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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 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.

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 and important information 
concerning safety are located on the bottom 
exterior.

License and Trademark Notice

ˎ

ˎ

MPEG Layer-3 audio coding technology and 
patents licensed from Fraunhofer IIS and 
Thomson.

ˎ

ˎ

Windows Media is either a registered 
trademark or trademark of Microsoft 
Corporation in the United States and/or other 
countries.

ˎ

ˎ

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.

ˎ

ˎ

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.

ˎ

ˎ

The N Mark is a trademark or registered 
trademark of NFC Forum, Inc. in the United 
States and in other countries.

ˎ

ˎ

Android is a trademark of Google Inc.

ˎ

ˎ

Other trademarks and trade names are those 
of their respective owners.

Power Sources

Using the AC power cord or batteries

Connect the AC power cord 

, or insert eight R20 (size D) batteries (not supplied) into the battery 

compartment 

.

AC power cord (supplied)

To a wall outlet

 To AC IN

Notes

ˎ

ˎ

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 remove any disc and disconnect any 
USB device and any optional component from the unit.

ˎ

ˎ

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

ˎ

ˎ

When you operate the unit on batteries, you cannot turn on the unit using the remote.

About the power-management function (Only for Europe models)

A power-management function is installed in this unit. With this function, the unit enters standby mode 
automatically after about 15 minutes when there is no operation or audio signal output.

Notes

ˎ

ˎ

The message “AUTOSTBY” will flash on the display for about 2 minutes before entering standby mode.

ˎ

ˎ

When the unit is in standby mode with the AC power cord connected, “STANDBY” appears on the display.

ˎ

ˎ

The power-management function is not available for the radio.

Preparing the remote

Insert two R6 (size AA) batteries (not supplied).

To replace batteries

With normal use, the batteries should last for about 6 months. When the remote no longer operates the 
unit, replace both batteries with new ones.

Basic Operations

*  

 

 (on the unit and remote) 

and  

 (on the 

remote) have a tactile dot.

Unit

Remote

Before using the unit

To turn the power on or off

Press 



 (



 (AC ONLY) on the remote) 

.

To adjust the volume

Turn VOLUME 

 clockwise (+) or 

counterclockwise (

) on the unit, or press 

VOLUME 

 or + 

 on the remote.

The volume level of this unit is adjustable in 
steps from 0 (“VOL 0” on the display) to 31 (“VOL 
MAX” on the display).

To select the sound characteristic

Press ROCK, POP, HIP-HOP, REGUETON, 
ELECTRONICA, or FLAT 

 to select the desired 

audio emphasis.
On the remote, each time you press SOUND 

the audio emphasis setting changes as follows:
ROCK

POP

HIP-HOP

FLAT

ELECTRONICA

REGUETON

To reinforce the bass

Press POWER DRIVE WOOFER 

 (WOOFER 

 on 

the remote) repeatedly to select the type of bass 
sound with speaker lighting effect. Each time you 
press the button, the indication changes as 
follows:
WOOFER 2 LIGHT SYNC* (default)

Off

WOOFER 2

WOOFER 1

*  The light sync function creates lighting effects 

that synchronize with the music.

Setting the automatic 

demonstration  

(Except Europe models)

An automatic demonstration mode is installed in 
this unit, and default setting is on. When the 
setting is on, the speaker lighting effect will 
activate in the following cases;

ˎ

when the unit is turned off

ˎ

when no playback in the CD or USB function

ˎ

when the BLUETOOTH connection is not 
established in the BLUETOOTH function (when 
“NO BT” is displayed)

To set the automatic demonstration 
on/off

With the unit turned on, hold down MODE 

 

until “DEMO MODE OFF” (setting is off) or “DEMO 
MODE ON” (setting is on) appears on the display.

Note

Demonstration mode does not function when 
operating using batteries.

Playing a music disc

You can play the following types of discs with 
this unit.

ˎ

Audio CDs on which CD-DA tracks are recorded 
in CD-DA disc format.

