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4-440-695-

12

(1)

PERSONAL AUDIO SYSTEM

Operating Instructions

©2012 Sony Corporation     Printed in China

ZS-BTY52

*

 

/ENTER 

 has a 

tactile dot.

Illumination

The illumination on the handle has the 
following two features.

Indication of function change (

)

When you switch to one of four functions, the 
illumination increases in intensity to notify 
the user of function change. The illumination 
is blue for Bluetooth and white for other 
functions.

Lighting effects for audio output (

)

Lighting effects, in red, are created that 
synchronize with the music source. You can 
turn this function on or off as desired (See 
“Turning off the light sync function”).

WARNING

Europe only

  Disposal of waste batteries 

(applicable in the European 

Union and other European 

countries with separate 

collection systems)

This symbol on the battery or on the packaging 
indicates that the battery provided with this 
product shall not be treated as household waste. 
On certain batteries this symbol might be used in 
combination with a chemical symbol. The 
chemical symbols for mercury (Hg) or lead (Pb) 
are added if the battery contains more than 
0.0005% mercury or 0.004% lead. By ensuring 
these batteries are disposed of correctly, you will 
help prevent potentially negative consequences 
for the environment and human health which 
could otherwise be caused by inappropriate 
waste handling of the battery. The recycling of 
the materials will help to conserve natural 
resources.
In case of products that for safety, performance 
or data integrity reasons require a permanent 
connection with an incorporated battery, this 
battery should be replaced by qualified service 
staff only. To ensure that the battery will be 
treated properly, hand over the product at 
end-of-life to the applicable collection point for 
the recycling of electrical and electronic 
equipment.
For all other batteries, please view the section on 
how to remove the battery from the product 
safely. Hand the battery over to the applicable 
collection point for the recycling of waste 
batteries.
For more detailed information about recycling of 
this product or battery, please contact your local 
Civic Office, your household waste disposal 
service or the shop where you purchased the 
product.

Licence and Trademark Notice

 MPEG Layer-3 audio coding technology and 

patents licensed from Fraunhofer IIS and 
Thomson.

 Windows Media is either a registered 

trademark or trademark of Microsoft 
Corporation in the United States and/or other 
countries.

 This product contains technology subject to 

certain intellectual property rights of Microsoft. 
Use or distribution of this technology outside 
of this product is prohibited without the 
appropriate license(s) from Microsoft.

 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 is a trademark of Google Inc.

 All other trademarks and registered trademarks 

are of their respective holders. In this manual, 
™ and ® marks are not specified.

Basic Operations

Before using the unit

To turn the power on or off

Press POWER (or OPERATE) 

. You can also turn 

on the power of this unit using the direct 
power-on function (below).
In this manual, operations are mainly explained 
using the direct power-on function.

To use the direct power-on function

Press USB 

, BLUETOOTH 

, RADIO FM/AM 

 

or AUDIO IN 

 while the unit is turned off. The 

power turns on directly in the selected function.

To adjust the volume

Turn VOLUME control 

 clockwise (+) or counter 

clockwise (

).

The volume level of this unit is adjustable in 
steps from 0 to 31. For the 31st step, “VOL MAX” is 
displayed.

To listen through headphones

Connect headphones to the 

 (headphones) jack 

.

To reinforce the bass

Press MEGA BASS 

.

“MEGA BASS” lights up on the display.
To return to normal sound, press the button 
again.

Turning off the automatic 

demonstration (Latin 

American models only)

Since demonstration mode is enabled by default, 
the demonstration will start automatically in the 
following cases;

 when the unit is turned off.

 when there is no audio output in the USB 

function.

 when the Bluetooth connection is not 

established in the Bluetooth function (when 
“NO BT” is displayed).

To turn off the automatic demonstration, press 
PLAY MODE 

 until “DEMO MODE OFF” appears 

on the display.

Note

Demonstration mode does not function when 

operating using batteries.

Turning off the light sync 

function

The light sync function of this unit creates 
lighting effects that synchronize with the music 
source. By default, this function is on but you can 
turn it off as desired.

