Sony Headphones DRBT21GB User Manual

3-095-524-11(1)  
Wireless Stereo  
Headset  
Operating Instructions  
DR-BT21G  
©2007 Sony Corporation  
 
Disposal of Old  
Electrical &  
Electronic  
Table Of Contents  
Equipment  
(Applicable in the  
European Union and  
other European  
countries with  
separate collection  
systems)  
Welcome! .......................... 4  
3 steps to Bluetooth function .... 5  
Location and Function of  
Parts............................... 6  
Folding and unfolding the  
headset .................................. 7  
This symbol on the product or on its  
packaging indicates that this product shall  
not be treated as household waste. Instead  
it shall be handed over to the applicable  
collection point for the recycling of  
electrical and electronic equipment. By  
ensuring this product is disposed of  
correctly, you will help prevent potential  
negative consequences for the  
Charging the unit ............. 8  
Pairing ............................. 10  
What is pairing? ...................... 10  
Procedures of pairing .............. 10  
environment and human health, which  
could otherwise be caused by  
inappropriate waste handling of this  
product. The recycling of materials will  
help to conserve natural resources. For  
more detailed information about  
recycling of this product, please contact  
your local Civic Office, your household  
waste disposal service or the shop where  
you purchased the product.  
Wearing the headset ...... 12  
Indications of Bluetooth  
function ....................... 13  
Listening to music ......... 14  
Controlling the audio device –  
AVRCP ............................... 15  
Calling ............................. 16  
Controlling the Bluetooth mobile  
phone – HFP, HSP .............. 18  
Calling while playing  
back music .................. 19  
Disposing of the unit ..... 20  
Precautions .................... 21  
What is Bluetooth wireless  
technology? ................ 23  
Troubleshooting ............. 24  
Initializing the unit ......... 26  
Specifications ................. 27  
3
 
Welcome!  
Thank you for purchasing this Sony Wireless Stereo Headset. This unit uses  
Bluetoothwireless technology.  
Enjoy music wirelessly with a Bluetooth music player.*1  
Hands-free conversation can be enjoyed on your Bluetooth mobile phone  
without taking it out of your bag.*2  
For convenience, you can remotely operate the basic functions of a  
Bluetooth music player (Play, Stop, etc.).*3  
Useful rechargeable function.  
Convenient foldable type for easy carrying.  
For details on Bluetooth wireless technology, see page 23.  
Listening to music  
Talking on the phone  
1
*
*
*
The connected Bluetooth device is required to support A2DP (Advanced Audio  
Distribution Profile).  
The connected Bluetooth device is required to support HSP (Headset Profile) or HFP  
(Hands-free Profile).  
The connected Bluetooth device is required to support AVRCP (Audio Video Remote  
Control Profile).  
2
3
4
 
3 steps to Bluetooth function  
Pairing  
First, register (pair) a Bluetooth device (mobile phone, etc.) and this  
unit with each other. Once pairing is established, there is no need for  
pairing again.  
Wireless Stereo  
Headset  
Bluetooth  
mobile phone,  
etc.  
Pairing  
c Page 10  
Listening to music  
V
CValling  
Bluetooth connection  
Operate the Bluetooth device to  
make the Bluetooth connection.  
Bluetooth connection  
When the unit is turned on, the  
unit starts making the Bluetooth  
connection to the recognized  
mobile phone automatically.  
Connection  
A2DP  
AVRCP  
Connection  
c Page 14  
HFP  
HSP  
c Page 16  
V
Listening to music  
You can listen to music played on  
the Bluetooth device.  
V
Talking on the phone  
You can make and receive a call  
by operating this unit.  
Playback, stop, or pause is  
possible from this unit.  
Music  
Voice  
c Page 14 - 15  
c Page 17 - 19  
5
 
GETTING STARTED  
Location and Function of Parts  
1 Indicator (blue)  
Indicates the communication  
status of the unit.  
6 VOL (volume) +*⁄–  
buttons  
7 Neckband  
2 Indicator (red)  
Indicates the power status of  
the unit.  
8 R (right) indication  
9 Left unit L  
3 Multi function button  
Controls various call functions.  
Press the button on the tactile  
dots.  
0 L (left) indication  
qa Ear pad  
qs Right unit R  
qd POWER button  
qf Microphone  
qg DC IN 3 V jack  
4 Jog switch  
Controls various functions  
when listening to music.  
5 RESET button  
Push this button when this unit  
does not operate properly.  
Pairing information is not  
deleted by this operation.  
* This button has a tactile dot.  
6
 
