
OWNER’S MANUAL
Sound Bar
Please read this manual carefully before operating
your set and retain it for future reference.
MODEL
SN1
Copyright © 2020 LG Electronics Inc. All Rights Reserved.
www.lg.com
1806_Rev01

1 Getting Started
Getting Started2
Getting Started
1
Safety Information
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC
SHOCK DO NOT REMOVE COVER (OR BACK)
NO USER-SERVICEABLE PARTS INSIDE REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL.
This lightning ash with arrowhead
symbol within an equilateral
triangle is intended to alert the
user to the presence of uninsulated
dangerous voltage within the
product’s enclosure that may be of
sufcient magnitude to constitute
a risk of electric shock to persons.
The exclamation point within an
equilateral triangle is intended
to alert the user to the presence
of important operating and
maintenance (servicing)
instructions in the literature
accompanying the product.
WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK
HAZARD, DO NOT EXPOSE THIS PRODUCT TO RAIN
OR MOISTURE.
CAUTION: The apparatus should not be exposed to
water (dripping or splashing) and no objects lled
with liquids, such as vases, should be placed on the
apparatus.
WARNING: Do not install this equipment in a
conned space such as a book case or similar unit.
CAUTION: Do not use high voltage products around
this product. (ex. Electrical swatter) This product may
malfunction due to electrical shock.
CAUTION: No naked ame sources, such as lighted
candles, should be placed on the apparatus.
CAUTION: Do not block any ventilation openings.
Install in accordance with the manufacturer’s
instructions.
Slots and openings in the cabinet are provided
for ventilation and to ensure reliable operation of
the product and to protect it from over heating.
The openings shall never be blocked by placing
the product on a bed, sofa, rug or other similar
surface. This product shall not be placed in a built-
in installation such as a bookcase or rack unless
proper ventilation is provided or the manufacturer’s
instruction has been adhered to.

Getting Started 3
Getting Started
1
CAUTION concerning the Power Cord
The Power Plug is the disconnecting device. In case
of an emergency, the Power Plug must remain readily
accessible.
Check the specication page of this owner’s manual
to be certain of the current requirements.
Do not overload wall outlets. Overloaded wall outlets,
loose or damaged wall outlets, extension cords,
frayed power cords, or damaged or cracked wire
insulation are dangerous. Any of these conditions
could result in electric shock or re. Periodically
examine the cord of your device, and if its appearance
indicates damage or deterioration, unplug it,
discontinue use of the device, and have the cord
replaced with an exact replacement part by an
authorized service center. Protect the power cord
from physical or mechanical abuse, such as being
twisted, kinked, pinched, closed in a door, or walked
upon. Pay particular attention to plugs, wall outlets,
and the point where the cord exits the device.
NOTICE: For safety marking information including
product identication and power supply ratings,
please refer to the main label on the bottom or the
other surface of the product.
This device is equipped with a portable battery or
accumulator.
How to Safely remove the batteries or the
battery pack from the equipment: To Remove the
old batteries or battery pack, follow the assembly
steps in reverse order. To prevent contamination of
the environment and bring on possible threat to
human and/or animal health, the old batteries or the
battery pack must be put in an appropriate container
at designated collection points. Do not dispose
of batteries or battery pack together with other
waste. It is recommended that you use local, free
reimbursement systems batteries or battery packs,
(may not be available in your area). The batteries or
the battery pack should not be exposed to excessive
heat such as sunshine, re or the like.

Getting Started4
Getting Started
1
Symbols
~
Refers to alternating current (AC).
0
Refers to direct current (DC).
Refers to class II equipment.
1
Refers to stand-by.
!
Refers to “ON” (power).
Refers to dangerous voltage.