Press LIGHT SYNC 

 until “LIGHT SYNC OFF” 

appears on the display.

To turn on the function, press the button again 
until “LIGHT SYNC ON” appears while a music 
source is being output in any function.

Listening to music on a USB 

device

You can listen to audio files stored on a USB 
device (a digital music player or USB storage 
media).
Audio files in MP3, WMA and AAC formats* can 
be played on this unit.

*  Files with DRM (Digital Rights Management) 

copyright protection or files downloaded from an 

online music store cannot be played on this unit. If 

you try to play one of these files, the unit plays 

the next unprotected audio file.

Compatible USB devices

Compatibility requirements for the USB 
devices are as follows. Before using with this 
unit, check that your device meets the 
requirements.

 Compliance with USB 2.0 (Full Speed)

 Supports Mass Storage mode*

*  Mass Storage mode is a mode that allows a 

USB device to become accessible to a host 

device, enabling file transfers. Most USB 

devices support Mass Storage mode.

Connect the USB device to the 

 (USB) 

port 

.

Press USB 

 to turn on the USB function.

If the USB device does not have a volume 

label

*

“STORAGE DRIVE” scrolls once on the display, 
then “xxxFLDR”** appears on the display.

If the USB device has a volume label

The volume label* scrolls once on the display, 
then “xxxFLDR”** appears on the display.

*  A volume label is a name that you can assign to 

data storage media or devices.

** “xxx” is the total folder number.

Press 

 

 to start playback.

File number

After the folder name and song title are 
displayed, the file number and playing 
time* appear.

*  If the playing time is more than 100 minutes, it 

appears as “--:--” on the display.

  This unit conforms to version 1.0, 1.1, 2.2, 2.3 and 

2.4 of the ID3 tag format. When a file has ID3 tag 

information, “song title,” “artist name,” and “album 

name” will be displayed. If a file does not have the 

ID3 tag information, the unit displays as follows:

 File name instead of the song title.

 “NO ARTIST” message instead of the artist 

name.

 “NO ALBUM” message instead of the album 

name.

  ID3 tag information can be displayed using up to 

32 characters.

Listening to music wirelessly 

on a Bluetooth device

Using the Bluetooth connection, you can listen to 
music from wirelessly connected Bluetooth 
devices such as mobile phones, smartphones, 
music players, etc. 
This unit supports non-NFC compatible 
Bluetooth devices (hereafter “Bluetooth 
device(s)”) and NFC-compatible smartphones.

Compatible Bluetooth devices

Compatibility requirements for the devices are as 

follows. Before using with this unit, check that 

your device meets the requirements.

 Devices must conform to Bluetooth 

Standard version 3.0.

 Devices must support A2DP (Advanced 

Audio Distribution Profile) and AVRCP 
(Audio/Video Remote Control Profile).

 NFC capability (required only when using 

the NFC pairing function of the unit).

For the latest information on compatible 

Bluetooth devices, including NFC-compatible 

smartphones, check the website below.

For customers in Europe and Russia:

http://support.sony-europe.com/

For customers in Latin America:

http://www.sony-latin.com/index.crp

For customers in other countries/regions:

http://www.sony-asia.com/support

Pairing

Bluetooth devices must be “paired” with each 
other beforehand. Once Bluetooth devices are 
paired, there is no need for pairing again, unless 
pairing information is cleared. With this unit, up 
to 9 Bluetooth devices can be paired.
If your device is an NFC-compatible smartphone, 
the manual pairing procedure is not necessary. 
Use the smartphone with this unit along with the 
procedures described under “To connect with a 
smartphone by one touch (NFC).

When using the Bluetooth function, pay 
attention to the Bluetooth status indicator ( ) on 
the display, which tells you the network status 
between the unit and your device.

Indications for the Bluetooth function
Status

Bluetooth indicator ( )

Bluetooth 
connection is 
off

Off

Pairing or 
communicating 

Flashes

Connection is 
established 

Constantly on

To pair with a Bluetooth device

Keep the Bluetooth device and the unit within 1 
meter of each other for this operation.

