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English

Personal Audio System

Before operating the system, please read this guide thoroughly and retain it for 
future reference.

WARNING

To reduce the risk of fire, do not cover the ventilation opening of the apparatus 
with newspapers, tablecloths, curtains, etc. Do not place the naked flame sources 
such as lighted candles on the apparatus.

To reduce the risk of fire or electric shock, do not expose this apparatus to 
dripping or splashing, and do not place objects filled with liquids, such as vases, 
on the apparatus.

Do not install the appliance in a confined space, such as a bookcase or built-in 
cabinet.

As the main plug is used to disconnect the unit from the mains, connect the 
system to an easily accessible AC outlet. Should you notice an abnormality in the 
system, disconnect the main plug from the AC outlet immediately.

Battery may explode if mistreated. Do not recharge, disassemble or dispose of in 
fire.

On Copyrights and Licenses

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.
The N Mark is a trademark or registered trademark of NFC Forum, Inc. in the 
United States and in other countries.
Android and Google Play are trademarks of Google Inc.
iPad, iPhone, iPod, iPod classic, iPod nano, iPod touch and Mac are trademarks of 
Apple Inc. registered in the U.S. and other countries.
Lightning is a trademark of Apple Inc.
“Made for iPod,” and “Made for iPhone” mean that an electronic accessory has 
been designed to connect specifically to iPod or iPhone, respectively, and has 
been certified by the developer to meet Apple performance standards. Apple is 
not responsible for the operation of this device or its compliance with safety and 
regulatory standards. Please note that the use of this accessory with iPod or 
iPhone may affect wireless performance.
No Power No Problem is a trademark of Sony Corporation.
Other trademarks and trade names are those of their respective owners.

Notes

ˎ

ˎ

This system is not specified for use with an iPad via USB connection, and 
malfunction may result if used with one.

ˎ

ˎ

In the Operating Instructions, “iPod” is used as a general reference to functions 
on an iPhone, iPad or iPod, unless otherwise specified by the text or 
illustrations.

CAUTION

Danger of explosion if battery is incorrectly replaced. Replace only with the same 
or equivalent type.

To reduce the risk of fire or electric shock, do not expose this apparatus to rain or 
moisture.

Precautions

Note when using with a mobile phone

ˎ

ˎ

For details on operation of your mobile phone when receiving a telephone call 
while transmitting the sound using the BLUETOOTH connection, refer to the 
operating instructions supplied with the mobile phone.

On safety

The nameplate indicating Sony trademark, model number and electrical rating is 
located on the bottom exterior of this system.

Notes on the AC plug

ˎ

ˎ

Plug the AC plug into a nearby wall outlet. In the case of a problem, unplug it 
from the wall outlet immediately.

ˎ

ˎ

Do not twist or place heavy objects on the AC plug cord.

ˎ

ˎ

To disconnect AC power, grasp the plug itself, not the cord.

On placement

ˎ

ˎ

Do not set the speaker in an inclined position.

ˎ

ˎ

Do not leave the system in a location near heat sources, or in a place subject to 
direct sunlight, excessive dust, moisture, rain or mechanical shock.

ˎ

ˎ

Do not expose the battery to excessive heat such as direct sunlight, fire or the 
like.

On operation

ˎ

ˎ

Do not insert any small objects, etc., into the jacks. The system may short out or 
malfunction.

On cleaning

ˎ

ˎ

Do not use alcohol, benzine, or thinner to clean the cabinet.

Others

ˎ

ˎ

If you have any questions or problems concerning this system that are not 
covered in this manual, please consult your nearest Sony dealer.

The symbol on the package is applicable only in the European Union and other 
European countries with separate collection systems.

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 and digital camera. BLUETOOTH wireless technology operates within a 
range of about 10 m.
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 
the system

Profile is standardisation of the function for each BLUETOOTH device specification. 
The system supports the following BLUETOOTH version and profiles:
Communication System:
BLUETOOTH Specification version 3.0
Compatible BLUETOOTH Profiles:

ˎ

ˋ

A2DP (Advanced Audio Distribution Profile): Transmitting or receiving audio 
content of high-quality.