Table of Contents 5
1
2
3
4
5
Table of Contents
1 Getting Started
2 Safety Information
6 Unique features
6 Introduction
6 – Symbols used in this manual
7 Remote control
8 Front panel
8 Rear panel
9 About LED condition
11 Installing the sound bar
2 Connecting
12 Connecting to your TV
12 – Using an OPTICAL cable
12 – LG Sound Sync
14 Optional equipment connection
14 – OPTICAL IN connection
14 – PORT. IN connection
15 – USB connection
15 – Compatible USB devices
15 – USB device requirement
16 – Playable file
3 Operating
17 Basic operations
17 – USB operation
17 Other operations
17 – Turn off the sound temporarily
17 – Using your TV remote control
18 – DRC (Dynamic Range Control)
18 – Auto power down
18 – AUTO POWER On/Off
19 – Auto function change
20 Using BLUETOOTH® technology
20 – Listening to music stored on the Bluetooth
devices
21 – BLUETOOTH connection lock (BT lock)
22 Using BLUETOOTH App
22 – Install “Music Flow Bluetooth” App onto
Your BLUETOOTH Device
22 – Activate Bluetooth with “Music Flow
Bluetooth” App
24 Sound adjustment
24 – Setting the surround mode
24 – Night mode
4 Troubleshooting
25 Troubleshooting
25 – General
26 – NOTES to use wireless
5 Appendix
27 Trademarks and licenses
28 Specifications
29 Maintenance
29 – Handling the unit

Getting Started6
Getting Started
1
Unique features
Auto power down
This unit supports to turn off by itself for saving
energy consumption.
Portable In
Listen to music from your portable device.
(MP3 player, Notebook, Smart phone, etc..)
LG Sound Sync
Controls volume level of this unit by the remote
control of your LG TV that is compatible
with LG Sound Sync.
BLUETOOTH®
Listens to music stored on your Bluetooth device.
USB playback
Listens to music stored on your USB device.
Introduction
Symbols used in this manual
,
Note
Indicates special notes and operating features.
>
Caution
Indicates cautions for preventing possible damages
from abuse.

Getting Started 7
Getting Started
1
Remote control
Replacement of battery
Remove the battery cover on the rear of the remote
control, and insert battery with 4 and 5 matched
correctly.
• • • • • • • • • • • • • • a • • • • • • • • • • • • •
1 (Power) : Switches the unit ON or OFF
F (Function): Selects the function and the input
source.
ASC
: Analyzes the property of input sound and
provides the sound optimized for the content in real
time.
[ (Mute) : Mutes the sound.
VOL (Volume) o/p : Adjusts speaker volume.
BASS BLAST : Selects reinforce the treble, bass and
surround sound.
CINEMA : Selects cinematic surround sound.
• • • • • • • • • • • • • • b • • • • • • • • • • • • •
C/V (Skip/Search) :
- Skips Fast backward or Forward.
- Searches for a section within a le.
N (Play/Pause) : Starts playback. / Pauses playback.
NIGHT ON/OFF :
- Turns on or off Night mode.
- Controls this unit using TV remote. (Page 17)
DRC ON/OFF : Dynamic Range Control optimizes
the volume level of compatible Dolby Digital content.
AUTO POWER ON/OFF :
-
Turns on or off AUTO POWER function. (Page 18)
- Turns on or off the Bluetooth connection lock
function. (Page 21)

Getting Started8
Getting Started
1
A 1/! (Standby/On)
B F (Function)
Selects the function and input source.
C p/o (Volume)
Adjusts volume level.
D Standby LED
It lights up in red on standby mode.
E Remote sensor
F Function LED
G Speakers
Front panel
A B C
D E
F
G
G
Rear panel
B
A
C
A PORT.IN : Connect to a Portable device.
B OPTICAL IN : Connect to an Optical device.
C USB
: Connect to a USB device.

Getting Started 9
Getting Started
1
About LED condition
: LED is staying on. : LED is blinking. : LED is off.
LED Condition
Description
OPTICAL LED turns on. OPTICAL function is selected.
OPTICAL LED blinks twice and
turns on.
LG Sound Sync (Optical) function is
selected.
USB LED turns on. USB function is selected.
USB LED blinks. Paused USB playback.
Bluetooth LED turns on. Paired with Bluetooth device.
Bluetooth LED blinks. Waiting for Bluetooth connection.
PORTABLE LED turns on. PORTABLE function is selected.
LG TV LED turns on.
LG Sound Sync (Wireless) function is
selected.
y When you press any button, standby LED (Red) on the main unit blinks.
y When you press [ (Mute) button, standby LED (Red) blinks slowly.
y When this unit reaches minimum volume, standby LED (Red) turns on for 2 seconds and blinks slowly.
y When this unit reaches maximum volume, standby LED (Red) turns on for 2 seconds.
y When you press volume (o/p) button continually, standby LED (Red) blinks quickly.
,
Note