Press BLUETOOTH 

 to turn on the 

Bluetooth function.

Press and hold BLUETOOTH   PAIRING 

 

to activate the pairing mode of the unit.

When pairing mode is activated, a 
double-beep will sound and the Bluetooth 
indicator ( ) will flash on the display.
If activation fails, press and hold BLUETOOTH   
PAIRING 

 again, and try to activate the 

pairing mode again.
To cancel the pairing mode after activation, 
press BLUETOOTH   PAIRING 

 at least 2 

seconds.

Perform the pairing procedure on the 
Bluetooth device.

Turn on the Bluetooth device and activate the 
Bluetooth function on your device. For details, 
refer to the instruction manual of your 
Bluetooth device.
When the Bluetooth function of your device is 
activated, your device will search for pairable 
devices and display a list of detected devices 
on the device display. Select this unit from the 
list. This unit appears as “ZS-BTY50/52/55.”
If “ZS-BTY50/52/55” is not displayed, repeat 
the procedure from step 2.

If a passcode is required

Some Bluetooth devices may require a 4-digit 
passcode. If your device requires the 
passcode, enter “0000.”

When pairing of the device is completed and 
the Bluetooth connection is established, the 
Bluetooth indicator ( ) stops flashing and “BT 
AUDIO” appears on the display.

If you want to pair with another Bluetooth 
device, repeat steps 1 to 3. 

Notes on pairing with a Bluetooth device

  If you turn off the unit or power off the Bluetooth 

device before the Bluetooth connection is 

established, pairing information will not be stored, 

and pairing will not be completed.

  Pairing mode is canceled after about 5 minutes. If 

pairing mode is canceled halfway, start over from 

step 2.

  The operation and display may differ depending 

on the Bluetooth device or the version of 

Bluetooth software installed.

  “Passcode” may be called “Passkey,” “PIN code,” 

“PIN number” or “Password,” etc., depending on 

the Bluetooth device. For details on the passcode, 
refer to the 

instruction manual

 of your device.

To connect with a smartphone by one 
touch (NFC)

By touching the unit with an NFC-compatible 
smartphone, the unit is turned on automatically, 
and then proceeds to complete pairing and the 
Bluetooth connection automatically.

Compatible smartphones

Smartphones with a built-in NFC function

(OS: Android 2.3.3 or later, excluding Android 3.x)

What is “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 designated touchpoint on the 

NFC-compatible devices.

Other operations
To

Do this

Pause playback Press 

 

 during playback. 

To resume playback, press 
the button again*.

Stop playback

Press 

 

 to pause 

playback, and then press 
POWER (or OPERATE) 

BLUETOOTH 

, RADIO FM/

AM 

 or AUDIO IN 

.

Select a folder

Press   (Folder) + or 

 

.

Skip files

Press 

 

 or 

 

 once. 

You can skip files one by one.

Reverse/
Fast-forward

Press and hold down 

 

 

or 

 

. Files will be 

skipped continuously until 
you release the button.

Find a point in 
a file

Hold down 

 

 or 

 

 

during playback, and release 
the button at the desired 
point.

Remove a USB 
device

Press 

 

 to pause 

playback, and then press 
POWER (or OPERATE) 

BLUETOOTH 

, RADIO FM/

AM 

 or AUDIO IN 

 to turn 

off the USB function. Then 
remove the USB device.

*  When playing a VBR MP3/WMA/AAC file, the unit 

may resume playback from a different point.

Tips

  Playback starts from the last played audio file 

(Resume play). During pause (Resume stop), the 

file number and playing time of the current audio 

file are displayed.

  The total number of folders is displayed when the 

reading process is completed and the USB device 

stops after the device is connected, or after 

switching to the USB function from an other 

function.

  Only the file number is displayed when playback 

of all audio files ends and the USB device stops.

  To cancel Resume play (to start playback from the 

beginning of the first MP3/WMA/AAC file), press 

 

 to pause playback, and press POWER 

(or 

OPERATE)

 

, BLUETOOTH 

, RADIO FM/AM 

 

or AUDIO IN 

. Then, press 

 

 to start 

playback.

