Sony DRC-BT15 User manual

DRC-BT15_U2 [US] 3-280-224-11(1)
Wireless
Audio Receiver
3-280-224-11(1)
DRC-BT15
© 2007 Sony Corporation
Operating Instructions
Manual de instrucciones
US
ES
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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 batteries (battery pack
or batteries installed) to excessive heat
such as sunshine, fire or the like for a long
time.
Excessive sound pressure from
headphones can cause hearing loss.
Information
This device complies with Part 15 of FCC
Rules and RSS-Gen of IC Rules.
Operation is subject to the following two
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.
This equipment must not be co-located or
operated in conjunction with any other
antenna or transmitter.
This equipment complies with FCC/IC
radiation exposure limits set forth for
uncontrolled equipment and meets the
FCC radio frequency (RF) Exposure
Guidelines in Supplement C to OET65
and RSS-102 of the IC radio frequency
(RF) Exposure rules. This equipment has
very low levels of RF energy that it is
deemed to comply without testing of
specific absorption ratio (SAR).
Note
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.
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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For the customers in the USA
RECYCLING LITHIUM-ION
BATTERIES
Lithium-Ion batteries
are recyclable.
You can help preserve
our environment by
returning your used
rechargeable batteries
to the collection and recycling location
nearest you.
For more information regarding
recycling of rechargeable batteries, call
toll free 1-800-822-8837, or visit
http://www.rbrc.org/
Caution: Do not handle damaged or
leaking Lithium-Ion batteries.
Informations
Cet appareil est conforme à la section 15 de
la réglementation FCC ainsi qu’à la RSS-
Gen de la réglementation IC. Son utilisation
est autorisée seulement aux conditions
suivantes : (1) cet appareil ne doit pas causer
d’interférence nuisible, et (2) cet appareil
doit accepter toute interférence reçue, y
compris des interférences susceptibles de
compromettre le fonctionnement de
l’appareil.
Vous devez savoir que tout changement ou
toute modification non expressément
approuvé dans ce mode d’emploi risque
d’annuler votre pouvoir d’utiliser cet
appareil.
Cet équipement est conforme aux limitations
concernant l’exposition aux radiations
établies par la FCC/IC définies dans un
environnement non contrôlé ainsi qu’aux
directives relatives à l’exposition aux
fréquences radio (RF) FCC du supplément C
du bulletin OET65 et au règlement RSS- 102
relatif à l’exposition aux radiofréquences
(RF) IC. Cet équipement présente des
niveaux d’énergie RF très bas considérés
comme conformes et ne nécessite pas de test
du débit d’absorption spécifique (SAR).
Table Of Contents
What is Bluetooth wireless
technology? .................. 4
Welcome! .......................... 5
3 steps to Bluetooth function .... 6
Location and Function of
Parts............................... 7
Charging the unit ............. 8
Pairing ............................. 10
What is pairing? ...................... 10
Procedures of pairing .............. 10
Wearing the unit ............. 12
Indications of Bluetooth
function ....................... 14
Listening to music ......... 15
Controlling the audio device –
AVRCP ............................... 16
Calling ............................. 17
Controlling the Bluetooth mobile
phone – HFP, HSP .............. 19
Calling while playing
back music .................. 20
Disposing of the unit ..... 21
Precautions .................... 22
Troubleshooting ............. 24
Initializing the unit ......... 26
Specifications ................. 27
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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
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, 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 standard is an
international standard supported by
thousands of companies all over the
world, and employed by various
companies worldwide.
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:
Communication System :
Bluetooth Specification version 2.0 +
EDR*1
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)*2: Talking on the
phone/Operating the phone.
–HFP (Hands-free Profile)*2: Talking on
the phone/Operating the phone by
hands-free.
*1Enhanced Data Rate
*2When you use a Bluetooth mobile
phone supported by both HFP (Hands-
free Profile) and HSP (Headset
Profile), set to HFP.
Notes
•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.
•Due to the characteristic of Bluetooth
wireless technology, the sound played
on this unit is slightly delayed from the
sound played on the Bluetooth device
during talking on the telephone or
listening to the music.
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Welcome!
Thank you for purchasing this Sony Wireless Audio Receiver. This unit uses
Bluetooth wireless technology.
•Enjoy music wirelessly from Bluetooth technology-enabled music players,
or mobile phones.*1
• Connect your favorite headphones via stereo mini jack (headphones are
sold separately).
• Talk hands-free with Bluetooth technology-enabled mobile phones.*2
• Do basic remote control operation (play, stop, etc.) of music player
functions via Bluetooth connection.*3
• Bluetooth version 2.0 + EDR (Enhanced Data Rate) for higher quality
audio with less interference and lower power consumption.
• Useful rechargeable function.