Getting Started10
Getting Started
1
Useful functions for using the unit
Function Description To do Do this
TV Remote On/
Off
(Page 17)
It allows you to control the
volume of this unit by your TV
remote control even by other
company’s product.
Initial setting of this function
was set to on.
ON Press and hold NIGHT ON on the remote
control for about 2 seconds.
The standby LED blinks once.
OFF Press and hold NIGHT OFF on the remote
control for about 2 seconds.
The standby LED blinks once.
BT Lock On/Off
(Page 21)
It allows you to connect a
Bluetooth device only on
Bluetooth and LG TV functions.
Initial setting of this function
was set to off.
ON Press and hold AUTO POWER ON on the
remote control for about 2 seconds in
Bluetooth function.
The standby LED blinks once.
OFF Press and hold AUTO POWER OFF on
the remote control for about 2 seconds in
Bluetooth function.
The standby LED blinks once.
Auto Power
On/Off
(Page 18)
It allows the unit to turn on
and off automatically by input
signals :
Optical, LG TV or Bluetooth
Initial setting of this function
was set to on.
ON Press AUTO POWER ON on the remote
control.
The standby LED blinks once.
OFF Press AUTO POWER OFF on the remote
control.
The standby LED blinks once.

Getting Started 11
Getting Started
1
Installing the sound bar
You can hear the sound by connecting the unit to the
other device : TV, Blu-ray disc player, DVD player, etc.
Place the unit in front of the TV and connect it to the
device you want. (Pages 12-15)
y For best performance of wireless connection
such as Bluetooth, do not install the unit
on Metallic furniture because wireless
connection communicates through a module
positioned on the bottom of the unit.
y Be careful not to make scratches on the
surface of the unit when installing or moving
it.
>
Caution

2 Connecting
Connecting12
Connecting
2
Connecting to your TV
Using an OPTICAL cable
1. Connect the OPTICAL IN jack on the back of the
unit to OPTICAL OUT jack on the TV using an
OPTICAL cable.
Optical
cable
2. Select the input source to OPTICAL by pressing F
button on the remote control or unit repeatedly.
You can see OPTICAL LED turns on. Then optical
function is selected.
y Before connecting the optical cable, be sure
to remove the protection plug cover if your
cable has the cover.
y You can enjoy the TV audio through the
speakers of this unit. In the case of some TV
models, you must select the external speaker
option from the TV menu. (For details,
reference your TV user manual.)
y Set up the sound output of TV to listen to
the sound through this unit :
TV setting menu [ [Sound] [ [TV Sound
output] [ [External speaker (Optical)]
y Details of TV setting menu vary depending
on the manufacturers or models of your TV.
,
Note
LG Sound Sync
You can control some functions of this unit by your
TV's remote control with LG Sound Sync.
It is compatible with an LG TV that supports
LG Sound Sync. Make sure of the LG Sound Sync logo
on your TV.
Controllable function by LG TV's remote control :
Volume up/down, Mute
Refer to the TV's instruction manual for the details
of LG Sound Sync.
Make one of the following connections, depending on
the capabilities of your equipment.
y You can also use the remote control of
this unit while using LG Sound Sync. If you
use TV's remote control again, the unit
synchronizes with the TV.
According to TV Specications, the volume
and mute of this unit synchronize with TV.
y When the connection fails, make sure of the
condition of the TV and power.
y Make sure of the condition of this unit and
the connection in the cases below when
using LG Sound Sync.
- The unit is turned off.
- Changing to a different function.
- Disconnecting the optical cable.
- Disconnecting the wireless connection
caused by interference or a distance.
y The amount of time to turn off this unit is
different depending on your TV when you set
AUTO POWER function to ON.
y Details of TV setting menu vary depending on
the models of your TV.
,
Note

Connecting 13
Connecting
2
LG Sound Sync with wired connection
1. Connect your LG TV to the unit by using an
optical cable.
Optical
cable
2. Set up the sound output of TV to listen to the
sound through this unit :
TV setting menu [ [Sound] [ [TV Sound
output] [ [LG Sound Sync (Optical)]
3. Turn on the unit by pressing 1 on the remote
control or 1/! on the unit.
4. Select the input source to OPTICAL by pressing
F button on the remote control or unit repeatedly.
You can see OPTICAL LED blinks twice and turns
on. Then LG Sound Sync (Optical) function is
selected.
LG Sound Sync with wireless
connection
1. Turn on the unit by pressing 1 on the remote
control or 1/! on the unit.
2. Select the input source to LG TV by pressing
F button on the remote control or unit repeatedly.
3. Set up the sound output of TV to listen to the
sound through this unit :
TV setting menu [ [Sound] [ [TV Sound
output] [ [LG Sound Sync (Wireless)]
You can see LG TV LED turns on if connecting
normally between this unit and your TV. Then LG
Sound Sync (Wireless) function is selected.
If you turned off the unit directly by pressing 1
on the remote control or 1/! on the unit., LG
Sound Sync (Wireless) will be disconnected. To
use this function again, you should reconnect
the TV and the unit.
,
Note