Note

Always pause playback and turn off the USB 

function by pressing POWER (or OPERATE) 

 or a 

function button other than USB 

 before removing 

the USB device. Removing the USB device without 

performing this procedure may corrupt the data on 

the USB device or damage the USB device itself.

To change play modes

Press PLAY MODE 

 repeatedly while the USB 

device is playing or paused.
You can select normal play mode (playback in 
sequence of all files on the USB device), folder 
play mode (“ ” for all files in the specified folder 
on the USB device), repeat play mode (“ ” for 
repeating all files/“  1” for repeating one file), or 
shuffle play mode (“SHUF”). For details, see 
“Selecting play mode” on the back page.

Notes on the USB device

  It may take a long time before playback starts 

when:

 the folder structure is complex.

 the USB device is close to capacity.

  When a USB device is connected, the unit reads all 

the files on the device. If there are many folders or 

files on the device, it may take a long time for the 

unit to finish reading them.

  Do not connect a USB device to the unit through a 

USB hub.

  With some connected USB devices, after an 

operation is performed, there may be a delay 

before it is performed by this unit.

  Operation is not always guaranteed, even if the 

USB devices meet the compatibility requirements.

  This unit may not support all the functions 

provided with a connected USB device.

  The playback order on this unit may differ from 

the playback order on a connected USB device.

  Do not save non-MP3/WMA/AAC files or 

unnecessary folders to a USB device that contains 

MP3/WMA/AAC files.

  During playback, folders that contain no MP3/

WMA/AAC files are skipped.

  The audio formats supported by this unit are as 

follows:

 MP3: file extension “.mp3”

 WMA: file extension “.wma”

 AAC: file extension “.m4a” and “.mp4”

  Note that even if the file name has the correct file 

extension, if the actual file was created in different 

audio format, this unit may produce noise or may 

malfunction.

  MP3 PRO format is not supported.

  WMA files encoded in WMA DRM, WMA Lossless 

and WMA PRO formats cannot be played back.

  AAC files encoded in copyright-protected AAC 

format cannot be played back.

  This unit supports the AAC-LC (AAC Low 

Complexity) profile. The HE-AAC (High Efficiency 

AAC) profile is not supported.

  This unit cannot play audio files on a USB device 

in the following cases;

 when the total number of audio files in a single 

folder exceeds 999.

 when the total number of audio files on a single 

USB device exceeds 65,535.

 when the total number of folders on a single 

USB device exceeds 256 (including the “ROOT” 

folder).

 when the directory level (folder depths) exceeds 

8 (including the “ROOT” folder).

  These numbers may vary depending on the file 

and folder structure.

  Compatibility with all encoding/writing software is 

not guaranteed. If audio files on the USB device 

were originally encoded with incompatible 

software, those files may produce noise or 

interrupted sound, or may not be played back at 

all.

  Folder names and file names can be displayed 

using up to 32 characters, including quotation 

marks.

  Displayable characters are uppercase letters (A to 

Z), numbers (0 to 9) and under score (_). Other 

characters are displayed as “_”.

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

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.
As the main plug is used to disconnect the unit 
from the mains, connect the unit to an easily 
accessible AC outlet. Should you notice an 
abnormality in the unit, disconnect the main plug 
from the AC outlet immediately.
The unit is not disconnected from the AC power 
source (mains) as long as it is connected to the 
wall outlet, even if the unit itself has been turned 
off.
Do not install the appliance in a confined space, 
such as a bookcase or built-in cabinet.
Excessive sound pressure from earphones and 
headphones can cause hearing loss.
Do not expose the batteries (battery pack or 
batteries installed) to excessive heat such as 
sunshine, fire or the like for a long time.
The nameplate is located on the bottom exterior.