ˎ

ˋ

AVRCP (Audio Video Remote Control Profile): Controlling A/V equipment; 
pausing, stopping, or starting playback, etc.

ˎ

ˋ

HSP (Headset Profile): Talking on the phone/Operating the phone.

ˎ

ˋ

HFP (Hands-free Profile): Talking on the phone/Operating the phone by 
hands-free.

ˎ

ˋ

SPP (Serial Port Profile): Establishing serial communication with BLUETOOTH 
device.

Maximum communication range

Use BLUETOOTH devices within 10 m (line of sight) of the system.
Maximum communication range may shorten under the following conditions.

ˎ

ˋ

There is an obstacle such as a person, metal, or wall between the system and 
BLUETOOTH device.

ˎ

ˋ

A wireless LAN device is in use near the system.

ˎ

ˋ

A microwave oven is in use near the system.

ˎ

ˋ

A device that generates electromagnetic radiation is in use near the system.

Interference from other devices

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 the system is used near a 
wireless LAN device. In such a case, perform the following.

ˎ

ˋ

Use the system at least 10 m away from the wireless LAN device.

ˎ

ˋ

If the system is used within 10 m of a wireless LAN device, turn off the 
wireless LAN device.

Interference to other devices

Microwaves emitting from a BLUETOOTH device may affect the operation of 
electronic medical devices. Turn off the system and other BLUETOOTH devices in 
the following locations, as it may cause an accident.

ˎ

ˋ

where inflammable gas is present, in a hospital, train, airplane, or a gas 
station

ˎ

ˋ

near automatic doors or a fire alarm

Notes

ˎ

ˎ

To be able to use the BLUETOOTH function, the BLUETOOTH device to be 
connected requires the same profile as the system’s. 
Note also that even if the same profile exists, devices may vary in function 
depending on their specifications.

ˎ

ˎ

Due to the characteristic of BLUETOOTH wireless technology, the sound played 
on the system is slightly delayed from the sound played on the BLUETOOTH 
device during talking on the telephone or listening to the music.

ˎ

ˎ

This system 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 BLUETOOTH wireless technology.

ˎ

ˎ

We do not take any responsibility for the leakage of information during 
BLUETOOTH communication.

ˎ

ˎ

A device featuring the BLUETOOTH function is required to conform to the 
BLUETOOTH standard 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.

ˎ

ˎ

Noise or sound skips may occur depending on the BLUETOOTH device 
connected with the system, the communication environment or the usage 
environment.

ˎ

Ô

Getting Started

Setting the Clock

Right side of the system

Wire aerial

Rear of the system

Setting the clock for the first time

When using the system for the first time, do the following.

About the battery as a backup source

This system contains a CR2032 battery as a backup power source to keep the 
clock and the alarm operating during a power interruption. (No Power No 
Problem system)

Remove the insulation film from the backup battery on the 
bottom of the system.

Extend the wire aerial fully.

Plug the AC plug into a wall outlet firmly.

“AM 12:00,” and “01-01-2013” flash for about 2 seconds in the display, then the 
system automatically starts scanning, then creates a list of receivable DAB 
stations. The stations are stored in the list in alphabetical order.

When scanning is finished, the system obtains the current time from the DAB 
data of the first station received. The time and day appear in the display.

Tip

ˎ

ˎ

After setting the clock, whenever the system receives a DAB station, the time will be 
synchronized with the DAB data.

Notes

ˎ

ˎ

If no stations are found by the DAB scan, “No Station” appears for about 2 seconds, then 
“AM 12:00” flashes in the display. In this case, the clock needs to be set manually. (See 
“Setting the clock manually.”)

ˎ

ˎ

If the clock is already running (the time was set manually, or obtained via DAB data before), 
the system will not scan for DAB stations automatically at power on.

