2-696-115-12(1)
Wireless Stereo
Headset
Operating Instructions
DR-BT20NX
©2006 Sony Corporation
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Table Of Contents
Welcome! .......................... 4
3 steps to BLUETOOTH
function ................................. 5
Location and Function of
Parts............................... 6
Charging the unit ............. 7
Pairing ............................... 9
What is pairing? ........................ 9
Procedures of pairing ................ 9
Wearing the headset ...... 11
Indications of
BLUETOOTH function 12
Listening to music ......... 13
Controlling the audio
device – AVRCP ................. 14
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
technology? ................ 23
Troubleshooting ............. 24
Initializing the unit ......... 25
Specifications ................. 26
3
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Welcome!
Thank you for purchasing this Sony Wireless Stereo Headset. This unit uses
BLUETOOTH™ wireless technology.
• You can enjoy music from your BLUETOOTH device capable of
transmitting music.
• You can enjoy hands-free talking with your BLUETOOTH mobile phone
inside your bag.
• You can remotely control the basic functions of BLUETOOTH audio
device (Play, Pause, Stop, etc.).
• You can charge the unit using the supplied battery charging stand.
For details on BLUETOOTH technology, see page 23.
Listening to music
Talking on the phone
4
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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.
R
BLUETOOTH
mobile phone,
etc.
Wireless Stereo
Headset
R
Pairing
c Page 9
Listening to music
Calling
V
V
BLUETOOTH connection
Operate the BLUETOOTH
device to make the
BLUETOOTH connection
When the unit is turned on, the
unit starts making the
BLUETOOTH connection.
BLUETOOTH connection to the
recognized mobile phone
automatically.
R
R
R
R
Connection
A2DP
AVRCP
Connection
c Page 13
HFP
HSP
c Page 16
V
Listening to music
You can listen to music played on
the BLUETOOTH device.
Playback, stop, or pause is
possible from this unit.
V
Talking on the phone
You can make and receive a call
by operating this unit.
Music
Voice
c Page 13 - 15
c Page 17 - 19
5
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GETTING STARTED
Location and Function of Parts
VOL
R
VOL
MIC
POWER
1 Jog switch
Adjusts the volume and
controls various functions of
the unit.
6 POWER button
7 Multi function button
Controls various call functions.
8 Indicator (red)
Indicates the power status of
the unit.
2 Microphone
3 Indicator (blue)
Indicates the communication
status of the unit.
9 Earpieces
4 Contact point
5 RESET button
6
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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 with
the battery charging
stand.
3 Put the unit on the
battery charging stand.
Wireless Stereo
Headset
Battery charging
stand (supplied)
(Rear)
Contact pin
Battery charging stand
(supplied)
AC power
adaptor
(supplied)
Rest the unit on the battery
charging stand so that the unit’s
contact point meets the contact
pin on the battery charging
stand, and make sure that the
indicator (red) lights up.
2 Connect the supplied
AC power adaptor to an
AC outlet.
Charging is completed in about
3 hours* and the indicator (red)
goes off automatically.
To an AC
outlet
* Time required for empty battery to
recharge.
Battery charging
stand (supplied)
Tip
When charging the battery, the unit is
turned off automatically.
Continued 7
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Caution
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 this unit detects a problem while
charging, the indicator (red) may
turn off, although charging is not
complete.
Check for the following causes:
– Ambient temperature exceeds the
range of 0 °C – 40 °C (32 °F –
104 °F).
–
There is a problem with the battery.
Indicator (red)
3 times
Status
Full
In this case, charge again within the
above-mentioned temperature range.
If the problem persists, consult your
nearest Sony dealer.
2 times
Mid
1 time
Low (needs to
charge)
Notes
• 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.
Note
You cannot check the remaining battery
immediately after the unit is turned on, or
while pairing.
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.
*
Usage hours
Status
Approx.
usage hours
Communication
time (including
music playback
time) (up to)
11 hours
Standby time
(up to)
100 hours
* Time stated above may vary, depending
on ambient temperature or conditions of
use.
8
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Pairing
Procedures of pairing
What is pairing?
BLUETOOTH devices need to be
“paired” with 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.
1 Place the connecting
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 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.
VOL
VOL
MIC
• When recognition of the unit by
the device to be connected is
deleted.
POWER
• 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.