Folding and unfolding the headset  
Unfolding  
Folding  
1 Unfold the left and right  
neckband as illustrated.  
1 Hold near the foldable  
part with both hands  
and lift up the left unit to  
fold it as illustrated.  
Fold the right unit in the same  
manner.  
2 Lift up and open up the  
remaining half of the  
neckband.  
2 Close the folded left and  
right neckband.  
Notes  
Do not pull open this way.  
Be careful not to hit your face or eyes  
with the top of the neckband.  
7
 
Charging the unit  
The unit contains a rechargeable Lithium-Ion battery, which should be  
charged before using for the first time.  
1 Connect the supplied  
AC power adaptor to the  
DC IN 3 V jack on the  
unit.  
2 Make sure that indicator  
(red) lights up while  
charging.  
To an  
AC outlet  
Wireless Stereo  
Headset  
Charging is completed in about  
3 hours* and the indicator (red)  
goes off automatically.  
To DC IN  
3 V jack  
AC power  
adaptor  
(supplied)  
* Time required for empty battery to  
recharge.  
Caution  
When the AC power adaptor is  
connected to an AC outlet,  
charging starts.  
If this unit detects a problem while  
charging, the indicator (red) may  
turn off, although charging is not  
complete.  
Tip  
Check for the following causes:  
Ambient temperature exceeds the  
range of 0 °C 40 °C (32 °F –  
104 °F).  
If the AC power adaptor is connected  
to an AC outlet while the unit is  
turned on, the unit will be turned off  
automatically.  
There is a problem with the  
battery.  
In this case, charge again within the  
above-mentioned temperature range.  
If the problem persists, consult your  
nearest Sony dealer.  
8
 
Notes  
Checking the remaining  
battery  
When pressing the POWER button  
while the unit is turned on, the  
indicator (red) flashes. You can  
check the remaining battery by the  
number of times the indicator (red)  
flashes.  
If the battery is not used for a long time,  
battery may be quickly depleted,  
however, after a few recharges, battery  
life will improve.  
If the life of the built-in rechargeable  
battery drops to half the normal length,  
the battery should be replaced. Consult  
your nearest Sony dealer for  
replacement of the rechargeable battery.  
Avoid exposure to temperature  
extremes, direct sunlight, moisture,  
sand, dust or mechanical shock. Never  
leave in a car parked in the sun.  
Use only the supplied AC power  
adaptor. Do not use any other AC  
power adaptor.  
Indicator (red)  
3 times  
Status  
Full  
2 times  
Mid  
1 time  
Low (needs to  
charge)  
*
Usage hours  
Note  
Approx.  
usage hours  
Status  
You cannot check the remaining battery  
immediately after the unit is turned on, or  
while pairing.  
Communication  
time (including  
music playback  
time) (up to)  
11 hours  
When the battery is almost empty  
The indicator (red) flashes slowly  
automatically.  
When the battery becomes empty, a  
beep sounds and the unit will turn  
off automatically.  
Standby time  
(up to)  
100 hours  
* Time stated above may vary, depending  
on ambient temperature or conditions of  
use.  
9
 
Pairing  
What is pairing?  
Procedures of pairing  
Bluetooth devices need to be  
pairedwith each other  
beforehand.  
Once Bluetooth devices are paired,  
there is no need for pairing again,  
except in the following cases:  
Pairing information is deleted  
after repair, etc.  
This unit is paired with 9 or more  
devices.  
This unit can be paired with up to  
8 devices; if a new device is  
paired after 8 devices have been  
paired, the device whose latest  
connection time is the oldest  
among the 8 paired devices is  
replaced by the new one.  
When recognition of the unit by  
the device to be connected is  
deleted.  
1 Place the Bluetooth  
device within 1 m (3 ft)  
of this unit.  
2 Press and hold the  
POWER button for  
7 seconds or more to  
standby for pairing  
while the unit is turned  
off.  
This unit is initialized.  
All pairing information is deleted.  
Notes  
After about 3 seconds, power is  
turned on and the indicator (blue)  
and indicator (red) flash together  
twice. Keep the button pressed  
without releasing until both  
indicators start flashing together,  
then release the button. This unit  
enters into pairing mode.  
If pairing is not established within  
about 5 minutes, pairing mode will  
be cancelled and this unit will turn  
off. In this case, start over from  
step 1.  
10  
 