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The clock cannot be set via DAB data if the current time is within an hour ahead or behind 
the start or end of daylight saving time (summer time). In this case, power on the system at 
another time, or set the clock manually. (See “Setting the clock manually.”)

Setting the clock manually

If DAB stations cannot be received (depending on reception conditions or 
broadcast activity), the clock cannot be set via DAB data.

Note

ˎ

ˎ

The clock cannot be set when you are using the BLUETOOTH, USB, AUDIO IN, or radio 
function. Press 

OFF

 

 to deactivate these functions.

Plug the AC plug into a wall outlet.

Press 

MENU

 

.

Press 

ALARM TIME SET +/–

 

 to select “Sync Time By,” then 

press 

ENTER

 

 to confirm.

Press 

ALARM TIME SET +/–

 

 to select “None,” then press 

ENTER

 

 to confirm.

Press 

MENU

 

.

Press 

ALARM TIME SET +/–

 

 to select “Date & Time,” then 

press 

ENTER

 

 to confirm.

The year digits begin to flash in the display.

Press 

ALARM TIME SET +/–

 

 to select the year, then press 

ENTER

 

 to confirm.

Press and hold 

ALARM TIME SET +/–

 

 to change the year digits quickly.

Once you confirm the setting by pressing 

ENTER

 

, the month digits begin to 

flash.

Repeat step 7 to set the month, day, hour and minute.

The seconds start incrementing from zero.

Notes

ˎ

ˎ

If you do not press any button for about 1 minute while setting the clock, the clock setting will 
be cancelled.

ˎ

ˎ

A 100-year calendar (2013 - 2112) is installed in the system. When the date is set, the day of 
the week is automatically displayed. 
MON = Monday, TUE = Tuesday, WED = Wednesday,  
THU = Thursday, FRI = Friday, SAT = Saturday, SUN = Sunday

ˎ

ˎ

When “Sync Time By” is set to “None,” the clock cannot be set via DAB data.

To change the time format 

You can choose the displayed time format between the 12-hour system (default) 
or the 24-hour system.

Press 

MENU

 

.

Press 

ALARM TIME SET +/–

 

 to select “Time Format,” then 

press 

ENTER

 

 to confirm.

Press 

ALARM TIME SET +/–

 

 to select “12 H” or “24 H,” then 

press 

ENTER

 

 to confirm.

The time format toggles between the 12-hour system (“AM 12:00” = midnight) 
and the 24-hour system (“0:00” = midnight).

To change the date format

Press 

MENU

 

.

Press 

ALARM TIME SET +/–

 

 to select “Date Format,” then 

press 

ENTER

 

 to confirm.

Press 

ALARM TIME SET +/–

 

 to select the desired date 

format, then press 

ENTER

 

 to confirm.

How to Make Wireless Connection with 

BLUETOOTH Devices

You can enjoy music and hands-free calling with the system wirelessly by using 
your device’s BLUETOOTH function.
Choose one of the following three connection methods, best suited for the 
BLUETOOTH device. For details on how to operate your device, refer to the 
operating instructions supplied with the device.

Pairing with a BLUETOOTH device: see 

Pattern A

BLUETOOTH devices need to be “paired” with each other beforehand.

Connecting with a paired device: see 

Pattern B

To listen to music with a BLUETOOTH device that has been paired, see this 
pattern.

One-touch connection with a smartphone (NFC):  
see 

Pattern C

Using an NFC compatible smartphone, you can establish BLUETOOTH connection 
by just touching the system with it.

For details about NFC, see “About NFC” in  Pattern C .

Check the following before operating the system.

ˎ

ˎ

Both the system and the device are placed within 1 m of each other.

ˎ

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The system is connected to a power source.

ˎ

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The operating instructions supplied with the device are kept at hand.

Pattern A

  

Pairing and connecting with a BLUETOOTH device

Set the BLUETOOTH function of the BLUETOOTH device to 
on.