Connecting14
Connecting
2
Optional equipment
connection
OPTICAL IN connection
Connect an optical output jack of external devices to
the OPTICAL IN jack.
To the digital
optical output jack of
external device
Optical
cable
1. Connect the OPTICAL IN jack on the back of the
unit to OPTICAL OUT jack of your external device.
2. Select the input source to OPTICAL by
pressing F button on the remote control or unit
repeatedly.
You can see OPTICAL LED turns on. Then optical
function is selected.
3. Listen to sound.
Before connecting the optical cable, be sure to
remove the protection plug cover if your cable
has the cover.
,
Note
PORT. IN connection
MP3 player, etc...
Portable
cable
Listening to music from your portable
player
The unit can be used to play the music from many
types of portable players or external devices.
1. Connect the portable player to the PORT. IN
connector of the unit by using 3.5 mm stereo
cable.
2. Select the input source to PORTABLE by
pressing F button on the remote control or unit
repeatedly.
You can see PORTABLE LED turns on. Then
PORTABLE function is selected.
3. Turn on the portable player or external device and
start playing it.

Connecting 15
Connecting
2
USB connection
Connect USB memory device to the USB port on the
back of the unit.
For more information of playing les on a USB, refer
to the page 17.
Removing the USB Device from the unit.
1.
Choose a different function/mode
.
2. Remove the USB device from the unit.
Compatible USB devices
y MP3 Player : Flash type MP3 player.
y USB Flash Drive : Devices that support USB 1.1.
y The USB function of this unit does not support
some USB devices.
USB device requirement
y Devices which require additional program
installation connected to a computer, are not
supported.
y Do not extract the USB device while in operation.
y For a large capacity USB, it may take longer than a
few minutes to be searched.
y To prevent data loss, back up all data.
y This unit is not supported when the total number
of les is 1,000 or more.
y The unit’s USB Port can not be connected to PC.
The unit can not be used as a storage device.
y The exFAT le system is not supported on this
unit. (FAT16/FAT32 systems are available.)
y Depending on some devices, it may not available
to recognize the followings on this unit.
- External HDD
- Card readers
- Locked devices
- Hard type USB devices
- USB hub
- Using USB extension cable
- iPhone/iPod/iPad
- Android device

Connecting16
Connecting
2
Playable file
Sampling Frequency
MP3 : within 32 to 48 kHz
WMA : within 32 to 48 kHz
Bitrate
MP3 : within 80 to 320 kbps
WMA : within 56 to 128 kbps
y Maximum les : Under 999
y Maximum directories : Under 99
y A protected le by DRM (Digital rights
management) cannot be played on the unit.
y Video les in the USB storage device can not be
played.
y Depending on the performance of your USB
device, playback may not work well.
y Folders and les on the USB are recognized
as below.
A
: File
: Folder
B
C
D
E
F
G
H
I
J
a
c
b
d
y File will be played from le $A to le $J
one by one.
y Files will be played in order recorded and it
may be different depending on the record
circumstances.
y You can't see a folder or le through this unit.
,
Note