For details on Bluetooth wireless technology, see page 4.
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 HFP (Hands-free Profile) or
HSP (Headset 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 Audio
Receiver
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 - 11
cPage 15
cPage 17 - 18
cPage 18 - 20cPage 15 - 16
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9 q;
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1
3
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8
Location and Function of Parts
1Headphones jack
2Strap hole
3Clip hole
4Indicator (red)
Indicates the power status of the
unit.
5Microphone
6Multi function button
Controls various call functions.
7Indicator (blue)
Indicates the communication
status of the unit.
8Jog switch
Controls various functions
when listening to music.
Adjust the volume of the unit
when talking over the
telephone.
9RESET button
0Contact point
qa POWER button
GETTING STARTED
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DC IN 3V
1Connect the supplied
AC power adaptor with
the battery charging
stand.
2Connect the supplied
AC power adaptor to an
AC outlet.
(Rear)
To DC IN
3 V jack
AC power
adaptor (supplied)
Battery charging
stand (supplied)
3Put the unit on the
battery charging stand.
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.
Charging is completed in about
2.5 hours* and the indicator (red)
goes off automatically.
* Time required for empty battery to
recharge.
Note
When you attach the strap to this unit,
do not let the strap get caught between
the unit and the battery charging stand.
Tips
•If the AC power adaptor is connected to
an AC outlet while the unit is turned on,
the unit will be turned off automatically.
•This unit cannot be turned on while
charging.
Battery charging
stand (supplied)
To an AC outlet
Charging the unit
The unit contains a rechargable Lithium-Ion battery, which should be
charged before using for the first time.
Contact pin
Battery charging
stand (supplied)
Wireless Audio
Receiver
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Approx.
usage hours
6 hours
100 hours
Status
Full
Mid
Low (needs to
charge)
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.
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.
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.
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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 POWER button
pressed without releasing. The
indicator (blue) starts flashing.
When both indicators start flashing
together again, 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.
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 (page 26).
All pairing information is deleted.
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3Perform pairing
procedure on the
Bluetooth device to
detect this unit.
The list of detected devices
appears on the display of the
Bluetooth device. This unit is
displayed as “DRC-BT15.”
If “DRC-BT15” is not
displayed, repeat from step 1.
Notes
•For details, refer to the operating
instructions supplied with the
Bluetooth device.
•When pairing with a Bluetooth
device that cannot display a list of
detected devices or that has no
display, you may pair the device by
setting both this unit and the
Bluetooth device to pairing mode.
At this time, if passcode is set
besides “0000” on the Bluetooth
device, pairing cannot be done with
this unit.
4Select “DRC-BT15” on
the display of the
Bluetooth device.
5If 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 complete” appears on
the display of some Bluetooth
devices.
*Passcode may be called “Passkey,”
“PIN code,” “PIN number,” or
“Password.”
6Start 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.
Tips
•To pair with other Bluetooth devices,
repeat steps 1to 5for each device.
•To delete all pairing information, see
“Initializing the unit” (page 26).
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Wearing the unit
3Connect the
headphones (not
supplied) to this unit.
4Clip this unit to a
pocket, etc., of your
clothes and then wear
the headphones.
Wear the earphone marked Lin
your left ear, and the one
marked Rin your right ear.
When using the clip
1While pinching the lever
at the end of the clip
(supplied), hold the clip
across the unit as
shown, then insert the
clip into the clip hole.
2While pinching the
lever, turn the unit
counterclockwise.
When the lever is released, the
clip is locked to prevent it from
coming off.
Lever
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When using the strap
1Attach the strap (not
supplied) to this unit
through the strap hole.
2Connect the
headphones (not
supplied) to the unit.
3Place this unit around
your neck and then
wear the headphones.
Wear the earphone marked Lin
your left ear, and the one
marked Rin your right ear.
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Pairing
Connecting
Connected
Phone Music
Indications of Bluetooth function
B: Indicator (blue)
R: Indicator (red)
Status Flashing patterns
Searching 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
B– – – – – – – – – – ...
for telephone call
R
–
Incoming call B...
R
–
Talking B– – – – – – – – – – – – ...
R
–
Calling while B– – – – – – – – – – ...
playing back music R
–
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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*).
1Press and hold the
POWER button for
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.
Listening to music
When not calling with this unit, do
not make the last connected
Bluetooth device ready for HFP or
HSP connection. To make or
receive a call while playing back
music, see page 20.
2Make 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.
3Start playback on the
Bluetooth device.
Tip
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.
Notes
•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.
•If this unit is turned off while an A2DP
Bluetooth connection is established,
operate the unit again from step 1to
make the A2DP Bluetooth connection
again.
*For detail on profiles, see page 4.
OPERATING THE UNIT
POWER button
Continued
Jog
switch
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To adjust the volume
Push the jog switch up or down
while listening to music to adjust the
volume.