For details, refer to the operating instructions supplied with the device.

Press and hold   

BLUETOOTH

   

PAIRING

 

 on the system 

until beeps are heard and “  (BLUETOOTH)” begins to flash 
quickly in the display.

Tip

ˎ

ˎ

From the factory, pairing information is not stored in the system. In this case, if you only 
press   

BLUETOOTH

   

PAIRING

 

, “  (BLUETOOTH)” starts flashing quickly in the 

display.

 (BLUETOOTH) 

flashes quickly

Perform the pairing procedure on the BLUETOOTH device to 
detect the system.

If “SONY: XDR-DS21BT” does not appear on the device’s display, repeat from 
step 1.

Note

ˎ

ˎ

Some devices cannot display a list of detected devices.

Select “SONY: XDR-DS21BT” shown in the display of the 
BLUETOOTH device.

If Passcode* input is required on the display of the 
BLUETOOTH device, input “0000.”

The BLUETOOTH connection is established and “  (BLUETOOTH)” in the display 
stays on.
*  Passcode may be called “Passkey,” “PIN code,” “PIN number,” or “Password.”

Tip

ˎ

ˎ

To pair with other BLUETOOTH devices, repeat steps 1 to 5 for each device.

Notes

ˎ

ˎ

Pairing mode of the system is cancelled after about 5 minutes, and “  (BLUETOOTH)” flashes 
slowly in the display. If the pairing mode is cancelled while performing this procedure, start 
over from step 2.

ˎ

ˎ

Passcode of the system is fixed as “0000.” The system cannot be paired with a BLUETOOTH 
device whose Passcode is not “0000.”

ˎ

ˎ

Once BLUETOOTH devices are paired, there is no need to pair those devices again. However, 
in the following cases, you will need to perform the pairing procedure again.

ˎ

ˋ

Pairing information is deleted after repair, etc.

ˎ

ˋ

The system is paired with 5 or more devices. 
The system can be paired with up to 4 BLUETOOTH devices. If a new device is paired after 4 
devices have been paired, the device whose latest connection time is the oldest among the 
4 paired devices is replaced by the new one.

ˎ

ˎ

More than one device can be paired with the system, but sound will be heard from just one 
of those devices.

Pattern B

  

Connecting with a paired BLUETOOTH device

Set the BLUETOOTH function of the BLUETOOTH device to 
on.

Tips

ˎ

ˎ

When   

BLUETOOTH

 

 is pressed, the system tries to establish BLUETOOTH connection 

with the BLUETOOTH device connected to the system last time. The BLUETOOTH 
connection is established and “  (BLUETOOTH)” in the display stays on.

ˎ

ˎ

When “  (BLUETOOTH)” lights up in the display, the system is connected to a BLUETOOTH 
device. When you want to connect another BLUETOOTH device, terminate the current 
BLUETOOTH connection first by operating the connected BLUETOOTH device.

Select “SONY: XDR-DS21BT” shown in the display of the 
BLUETOOTH device.

If necessary, select a BLUETOOTH profile that the system supports from the 
following: A2DP, HSP or HFP. For details on each profile, see “Listening to 
Music by BLUETOOTH Connection with a Smartphone, etc.” or “Using 
Hands-free Calling While Listening to Music.”

Note

ˎ

ˎ

This step may not be necessary for some devices.

The BLUETOOTH connection is established and “  (BLUETOOTH)” in the display 
stays on.

Pattern C

  

Connecting with a smartphone by One touch (NFC)

By just touching the system with an NFC compatible smartphone, the system 
pairs and connects with the smartphone. (After making the BLUETOOTH 
connection, the system switches to the BLUETOOTH function automatically.)

Compatible smartphones

ˎ

ˎ

Smartphones with the NFC function built-in 
(OS: Android 2.3.3 or later, excluding Android 3.x) 
Customers in Europe 
Access the following Web site for details: 
http://support.sony-europe.com

About NFC

NFC (Near Field Communication) is a technology enabling short-range wireless 
communication between various devices, such as mobile phones and IC tags. 
Thanks to the NFC function, data communication can be achieved easily just by 
touching the relevant symbol or designated location on NFC compatible devices.

