
When the LED start blinking, charge the product according to the above instructions.

USB port

Connection diagram

PC

Micro USB
jack

When charging starts,
the blue LED blinks and
the red LED lights.

This product is not charged when purchased.
You must charge the product before you can start using it.

1. Remove the cap from the product and connect the supplied USB charging cable to the
micro USB jack.

2. Correctly connect the USB charging cable to the USB port of a PC*1.

3. When charging starts the blue LED blinks and the red LED lights. After about three to four
hours of charging the red LED will go off indicating that charging is completed. *2

※ 1 If the USB cable is not properly connected, the red LED on the case blinks.
※ 2 This is the time it normally takes to charge an empty battery.
　　 If power from the last charge remains, charging will end sooner.

When connection history data in the other device has been deleted.

devices that have been paired may have to be paired again under the
following conditions

●When 9 or more devices have been paired

(The product allows pairing for up to 8 devices. When you pair an additional device
after having paired the product with 8 devices, this pairing will overwrite the oldest
pairing data.)

When the pairing data in the product has been deleted due to a repair, for example.

●

●

Continued on overleaf

※To connect to multiple profiles, the paring procedure in steps 4 and 5 will have to be
repeated several times.
※Some devices perform connection automatically to load a compatible profile.
For details, refer to the instruction manual supplied with your mobile phone.
※If pairing is not completed within five minutes, the product will terminate pairing mode
and shut down. Should this happen, perform the pairing procedure again.
※The Reset button (--> page 13) cannot be used to delete pairing data.

Thank you for purchasing this headset. Before using this headset, please read through
these operating instructions to ensure that you will use the headset correctly.

The left earpiece has
a protruding part.

Listening to music

Confirm the following before starting to use.

●The transmitting device is on.

●This product and the transmitting device have been paired.

●The transmitting device supports the music transmission function
(profile: A2DP*)
※For information on profiles, refer to “Supported

version and profiles” on page 2.

This product supports SCMS-T, a content protection method for wireless
technology. It allows you to listen to music (or audio) from mobile phones, One-Seg
TVs and other devices that support SCMS-T.

1. Put on your headphones as shown in the figure
on the right. Place the left headphone (marked L)
in your left ear and the right headphone (marked R)
in the right ear.

2. With this product in power off mode, press and hold
the POWER/EFFECT button for three seconds or
longer. The startup chime sounds and the blue LED
will blink three times as this product is turned on.

3. Refer to the instruction manual of the transmitting
device to connect the
device.

4. Start playback on the transmitting device.
The blue LED blinks during connection.

: Briefly press - Reverse / Press

-and hold - Fast backward

Controlling a transmitting device

If the transmitting device supports operation control functions
( profile: AVRCP), you can use the Operation button on this
product to control the transmitting device*.
Some transmitting devices may not
support this function.

-Briefly press the center, the of the Operation
button to play and pause

-Press and hold the of the Operation button to

stop

-Briefly press the of the Operation button to
forward tracks/and press and hold for fast forward

-Briefly press the of the Operation button to

reverse tracks/and press and hold for fast backward

Operation button

Operation function on
transmitting device

: Briefly press - Play/Pause
: Press and hold - Stop
: Briefly press - Forward / Press

and hold - Fast forward

Press the top and bottom of the Operation
button to adjust the sound volume.
Press the top (+) of the Operation button to
increase the sound volume and press the
bottom (-) to decrease it. Pressing and holding
the Operation button will also allow you to adjust
the volume*.
＊A warning beep is heard when maximum or
minimum sound volume is selected and the
sound cannot be set any higher or lower.

UP

DOWN

Sound volume adjustment
using Operation button

To adjust the volume

Press the top of the button to
increase sound volume and press
the bottom of the button to lower it.

5. Turn off this product when you are through listening.
Set the transmitting device to disconnect connection.
After use, press and hold the Power/Effect button for three seconds or longer to turn
this product off.
The ending chime is heard and this product is turned off.

＊

This product uses the 2.4 GHz frequency band. Be sure to read and observe the
following instructions to prevent interference with other devices using this frequency
band.

Note

If this product fails to respond (to buttons being pressed, for example), use the Reset
button to clear up the problem. Use the steps below to reset this product using the
Reset button on the right side of the controller.

perform pairing again.

A2. Check whether the other device is a compatible device. Check compatibility.

A2. Check whether the battery is recharging. The power will not go on during charging.

1. With this product in power off mode, press and hold the POWER/EFFECT button for
three seconds or longer to turn the power on.

2. Refer to the instruction manual of the transmitting device to connect the
device.
“ATH-BT03” appears in the list on the mobile phone screen.
When a mobile phone supporting HFP and HSP is used, connect using HFP.

Making calls

Before making calls on a mobile phone with , confirm the following.