3 Perform pairing  
procedure on the  
Bluetooth device to  
When pairing with a  
Bluetooth device that  
cannot display a list of  
detected devices or that  
detect this unit.  
The list of detected devices  
appears on the display of the  
Bluetooth device. This unit is  
displayed as DR-BT21G.”  
If DR-BT21Gis not  
has no display  
You may pair the device by setting  
both this unit and the Bluetooth  
device to pairing mode. For details,  
refer to the operating instructions  
supplied with the Bluetooth device.  
displayed, repeat from step 1.  
Tips  
4 Select “DR-BT21G” on  
the display of the  
To pair with other Bluetooth devices,  
repeat steps 1 to 5 for each device.  
To delete all pairing information, see  
Initializing the unit(page 26).  
Bluetooth device.  
5 If Passcode* input is  
required on the display  
of a Bluetooth device,  
input “0000.”  
Pairing is complete when the  
indicator (blue) flashes slowly.  
The message standing for  
Pairing completeappears on  
the display of some Bluetooth  
devices.  
* Passcode may be called Passkey,”  
PIN code,” “PIN number,or  
Password.”  
6 Start the Bluetooth  
connection from the  
Bluetooth device.  
This unit memorizes the device  
as the last connected device.  
Some Bluetooth devices may  
connect with the unit  
automatically when pairing is  
complete.  
11  
 
Wearing the headset  
1 Place the neckband on  
3 Adjust the angle and  
the neck.  
position of the  
neckband so that the  
heaset is fitted  
comfortably on your  
ears.  
The unit with the POWER  
button is the right unit (for right  
ear).  
Neckband  
Left ear  
2 Lift up the headset  
slightly above the ear  
level, put down the  
neckband so that it  
hooks on your ears and  
put the ear pads on your  
ears.  
Ear pad  
12  
 
Indications of Bluetooth function  
B : Indicator (blue)  
R : Indicator (red)  
Status  
Searching  
Flashing patterns  
...  
...  
B
R
...  
Connectable  
– –  
– –  
– –  
– –  
– –  
B
R
...  
...  
Connecting  
– –  
– –  
– –  
– –  
– –  
– –  
– –  
– –  
– –  
– –  
B
R
...  
...  
...  
...  
HFP/HSP or A2DP  
– – – – – – – – –  
– – – – –  
B
(standby for receiving audio signal)R  
HFP/HSP and A2DP  
– – – – – – –  
– – –  
– – – –  
– – –  
B
(standby for receiving audio signal)R  
Listening  
– – – – – – – –  
B
R
Listening during standby  
for telephone call  
– – – – – – –  
B
R
...  
Incoming call  
B
R
...  
...  
Talking  
– – – – – – – –  
– – – – – – –  
– – – –  
– – –  
B
R
Calling while  
playing back music  
B
R
13  
 
OPERATING THE UNIT  
Listening to music  
VOL – button  
VOL + button  
2 Make the Bluetooth  
connection (A2DP) from  
a Bluetooth device to  
this unit.  
Refer to the operating  
instructions supplied with the  
Bluetooth device on how to  
operate it.  
POWER button  
FF  
3 Start playback on the  
Bluetooth device.  
Tip  
REW  
Bluetooth connection of A2DP  
(Advanced Audio Distribution Profile)  
can also be operated with the jog switch  
from this unit to the Bluetooth device  
except when making a call on this unit.  
Check the following before  
operating the unit.  
The Bluetooth device is turned  
on.  
Pairing of this unit and the  
Bluetooth device is complete.  
The Bluetooth device supports the  
transmitting music function  
(profile: A2DP*).  
Note  
When you play music by connecting the  
unit to a Bluetooth device using HSP  
(Headset Profile), sound quality will not  
be high. For better sound, change the  
Bluetooth connection to A2DP by  
operating the Bluetooth device.  
1 Press and hold the  
POWER button for  
* For detail on profiles, see page 23.  
about 3 seconds while  
the unit is turned off.  
The indicator (blue) and  
indicator (red) flash together  
twice and the unit is turned on.  
Notes  
Do not press and hold the POWER  
button for more than 7 seconds,  
otherwise pairing mode is entered.  
After the unit is turned on, the unit  
attempts to connect to the last  
connected Bluetooth device  
automatically with HFP or HSP. To  
make or receive a call while  
listening to music, make ready the  
last connected Bluetooth device for  
HFP or HSP connection before  
turning on the headset.  
14  
 