Set the NFC function of the smartphone to on.

For details, refer to the operating instructions supplied with the smartphone.

ˎ

ˎ

If your smartphone OS is Android 2.3.3 or later, and less than Android 4.1: 
proceed to step 2.

ˎ

ˎ

If your smartphone OS is Android 4.1 or later: proceed to step 4.

Download and install the app “NFC Easy Connect” on the 
smartphone.

“NFC Easy Connect” is an original app by Sony for Android phones, and is 
available at Google Play Store. 
Search for “NFC Easy Connect” or scan the following two-dimensional code to 
download and install the free app. Communication fees are required to 
download the app.
The App may not be available in some countries and/or regions.

Tip

ˎ

ˎ

For some smartphones, One-touch connection may be available without downloading 
the app “NFC Easy Connect.” In that case, the operation and specifications may be 
different from the description here. For details, refer to the operating instructions 
supplied with the smartphone.

By the two-dimensional code:
Use a two-dimensional code reader app.

Start the app “NFC Easy Connect” on the smartphone.

Make sure that the application screen is displayed.

Touch the system with the smartphone.

Keep touching the smartphone on the N marked part of the system until the 
smartphone responds.

Note

ˎ

ˎ

If the screen of your smartphone is locked, the smartphone will not function. In this case, 
release the lock, then touch the smartphone on the N marked part again.

Smartphone responds (system recognized) 

 (BLUETOOTH) lights up

Follow the on-screen instructions to establish the connection.
The BLUETOOTH connection is established and “  (BLUETOOTH)” in the display 
stays on.

Tips

ˎ

ˎ

If it is difficult to establish the connection, try the following.

ˎ

ˋ

Activate the app “NFC Easy Connect” and move the smartphone slightly on the N 
marked part of the system.

ˎ

ˋ

If the smartphone is in a case, remove it.

ˎ

ˎ

Touch the system with the smartphone again to disconnect.

ˎ

ˎ

If you have multiple NFC compatible devices, just touch the smartphone to a different 
device to switch the connection to that device. For example, when your smartphone is 
connected with NFC compatible headphones, just touch the smartphone to the system to 
change the BLUETOOTH connection to the system.

Indications of the BLUETOOTH function

Status

Display

BLUETOOTH function

“BLUETOOTH” lights up

Pairing with a device

“  (BLUETOOTH)” flashes quickly

Searching for a device

“  (BLUETOOTH)” flashes

Connected to a device

“  (BLUETOOTH)” lights up

ˎ

Ô

Listening to Music

Listening to Music by BLUETOOTH 

Connection with a Smartphone, etc.

You can enjoy listening to music and basic remote control operation of a 
BLUETOOTH device via BLUETOOTH connection. The BLUETOOTH device is 
required to support the following BLUETOOTH profiles.

ˎ

ˎ

A2DP (Advanced Audio Distribution Profile): enables you to enjoy high-quality 
audio content wirelessly.

ˎ

ˎ

AVRCP (Audio Video Remote Control Profile): enables you to enjoy basic remote 
control operation (play, stop, etc.) of a BLUETOOTH device.

Operations may vary depending on the BLUETOOTH device. Refer also to the 
operating instructions supplied with your BLUETOOTH device.

Make the BLUETOOTH connection between the system and 
the device.

For details on the BLUETOOTH connection procedure, see “How to Make 
Wireless Connection with BLUETOOTH Devices.” The BLUETOOTH connection is 
established and “  (BLUETOOTH)” in the display stays on.

Start playback on the BLUETOOTH device, then adjust the 
volume.

Set the volume of the BLUETOOTH device to a moderate level, and press 

VOLUME –/+

 

 on the system.

After use

Do any of the following to terminate the BLUETOOTH connection.