3 Operating
Operating 17
Operating
3
Basic operations
USB operation
1. Connect the USB device to the USB port.
2. Select the input source to USB by
pressing F button on the remote control or unit
repeatedly.
You can see USB LED turns on. Then USB
function is selected.
To Do this
Playback
Press N.
Pause
During playback, press N.
Skip to the next/
previous le
During playback, press V on
the remote control to go to the
next le.
Playing less than 2 seconds,
press C on the remote
control to go to the previous
le.
Playing after 3 seconds, press
C on the remote control to
go to the beginning of the le.
Search for a
section within
a le
Press and hold C/V during
playback and release it at the
point you want to listen to.
Resume
playback
This unit memorizes a current
song which is played before
changing the function or
turning off the unit.
y The resume point may be cleared when you
pull out the power cord or removing the USB
device from the unit.
y If the USB function is not working, check the
USB function is selected.
y When you pause the USB playback, USB LED
on the main unit blinks.
,
Note
Other operations
Turn off the sound temporarily
Press [(Mute) to mute your unit.
To cancel it, press [(Mute) again on the remote
control or change the volume level.
Using your TV remote control
You can control some functions of this unit by your
TV remote control even by other company’s product.
Controllable functions are volume up/down and
mute.
Press and hold NIGHT ON on the remote control for
about 2 seconds. The standby LED blinks once. And
then this functions is enabled.
To turn off this function, press and hold NIGHT OFF
about 2 seconds. The standby LED blinks once. And
then this functions is disabled.
y Supported TV brands
LG Panasonic Philips Samsung
Sharp Sony Toshiba Vizio
y Make sure that the sound output of your TV
is set to [External speaker].
y Depending on the remote control, this
function may not work well.
y This function does not operate on LG TV's
magic remote control.
,
Note

Operating18
Operating
3
DRC (Dynamic Range Control)
Make the sound clear when the volume is turned
down and prevent sudden increase of sound (Dolby
Digital only).
This function turns on or off when you press DRC
ON/OFF.
Auto power down
This unit will turn itself off to save electric
consumption if the main unit is not connected to
an external device and has not been used for 15
minutes.
This unit also turns off after six hours if the Main
unit has been connected to another device using the
analog input. (Ex : Portable, etc..)
AUTO POWER On/Off
This unit automatically turns on by an input source :
Optical, LG TV or Bluetooth.
When you turn on your TV or an external device
connected to this unit, this unit recognizes the input
signal and select the suitable function. You can hear
the sound from your device.
If you try to connect your Bluetooth device, this
unit turns on and the unit will be connected your
Bluetooth device.
This function turns on or off you press
AUTO POWER ON/OFF.
y After the unit is turned on by AUTO POWER
function, it will be automatically turned off if
there is no signal for a certain period of time
from the external device.
y If you turned off the unit directly, it cannot
be turned on automatically by AUTO POWER
function. However the unit can be turned
on by AUTO POWER function when optical
signal comes in after 5 seconds of no signal.
y Depending on the connected device, this
function may not operate.
y If you disconnect Bluetooth connection by
this unit, some Bluetooth devices try to
connect to the unit continually. Therefore it is
recommended to disconnect the connection
before turn off the unit.
y When you turn on this unit for the rst time,
Auto Power function is turned on status.
y To use this function, the main unit must be
registered in paired devices list of Bluetooth
device.
y You can set the AUTO POWER function only
when this unit is turned on.
,
Note

Operating 19
Operating
3
Auto function change
This unit recognizes input signals such as Optical,
Bluetooth, LG TV and Portable and then changes
suitable function automatically.
When optical signal comes in
When you turn on the external device connected
to this unit by an optical cable, this unit change the
function to optical. You can hear the sound from your
device.
When you try to connect Bluetooth
device
When you try to connect your Bluetooth device to
this unit, Bluetooth function is selected. Play your
music on the Bluetooth device.
When LG TV signal comes in
When you turn on your LG TV connected by LG
Sound Sync (Wireless connection), this unit changes
the function to LG TV. You can hear the sound from
your TV.
When 3.5 mm stereo cable is
connected
When you connect your portable device using a 3.5
mm stereo cable, this unit changes the function to
Portable. You can hear the music from your device.
y To change to optical function, it needs
5 seconds of no signal.
y If the Bluetooth connection lock function
is set, Bluetooth connection will be only
available on Bluetooth and LG TV function.
(Page 21)
,
Note