To adjust the volume  
Press the VOL + or button while  
listening to the music.  
Controlling the audio  
device AVRCP  
Tips  
If the Bluetooth audio device  
connected with this unit supports  
AVRCP (Audio Video Remote  
Control Profile), you can control by  
using the unit buttons.  
Refer to the operating instructions  
supplied with the Bluetooth device  
on how to operate it.  
Depending on the connected device, it  
may be necessary to adjust the volume  
on the connected device as well.  
Volume level for calling and listening  
to music can be set independently.  
To stop use  
Note  
1 Terminate the Bluetooth  
connection by operating  
the Bluetooth device.  
Operation of the Bluetooth connecting  
device by this unit will vary depending on  
its specification.  
Status: In stop or pause mode  
2 Press and hold the  
POWER button for  
Short Press Long Press  
Nx  
1
3
2
4
about 3 seconds.  
The indicator (blue) and  
indicator (red) light up together,  
and the unit turns off.  
FF / REW  
1 Starts playback*1  
2 Stop  
3 Skip to next/previous  
Tip  
4 Fast-forward/Fast-rewind*2  
When you finish playing music, the  
Bluetooth connection may terminate  
automatically, depending on the  
Bluetooth device.  
Status: In play mode  
Short Press Long Press  
Nx  
5
7
6
8
FF / REW  
5 Pause*1  
6 Stop  
7 Skip to next/previous  
8 Fast-forward/Fast-rewind*2  
1
*
You may need to press the button  
twice depending on the Bluetooth  
device.  
Some Bluetooth devices may not  
operate.  
2
*
Note  
You cannot adjust the volume of the  
Bluetooth device by the unit volume  
buttons.  
15  
 
Calling  
When this unit does not  
connect to a Bluetooth  
mobile phone automatically  
You can make a connection by  
VOL – button  
VOL + button  
operating Bluetooth mobile phone  
or by operating this unit to connect  
the last connected Bluetooth device.  
Multi function  
button  
POWER button  
A To make a connection  
by operating Bluetooth  
mobile phone  
Check the following before  
operating the unit.  
The Bluetooth function is active  
on the mobile phone.  
Pairing of this unit and the  
Bluetooth mobile phone is  
complete.  
1 Make the Bluetooth  
connection (HFP or  
HSP*) from the  
Bluetooth mobile phone  
to this unit.  
1 Press and hold the  
POWER button for  
Refer to the manual supplied  
with your Bluetooth mobile  
phone for operation details.  
The list of recognized devices  
appears on the display of the  
Bluetooth mobile phone. This  
unit is displayed as  
about 3 seconds while  
the unit is turned off.  
The indicator (blue) and  
indicator (red) flash together  
twice, the unit turns on and then  
this unit tries to connect to the  
last Bluetooth mobile phone that  
was used.  
DR-BT21G.”  
When you use the Bluetooth  
mobile phone features both HFP  
(Hands-free Profile) and HSP  
(Headset Profile), set to HFP.  
Note  
Do not press and hold the POWER  
button for more than 7 seconds,  
otherwise pairing mode is entered.  
Note  
When connecting to a Bluetooth  
mobile phone which is different from  
the last connected one, make the  
connection following the above  
procedure.  
Tip  
This unit will stop trying to connect  
to the Bluetooth mobile phone after 1  
minute. In such a case, press the multi  
function button to try to connect  
again.  
* For details on profiles, see  
page 23.  
16  
 