ˎ

ˎ

Set the BLUETOOTH function of the BLUETOOTH device to off. For details, refer 
to the operating instructions supplied with the device.

ˎ

ˎ

Turn off the BLUETOOTH device.

ˎ

ˎ

Touch the system with the smartphone again to disconnect (NFC compatible 
smartphones only).

System button functions during music playback

You can operate a BLUETOOTH device that supports AVRCP. Available functions 
may vary depending on the BLUETOOTH device. Refer to the operating 
instructions supplied with the BLUETOOTH device.

Buttons

Functions

 (play/pause) 

Press once to pause/resume playback.

/

 (forward/

rewind) 

ˎ

ˎ

Press once to skip to the next/previous track. 

ˎ

ˎ

Press and hold to fast-forward/fast-rewind.

VOLUME –/+

 

Press to adjust the volume.

Listening to Music by Wired Connection

Listening to Music via USB Connection with an 

iPhone/iPod

You can enjoy listening to music and play back an iPhone/iPod connected to the 
system via USB.
Update your device to the latest software version before use.

USB cable*  
(not supplied)

 (USB) port on the rear of the system

*  USB cable: Use the Lightning to USB Cable or Dock Connector to USB Cable 

supplied with your iPhone/iPod.

Connect the iPhone/iPod to the 

 (USB) port on the rear of 

the system.

Press 

FUNCTION

 

 to select “USB.”

Press 

FUNCTION

 

 repeatedly until “USB” lights up in the display.

Start playback on the connected iPhone/iPod, then adjust 
the volume.

Set the volume of the connected iPhone/iPod to a moderate level, and press 
the 

VOLUME –/+

 

 on the system.

Notes

ˎ

ˎ

When a USB device other than an iPhone/iPod is connected to the system, only charging 
begins automatically.

ˎ

ˎ

Do not connect the multiple devices to the 

 (USB) port of the system.

After use

Press 

FUNCTION

 

 or 

OFF

 

 to deactivate the USB function.

System button functions during music playback

Buttons

Functions

 (play/pause) 

Press once to pause/resume playback.

/

 (forward/

rewind) 

ˎ

ˎ

Press once to skip to the next/previous track. 

ˎ

ˎ

Press and hold to fast-forward/fast-rewind.

VOLUME –/+

 

Press to adjust the volume.

Listening to Music by Wired Connection with a 

Portable Audio Device, etc.

You can enjoy sound from the external device, such as a portable digital music 
player, through the speaker of this system. Be sure to turn off the power of the 
device before making any connections.

AUDIO IN

 jack (stereo mini jack) 

on the rear of the system

Connecting cord 
(not supplied)

Connect the device to the 

AUDIO IN

 jack on the rear of the 

system.

Press 

FUNCTION

 

 to select “AUDIO IN.”

Press 

FUNCTION

 

 repeatedly until “AUDIO IN” lights up in the display.

Start playback on the connected device, then adjust the 
volume.

Set the volume of the connected device to a moderate level, and press the 

VOLUME –/+

 

 on the system.

After use

Press 

FUNCTION

 

 or 

OFF

 

 to deactivate the AUDIO IN function. To stop 

playback on the connected device, operate the connected device.

Notes when connecting the device by wired connection

ˎ

ˎ

The necessary type of cable or connecting cord depends on the device. Be sure to use the 
correct type of cable or cord.

ˎ

ˎ

When you watching TV or listening to the radio with a device connected to the system, the 
reception may be poor.

ˎ

ˎ

When you listen to the radio with a device connected, turn off the connected device to 
prevent noise. If noise occurs, even when the device is turned off, disconnect and place the 
device away from the system.

Tip

ˎ

ˎ

You can use hands-free calling while the cable or connecting cord is used with this system.

Listening to Radio

The system can receive DAB and FM radio stations

ˎ

ˋ

DAB stations: When setting the clock for the first time, the system automatically 
starts scanning, then creates a list of receivable DAB stations.