Operating20
Operating
3
Using BLUETOOTH®
technology
About Bluetooth
Bluetooth is wireless communication technology for
short range connection.
The sound may be interrupted when the connection
interfered by the other electronic wave or you
connect the Bluetooth in the other rooms.
Connecting individual devices under Bluetooth
wireless technology does not incur any charges.
A mobile phone with Bluetooth wireless technology
can be operated via the Cascade if the connection
was made via Bluetooth wireless technology.
y Available Devices : Smart phone, MP3 player,
Notebook, etc..
y Version : 4.0
y Codec : SBC
Bluetooth Profiles
In order to use Bluetooth wireless technology,
devices must be able to interpret certain proles.
This unit is compatible with following prole.
A2DP (Advanced Audio Distribution Prole)
Listening to music stored on the
Bluetooth devices
Pairing your unit and Bluetooth device
Before you start the pairing procedure, make sure
the Bluetooth feature is turned on in to your
Bluetooth device. Refer to your Bluetooth device’s
user guide. Once a pairing operation is performed, it
does not need to be performed again.
1. Select the input source to Bluetooth by pressing
F button on the remote control or unit repeatedly.
- Bluetooth LED will blink.
2. Operate the Bluetooth device and perform the
pairing operation. When searching for this unit
with the Bluetooth device, a list of the devices
found may appear in the Bluetooth device display
depending on the type of Bluetooth device.
Your unit appears as “LG SN1 (XX)”.
y XX means the last two digits of
Bluetooth address. For example, if your
unit has a Bluetooth address such as
9C:02:98:4A:F7:08, you will see
“LG SN1 (08)” on your Bluetooth device.
y Depending on the Bluetooth device type,
some device have a different pairing way.
Enter the PIN code (0000) as needed.
,
Note
3. When this unit is successfully connected with
your Bluetooth device, Bluetooth LED will turn
on.
4. Listen to music.
To play a music stored on your Bluetooth device,
refer to your Bluetooth device’s user guide.

Operating 21
Operating
3
y When using Bluetooth technology, you have
to make a connection between the unit and
the Bluetooth device as close as possible and
keep the distance.
However it may not work well in the cases
below :
- There is a obstacle between the unit and
the Bluetooth device.
- There is a device using same frequency
with Bluetooth technology such as a
medical equipment, a microwave or a
wireless LAN device.
y If Bluetooth connection does not work well,
try pairing it again.
y The sound may be interrupted when the
connection interfered by the other electronic
wave.
y Pairing is limited one Bluetooth device per
one unit and multi-pairing is not supported.
y Depending on the type of the device, you may
not be able to use the Bluetooth function.
y You can enjoy Bluetooth function using
Smart phone, MP3 player, Notebook, etc..
y The more distance between the unit and the
Bluetooth device, the lower the sound quality
becomes.
y Bluetooth connection will be disconnected
when the unit is turned off or the Bluetooth
device gets far from the unit.
y When Bluetooth connection is disconnected,
connect the Bluetooth device to the unit
again.
y When the unit is not connected with
Bluetooth device, Bluetooth LED will blink.
y When you connect a Bluetooth device
(iOS device etc.) to this unit or operate the
device, the volume level can be synchronized
between the two devices.
y You can control a Bluetooth device using
C/V (Skip) and N (Play/Pause) buttons
on the remote control.
,
Note
BLUETOOTH connection lock
(BT lock)
You can limit Bluetooth connection to only
Bluetooth and LG TV function to prevent unintended
Bluetooth connection.
Press and hold AUTO POWER ON on the remote
control for about 2 seconds to turn on this function
in Bluetooth function. The standby LED blinks once.
And then this functions is enabled.
To turn off this function, press and hold AUTO
POWER OFF on the remote control for about 2
seconds in Bluetooth function. The standby LED
blinks once. And then this functions is disabled.
Even if you set up Bluetooth connection lock
to On, this sound bar turns on by Auto Power
function. Turn off Auto Power function to
prevent it. (Page 18)
,
Note

Operating22
Operating
3
Using BLUETOOTH App
y Only Android OS is available to use “Music
Flow Bluetooth” app with this unit.
y Additional data charges may occur if installed
over 3G/4G, according to your device plan.
,
Note
About “Music Flow Bluetooth” App
“Music Flow Bluetooth” app brings a suite of new
features to this unit.
To enjoy more features, you are recommended to
download and install free “Music Flow Bluetooth”
app.
Install “Music Flow Bluetooth”
App onto Your BLUETOOTH
Device
There are two ways to install “Music Flow Bluetooth”
app onto your Bluetooth device.
Install “Music Flow Bluetooth” App
through QR code
1. Install “Music Flow Bluetooth” app through QR
code. Use the scanning software to scan the QR
code.
2. Tap an icon for installation.
y Make sure that your Bluetooth device is
connected to the Internet.
y Make sure that your Bluetooth device
has a scanning software application. If you
don’t have one, download one from “Google
Android Market (Google Play Store)”.
y Depending on the area, QR code may not
work.
,
Note
Install “Music Flow Bluetooth” App
through “Google Android Market
(Google Play Store)”
1. Tap the “Google Android Market (Google Play
Store)” icon.
2. In the search bar, type in the “Music Flow
Bluetooth” and search it.
3. In the search result list, find and tap “Music Flow
Bluetooth” to start downloading Bluetooth app.
4. Tap an icon for installation.
5. Tap an icon for downloading.
y Make sure that your Bluetooth device is
connected to the Internet.
y Make sure that your Bluetooth device is
equipped with “Google Android Market
(Google Play Store)”.
,
Note
Activate Bluetooth with “Music
Flow Bluetooth” App
“Music Flow Bluetooth” app helps to connect your
Bluetooth device to this unit.
1. Tap “Music Flow Bluetooth” app icon on the
home screen to open “Music Flow Bluetooth”
app, and go to the main menu.
2. If you want to get more information to operate,
tap [Setting] and tap [Help] menu.