Tips
•Depending on the connected device, it
may be necessary to adjust the volume
on the connected device as well.
•Volume for calling and listening to
music can be adjusted independently.
Even if you change the volume while
calling, the volume for music playback
does not change.
To stop use
1Terminate the Bluetooth
connection by operating
the Bluetooth device.
2Press and hold the
POWER button for
about 3 seconds.
The indicator (blue) and
indicator (red) light up together,
and the unit turns off.
Tip
When you finish playing music, the
Bluetooth connection may terminate
automatically, depending on the
Bluetooth device.
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 Bluetooth device
on how to operate it.
Note
Operation of the Bluetooth connecting
device by this unit will vary depending on
its specification.
Status: In stop or pause mode
1Starts playback*1
2Stop
3Skip to next/previous
4Fast-forward/Fast-rewind*2
Status: In play mode
5Pause*1
6Stop
7Skip to next/previous
8Fast-forward/Fast-rewind*2
*1 You may need to press the button
twice depending on the Bluetooth
device.
*2Some Bluetooth devices may not
operate.
Note
You cannot adjust the volume of the
Bluetooth device by pushing the jog
switch of this unit up or down.
1
3
Short Press Long Press
Nx
. / >
2
4
Short Press Long Press
Nx
. / >
5
7
6
8
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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.
1Press 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 tries to connect to the
last Bluetooth mobile phone that
was used.
Note
Do not press and hold the POWER
button for more than 7 seconds,
otherwise pairing mode is entered.
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.
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When this unit does not
connect to a Bluetooth
mobile phone automatically
You can make a connection by
operating Bluetooth mobile phone
or by operating this unit to connect
the last connected Bluetooth device.
ATo make a connection
by operating Bluetooth
mobile phone
1Make 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
“DRC-BT15.”
When you use the Bluetooth
mobile phone features both HFP
(Hands-free Profile) and HSP
(Headset Profile), set to HFP.
Note
When connecting to a Bluetooth
mobile phone which is different from
the last connected one, make the
connection following the above
procedure.
*For details on profiles, see
page 4.
Calling
Continued
Jog
switch
Multi function button
POWER button
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–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 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.
To adjust the volume
Push the jog switch up or down to
adjust the volume.
Tips
•You cannot adjust the volume when not
communicating.
•Volume for calling and listening to
music can be adjusted independently.
Even if you change the volume while
playing back the music, the volume of a
call does not change.
To terminate a call
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.
2 Press and hold the
POWER button for about
3 seconds to turn off the
power.
The indicator (blue) and
indicator (red) light up together,
and the unit turns off.
BTo make a connection
with the last connected
Bluetooth device by
operating this unit
1Press the multi function
button.
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
1Use the buttons on your
mobile phone when
making a call.
If no dial tone is heard on this
unit, press and hold the multi
function button for about 2
seconds.
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 receive a call
When an incoming call arrives, a ring
tone will be heard from the unit.
1Press the multi function
button on the unit.
The ring tone differs in the
following ways, depending on
your mobile phone.
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Controlling the
Bluetooth mobile
phone – HFP, HSP
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)
HSP (Headset Profile)
*1Some functions may not be supported
depending on the Bluetooth mobile
phone. Refer to the operating
instructions supplied with your mobile
phone.
*2This may vary, depending on the
Bluetooth mobile phone.
*3Some functions may not be supported
when calling using the Bluetooth
mobile phone.
Status Multi function button
Standby
Voice Dial
active
Outgoing call
Incoming call
During call
Short Press
Start Voice
Dial*1
Cancel Voice
Dial*1
End outgoing
call
Answer
End call
Long Press
Last number
redial
–
–
Reject
Change call
device
Status Multi function button
Standby
Outgoing call
Incoming call
During call
Short Press
–
End outgoing
call *
1
Answer
End call *
3
Long Press
Dial *
1
End outgoing
call or change
call device to
headset*
2
–
Change call
device to
headset
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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.
1Make a Bluetooth connection between this unit and
the mobile phone in use with HFP or HSP following
the procedures outlined in “Calling” (see page 17).
2Operate the Bluetooth device (music player or mobile
phone) used for playing the music to make a
Bluetooth connection to this unit using A2DP.
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.
1Press the multi function
button and talk.
After finishing the call, press the
multi function button. This unit
is switched back to music
playback.
When no ring tone is heard
even if an incoming call
arrives
1Stop music playback.
2When ringing, press the
multi function button
and talk.
To make a call while
playing back music
1Press the multi function
button while playing
back music (page 19), or
operate your Bluetooth
mobile phone to make a
telephone call.
If no dial tone is heard on this
unit, press and hold the multi
function button for about 2
seconds.
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