LG HS8 Specification sheet

www.lg.com
SMART Hi-Fi
AUDIO
ENGLISH | SIMPLE MANUAL
To view the instructions of advanced features, visit http://www.lg.com and then
download Owner’s Manual.
Some of the content in this manual may differ from your unit.
The actual product may differ from the image.
HS8
Wireless Multi-room Sound Bar
MODEL
LAS855M
*MFL69135019*
ENGLISH

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 sucient
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.
WARNING: Do not install this equipment in a
conned 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: The apparatus shall not be exposed to
water (dripping or splashing) and no objects lled
with liquids, such as vases, shall 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 be 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.
NOTICE: For safety marking information including
product identication and supply ratings, please
refer to the main label on the bottom or the other
surface of the product.
For models using an adapter
Only use the AC adapter supplied with this device.
Do not use a power supply from another device or
another manufacturer. Using any other power cable
or power supply may cause damage to the device
and void your warranty.
CAUTION concerning the Power Cord
Most appliances recommend they be placed upon
a dedicated circuit;
That is, a single outlet circuit which powers only
that appliance and has no additional outlets or
branch circuits. Check the specication page of this
owner’s manual to be certain. 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
appliance, and if its appearance indicates damage
or deterioration, unplug it, discontinue use of the
appliance, 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 appliance. The
Power Plug is the disconnecting device. In case of
an emergency, the Power Plug must remain readily
accessible.
This device is equipped with a portable battery or
accumulator.
Safety way to remove the battery from the
equipment: Remove the old battery or battery
pack, follow the steps in reverse order than
the assembly. To prevent contamination of the
environment and bring on possible threat to
human and animal health, the old battery or
the battery put it in the appropriate container
at designated collection points. Do not dispose
of batteries or battery together with other
waste. It is recommended that you use local,
free reimbursement systems batteries and
accumulators. The battery should not be exposed
to excessive heat such as sunshine, re or the like.

Table of Contents 3
1
2
3
4
5
6
1 Getting Started
2 Safety Information
4 Unpacking
4 – Additional Information for some
accessories
5 Front panel
5 Rear panel
6 Remote control
2 Connecting to your TV
7 Connecting to your TV
7 – 1. Optical connection
7 – 2. HDMI (ARC) connection
7 – 3. Wireless LG Sound Sync
connection
3 Using Multi-Room
8 Multi-Room Network Setup
8 – Step 1. Home Network Requirement
9 – Step 2. Installing “Music Flow Player”
App and Media Server
10 – Step 3. Initial Multi-Room Setup
12 – Step 4. Add Speakers (Optional)
13 – Using the Bridge
14 Enjoying Multiple MUSICflow Product
14 – 1. Home Cinema Mode (Surround
Sound Mode)
14 – 2. Grouping Mode
14 – 3. L/R Stereo Mode
4 Using External device
15 Using External device
15 – 1. HDMI Input connection
15 – 2. PORTABLE IN connection
15 – 3. BLUETOOTH® connection
5 Troubleshooting
16 Troubleshooting
6 Appendix
20 Mounting the main unit on a wall
21 About Status LED’s Condition
21 Specification
21 OPEN SOURCE SOFTWARE
NOTICE
Table of Contents
Some of the content in this manual may dier from Music Flow Player app depending on the
application’s version.

Getting Started4
Getting Started
1
Unpacking
yWhen mounting this unit on a wall, refer to page 20.
Simple Manual Optical cable
LAN cable
Wall bracket
install guide
Remote Control and
Batteries
Subwoofer
Additional Information for some accessories
Adapter and
power cord
yDepending on the region, the supplied accessories may dier.
Foot
yRaises the height by attaching them.
yIf your TV is an LG OLED TV (Model: 55EG9600,
65EG9600), installing the supplied feet is not
recommended.
Wireless subwoofer connection
1. Connect the power cord of the main unit and the wireless subwoofer to the outlet.
2. Turn them on and the wireless subwoofer will be automatically connected. When the connection is
completed, you can see the green LED on the subwoofer.
If you have trouble to connect the wireless subwoofer, refer to page 16.
Subwoofer
Foot
Unit
Wall brackets and
screws
Cable ties
Cable holder