Continued 9
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3 Perform pairing
procedure on the
connecting 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
connecting device. This unit is
displayed as “DR-BT20NX.”
If “DR-BT20NX” is not
has no display
You may pair the device by setting
both this unit and the connecting
device to pairing mode. For details,
refer to the operating instructions
supplied with the connecting device.
displayed, repeat from step 1.
Tips
4 Select “DR-BT20NX” on
the display of the
• To pair with other BLUETOOTH
devices, repeat steps 1 to 5 for each
device.
connecting device.
• To delete all pairing information, see
“Initializing the unit” (page 25).
5 If Passcode* input is
required on the display
of a connecting device,
input “0000.”
Pairing is complete when the
indicator (blue) flashes slowly.
The message standing for
“Pairing complete” appears 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 latest connected device.
Some BLUETOOTH devices
may connect with the unit
automatically when pairing is
complete.
10
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Wearing the headset
Place the neck strap around your
neck, then wear the earpiece marked
R in your right ear and the one
marked L in your left ear. The neck
strap prevents the earpieces from
dropping.
How to install the earbuds
correctly
If the earbuds do not fit your ears
correctly, low-bass sound may not
be heard. To enjoy better sound
quality, adjust the earbuds position
to sit on your ears comfortably or
push them into the inside of your
ears so that they fit your ears snugly.
If the earbuds do not fit your ears,
try ones of other size.
R
L
1
R
2
L
3
1 The right-side connector will
uncouple for safety if excessive
pressure is applied.
2 You can conveniently turn the
left-side connector (turn lock) in
the direction of the arrow and
remove it when putting a strap
around your neck.
How to use the holder
Store the earpieces. It prevents the
cord from tangling if you store the
earbuds.
3 When you remove the earpieces
to wear around your neck, slide
the cord adjusters toward the
earpieces to prevent the cord
from tangling.
11
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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
12
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OPERATING THE UNIT
Listening to music
2 Make the BLUETOOTH
connection (A2DP) from
a BLUETOOTH device to
Jog switch
VOL
this unit.
VOL
VOL
Refer to the operating
instructions supplied with the
BLUETOOTH device on how to
operate it.
MIC
VOL
3 Start playback on the
BLUETOOTH device.
Tip
POWER button
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.
Note
Do not press and hold the POWER
button for more than 7 seconds,
otherwise pairing mode is entered.
Continued 13
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To adjust the volume
Push the jog switch up or down to
adjust the volume while listening to
music.
Controlling the audio
device – AVRCP
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 connecting device
on how to operate it.
Tips
• When the volume level is low, raise the
volume of the connected device. The
sound will be clearer.
• Volume level for calling and listening
to music can be set independently.
To stop use
Note
Operation of the BLUETOOTH
connecting device by this unit will vary
depending on its specification.
1
Terminate the
BLUETOOTH connection
by operating the
Status: In stop or pause mode
BLUETOOTH device.
Press
2 Press and hold the
POWER button for
once
1
and hold
Nx
2
4
about 3 seconds.
The indicator (blue) and
indicator (red) light up together,
and the unit turns off.
./>
3
1 Starts playback*1
2 Stop
3 Skip to next/previous
Tip
4 Fast-forward/Fast-rewind*3
Status: In play mode
Press
When you finish playing music, the
BLUETOOTH connection may terminate
automatically, depending on the
BLUETOOTH device.
once
5
and hold
Nx
6
8
./>
7
5 Pause*1
6 Stop
7 Skip to next/previous
8 Fast-forward/Fast-rewind*2
14
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1
2
*
You may need to press the button
twice depending on the
BLUETOOTH device.
Some BLUETOOTH devices may not
operate.
*
Note
You cannot adjust the volume of the
BLUETOOTH device by the unit volume
buttons.
15
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Calling
When you want to connect the unit
to a different BLUETOOTH mobile
phone from the last time, follow the
procedure in “When this unit does
not connect to a BLUETOOTH
mobile phone automatically.”
Jog switch
VOL
VOL
VOL
MIC
VOL
When this unit does not
connect to a BLUETOOTH
mobile phone automatically
Multi function
button (MFB)
POWER button
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.
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
“DR-BT20NX.”
1 Press and hold the
POWER button for 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
automatically connects to the last
BLUETOOTH mobile phone that
was used.
When you use the
BLUETOOTH mobile phone
features both HFP (Hands-free
Profile) and HSP (Headset
Profile)*, set to HFP.
