Sony DR-BT21G - Stereo Bluetooth Headset; Neckband... User manual

Wireless Stereo
Headset
3-106-351-31(1)
DR-BT21G
©2008 Sony Corporation
Operating Instructions
Manual de Instrucciones
Manual de Instruções
GB
ES
PT

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WARNING
To reduce the risk of fire or electric
shock, do not expose this
apparatus to rain or moisture.
To reduce the risk of electrical
shock, do not open the cabinet.
Refer servicing to qualified
personnel only.
Do not install the appliance in a confined
space, such as a bookcase or built-in
cabinet.
To reduce the risk of fire, do not cover the
ventilation of the apparatus with
newspapers, tablecloths, curtains, etc.
And do not place lighted candles on the
apparatus.
To reduce the risk of fire or electric
shock, do not place objects filled with
liquids, such as vases, on the apparatus.
Connect the AC power adaptor to an
easily accessible AC outlet. Should you
notice an abnormality in the AC power
adaptor, disconnect it from the AC outlet
immediately.
Do not expose the battery to excessive
heat such as direct sunlight, fire or the
like.
The Bluetooth word mark and logos are
owned by the Bluetooth SIG, Inc. and any
use of such marks by Sony Corporation is
under license.
Other trademarks and trade names are
those of their respective owners.
MPEG Layer-3 audio coding technology
and patents licensed from Fraunhofer IIS
and Thomson.

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Table Of Contents
Welcome! .......................... 4
3 steps to Bluetooth
function ................................. 5
Location and Function of
Parts............................... 6
Folding and unfolding the
headset ................................. 7
Charging the unit ............. 8
Pairing ............................. 10
What is pairing? ...................... 10
Procedures of pairing .............. 10
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
Precautions .................... 20
What is Bluetooth wireless
technology? ................ 22
Troubleshooting ............. 23
Initializing the unit ......... 25
Specifications ................. 26

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Welcome!
Thank you for purchasing this Sony Wireless Stereo Headset. This unit uses
Bluetooth™wireless 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
*1The connected Bluetooth device is required to support A2DP (Advanced Audio
Distribution Profile).
*2The connected Bluetooth device is required to support HSP (Headset Profile) or HFP
(Hands-free Profile).
*3The connected Bluetooth device is required to support AVRCP (Audio Video Remote
Control Profile).

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V
Calling
V
Listening to music
VV
3 steps to Bluetooth function
Bluetooth
mobile phone,
etc. Pairing
Wireless Stereo
Headset
Bluetooth connection
Operate the Bluetooth device to
make the Bluetooth connection.
Connection
Listening to music
You can listen to music played on
the Bluetooth device.
Playback, stop, or pause is
possible from this unit.
Music
Bluetooth connection
When the unit is turned on, the
unit starts making the Bluetooth
connection to the recognized
mobile phone automatically.
Talking on the phone
You can make and receive a call
by operating this unit.
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.
Voice
Connection
A2DP AVRCP
HFP HSP
cPage 10
cPage 14
cPage 16
cPage 17 - 19cPage 14 - 15

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Location and Function of Parts
1Indicator (blue)
Indicates the communication
status of the unit.
2Indicator (red)
Indicates the power status of
the unit.
3Multi function button
Controls various call functions.
Press the button on the tactile
dots.
4Jog switch
Controls various functions
when listening to music.
5RESET button
Push this button when this unit
does not operate properly.
Pairing information is not
deleted by this operation.
6VOL (volume) +*⁄–
buttons
7Neckband
8R(right) indication
9Left unit L
0L(left) indication
qa Ear pad
qs Right unit R
qd POWER button
qf Microphone
qg DC IN 3 V jack
GETTING STARTED
* This button has a tactile dot.

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Folding and unfolding the headset
Unfolding
1Unfold the left and right
neckband as illustrated.
2Lift up and open up the
remaining half of the
neckband.
Notes
•Do not pull open this way.
•Be careful not to hit your face or eyes
with the top of the neckband.
Folding
1Hold 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.
2Close the folded left and
right neckband.

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1Connect the supplied
AC power adaptor to the
DC IN 3 V jack on the
unit.
When the AC power adaptor is
connected to an AC outlet,
charging starts.
Tip
If the AC power adaptor is connected
to an AC outlet while the unit is
turned on, the unit will be turned off
automatically.
Charging the unit
The unit contains a rechargeable Lithium-Ion battery, which should be
charged before using for the first time.
Wireless Stereo
Headset
To DC IN
3 V jack
To an
AC outlet
AC power
adaptor
(supplied)
2Make sure that indicator
(red) lights up while
charging.
Charging is completed in about
3 hours* and the indicator (red)
goes off automatically.
* Time required for empty battery to
recharge.
Caution
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.
In this case, charge again within the
above-mentioned temperature range.
If the problem persists, consult your
nearest Sony dealer.

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Approx.
usage hours
11 hours
100 hours
Status
Full
Mid
Low (needs to
charge)
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.
Indicator (red)
3 times
2 times
1 time
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.
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.
Usage hours*
Status
Communication
time (including
music playback
time) (up to)
Standby time
(up to)
* Time stated above may vary, depending
on ambient temperature or conditions of
use.

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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.
•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.
•This unit is initialized.
All pairing information is deleted.
Procedures of pairing
1Place the Bluetooth
device within 1 m (3 ft)
of this unit.
2Press and hold the
POWER button for
7 seconds or more to
standby for pairing
while the unit is turned
off.
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.