Getting Started 5
Getting Started
1
A
Display window
B
LED indicator: Shows connection status.
(Page 21)
yWhite (blinking): waiting for network
connection
yWhite (staying on): network connection is
completed.
yWhite (Dimmed): standby mode with
network connection.
yGreen (staying on): the rst group was set.
yRed (staying on): standby mode without
network connection
C
Remote sensor
D
The buttons are located on the rear.
Front panel
A1/! (Standby/On)
F (Function): Selects the function and input
source. (OPTICAL / HDMI IN / WI-FI / Bluetooth /
PORTABLE)
-/+(Volume)
(Wi-Fi): Connects initial MUSICflow
product to your network wirelessly.
(Add): Adds the additional MUSICflow
product to your network.
(In case that one or more MUSICflow product is
connected.)
BDC IN (AC adapter input)
CS/W download connector (For service only)
DHDMI IN / OUT (TV ARC) connector : Connect
to HDMI IN (ARC) on TV.
EETHERNET (LAN) port
FPORTABLE IN connector
GOPT. IN connectors
Rear panel

Getting Started6
Getting Started
1
Remote control
Battery Installation
Remove the battery cover on the rear of the
Remote Control, and insert two R03 (size AAA)
batteries with and matched correctly.
• • • • • • • • • • a • • • • • • • • •
1(Power) :Switches the unit ON or OFF (standby
mode).
FUNC (Function):Selects the function and the
input source. (OPTICAL / HDMI IN / WI-FI / Bluetooth
/ PORTABLE)
(Mute) :Mutes the sound.
OPTICAL :Changes input source to OPTICAL
directly.
SOUND EFFECT :Selects a sound eect mode.
:Adjusts sound level of Treble, Bass and Sub-
woofer.
+/- (VOL): Adjusts speaker volume.
• • • • • • • • • • b • • • • • • • • •
REPEAT :Listen to your music repeatedly.
C/V (Skip) :Skips Fast backward or Forward.
dM (Play/Pause) :Starts playback or pauses
playback.
You can use these playback buttons after
play music by “Music Flow Player” App or PC
software.
, Note
INFO :Displays the input source information.
• • • • • • • • • • c • • • • • • • • •
DRC : Turns on or o DRC function.
yDRC (Dynamic Range Control) : Make the sound
clear when the volume is turned down (Dolby
Digital only).
(Night mode) : Set Night mode to On to reduce
the sound intensity and improve neness and
softness.
AUTO VOL :Turns on or o the AUTO VOLUME
mode.
yWhen the output sound is too loud or too low,
press this button on the remote control. So you
can enjoy the sound with appropriate levels.
AV SYNC :Synchronizes the audio and video.
yWhen receiving audio signals from TV, sound
and images may not be matched. In the case,
this function can adjust the delay time.
yPress AV SYNC then Use C/V to control
the time which you can set at between 0 and
300 ms.
SLEEP :Sets the system to turn o automatically at
a specied time.
AUTO POWER :Turns on or o AUTO POWER
function.
yIf your TV or an external device is connected to
Optical Input connector(s) on the unit and when
you turn on your TV or an external device, this
unit recognizes the input signal and selects the
optical function. You can hear the sound from
your device.