ˎ

CD-R/CD-RW discs on which MP3 or WMA 
audio files are recorded in ISO 9660 Level 1/
Level 2 or Joliet.

Press CD 

 to turn on the CD function.

Press 

 PUSH OPEN/CLOSE 

, and place 

a disc with the label side up into the CD 
compartment.

Press 

 PUSH OPEN/CLOSE 

 to close 

the CD compartment.

Press 

 

 to start playback.

When you play an MP3 or WMA disc, “MP3” 
(for MP3 files) or “WMA” (for WMA files) lights 
up on the display.

Audio CD

Track number

Playing time

MP3/WMA disc

MP3/WMA file number

After the song title*

1

 is displayed, 

the playing time*

2

 will appear.

*

1

 If there is no song title in the ID3 or WMA tag 

information, the file name will be displayed.

*

2

 If the playing time exceeds 100 minutes, “--:--” 

appears on the display.

Other operations

To

Do this

Pause playback Press 

 

. To resume 

playback, press the button 
again.

Stop playback

Press 

 

.

Select a folder 
on an MP3/
WMA disc

Press   

 or + 

.

Select a track/
file

Press 

 or 

 

. You can 

skip tracks/files one by one.

Find a point in a 
track/file

Hold down 

 or 

 

 

during playback, and release 
the button at the desired 
point. When locating a point 
in pause status, press 

 

 

to start playback after the 
desired point is found.

Example of folder structure and 
playing order

The playing order of the folders and files is as 
follows:

Folder
MP3/WMA file

Notes on MP3/WMA discs

ˎ

ˎ

When a disc is loaded, the unit reads all the files 
on that disc. During this time, “READING” is 
displayed. If there are many folders or non-MP3/
WMA files on the disc, it may take a long time for 
play to begin or for the next MP3/WMA file to 
start to play.

ˎ

ˎ

We recommend that non-MP3/WMA files or 
unnecessary folders are excluded when creating 
MP3/WMA discs.

ˎ

ˎ

During playback, folders that contain no MP3/
WMA files are skipped.

ˎ

ˎ

The audio formats supported by this unit are as 
follows:

ˎ

MP3: file extension “.mp3”

ˎ

WMA: file extension “.wma”

Note that even though a file name has a 
supported file extension but the actual file was 
created in a different audio format, this unit may 
produce noise or may malfunction.

ˎ

ˎ

MP3 PRO format is not supported.

ˎ

ˎ

WMA files encoded in WMA DRM, WMA Lossless 
and WMA PRO formats cannot be played back.

ˎ

ˎ

This unit cannot play audio files on a disc in the 
following cases:

ˎ

When the total number of audio files exceeds 
512.

ˎ

When the total number of folders on a single 
disc exceeds 255.

ˎ

When the directory level (folder depths) exceeds 
9 (including the “ROOT” folder).

ˎ

ˎ

Folder names and file names can be displayed 
with up to 35 characters, including quotation 
marks.

ˎ

ˎ

Characters and symbols that cannot be displayed 
by the unit will appear as “_.”

ˎ

ˎ

This unit conforms to version 1.0, 1.1, 2.2, 2.3 and 
2.4 of the ID3 tag format for MP3 files and the 
WMA tag format (defined by the ASF (Advanced 
Systems Format) specification) for WMA files. 
When a file has the ID3 or WMA tag information, 
song title, artist name, and album name will be 
displayed. If a file does not have the tag 
information, the unit displays as follows:

ˎ

File name instead of the song title.

ˎ

“NO ARTIST” message instead of the artist 
name.

ˎ

“NO ALBUM” message instead of the album 
name.

ID3 tag information can be displayed for up to 40 
characters and WMA tag information can be 
displayed for up to 40 characters.

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.

ˎ

ˎ

Complies with USB 2.0 (Full Speed)

ˎ

ˎ

Supports Mass Storage mode*
*  Mass Storage mode allows a USB device to 

become accessible to a host device, enabling 
file transfer. Most USB devices support Mass 
Storage mode.

Connect the USB device to the 

 (USB) 

port 

.