ring tone set on the unit  
ring tone set on the mobile  
phone  
ring tone set on the mobile  
phone only for Bluetooth  
connection  
B To make a connection  
with the last connected  
Bluetooth device by  
operating this unit  
1 Press the multi function  
Note  
button.  
If you received a call by pressing the  
button on the Bluetooth mobile phone,  
some Bluetooth mobile phones may have  
handset use priority. In this case, set to  
talk with the unit by pressing and holding  
the multi function button for about 2  
seconds, or by operating the Bluetooth  
mobile phone. For details, refer to the  
manual supplied with your Bluetooth  
mobile phone.  
The indicator (blue) and  
indicator (red) start flashing at  
the same time, and the unit  
performs the connection  
operation for about 5 seconds.  
Note  
When listening to music with this unit, a  
Bluetooth connection cannot be made  
with the multi function button.  
To call  
To adjust the volume  
Press the VOL + or button.  
1 Use the buttons on your  
mobile phone when  
Tips  
You cannot adjust the volume when not  
communicating.  
making a call.  
If no dial tone is heard on this  
unit, press and hold the multi  
function button for about 2  
seconds.  
Volume level for calling and listening  
to music can be set independently.  
To terminate a call  
You can end a call by pressing the  
multi function button on the unit.  
Tip  
You can call in the following way,  
depending on the Bluetooth mobile  
phone. Refer to the manual supplied with  
your mobile phone on operating details.  
When not communicating, you can call  
using the voice-dial function by  
pressing the multi function button.  
You can call the last dialed number by  
pressing the multi function button for  
about 2 seconds.  
To stop use  
1 Terminate Bluetooth  
connection by the  
Bluetooth mobile  
phone.  
2 Press and hold the  
POWER button for  
To receive a call  
When an incoming call arrives, a  
ring tone will be heard from the  
unit.  
about 3 seconds to turn  
off the power.  
The indicator (blue) and  
indicator (red) light up together,  
and the unit turns off.  
1 Press the multi function  
button on the unit.  
The ring tone differs in the  
following ways, depending on  
your mobile phone.  
Continued 17  
 
1
*
Some functions may not be supported  
depending on the Bluetooth mobile  
phone.  
This may vary, depending on the  
Bluetooth mobile phone.  
Some functions may not be supported  
when calling using the Bluetooth  
mobile phone.  
Controlling the  
Bluetooth mobile  
phone HFP, HSP  
2
*
*
3
The operation of the buttons on this  
unit varies depending on your  
mobile phone.  
HFP (Hands-free Profile) or HSP  
(Headset Profile) is used for  
Bluetooth mobile phone. Refer to  
the operating instructions supplied  
with your Bluetooth mobile phone  
on supported Bluetooth profiles or  
how to operate.  
HFP (Hands-free Profile)  
Status  
Multi function button  
Short Press Long Press  
Start Voice Last number  
Standby  
Dial  
redial  
Voice Dial  
active  
Cancel Voice  
Dial  
Outgoing call End outgoing  
call  
Incoming call  
During call  
Answer  
End call  
Reject  
Change active  
device  
HSP (Headset Profile)  
Status  
Multi function button  
Short Press  
Long Press  
1
*
Standby  
Dial  
Outgoing call End outgoing End outgoing  
1
call*  
call or change  
active device to  
headset*2  
Incoming call  
During call  
Answer  
3
End call  
*
Change active  
device to  
headset  
18  
 
Calling while playing back music  
The Bluetooth connection using HFP or HSP as well as A2DP is necessary  
to make a call while playing back music.  
For example, to make a call using a Bluetooth mobile phone while listening  
to music on a Bluetooth compatible music player, this unit needs to be  
connected to the mobile phone using HFP or HSP.  
Make a Bluetooth connection between this unit and the  
device in use following the procedures outlined below.  
1 Make a Bluetooth connection between this unit and  
the mobile phone in use with HFP or HSP following  
the procedures outlined in Calling(see page 16).  
2 Operate the Bluetooth device (music player or mobile  
phone) used for playing the music to make a  
Bluetooth connection to this unit using A2DP.  
To make a call while  
playing back music  
To receive a call while  
playing back music  
When an incoming call arrives, the  
music pauses and the ring tone is  
heard from this unit.  
1 Press the multi function  
button while playing  
back music (page 18), or  
operate your Bluetooth  
mobile phone to make a  
1 Press the multi function  
button and talk.  
After finishing the call, press the  
multi function button. This unit  
is switched back to music  
playback.  
telephone call.  
If no dial tone is heard on this  
unit, press and hold the multi  
function button for about 2  
seconds.  
When no ring tone is heard  
even if an incoming call  
arrives  
1 Stop music playback.  
2 When ringing, press the  
multi function button  
and talk.  
19  
 