● The on the mobile is enabled.

● This product and the mobile phone have been paired and set to use
HSP or HFP.

For details on profiles, see “Supported version and profile” (--> page 2).

Power/Effect button

Receiving phone calls

When there is an incoming call, a ring tone is
heard from the headphones.
Press the Call button to take the call.

Press and hold the Call button for two seconds
or longer to reject a call.

Making a call

Use your mobile phone to make a call.
If you cannot hear the dial tone from this product,
press and hold the Call button for two seconds or
longer.

Redialing a call

Press and hold the Call button for two seconds or longer when the mobile phone is in
standby mode.
The phone dials last dialed number again.
The procedure for redialing may differ depending on mobile phone.
Use the top and bottom part of the Operation button to adjust the sound volume.

Ending a call

Press the Call button on this product to end the call.

Set the transmitting device to disconnect connection.
After use, press and hold the POWER/EFFECT button for three seconds or longer to turn
this product off.

After use

Microphone

Operation button

Press the top or
bottom of the button
to adjust the sound
volume

Call button

Calls during music playback

To call during music playback requires not only A2DP, but also HFP or HSP
connection.

Use the steps described under “Making calls” (on page 10) using HFP or HSP to make a
connection from your mobile phone.

For details, refer to the instruction manual supplied with your mobile phone.

Operate the device (portable player or mobile phone) that plays back music to
establish a connection using A2DP with this product.

Redialing during music playback

Press and hold the Call button for two seconds
or longer during music playback to redial.
The music pauses while a call is made to the last
dialed phone number.

Receiving a call during music playback

When an incoming call is received, the music
pauses and the ring tone is heard from the
headphones of this product.

1. Press the Call button on this product to take the call.

2. When the call ends, press the Call button to end it.
This product resumes music playback.

Call button

Operation button

Press the top or
bottom of the button
to adjust the sound
volume.

Pause music playback.

When the ring tone is heard, press the Call button to take the call.

If the ring tone cannot be heard during music playback, use the following steps.

Cleaning

Get into the habit of regularly cleaning your headphones to ensure that they will
last for a long time. Do not use alcohol, paint thinners or other solvents for cleaning
purposes.

Controller

To clean, wipe with a dry cloth.

Headphones

To clean, wipe with a dry cloth. Do not touch the parts used
for sound reproduction ( see figure at right) as they are delicate.
Damage to the headphones may result.

Side view of
headphones

Sound
producing
part

Cords

Wipe away perspiration and any other dirt with a dry cloth after
use.
Cords that are not cleaned may deteriorate and cause a malfunction.

Earpieces

Remove a worn earpiece and replace it with a new one as
shown in the figure on the right. Be sure to fully insert the
earpiece so that it is flush with the base of the earpiece.

Size and type of earpieces

Unless the earpieces properly fit the ear, you will not hear the bass properly.
This product comes with four sizes of silicon earpieces: XS, S, M and L. The medium
sized earpieces are attached to the earpieces at shipment.
The earpieces must fit the inner ear to provide a high quality music experience.
If the medium sized earpieces do not fit, change to a size that does.

Cleaning procedure

Remove earpieces from the headphones and clean them
with a diluted detergent. After cleaning, dry before use.

Replacing earpieces

CAUTION

The earpieces pick up dirt easily and should be regularly cleaned. If the earpieces are not
cleaned, the sound producing parts may become contaminated and sound quality will degrade.
The earpieces are consumable parts and will deteriorate from storage and use. Earpieces that
no longer fit properly or show signs of wear should be replaced at the earliest opportunity.
Contact your Audio-Technica dealer for purchasing consumables and other parts.
Make sure that a removed earpiece is properly installed on the earpiece before use. Otherwise
the earpiece could be lodged inside the ear and would have to be removed to prevent injury or
disease.

Troubleshooting Guide

Q1. The power does not go on

A1. Check whether the battery is properly charged.

Q2. Pairing is not possible or does not complete

A1. Check whether this product and the other device are placed too far apart.

--> Place this product and the other device within one meter of each other and

A3. Check whether profiles have been set up.

--> Refer to the instruction manual of the other device to complete the profile
setup on that device.

Q3. A connection cannot be made

A1. Check whether this product and the other device are powered up.

--> If not on, turn them on.
A2. Check whether the function on the other device is enabled.

--> Enable the function.

Q4. No music output

A1. Check whether this product and the other device are powered up.

--> If not on, turn them on.
A2. Check whether this product and the other device are connected using A2DP.

--> Connect using A2DP.
A3. Check whether the other device is playing back music.

--> Set it to play back music.
A4. Check whether the sound volume on this product or the connected device is too low.

--> Turn up the sound volume.

Q5. The music is distorted and plagued by dropouts.

A1. Check whether there is a microwave oven or wireless device operating on the 2.4 GHz
wave band near this product or the other device.