ˎ

ˋ

FM stations: It is recommended to preset receivable FM stations in your area by 
auto preset tuning. For details, see “Presetting FM radio stations automatically 
- Auto preset tuning.”

Wire aerial

Rear of the system

Right side of the system

Listening to DAB stations

Press 

FUNCTION

 

 to select “DAB.”

Press 

FUNCTION

 

 repeatedly until “DAB” lights up in the display.

DAB station

If the system has not yet created a list of receivable DAB stations, it will 
automatically scan for receivable DAB stations, and create a list.

Press 

MENU

 

.

Press 

PRESET/TUNE +/–

 

 to select “Tune Mode,” then press 

MODE/ENTER

 

 to confirm.

Press 

PRESET/TUNE +/–

 

 to select “Tune,” then press 

MODE/ENTER

 

 to confirm.

Press 

PRESET/TUNE +/–

 

 to select the desired DAB station.

If a selected DAB station has finished broadcasting, “No Service” appears in 
the display, and no sound will be heard. In this case, select another station.

Press 

VOLUME –/+

 

 to adjust the volume.

Tips

ˎ

ˎ

You can select “Tune Mode” by pressing 

MODE/ENTER

 

 instead of 

MENU

 

 in step 2. 

Press 

MODE/ENTER

 

 repeatedly until “Tuning Mode” appears in the display. “Tuning Mode” 

appears for about 2 seconds, and changes to the DAB station, then proceed to step 5.

ˎ

ˎ

You can preset up to 10 DAB stations. For details, see “Presetting DAB or FM radio stations 
manually.”

ˎ

ˎ

By selecting “Auto Scan” from the DAB menu, you can perform auto scan on the system. For 
details on “Auto Scan,” see “Useful DAB menu functions.”

Note

ˎ

ˎ

DAB broadcasts with poor quality reception may be selected when auto scan is performed. In 
this case, perform manual tune, which may improve reception. By selecting “Manual Tune” 
from the DAB menu, you can perform manual tune. For details on “Manual Tune,” see “Useful 
DAB menu function.”

About SC (Secondary Component) 

If the selected primary component has a secondary component, “SC” flashes in 
the display.
Press 

PRESET/TUNE +/–

 

 to receive the desired secondary component. “SC” 

lights up while a secondary component is being received.

Note

ˎ

ˎ

When a selected secondary component has finished, the system automatically returns to the 
primary component.

Presetting FM radio stations automatically - Auto 

preset tuning

You can preset receivable FM radio stations in your area automatically by auto 
preset tuning. You can preset up to 20 FM stations.

Press 

FUNCTION

 

 to select “FM.”

Press 

FUNCTION

 

 repeatedly until “FM” lights up in the display.

Press 

MENU

 

.

Press 

PRESET/TUNE +/–

 

 to select “Auto Preset,” then press 

MODE/ENTER

 

 to confirm.

Press 

PRESET/TUNE +/–

 

 to select “Yes,” then press 

MODE/

ENTER

 

 to confirm.

Receivable FM radio stations will be preset automatically in order of frequency.

Tip

ˎ

ˎ

To cancel auto preset tuning, press 

OFF

 

.

Listening to preset DAB or FM radio stations

You can listen to a radio station by simply selecting a preset number.

ˎ

ˋ

DAB stations: You can preset up to 20 DAB stations. For details, see “Presetting 
DAB or FM radio stations manually.”

ˎ

ˋ

FM stations: It is recommended to preset receivable radio stations in your area 
by auto preset tuning. You can also manually preset a radio station which 
cannot be preset automatically. For details, see “Presetting DAB or FM radio 
stations manually.”

Press 

FUNCTION

 

 to select “DAB” or “FM.”

Press 

FUNCTION

 

 repeatedly until “DAB” or “FM” lights up in the display.

Press 

MENU

 

.

Press 

PRESET/TUNE +/–

 

 to select “Tune Mode,” then press 

MODE/ENTER

 

 to confirm.