Note

This unit cannot be used to charge USB devices.

Press USB 

 to turn on the USB function.

Press 

 

 to start playback.

File number

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

*  If the playing time exceeds 100 minutes, “--:--” 

appears on the display.

Other operations

To

Do this

Pause playback Press 

 

. To resume 

playback, press the button 
again*.

Stop playback

Press 

 

.

Select a folder

Press   

 or + 

.

Select a file

Press 

 or 

 

. You can 

skip files one by one.

Find a point in a 
file

Hold down 

 or 

 

 

during playback, and release 
the button at the desired 
point. When locating a point 
in pause status, press 

 

 

to start playback after the 
desired point is found.

Remove a USB 
device

Hold down 

 

 until “NO 

DEV” appears on the display, 
then remove the USB device.

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

may resume playback from a different point.

Tips

ˎ

ˎ

Playback starts from the MP3/WMA/AAC file you 
last stopped playing (Resume play). During stop, 
the file number and the elapsed playing time are 
displayed.

ˎ

ˎ

To cancel resume play (to start play from the 
beginning of the first MP3/WMA/AAC file), press 

 

.

Note

When you remove the USB device, always hold 
down 

 

 and make sure that “NO DEV” appears 

before removing the USB device. Removing the USB 
device without performing this procedure may 
corrupt the data on the USB device or damage the 
device itself.

To change play mode

Press MODE 

 repeatedly while a USB playback 

is stopped.
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

ˎ

ˎ

You cannot change the play mode during 
playback.

ˎ

ˎ

It may take a long time before playback starts 
when:

ˎ

the folder structure is complex.

ˎ

the USB device is close to capacity.

ˎ

ˎ

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.

ˎ

ˎ

Do not connect a USB device to the unit through a 
USB hub.

ˎ

ˎ

With some connected USB devices, after an 
operation is performed, there may be a delay 
before the operation starts.

ˎ

ˎ

Operation is not always guaranteed, even if the 
USB devices meet the compatibility requirements.

ˎ

ˎ

This unit may not support all the functions 
provided with a connected USB device.

ˎ

ˎ

This unit cannot be used to charge USB devices.

ˎ

ˎ

 Files recorded by this unit are played back in the 
order of folder creation. Files recorded by a device 
other than this unit (such as a computer) may not 
be played back in the order in which they were 
recorded.

ˎ

ˎ

The playback order on this unit may differ from 
the playback order on a connected USB device.

ˎ

ˎ

Do not save non-MP3/WMA/AAC files or 
unnecessary folders to a USB device that contains 
MP3/WMA/AAC files.

ˎ

ˎ

During playback, folders that contain no MP3/
WMA/AAC files are skipped.

ˎ

ˎ

The audio formats supported by this unit are as 
follows:

ˎ

MP3: file extension “.mp3”

ˎ

WMA: file extension “.wma”

ˎ

AAC: file extension “.m4a”

Note that even though a file name has a 
supported file extension but the actual file was 
created in different audio format, this unit may 
produce noise or may malfunction.

ˎ

ˎ

MP3 PRO format is not supported.

ˎ

ˎ

WMA files encoded in WMA DRM, WMA Lossless 
and WMA PRO formats cannot be played back.

ˎ

ˎ

AAC files encoded in copyright-protected AAC 
format cannot be played back.

ˎ

ˎ

This unit supports the AAC-LC (AAC Low 
Complexity) profile. The HE-AAC (High Efficiency 
AAC) profile is not supported.

ˎ

ˎ

This unit cannot play audio files on a USB device 
in the following cases;

ˎ

when the total number of audio files in a single 
folder exceeds 999.

ˎ

when the total number of audio files on a single 
USB device exceeds 999.

ˎ

when the total number of folders on a single 
USB device exceeds 300 (including the “ROOT” 
folder).

ˎ

when the directory level (folder depths) exceeds 
9 (including the “ROOT” folder).

These numbers may vary depending on the file 
and folder structure.

ˎ

ˎ

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 play back at all.