ADDITIONAL INFORMATION  
Disposing of the unit  
This unit has a Lithium-lon rechargeable battery built in the left unit.  
For environmental conservation, be sure to remove the built-in rechargeable  
batteries from the unit before disposing, and dispose of the batteries  
appropriately.  
1 Remove the ear pad on  
2 The circuit board is fixed  
the left unit, and then  
with a claw. As illustrated,  
insert an object such as  
flathead screwdriver into the  
gap at the connector to lift  
up the circuit board to  
remove it.  
detach the left unit.  
The unit is fixed with claws (3  
places). As illustrated, insert an  
object such as flathead  
screwdriver into the gap and lift  
up the unit to detach it.  
1
Left  
housing  
2
Rechargeable  
battery  
Claws  
2 Remove the screw  
which fixes the external  
cover.  
4 Pull out the connector  
and remove the  
Fixed screw  
rechargeable battery.  
The rechargeable battery is fixed  
with adhesive tape. Insert an  
object such as flathead  
screwdriver and lift up the  
battery to remove it.  
2
3 Open the external cover  
and remove the inside  
circuit board.  
1
1 The external cover is fixed  
with claws (3 places). Insert  
an object such as flathead  
screwdriver into the gap and  
detach the cover.  
20  
 
Microwaves emitting from a  
Bluetooth device may affect the  
operation of electronic medical  
devices. Turn off this unit and other  
Bluetooth devices in the following  
locations, as it may cause an accident.  
where inflammable gas is present,  
in a hospital, train, airplane, or a  
petrol station  
near automatic doors or a fire alarm  
This unit supports security  
capabilities that comply with the  
Bluetooth standard to provide a  
secure connection when the Bluetooth  
wireless technology is used, but  
security may not be enough  
Precautions  
On Bluetooth communication  
Bluetooth wireless technology operates  
within a range of about  
10 meters (about 30 feet).  
Maximum communication range may  
vary depending on obstacles (person,  
metal, wall, etc.) or electromagnetic  
environment.  
The aerial of this unit is built into the  
housing for the right ear. The sensitivity  
of Bluetooth communication will  
improve by placing a connected  
Bluetooth device on your right side.  
The following conditions may affect the  
sensitivity of Bluetooth communication.  
There is an obstacle such as a person,  
metal, or wall between this unit and  
Bluetooth device.  
depending on the setting. Be careful  
when communicating using Bluetooth  
wireless technology.  
We do not take any responsibility for  
the leakage of information during  
Bluetooth communication.  
Connection with all Bluetooth  
devices cannot be guaranteed.  
A device featuring Bluetooth  
function is required to conform to  
the Bluetooth standard specified by  
Bluetooth SIG, and be  
A device using 2.4 GHz frequency,  
such as a wireless LAN device,  
cordless telephone, or microwave  
oven, is in use near this unit.  
Because Bluetooth devices and wireless  
LAN (IEEE802.11b/g) use the same  
frequency, microwave interference may  
occur and resulting in communication  
speed deterioration, noise, or invalid  
connection if this unit is used near a  
wireless LAN device. In such as case,  
perform the following.  
Use this unit at least 10 m (about  
30 ft) away from the wireless LAN  
device.  
If this unit is used within 10 m (about  
30 ft) of a wireless LAN device, turn  
off the wireless LAN device.  
authenticated.  
Even if the connected device  
conforms to the above mentioned  
Bluetooth standard, some devices  
may not be connected or work  
correctly, depending on the features  
or specifications of the device.  
While talking on the phone hands  
free, noise may occur, depending  
on the device or communication  
environment.  
Depending on the device to be  
connected, it may require some time  
to start communication.  
Install this unit and Bluetooth device  
as near to each other as possible.  
Continued 21  
 
The ear pads are consumable. They may  
deteriorate due to long-term storage or  
use. Replace with new ones if they are  
damaged.  
If you have any questions or problems  
concerning this unit that are not covered  
in this manual, please consult your  
nearest Sony dealer.  
On the supplied AC power  
adaptor  
Use the AC power adaptor supplied  
with this unit. Do not use any other AC  
power adaptor since it may cause the  
unit to malfunction.  
Polarity of the plug  
If you are not going to use this unit for  
a long time, unplug the AC power  
adaptor from the AC outlet. To remove  
the AC power adaptor from the wall  
outlet, grasp the adaptor plug itself;  
never pull the cord.  
Others  
Do not place this unit in a place  
exposed to humidity, dust, soot or  
steam, subject to direct sunlight, or in a  
car waiting at a traffic signal. It may  
cause a malfunction.  
Be careful not to pinch your fingers  
when folding the headset.  
Using the Bluetooth device may not  
function on mobile phones, depending  
on radio wave conditions and location  
where the equipment is being used.  
If you experience discomfort after using  
the Bluetooth device, stop using the  
Bluetooth device immediately. Should  
any problem persist, consult your  
nearest Sony dealer.  
Listening with this unit at high volume  
may affect your hearing. For traffic  
safety, do not use this unit while driving  
or cycling.  
Do not put weight or pressure on this  
unit as it may cause the unit to deform  
during long storage.  
22  
 