Press 

PRESET/TUNE +/–

 

 to select “Preset,” then press 

MODE/ENTER

 

 to confirm.

Preset number

Preset DAB station or 
FM radio frequency

Press 

PRESET/TUNE +/–

 

 to select the preset number for 

the desired DAB or FM station.

Press 

VOLUME –/+

 

 to adjust the volume.

Tip

ˎ

ˎ

You can select “Tune Mode” by pressing 

MODE/ENTER

 

 instead of 

MENU

 

 in step 2. 

Press 

MODE/ENTER

 

 repeatedly until “Preset Mode” appears in the display. “Preset Mode” 

appears for about 2 seconds, and changes to the preset DAB station or FM radio frequency, 
then proceed to step 5.

Listening to FM radio by manual tuning

Press 

FUNCTION

 

 to select “FM.”

Press 

FUNCTION

 

 repeatedly until “FM” lights up in the display.

Press 

MODE/ENTER

 

 to select the manual tuning mode.

Press 

MODE/ENTER

 

 repeatedly until “Tuning Mode” appears in the display. 

“Tuning Mode” appears for about 2 seconds, and changes to the FM radio 
frequency.

Press and hold 

PRESET/TUNE +/–

 

 until the frequency 

digits begin to change quickly in the display.

The system automatically scans FM radio frequencies and stops when it finds 
a clear station (automatic tuning mode).
If you cannot tune to a station using the automatic tuning mode, press 

PRESET/TUNE +/–

 

 repeatedly to change the frequency step by step.

Press 

VOLUME –/+

 

 to adjust the volume.

Presetting DAB or FM radio stations manually

You can manually preset up to 20 DAB stations and 20 FM stations.

Tune to a DAB or FM station you want to preset.

Press 

MENU

 

.

Press 

PRESET/TUNE +/–

 

 to select “Manual Preset,” then 

press 

MODE/ENTER

 

 to confirm.

“PRESET” and the preset number flash, and the DAB station or FM frequency 
flashes in the display.

Press 

PRESET/TUNE +/–

 

 to select the preset number, then 

press 

MODE/ENTER

 

 to confirm.

The station is assigned to the selected preset number.
Example: The display will appear as follows if you preset FM 98.3 MHz to 
preset number 2.

Tips

ˎ

ˎ

To cancel the preset operation, press 

OFF

 

 instead of 

MODE/ENTER

 

 in step 4.

ˎ

ˎ

You can clear all preset stations on the system from the DAB or FM menu. Select “Preset 
Clear” in step 3 above, then press 

PRESET/TUNE +/–

 

 to select “Yes,” and then press 

MODE/ENTER

 

 to clear all preset stations.

After use

Press 

FUNCTION

 

 or 

OFF

 

 to deactivate the radio function.

To improve reception

ˎ

ˎ

Extend the wire aerial fully to increase reception sensitivity. 

ˎ

ˎ

Keep the wire aerial away from the AC power cord.

ˎ

ˎ

If stereo FM reception is noisy, set the system to monaural reception.  
Press 

MENU

 

 and press 

PRESET/TUNE +/–

 

 to select “Mode,” then press 

ENTER

 

. Press 

PRESET/TUNE +/–

 

 to select “Mono,” then press 

ENTER

 

“MONO” lights up in the display. Noise will be reduced, although sound will be 
monaural.

Notes on radio reception

ˎ

ˎ

Keep digital music players or mobile phones away from the wire aerial; otherwise, reception 
interference may occur.

ˎ

ˎ

When you are listening to radio with a BLUETOOTH device or USB device connected to the 
system, interference with radio reception may occur. In this case, terminate BLUETOOTH 
connection, or disconnect the USB device from the system.

Tip

ˎ

ˎ

You can use hands-free calling while listening to the radio on this system.

Personal Audio System

Operating Instructions

XDR-DS21BT

©2013 Sony Corporation  Printed in China

4-468-403-

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