ˎ

ˎ

Folder names and file names can be displayed 
using up to 40 characters, including quotation 
marks.

ˎ

ˎ

Characters and symbols that cannot be displayed 
by the unit will appear as “_.”

ˎ

ˎ

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:

ˎ

File name instead of the song title.

ˎ

“NO ARTIST” message instead of the artist 
name.

ˎ

“NO ALBUM” message instead of the album 
name.

ID3 tag information can be displayed using up to 
40 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.

ˎ

ˎ

Devices must conform to BLUETOOTH Standard 
version 3.0.

ˎ

ˎ

Devices must support A2DP (Advanced Audio 
Distribution Profile) and AVRCP (Audio/Video 
Remote Control Profile).

ˎ

ˎ

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 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 5 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 shows the network status 
between the unit and your device.

Indications for the BLUETOOTH function

Status

BLUETOOTH indicator  
( )

BLUETOOTH 
connection is off

Off

Pairing, 
communicating or 
connecting process

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   PAIRING 

 to turn 

on the BLUETOOTH function.

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

 again.

Tip

When you turn on the BLUETOOTH function for 
the first time, this unit will automatically enter the 
pairing mode and the BLUETOOTH indicator ( ) 
will start flashing.

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, it will search for pairable devices 
and display a list of detected devices on its 
display. Select this unit from the list. This unit 
appears as “SONY:ZS-BTG905.”
If “SONY:ZS-BTG905” 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 a 
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 2 to 3.

Notes on pairing with a BLUETOOTH device

ˎ

ˎ

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.

ˎ

ˎ

Pairing mode is canceled after about 5 minutes. If 
pairing mode is canceled before completion, start 
over from step 2.

ˎ

ˎ

The operation and display may differ depending 
on the BLUETOOTH device or the version of 
BLUETOOTH software installed.

ˎ

ˎ

“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.

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

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 unit with the smartphone.

Keep touching the smartphone on the 
N-marked part 

 of the unit until the 

smartphone responds.

Note

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 
(unit recognized)

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.

ˎ

Relaunch “NFC Easy Connect” and move the 
smartphone slowly over the N-marked part 

.

ˎ

Remove the case from the smartphone if using a 
commercially available smartphone case.

To use the BLUETOOTH standby 
function

By using the BLUETOOTH standby function, the 
unit can be turned on and operated by a 
BLUETOOTH device.

When the unit is turned on, hold down 



 

 for at least 2 seconds.

The BLUETOOTH standby function is activated 
and the unit turns off automatically. “BT 
STANDBY” will light up on the display while the 
unit is turning off.

To cancel the BLUETOOTH standby 
function

When the unit is turned on, hold down 



 

 

for at least 2 seconds. The unit turns off, and no 
indication will be displayed.

Notes

ˎ

ˎ

The BLUETOOTH standby function is not available 
when you use the unit on batteries.

ˎ

ˎ

The BLUETOOTH standby function is available only 
when this unit is turned off.

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.

ˎ

The BLUETOOTH function of the device is 
activated.

ˎ

Pairing and the BLUETOOTH connection are 
completed correctly. If not, perform the pairing 
procedure. (see “To pair with a BLUETOOTH 
device” or “To connect with a smartphone by 
one touch (NFC)”).

ˎ

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.

ˎ

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:

ˎ

you press 



 

 to turn off the unit.

ˎ

you switch to a function other than the 
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, try the following;

ˎ

press CD, USB, RADIO FM/AM, AUDIO IN 

, or 

restart the unit.

ˎ

then, press BLUETOOTH 

 to turn on the 

BLUETOOTH function again.

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.

ˎ

For a BLUETOOTH device

ˎ

ˎ

Turn off the unit.

ˎ

ˎ

Turn off the device.

ˎ

ˎ

Press CD, USB, RADIO FM/AM, or AUDIO IN 

.

ˎ

ˎ

Disable the BLUETOOTH function on the device.

ˎ

For an NFC-compatible smartphone

ˎ

ˎ

Touch the smartphone to the N-marked part 

 again.