What is Bluetooth wireless  
technology?  
Bluetooth wireless technology is a  
short-range wireless technology that  
enables wireless data  
communication between digital  
devices, such as a computer or  
digital camera. Bluetooth wireless  
technology operates within a range  
of about 10 meters (about 30 feet).  
Connecting two devices as  
Communication System  
and Compatible Bluetooth  
Profiles of this unit  
Profile is standardization of the  
function for each Bluetooth device  
specification. This unit supports the  
following Bluetooth version and  
profiles:  
necessary is common, but some  
devices can be connected to  
Communication System :  
Bluetooth Specification version 2.0  
multiple devices at the same time.  
You do not need to use a cable for  
connection, nor is it necessary for  
the devices to face one another, such  
is the case with infrared technology.  
For example, you can use such a  
device in a bag or pocket.  
Compatible Bluetooth Profiles:  
A2DP (Advanced Audio Distribution  
Profile): Transmitting or receiving  
audio content of high-quality.  
AVRCP (Audio Video Remote Control  
Profile): Controlling A/V equipment;  
pausing, stopping, starting playback,  
volume control, etc.  
HSP (Headset Profile)*: Talking on the  
phone/Operating the phone.  
HFP (Hands-free Profile)*: Talking on  
the phone/Operating the phone by  
hands-free.  
Bluetooth standard is an  
international standard supported by  
thousands of companies all over the  
world, and employed by various  
companies worldwide.  
* When you use a Bluetooth mobile  
phone supported by both HFP (Hands-  
free Profile) and HSP (Headset Profile),  
set to HFP.  
Note  
To be able to use the Bluetooth function,  
the Bluetooth device to be connected  
requires the same profile as the units.  
Note also that even if the same profile  
exists, devices may vary in function  
depending on their specifications.  
23  
 
Troubleshooting  
If you run into any problems using this unit, use the following checklist.  
Should any problem persist, consult your nearest Sony dealer.  
The correspondence  
Common  
distance is short. (Sound  
skips.)  
The unit is not turned on.  
, If a device that generates  
, Charge the battery of the unit.  
, The unit is not turned on while  
charging. Unplug the unit from AC  
power adaptor and then turn on the  
unit.  
electromagnetic radiation, such as a  
wireless LAN, other Bluetooth  
device(s), or a microwave oven is  
nearby, move away from such  
sources.  
Pairing cannot be done.  
, Bring this unit and the Bluetooth  
device closer together.  
The unit does not operate  
properly.  
, Reset the unit. Pairing information is  
not deleted by this operation.  
Insert a small pin, etc., into the hole  
at a slight angle, and push until you  
feel a click.  
Cannot make the Bluetooth  
connection.  
, Check that this unit is turned on.  
, Check that the Bluetooth connecting  
device is turned on and the Bluetooth  
function is on.  
, Connection with the Bluetooth device  
may not be memorized on this unit.  
Make the Bluetooth connection from  
the Bluetooth device to this unit soon  
after pairing is complete.  
, This unit or Bluetooth connecting  
device is in sleep mode.  
, The Bluetooth connection is  
terminated. Make the Bluetooth  
connection again.  
When listening to  
music  
Distorted sound  
, Ensure that this unit is not receiving  
interference from a wireless LAN,  
other 2.4 GHz wireless device, or  
microwave oven.  
No sound  
, Check that both this unit and the  
Bluetooth device are turned on.  
, Re-position this unit.  
,
Check that both this unit and the  
Bluetooth device are making the  
Bluetooth connection, A2DP  
(Advanced Audio Distribution Profile).  
, Check that music is being played  
back by the Bluetooth device.  
24  
 