Note
* For details on profiles, see
page 23.
Do not press and hold the POWER
button for more than 7 seconds,
otherwise pairing mode is entered.
Note
When listening to music by operating this
unit connected to a BLUETOOTH mobile
phone, make the BLUETOOTH
connection by operating the
BLUETOOTH mobile phone. This cannot
be done with the multi function button.
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.
16
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To call
To adjust the volume
Push the jog switch up or down to
adjust the volume.
1 Use the buttons on your
mobile phone when
Tips
making a call.
If no sound is heard through this
unit, press the multi function
button.
• You cannot adjust the volume when not
communicating.
• Volume level for calling and listening
to music can be set independently.
Tip
To terminate a call
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 a specific number by
pressing the multi function button for
about 2 seconds.
You can end a call by pressing the
multi function button on the unit.
To stop use
1 Terminate BLUETOOTH
connection by the
BLUETOOTH mobile
phone.
To receive a call
2 Press and hold the
POWER button for
When the telephone is ringing, ring
tone will be heard through the unit.
about 3 seconds to turn
1 Press the multi function
button on the unit.
off the power.
The indicator (blue) and
indicator (red) light up together,
and the unit turns off.
The ring tone differs in the
following ways, depending on
your mobile phone.
– ring tone set on the unit
– ring tone set on the mobile
phone
– ring tone set on the mobile
phone only for BLUETOOTH
connection
Note
If you pressed the call 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.
Continued 17
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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
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Calling while playing back music
If the BLUETOOTH connection is active with the mobile phone, you can
switch the unit to call even when listening to music.
Before starting, see “Calling” (page 16) on operating details.
To call while playing back
music
To receive a call while
playing back music
The sound through the unit changes
to a ring tone automatically.
1 Press the multi function
button while playing
back music (page 16), or
operate your
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.
BLUETOOTH mobile
phone to make a
telephone call.
If no sound is heard through this
unit, press and hold the multi
function button for about 2
seconds.
If the sound does not
change to a ring tone
automatically
1 Stop music playback.
2 When ringing, press the
multi function button
and talk.
19
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ADDITIONAL INFORMATION
Disposing of the 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 2 screws using
a cross-point screw
driver as illustrated
below.
2 Open the case and
remove the built-in
rechargeable battery
attached at the lid.
Battery
Dispose of the built-in
rechargeable battery without
detaching from the lid.
Note
Forcibly detaching the built-in
rechargeable battery is liable to
damage it, and may be dangerous.
20
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• 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
depending on the setting. Be careful
when communicating using
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
unit. The sensitivity of BLUETOOTH
communication will improve by placing
a connected BLUETOOTH device near
the unit.
• The following conditions may affect the
sensitivity of BLUETOOTH
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
communication.
– There is an obstacle such as a person,
metal, or wall between this unit and
BLUETOOTH device.
– 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
specified by BLUETOOTH SIG,
and be 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.
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.
• 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
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• If the earbuds become wet, wipe it with
a dry towel before using.
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.
• Clean the earbuds by hand-washing
with a mild detergent solution. Remove
the earbuds when you clean them. After
cleaning, dry the earbuds well before
use.
• The earbuds may deteriorate due to
long-term storage or use.
• Do not strain the cord when adjusting
the length, as it may be damaged.
• If you have any questions or problems
concerning this unit that are not covered
in this manual, please consult your
nearest Sony dealer.
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.
• 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.
• Do not allow small children to use this
unit.
• Do not use this unit in a place where it
may be snagged, such as near a
shredder, or machine facility, etc.
• The left and right connectors will
uncouple for safety if excessive
pressure is applied. To reduce the risk
of this unit from falling, avoid
excessive movement.
• Listening with this unit at high volume
may affect your hearing. For traffic
safety, do not use this unit while driving
or cycling.
22
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What is BLUETOOTH 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).
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
Connecting two devices as
BLUETOOTH version and profiles:
necessary is common, but some
devices can be connected to
multiple devices at the same time.
You do not need to use a cable for
connection since BLUETOOTH
technology is a wireless technology,
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.
BLUETOOTH technology is an
international standard supported by
millions of companies all over the
world, and employed by various
companies worldwide.
Communication System :
BLUETOOTH Specification version 2.0
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.
* 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
unit’s.