ˎ

ˎ

Turn off the unit.

ˎ

ˎ

Turn off the smartphone.

ˎ

ˎ

Press CD, USB, RADIO FM/AM, or AUDIO IN 

.

ˎ

ˎ

Disable the BLUETOOTH function on the 
smartphone.

Illumination

Illumination

When connected to a BLUETOOTH device, the illumination lamp lights up or flashes blue.
When using CD, USB, radio, AUDIO IN function, or when the BLUETOOTH is disconnected, the illumination 
lamp lights up white.

Tip

To turn the illumination on/off, hold down  /TUNE - 

 and BLUETOOTH 

 for 2 seconds when the BLUETOOTH 

function is on.

Listening to the radio

Press RADIO FM/AM 

 repeatedly to 

select AM or FM.

Each time you press the button, the indication 
switches between “AM” and “FM.”

Hold down 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 
signal.
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 MODE 

 

until “MONO” appears on the display. You will lose 
the stereo effect, but the broadcast reception will 
improve.

To improve radio reception

ˎ

ˎ

Reorient the antenna to improve FM reception.

ˎ

ˎ

Reorient the unit itself to improve AM 
reception.

Recording from a disc to a 

USB device

You can record music from a disc to the USB 
device by connecting a USB device (a digital 
music player or USB storage media) to the 

 

(USB) port 

.

This unit supports recording from CD-DA and 
MP3/WMA discs only. Sound from the 
BLUETOOTH, radio or AUDIO IN cannot be 
recorded to a USB device.
Audio files are recorded on this unit in the MP3 
or WMA format.
The approximate recording size is about 1 MB per 
minute of recording time from a CD. The file size 
may be larger for recordings made from an MP3/
WMA disc.

Compatible USB devices

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

ˎ

ˎ

Complies with USB 2.0 (Full Speed)

ˎ

ˎ

Supports Mass Storage mode*
*  Mass Storage mode allows a USB device to 

become accessible to a host device, enabling 
file transfer. Most USB devices support Mass 
Storage mode.

Synchro Recording

This function allows you to easily record an entire 
disc onto a USB device.

Connect the USB device with recording 
capability to the 

 (USB) port 

.

Press CD 

 to turn on the CD function.

Insert the disc that you want to record.

Press REC CD 

 USB 

.

“REC” flashes, and “CD SYNC” and “PUSH ENT” 
appear alternately on the display.
The USB REC/ERASE indicator 

 flashes red.

Notes

ˎ

ˎ

If the recording process is not ready, “CD SYNC” 
and “PLEASE WAIT” appear alternately on the 
display.

ˎ

ˎ

If the amount of free space is less than 5 MB, 
“DEVICE FULL” will be displayed.

Press ENTER 

 to start recording.

The USB REC/ERASE indicator 

 flashes red 

and stays on during the recording. The unit 
and the USB device automatically stop when 
the recording is completed.

REC1 Recording

This procedure allows you to easily record the 
currently playing track or MP3/WMA file to a USB 
device.

Connect the USB device with recording 
capability to the 

 (USB) port 

.

Press CD 

 to turn on the CD function.

Insert the disc with the track or MP3/
WMA file.

Select the track or MP3/WMA file that 
you want to record and start playback.

Press REC CD 

 USB 

 while the 

selected track or MP3/WMA file is 
playing or pausing.

“REC” flashes, and “REC1” and “PUSH ENT” 
appear alternately on the display.
The USB REC/ERASE indicator 

 flashes red.

Notes

ˎ

ˎ

If the recording process is not ready, “REC1” and 
“PLEASE WAIT” appear alternately on the 
display.

ˎ

ˎ

If the amount of free space is less than 5 MB, 
“DEVICE FULL” will be displayed.

Press ENTER 

 to start recording.

When recording is completed, the CD player 
continues to play.

To stop recording

Press 

 

.

The USB REC/ERASE indicator 

 turns off.

To remove the USB device

Press USB 

 to turn on the USB function 

when the recording is stopped.