Notice for customers: the 

following information is only 

applicable to equipment sold 

in countries applying EU 

directives

This product has been manufactured by or on 
behalf of Sony Corporation, 1-7-1 Konan 
Minato-ku Tokyo, 108-0075 Japan. Inquiries 
related to product compliance based on 
European Union legislation shall be addressed to 
the authorized representative, Sony Deutschland 
GmbH, Hedelfinger Strasse 61, 70327 Stuttgart, 
Germany. For any service or guarantee matters, 
please refer to the addresses provided in the 
separate service or guarantee documents.

For customers in Europe and 

Australia

  Disposal of Old Electrical & 

Electronic Equipment  

(Applicable in the European 

Union and other European 

countries with separate 

collection systems)

This symbol on the product or on its packaging 
indicates that this product shall not be treated as 
household waste. Instead it shall be handed over 
to the applicable collection point for the 
recycling of electrical and electronic equipment.
By ensuring this product is disposed of correctly, 
you will help prevent potential negative 
consequences for the environment and human 
health, which could otherwise be caused by 
inappropriate waste handling of this product. 
The recycling of materials will help to conserve 
natural resources. For more detailed information 
about recycling of this product, please contact 
your local Civic Office, your household waste 
disposal service or the shop where you 
purchased the product.

Power Sources

Download and install the app “NFC Easy 
Connect.”

“NFC Easy Connect” is a free app for Android 
smartphones that can be obtained on Google 
Play. Search for the app using the keyword 
“NFC Easy Connect” on the site, or access the 
download site directly by reading the 
two-dimensional code below.
Note that “NFC Easy Connect” is free but data 
communication fees when downloading are 
charged separately.

Two-dimensional code* for direct access

*  Use a two-dimensional code reader app.

Note

The App may not be available in some countries 

and/or regions.

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

Make sure that the application screen is 
displayed.

Touch the smartphone to the N-marked 
part 

 of the unit until the smartphone 

vibrates.

Vibration cue is provided 

when the smartphone is 

recognized by the unit.

After being recognized by the unit, follow the 
on-screen instructions displayed on the 
smartphone, and complete the procedure for 
Bluetooth connection.
When the Bluetooth connection is established, 
the Bluetooth indicator ( ) stops flashing and 
the message “BT AUDIO” appears on the 
display.

Tip

If pairing and the Bluetooth connection fail, do the 

following.

 Relaunch “NFC Easy Connect” and move the 

smartphone slowly over the N-marked part 

.

 Remove the case from the smartphone if 

using a commercially available smartphone 

case.

To listen to audio

Keep the Bluetooth device (or NFC-compatible 
smartphone) and the unit within 10 meters of 
each other, and check the following before 
operation.

 The Bluetooth function of the device is 

activated.

 Pairing and the Bluetooth connection are 

completed correctly. If not, perform the pairing 
procedure beforehand. (See “To pair with a 
Bluetooth device
” or “To connect with a 
smartphone by one touch (NFC)”).

 

Ą

For a Bluetooth device

Press BLUETOOTH 

 to turn on the 

Bluetooth function.

The last connected device will be connected 
automatically.

Start playback of an audio source such as 
music, videos, games, etc., on the device.

Refer to the instruction manual of your device 
for details on playback operations.

 

Ą

For an NFC-compatible smartphone

Start playback of an audio source such as music, 
videos, games, etc., on the smartphone.
Refer to the instruction manual of your 
smartphone for details on playback operations.

Note

The Bluetooth function turns off when:

 

you press POWER (or OPERATE) 

 to turn off 

the unit.

 

you switch to a function other than Bluetooth 

function.

Tip

If the volume level is low, adjust the volume of the 

unit first. If the volume level is still too low, adjust 

the volume level on the connected Bluetooth device 

or the smartphone.

Tip for the Bluetooth devices

If the last connected device does not connect 

automatically, reselect the Bluetooth function by 

pressing BLUETOOTH 

 after POWER (or OPERATE) 

, USB 

, RADIO FM/AM 

 or AUDIO IN 

 is 

pressed. If it still does not connect, select the model 

name of this unit from the device list (perform step 

3 in “To pair with a Bluetooth device”).

To terminate a Bluetooth connection

You can terminate the Bluetooth connection 
using any of the following operations.