Note also that even if the same profile
exists, devices may vary in function
depending on their specifications.
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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.
, Charge the battery of the unit.
, The unit is not turned on while
charging. Remove the unit from the
battery charging stand and then turn
on the unit.
, If a device that generates
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.
Cannot operate the unit.
(Connection has hung up.)
, Press the RESET button. Pairing
information is not deleted by this
operation.
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
When listening to
music
No sound
, Check that both this unit and the
BLUETOOTH device are turned on.
connection from the BLUETOOTH
device to this unit soon after pairing
is complete.
,
Check that both this unit and the
BLUETOOTH device are making the
BLUETOOTH connection, A2DP
(Advanced Audio Distribution Profile).
, This unit or BLUETOOTH
connecting device is in sleep mode.
, The BLUETOOTH connection is
terminated. Make the BLUETOOTH
connection again.
, Check that music is being played
back by the BLUETOOTH device.
, Check that the volume of the unit is
not set too low.
, Check that the volume of the
BLUETOOTH device is not set too
low if the BLUETOOTH device has a
volume control.
Distorted sound
, Ensure that this unit is not receiving
interference from a wireless LAN,
other 2.4 GHz wireless device, or
microwave oven.
, Pair this unit and BLUETOOTH
, Re-position this unit.
device again.
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Low sound level
, Turn up the volume of this unit.
, Turn up the volume of the
BLUETOOTH device if the
BLUETOOTH device has a volume
control.
Initializing the
unit
You can reset this unit to its default
(such as volume setting) and delete
all pairing information.
Low sound quality
, Switch the BLUETOOTH connection
to A2DP (Advanced Audio
Distribution Profile) when HSP
(Headset Profile) is set.
1 If this unit is turned on,
press and hold the
POWER button for
about 3 seconds to turn
off this unit.
When calling
The recipient’s voice
cannot be heard.
2 Press and hold the
POWER button and
multi function button
together for about
, Check that both this unit and the
BLUETOOTH mobile phone are
turned on.
, Check the connection between this
unit and the BLUETOOTH mobile
phone.
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.
, 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.
, Check that the volume of the
BLUETOOTH mobile phone is not
set too low if the BLUETOOTH
mobile phone has a volume control.
, If you are listening to music using
this unit, stop playback, press the
multi function button and talk.
Low sound from recipient
, Turn up the volume of this unit.
, Turn up the volume of the
BLUETOOTH mobile phone if the
BLUETOOTH mobile phone has a
volume control.
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Specifications
General
Headset
Communication System
Power source
BLUETOOTH Specification version 2.0
DC 3.7 V: Built-in lithium-ion
rechargeable battery
Output
BLUETOOTH Specification Power Class 2
Strap
Approx. 0.35 m (13 7/8 in)
Maximum communication range
Line of sight approx. 10 m (30 ft) *1
Cord (from unit to earpiece)
Approx. 0.4 m (15 3/4 in)
Frequency band
2.4 GHz band (2.4000 GHz – 2.4835 GHz)
Mass
Mass: Approx. 33 g (1.17 oz) including
strap and earpieces
Earpieces: Approx. 4 g (0.15 oz) not
including cord
Modulation method
FHSS
Compatible BLUETOOTH Profiles*2
A2DP (Advanced Audio Distribution
Profile)
Rated power consumption
1.5 W
AVRCP (Audio Video Remote Control
Profile)
HSP (Headset Profile)
HFP (Hands-free Profile)
Receiver
Type
Closed, dynamic
3
Supported Codecs
*
SBC*4, MP3
Driver unit
9 mm dome type (CCAW adopted)
Supplied Accessories
AC power adaptor (1),
Battery charging stand (1),
Earbuds (S × 2, M × 2, L × 2),
Holder (1)
Reproduction frequency range
20 – 20,000 Hz
Microphone
Type
Omni directional, electret condenser
1
*
The actual range will vary depending
on factors such as obstacles between
devices, magnetic fields around a
microwave oven, static electricity,
reception sensitivity, aerial’s
performance, operating system,
software application, etc.
BLUETOOTH standard profiles
indicate the purpose of BLUETOOTH
communication between devices.
Codec: Audio signal compression and
conversion format
Effective frequency range
100 – 4,000 Hz
Design and specifications are subject to
change without notice.
2
*
3
4
*
*
Subband Codec
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