2 Connecting to your TV
Connecting to your TV 7
Connecting to your TV
2
Connecting to your TV
Make one of the following connections, depending on the capabilities of your TV among Optical, HDMI or
Wireless connection.
1. Optical connection
1. Connect the OPT. IN jack on the unit to OPTICAL OUT jack on the TV using an OPTICAL cable.
2. Set up the sound output of TV to OPTICAL output. (For details, reference your TV user manual.)
Note: If your LG TV is supported LG Sound Sync (LG TV with the logo). Set up the sound
output of TV to LG Sound Sync (Optical). (For details, reference your TV user manual.)
3. Set the input source of this unit to OPTICAL using OPTICAL or FUNC button.
2. HDMI (ARC) connection
If you connect this unit to a TV that supports HDMI CEC and ARC (Audio Return Channel), you can enjoy the
TV audio through the speakers of this unit without connecting the optical cable.
1. Connect the HDMI OUT (TV ARC) jack on the unit to HDMI IN (ARC) jack on the TV using an HDMI cable
(Type A, High speed HDMI™ Cable with Ethernet).
TV : HDMI IN (ARC) Sound Bar : HDMI OUT (TV ARC)
OUT
(ARC)
IN
2. Set up the sound output of TV to HDMI (ARC). (For details, reference your TV user manual.)
3. ARC function is automatically selected when ARC signal comes in from TV, no matter what kind of the
function you are using.
3. Wireless LG Sound Sync connection
If you connect this unit to a TV that supports LG Sound Sync (LG TV with the logo), you can enjoy
the TV sound with wireless connection.
1. Turn on the unit and set the input source of this unit to LG TV function using FUNC button.
2. Set up the sound output of TV to LG Sound Sync (Wireless). (For details, reference your LG TV user
manual.) “PAIRED” appears on the display window for about 3 seconds and then you can see“LG TV” on
the display window if connecting normally between this unit and your TV.
About
You can control some functions of this unit by your TV’s remote control with LG Sound Sync. It is compatible
with the LG TV that is supported LG Sound Sync. Make sure of the LG Sound Sync logo on your TV.

3 Using Multi-Room
Using Multi-Room8
Using Multi-Room
3
Multi-Room Network Setup
Step 1. Home Network Requirement
a
b
c
d
aMake sure that wireless network environment using a router is installed at your home. The home router
should be connected to the internet.
bConnect your smart device to your home network.
cConnect the speaker to the power supply.
dIf you want to enjoy the music on media server (PC, Mac or Network Storage), connect the media server
to your home network.
.Caution for Home Network Requirement
yMUSICow system communicates over both 2.4 GHz and 5 GHz home network supporting 802.11b/g/n
wireless technology.
yWireless signal interference may lead to disconnection of network or stopping playback.
yDepending on the speed of your network, playback of online contents may not work well.
yNetwork connection may not be made with some routers (or modem) from certain internet
communication service providers. In such case, purchase a router from general market and use.
yBecause of a rewall on your PC, Music Flow PC Software may not work well. In this case, disable all your
rewalls and try to connect again. Refer to your rewall’s instruction or website.

Using Multi-Room 9
Using Multi-Room
3
Step 2. Installing “Music Flow Player” App and Media Server
Installing “Music Flow Player” App
Download “Music Flow Player” on the Apps Store or Google Play Store.
A B
OR
AType “Music Flow Player” in the search bar and tap “Search”.
BScan the QR code using the scanning application.
,Note for“Music Flow Player” App
yDepending on the device, “Music Flow Player” app may not work.
yMusic Flow Player app will be available in version of the software as follow;
Android O/S : Ver 4.0 (ICS) (or later)
iOS O/S : Ver 6.0 (or later)
Installing Media Server software on your PC or Mac
Media server software allows you to access audio les stored in media server (PC, Mac or Network storage)
and enjoy them on your speaker via home networking. On www.lg.com website, type model name in the
search bar and nd media server software on support tab.
yWindows : Music Flow PC Software
yMac OS : Nero MediaHome 4 Essentials
,Note for using Media Server
yOn your PC or Mac, you must share the folder contained Audio content to play them on MUSICow
system.
yOn your NAS Device, you must also need to change the settings of your NAS device to ensure that DLNA
server is enabled.
yOn your Firewall software, you may also need to change the settings of your rewall software to ensure
that Windows le sharing is not blocked.