 

Ą

For a Bluetooth device

 Turn off the unit.

 Turn off the device.

 Press POWER (or OPERATE) 

, USB 

, RADIO 

FM/AM 

 or AUDIO IN 

.

 Disable the Bluetooth function on the device.

 

Ą

For an NFC-compatible smartphone

 Touch the smartphone to the N-marked part 

 

again.

 Turn off the unit.

 Turn off the device.

 Press POWER (or OPERATE) 

, USB 

, RADIO 

FM/AM 

 or AUDIO IN 

.

 Disable the Bluetooth function on the 

smartphone.

To clear the paired device 
information stored in the unit

Press BLUETOOTH 

 to turn on the 

Bluetooth function.

Press FM MONO 

, DISPLAY 

 and 

TUNE 

 

 at the same time.

“BT RESET” appears on the display.

Press ENTER 

 to reset and clear the 

paired device information.

When the paired device information is cleared, 
“COMPLETE” appears on the display.
To cancel this reset operation, press FM MONO 

, DISPLAY 

 and TUNE 

 

 again before 

pressing ENTER 

.

Using the AC power cord

Connect the AC power cord 

, or insert six R14 (size C) batteries (not supplied) into the battery 

compartment 

.

To a wall outlet

To AC IN

AC power cord (supplied)

or

Notes

  Replace the batteries when the OPR/BATT indicator 

 dims, or when the unit becomes inoperable. Replace all 

the batteries with new ones. Before you replace the batteries, be sure to disconnect any USB device and any 

optional component from the unit.

  To use the unit on batteries, disconnect the AC power cord from the unit and the wall outlet.

To use the power-management function (European models only)

This unit is equipped with an automatic standby function. With this function, the unit enters standby 
mode automatically in about 20 minutes when there is no operation or audio signal output. 
To turn the standby mode on or off, press DISPLAY 

 and 

/ENTER 

 at the same time. Each time you 

press the button, “AUTO STANDBY ON” or “AUTO STANDBY OFF” appears on the display.

Notes

  The message “AUTO.STBY” starts flashing on the display about 2 minutes before entering standby mode.

  In standby mode, with the AC power cord connected, “STANDBY” appears on the display.

  The automatic standby function is not available in the FM/AM function.

Listening to the radio

Press RADIO FM/AM 

 repeatedly to 

select the band.

Each time you press the button, the indication 
changes as follows:
“FM” 

 “AM”

Press and hold TUNE + or 

 

 until the 

frequency digits begin to change on the 
display.

    

The unit automatically scans the radio 
frequencies and stops when it finds a clear 
station.
If you cannot tune to a station using the 
automatic tuning mode, press TUNE + or 

 

 

repeatedly to change the frequency step by 
step.
When an FM stereo broadcast is received, “ST” 
lights up on the display.

Tip

If the stereo FM reception is noisy, press FM MONO 

 until “MONO” appears on the display. You will 

lose the stereo effect, but the broadcast will 

improve.

      

To change the FM/AM tuning interval

The FM/AM tuning interval can be changed if 
necessary using the following procedure.
Note that this function is not available on 
European, Australian, Taiwan and Latin American 
models, except for Uruguay, Paraguay, Peru and 
Chile models.

Press RADIO FM/AM 

 repeatedly to 

select the band.

Press 

 

 or 

 

 to select 

“MANUAL,” and then press ENTER 

.

“FM-xx” appears on the display.

Press and hold RADIO FM/AM 

 until 

the current tuning step appears.

Press 

 

 or 

 

 to select the 

desired tuning step.

“FM 50K” (for 50 kHz interval) or “FM 100K” (for 
100 kHz interval) in the FM band, and “AM 9K” 
(for 9 kHz interval) or “AM 10K” (for 10 kHz 
interval) in the AM band can be selected.

Press ENTER 

.

Changing the tuning interval erases all the FM/
AM preset stations stored in the unit. Reset your 
preset stations after changing the tuning 
interval.

To improve radio reception

 Reorient the antenna to improve FM reception.

 Reorient the unit itself to improve AM 

reception.

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