Operating 23
Operating
3
y “Music Flow Bluetooth” app will be available
in the software version as follow;
- Android O/S : Ver 4.0.3 (or later)
y If you use “Music Flow Bluetooth” app for
operation, there would be some differences
between “Music Flow Bluetooth” app and
the supplied remote control. Use the supplied
remote control as necessary.
y Depending on the Bluetooth device,
“Music Flow Bluetooth” app may not work.
y After connection of “Music Flow Bluetooth”
app, music may be output from your device.
In this case, try connecting procedure again.
y If you operate the other applications or
change the settings on your Bluetooth
device while using “Music Flow Bluetooth”
app, “Music Flow Bluetooth” app may
operate abnormally.
y When “Music Flow Bluetooth” app operates
abnormally, check your Bluetooth device and
the connection of “Music Flow Bluetooth”
app and then try to connect again.
y Depending on the smart phone's operating
system, you have some differences for “Music
Flow Bluetooth” operation.
y Even though Bluetooth connection will
be disconnected, you can use “Music Flow
Bluetooth” app when you change the
function.
y Additional features offered by "Music Flow
Bluetooth" app may not work depending on
distance the between this unit and Bluetooth
device and wireless conditions.
,
Note

Operating24
Operating
3
Sound adjustment
Setting the surround mode
This system has a number of pre-set surround sound
fields. You can select a desired sound mode by using
each sound mode button.
Sound effect Description
ASC
(Adaptive Sound
Control)
Analyzes the property of input
sound and provides the sound
optimized for the content in
real time.
BASS BLAST
Reinforces the treble, bass and
surround sound effect.
CINEMA
You can enjoy more immersive
and cinematic surround sound.
y In some of sound effect mode, some
speakers, there’s no sound or low sound.
It depends on the mode of sound and the
source of audio, it is not defective.
y You may need to reset the sound effect
mode, after switching the input, sometimes
even after the sound le changed.
,
Note
Night mode
This function is useful when you want to watch
movies at low volume late at night. Set Night mode
to On to reduce the sound intensity and improve
neness and softness.
Press NIGHT ON/OFF button to turn on or off night
mode.

4 Troubleshooting
Troubleshooting 25
Troubleshooting
4
Troubleshooting
General
PROBLEM CAUSE & CORRECTION
The unit does not
work properly.
y Turn off the power of this unit and the connected external device
(TV, Woofer, DVD-player, Amplier, etc.) and turn them on again.
y Disconnect the power cord of this unit and the connected external device
(TV, Woofer, DVD-player, Amplier, etc.) and then try connecting again.
y Previous setting may not be saved when device power is shut off.
No Power
y The power cord is unplugged.
Plug in the power cord.
y Check whether electricity failed.
Check the condition by operating other electronic devices.
No sound
y Incorrect input source is selected.
Check the input source and select the correct input source.
y The mute function is activated.
Press [ (Mute) or adjust the volume level to cancel the mute function.
y When you are using connection with an external device
(set top box, Bluetooth device etc.), adjust volume level of the device.
The remote control
does not work
properly.
y The remote control is too far from the unit.
Operate the remote control within about 7 m (23 ft).
y There is an obstacle in the path of the remote control and the unit.
Remove the obstacle.
y The batteries in the remote control is exhausted.
Replace the batteries with new one.
The AUTO POWER
function does not
work.
y Check connection of the external device such as TV, DVD/Blu-Ray player or
Bluetooth device.
y Depending on the connected device, this function may not operate.
LG Sound Sync does
not work.
y Check whether your LG TV supports LG Sound Sync.
y Check connection of LG Sound Sync (Optical or wireless).
y Check sound setting of your TV and this unit.
The unit does
not connect with
Bluetooth device
y Turn off the Bluetooth connection lock function. (Page 21)