Using Multi-Room10
Using Multi-Room
3
Step 3. Initial Multi-Room Setup
When installing the MUSICow product for the rst time, you can choose two types of connection as below.
Option 1. Wired connection (MUSICflow Mesh Network Connection)
Connect the one of MUSICow products (sound bar, speaker or bridge) to the home router using LAN cable.
Then you can connect the additional MUSICow products (Optional) to your home network wirelessly
(MUSICow Mesh Network). Refer to “Step 4. Add Speakers (Optional)” on page 12.
If you have a bridge
Bridge (Wired Connection) àSound bar (Add speaker) àOther speakers (Add speaker)
If you do not have a bridge
Sound bar (Wired Connection) àOther speakers (Add speaker)
LAN Cable
Simple Setup Guide (Wired Connection)
1. Ensure that your smart device is connected to your Wi-Fi network.
2. Select the product you want to connect.
3. Launch Music Flow Player App and follow “Wired Connection” instructions on set-up wizard.
4. Connect LAN cable from router to any one of MUSICflow product (sound bar, speaker or bridge).
5. Power on the MUSICflow product and wait until you see a white LED become solid.
6. If you install successfully, update speaker software to the latest:
[Home àSettings àVersion Info.]
mTip
Separated from the router’s Wi-Fi environment, composes wireless network among MUSICow products.
Using MUSICow mesh network, Wireless coverage is expanded, which oers stable music streaming service.
In the below case, MUSICow Mesh Network connection is recommended.
1. When the Wi-Fi coverage cannot reach whole house because home router performance is unstable.
(In case that your home router supports only 802.11 b/g 2.4 GHz.)
2. When you want to enjoy MUSICflow system in stable wireless network environment.
3. When you want to use in below mode.
1) Multi-Room & Group-play Mode
2) Home Cinema Mode
3) Hi-Fi (24 bit/192 kHz) Mode : When you enjoying the high-quality audio source (ex: flac)

Using Multi-Room 11
Using Multi-Room
3
Option 2. Wireless connection (Standard Wireless Connection)
When the wired connection is unavailable between MUSICow products and home router, MUSICow
product oers music streaming service within home router’s Wi-Fi coverage.
Connect the one of MUSICow products(sound bar or speaker) to the home router wirelessly.
(Option)
Then you can connect the additional MUSICow products to your home Wi-Fi network wirelessly.
Refer to“Step 4. Add Speakers (Optional)”on page 12.
Wireless signal
Simple Setup Guide (Wireless Connection)
1. Ensure your smart device is connected to your Wi-Fi network.
2. Select the product you want to connect.
3. Launch Music Flow Player App and follow “Wireless Connection” instructions on set-up wizard.
4. Press (Wi-Fi Setup icon) button at the back or top of the MUSICflow product (sound bar, speaker or
bridge).
5. Check if the network indicator LED is blinking in a white and red color.
6. Please input the password of Home Router for connecting MUSICflow product to home router.
If you have iOS device, you must take the three steps below
6-1. Press home button of iOS device and go to [Settings].
If you can select “MusicFlow_Setup”in Wi-Fi settings. The App and MUSICflow product will be
connected.
6-2. Move to Music Flow Player App and input the password of home router for connecting MUSICflow
product to home router.
6-3. Press home button of iOS device and go to [Settings].
Reconnect to your Home Wi-Fi network. And move to Music Flow Player App again.
7. If you install successfully, update speaker software to the latest:
[Home àSettings àVersion Info.]
,Note
yIf you failed for “Wireless connection” conguration. It seems that location is too far from the router, it may
not be connected. Place and use it at a location that is close enough to router.
yMusic Flow PC Software installed on desktop is not supports wireless connection procedure. In this case,
use the Music Flow Player on smart device.
yIf the router’s performance is not good enough (ex. 802.11g 2.4GHz), sound may be broken in group play
or surround playback mode. In this case, connect the speaker in MUSICflow Mesh Network.