2
, Check that the volume of the unit is  
not set too low.  
, Turn up the volume on the connected  
device if necessary.  
, Pair this unit and Bluetooth device  
again.  
*
Note that this may not always  
reduce the sound skip depending on  
the circumstances. Press and hold  
Nx again for about 7 seconds to  
set the unit so as to receive high bit  
rate music. The indicator (blue)  
flashes twice.  
Low sound level  
, Turn up the volume of this unit.  
, Turn up the volume on the connected  
device if necessary.  
When calling  
The recipients voice  
Low sound quality  
, Switch the Bluetooth connection to  
A2DP (Advanced Audio Distribution  
Profile) when HSP (Headset Profile)  
is set.  
cannot be heard.  
, Check that both this unit and the  
Bluetooth mobile phone are turned  
on.  
, Check the connection between this  
unit and the Bluetooth mobile phone.  
, Check that output of the Bluetooth  
mobile phone is set for this unit.  
, Check that the volume of the unit is  
not set too low.  
, Turn up the volume on the connected  
Bluetooth mobile phone if necessary.  
, If you are listening to music using  
this unit, stop playback, press the  
multi function button and talk.  
Cannot make the Bluetooth  
connection from Bluetooth  
device to this unit.  
, The Bluetooth device is not equipped  
with SCMS-T content protection*.  
With the unit turned off, press and  
hold POWER and Nx for about 7  
seconds to deactivate the SCMS-T  
protection. The indicator (blue)  
flashes once.  
* The SCMS-T content protection  
method is one of the methods to  
protect the contents transmitted on  
the Bluetooth wireless technology.  
This unit can receive the contents  
protected by this method. Press and  
hold the POWER button and Nx  
again for about 7 seconds to  
Low sound from recipient  
, Turn up the volume of this unit.  
, Turn up the volume on the connected  
Bluetooth mobile phone if necessary.  
reactivate the SCMS-T content  
protection method on this unit. The  
indicator (blue) flashes twice.  
Sound skips frequently  
during playback.*1  
, Terminate the Bluetooth connection  
(A2DP) by operating the Bluetooth  
device. While the unit is turned on,  
press and hold Nx for about 7  
seconds to lower the bit rate. The  
indicator (blue) flashes once.*2  
1
*
This unit can receive high bit rate  
music, however, at higher bit rates,  
sound skipping may occur.  
25  
 
Initializing the  
unit  
You can reset this unit to its default  
(such as volume setting) and delete  
all pairing information.  
1 If this unit is turned on,  
press and hold the  
POWER button for  
about 3 seconds to turn  
off this unit.  
2 Press and hold the  
POWER button and  
multi function button  
together for about  
7 seconds.  
The indicator (blue) and  
indicator (red) flash together  
four times, and this unit is reset  
to the default setting. All pairing  
information is deleted.  
26  
 
Specifications  
General  
Headset  
Communication System  
Power source  
DC 3.7 V: Built-in lithium-ion  
rechargeable battery  
Bluetooth Specification version 2.0  
Output  
Bluetooth Specification Power Class 2  
Mass  
Approx. 63 g (2.3 oz)  
Maximum communication range  
Line of sight approx. 10 m (30 ft) *1  
Rated power consumption  
1.5 W  
Frequency band  
2.4 GHz band (2.4000 GHz 2.4835 GHz)  
Receiver  
Modulation method  
FHSS  
Type  
Open air, dynamic  
Compatible Bluetooth Profiles*2  
A2DP (Advanced Audio Distribution  
Profile)  
AVRCP (Audio Video Remote Control  
Profile)  
Driver unit  
30 mm dome type  
Reproduction frequency range  
14 24,000 Hz  
HSP (Headset Profile)  
HFP (Hands-free Profile)  
3
Microphone  
Type  
Omni directional, electret condenser  
Supported Codecs  
*
SBC*4, MP3  
Effective frequency range  
Transmission range (A2DP)  
20 - 20,000 Hz (Sampling frequency  
44.1KHz)  
100 4,000 Hz  
Design and specifications are subject to  
change without notice.  
Supplied accessory  
AC power adaptor (1)  
Operating instruction (this book) (1)  
1
*
The actual range will vary depending  
on factors such as obstacles between  
devices, magnetic fields around a  
microwave oven, static electricity,  
reception sensitivity, aerials  
performance, operating system,  
software application, etc.  
2
*
Bluetooth standard profiles indicate  
the purpose of Bluetooth  
communication between devices.  
Codec: Audio signal compression and  
conversion format  
3
4
*
*
Subband Codec  
27  
 
Printed in Malaysia  
 

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