--> If there is, move them further away.
A2. Check whether the 3D BASS Effect function is on.

--> The 3D BASS Effect may distort some music sources. If this happens, turn the 3D BASS

A3. Check whether multiple applications are running on the other device.

--> Some mobile phones when connected to this product may cause dropouts in music and
speech if multiple applications are simultaneously running on the phone.

A4. Check if the other device is too far away.

--> Move the other device within transmission distance of this product.

Q6. Poor music sound quality

A1. Confirm whether this product and the other device have connected using HSP.

--> Switch connection to A2DP.

Q7. The other party cannot be heard during a phone call

A1. Check whether this product and the mobile phone of the other party are
powered up. --> If not on, turn them on.
A2. Confirm whether this product and the other device have been connected
using HFP or HSP. --> Make connection using HFP or HSP.
A3. Confirm whether the voice setting of the mobile phone of the other party is
set to use this product during a call.

--> Set the voice setting of the mobile phone to use this product.
A4. Check whether this product sound volume is set too low. --> Turn up the sound volume.
A5. Check whether the sound volume of the connected mobile phone is set too low.

--> Turn up the sound volume.

Q8. Transmission distance during a call is too short

A1. A microwave oven or wireless equipment using the 2.4 GHz band are used near this
product and the other device. --> Place the devices further apart.
A2. Place this product closer to the other device.

Q9. Cannot charge

A1. Confirm whether the USB cable between this product and the PC is properly connected.

--> Be sure to fully insert the cable plugs.
A2. Confirm whether the PC is turned on. --> Turn on the PC.
A3. Confirm whether the PC is in sleep mode. --> Check PC power settings.

Reset function

Reset button

1. Reset this product.

2. Insert a thin stick in the reset hole and press as
shown in the figure on the right until you can feel
the Reset button has been pressed. Pressing
the reset button will turn off this product.

This operation will not delete pairing data.

The word mark and logos are owned by the Bluetooth SIG,Inc. and any use
of such marks by Audio-Technica Corporation is under license. All other trademarks are
property of their respective owners.

Specifications

Control

Communication System
Output
Maximum communication range
Frequency band
Compatible Profiles
Support Codec
Supported content protection
method
Power source

Microphone element
Microphone direction
characteristic
Microphone sensitivity
Microphone effective frequency
range
Dimensions
Weight
Operating temperature
Accessories

Spare earpieces
(available separately)

: 　　　　Version 2.1+EDR
: Specification Power Class2
: Line of sight approx. 10 m
: 2.4 GHz band (2.402 GHz-2.480 GHz)
: A2DP, AVRCP, HFP, HSP
: SBC
: SCMS-T

: DC3.7V Built-in-lithium-polymer rechargeable
battery
: Electret condenser
: Omnidirectional

: -40 dB (1 V/Pa, at 1 KHz)
: 10-4,000 Hz

: W19×H64×D25 mm (excluding projecting parts)
: Approx. 15 g
: 5 ℃ to 45 ℃
: USB charging cable, Earpieces (XS/S/M/L)
: ER-CKM55 (XS/S/M/L)

Driver
Output sound pressure level
Frequency response
Impedance
Cord length
Weight
(For product improvement, this product is subject to modification without notice.)

Headphones

: Dynamic φ8.8 mm
: 100 dB/mW
: 20-20,000Hz
: 16 Ω
: 60 cm (Y-type)
: Approx. 6 g (including cord)

Effect function off.

3D BASS effect function

Use the POWER/EFFECT button to turn the 3D BASS effect function on and off.
The 3D BASS effect function employs SRS WOW HD technology developed by SRS
Labs, Inc.

The 3D BASS effect function is turned on by default.

WOW HD significantly improves the playback quality of audio, delivering
a dynamic 3D entertainment experience with deep, rich bass and high
frequency clarity for crisp detail.

WOW HD technology is incorporated under license from SRS Labs, Inc.

is a trademark or registered trademark of SRS Labs, Inc.

Using 3D BASS effect function

Briefly press* the POWER/EFFECT button during music playback, a beep is heard and the
blue LED goes on for one second.

The 3D BASS effect function is turned on by default.

Pressing and holding the Effect button for three seconds or longer will turn off the
headsets.

Blue LED

When the 3D BASS effect function is on,
the blue LED goes on for one second.
When the 3D BASS effect function is cancelled,
the red LED goes on for one second.

POWER/EFFECT
button

The 3D BASS effect may distort some types of music.
If this happens, turn the 3D BASS effect function off.

Briefly press the button to turn on the 3D BASS effect function during music playback.

Pressing the POWER/EFFECT button briefly again will result in two beep sounds and the
red LED will go on for one second indicating the 3D BASS effect function has been cancelled.

⑮

TM

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