Hold down 

 

 until “NO DEV” appears.

Remove the USB device.

To erase MP3/WMA/AAC files or 
folders in a USB device

You can erase MP3/WMA/AAC files or folders in 
a USB device.

Connect the USB device to the 

 (USB) 

port 

.

Press USB 

 to turn on the USB function.

Press ERASE 

.

“SELECT” and “FLDR/TRK” appear alternately 
on the display.

Press   

 or + 

 repeatedly to select a 

folder.

“FOLDER” appears, followed by “ERASE?”
If you erase a whole folder, proceed to step 6.
If you select and erase a file, proceed to step 
5.
To cancel the erase operation, press 

 

.

Press 

 or 

 

 repeatedly to select 

the file that you want to erase.

“TRACK” appears, followed by “ERASE?”
To cancel the erase operation, press 

 

.

Press ENTER 

.

“ERASE??” appears on the display. Press ENTER 

 again.

The USB REC/ERASE indicator 

 flashes red 

and the selected MP3/WMA/AAC file or folder 
is erased.
When the erase operation is completed, 
“COMPLETE” appears on the display.

Press 

 

 to finish the erase operation.

The USB REC/ERASE indicator 

 turns off.

Folder and file generation rules

When a recording operation is first performed on 
a USB device, a “MUSIC” folder is created in the 
“ROOT” folder. Folders and files are generated 
within this “MUSIC” folder as follows, according 
to the recording method.

Synchro Recording

Recording 
source

MP3

WMA

CD-DA

Destination 
folder

CD-MP3_WMA

CD-DA

Folder 
name

Same as the 
recording source*

1

CDDA0001*

2

File name

TRACK0001*

3

REC1 recording

Recording 
source

MP3

WMA

CD-DA

Destination 
folder

REC1

Folder 
name

REC1-MP3_WMA*

4

REC1-CD*

4

File name

Same as the 
recording source*

1

TRACK0001*

3

*

1

 Up to 35 characters of the name are assigned.

*

2

 Folder names are assigned in sequential order up 

to a maximum of 300 (including “ROOT” and 
“MUSIC” folder).

*

3

 File names are assigned in sequential order.

*

4

 A new file is recorded to the “REC1-xxx” folder 

each time REC1 recording is performed.

Notes

ˎ

ˎ

Do not remove the USB device during recording or 
erase operations.  
Doing so may corrupt the data on the USB device 
or damage the USB device itself.

ˎ

ˎ

Do not connect a USB device to the unit through a 
USB hub.

ˎ

ˎ

When recording from a CD, the tracks are recorded 
as MP3 files at 128 kbps. When recording from an 
MP3/WMA disc, MP3/WMA files are recorded with 
the same bit rate as the original MP3/WMA files.

ˎ

ˎ

CD text information is not included in the MP3/
WMA files.

ˎ

ˎ

If you cancel a recording before it is completed, an 
MP3/WMA file is created with the contents up to 
the point the recording was stopped.

ˎ

ˎ

Recording stops automatically if:

ˎ

the USB device runs out of space during 
recording.

ˎ

the number of MP3/WMA files on the USB 
device reaches the limit that the unit can 
recognize.

ˎ

ˎ

A maximum of 999 MP3/WMA files and 300 
folders can be contained on a single USB device 
(including “ROOT” and “MUSIC” folder). 
The maximum number of MP3/WMA files and 
folders may vary, depending on the MP3/WMA file 
and folder structure.

ˎ

ˎ

If a folder to be erased contains non-MP3/WMA/
AAC format files or sub folders, these are not 
erased.

ˎ

ˎ

If a folder or file with the same name as the one 
you are trying to record already exists on the USB 
device, a sequential number is added after the 
name for the newly recorded folder or file to avoid 
overwriting the existing one.

ˎ

ˎ

When recording, there is no sound output.

Personal Audio System

Operating Instructions

4-466-019-

13

(1)

ZS-BTG905

 

©2013 Sony Corporation  Printed in China

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