Troubleshooting26
Troubleshooting
4
PROBLEM CAUSE & CORRECTION
When you feel the
output sound of the
unit is low.
Check the details below and adjust the unit according to them.
y Switch [ON] state of DRC function to [OFF] by using remote controller.
y Change Audio DRC setting on connected device setup menu to [OFF] state.
y With the sound bar connected with TV, change the AUDIO DIGITAL OUT setting on
TV Setup Menu from [PCM] to [AUTO] or [BITSTREAM].
y With the sound bar connected with Player, change the AUDIO DIGITAL OUT
setting on Player Setup Menu from [PCM] to [PRIMARY PASS-THROUGH] or
[BITSTREAM].
y Make sure Night Mode is not On. Turn [OFF] Night Mode.
NOTES to use wireless
PROBLEM CAUSE & CORRECTION
This device may have
wireless interference.
y Wireless may not operate normally in weak signal area.
y Do not install the device on metal furniture for optimum performance.
Bluetooth device may
malfunction or make
noise in the following
cases.
y When any part of your body contact the transceiver of the Bluetooth device or
sound bar.
y When there is an obstacle or wall or the device is installed in a secluded spot.
y When there is a device(a wireless LAN, a medical equipment or a microwave) using
same frequency, make the distance between the products as far away as possible
each other.
y When to connecting the device to the Bluetooth device, make the distance
between the products as close as possible each other.
y When the device gets too far from the Bluetooth device, the connection is
disconnected and also malfunction may occur.

5 Appendix
Appendix 27
Appendix
5
Trademarks and licenses
All other trademarks are trademarks of their
respective owners.
Manufactured under license from Dolby
Laboratories. Dolby, Dolby Audio, and the double-D
symbol are trademarks of Dolby Laboratories.
For DTS patents, see http://patents.dts.com.
Manufactured under license from DTS Licensing
Limited. DTS, the Symbol, DTS and the Symbol
together, and Digital Surround are registered
trademarks and/or trademarks of DTS, Inc. in the
United States and/or other countries. © DTS, Inc.
All Rights Reserved.
The Bluetooth® word mark and logos are
registered trademarks owned by the Bluetooth
SIG, Inc. and any use of such marks by LG
Electronics is under license.
Other trademarks and trade names are those of
their respective owners.

Appendix28
Appendix
5
Specifications
General
Power requirements Refer to main label.
Power consumption Refer to main label.
Dimensions (W x H x D)
Approx. 950 mm x 71 mm x 47 mm
(37.4 inches x 2.8 inches x 1.9 inches)
Operating temperature 5 °C to 35 °C (41 °F to 95 °F)
Operating humidity 5 % to 90 %
Bus Power Supply
5 V 0 500 mA
Available Digital Input Audio
Sampling Frequency
32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
Available Digital Input Audio format Dolby Audio, DTS Digital Surround, PCM
Inputs
OPTICAL IN (Digital audio in) 3 V (p-p), Optical jack x 1
PORT. IN (Portable in) 0.4 Vrms (3.5 mm stereo jack) x 1
Amplier (RMS Output power)
Total 100 W RMS
Front 50 W RMS x 2 (4 Ω at 1 kHz, 10 % THD)
y Designs and specications are subject to change without prior notice.

Appendix 29
Appendix
5
Maintenance
Handling the unit
When shipping the unit
Please save the original shipping carton and packing
materials. If you need to ship the unit, for maximum
protection, re-pack the unit as it was originally
packed at the factory.
Keeping the exterior surfaces clean
y Do not use volatile liquids such as insecticide spray
near the unit.
y Wiping with strong pressure may damage the
surface.
y Do not leave rubber or plastic products in contact
with the unit for a long period of time.
Cleaning the unit
To clean the player, use a soft, dry cloth. If the
surfaces are extremely dirty, use a soft cloth lightly
moistened with a mild detergent solution. Do not use
strong solvents such as alcohol, benzine, or thinner,
as these might damage the surface of the unit.