Using Multi-Room12
Using Multi-Room
3
mTip
Oers music streaming service in MUSICow system within home router’s Wi-Fi coverage.
In the below case, Standard wireless connection is recommended.
1. When all speakers are within the home router’s Wi-Fi coverage.
(If case that your home router supports 802.11n 2.4/5 GHz )
2. When the wired connection is unavailable between MUSICow products and home router.
3. When you want to use in below mode.
1) when you use single speaker MUSICflow system.
2) Group-play in the Wi-Fi coverage of the home router
3) L/R stereo Mode
Step 4. Add Speakers (Optional)
If you connect the initial MUSICow product to your home network, you can connect the additional
MUSICow products (sound bar, speaker or bridge) to your home network.
Simple Setup Guide (Add Speakers)
1. If you have additional speakers, power on the speaker.
2. Launch smart device or PC application and follow instructions on set-up wizard.
[Home àAdd Speakers]
3. Press (ADD icon) button at the back or at the top of the MUSICflow product (sound bar, speaker or
bridge) which is you want to connect.
4. Check if network indicator LED is blinking in a red color.
5. If you install successfully, update speaker software to the latest:
[Home àSettings àVersion Info.]
,Note
If you failed for “Add Speaker” conguration. It seems that location is too far from between speakers, it may
not be connected. Place and use it at a location that is close enough to router and each speakers.

Using Multi-Room 13
Using Multi-Room
3
,Note for Multi-Room Setup
yYou can make all wireless/wired connection according to the location of the router. But we recommend
that you connect the rst speaker or bridge to the router using LAN cable and connect additional
speakers for network stability.
yWhen the “Firmware update”pop-up appears on Music Flow Player App, touch to start updating.
yIf you connected a speaker with a LAN cable and installed other speakers additionally: If the speaker with
frequent sound breaking is not close enough with the cable connected speaker, additionally install Bridge
or other speaker in the middle location between the speaker connected with LAN cable and the speaker
with sound breaking, and try again.
yEven if you connected speakers with MUSICow mesh network, music sound breaks by ambient signal
interference causing Wi-Fi network defect. In this case, you can try to change Mesh network channel of
MUSICow system at the [Settings àAdvanced settings àMesh Network Channel]
yWhen making connection, “Mesh network composition”may appear and it takes about 30 seconds. This
message appears once in rst installation but appear again when you change network environment.
Using the Bridge
1. Use as a root device (wired to the home router)
When your home router is located far from speaker location to be connected in wired mode:
aAccording to“Simple Setup Guide (Wired Connection)”, connect the Bridge to your home router with
LAN cable.
bAccording to“Simple Setup Guide (Add Speakers)“, add MUSICflow products to your home network.
a
b
Bridge
2. Use as a wireless extender
When you want to expand MUSICow mesh network coverage:
Preparation: Initial MUSICow product is connected to your home router with LAN cable.
aAccording to“Simple Setup Guide (Add Speakers)“, add the Bridge to your home network.
bAccording to“Simple Setup Guide (Add Speakers)“, add MUSICflow products to your home network.
a
b
Bridge

Using Multi-Room14
Using Multi-Room
3
Enjoying Multiple MUSICflow Product
1. Home Cinema Mode (Surround Sound Mode)
Simply add a LG MUSICow sound bar to your network and synchronize it with your LG MUSICow speakers
to enjoy a home cinema system experience.
If you have a bridge
Bridge (Wired Connection) àSound bar (Add speaker) àOther speakers (Add speaker)
If you do not have a bridge
Sound bar (Wired Connection) àOther speakers (Add speaker)
,Note
If you connect the MUSICow Speakers to your Home Cinema, those speakers must be same model.
Requirement
yMUSICow Sound Bar x 1
yMUSICow Speaker x 2 (Same model)
yNetwork Bridge (optional)
2. Grouping Mode
Speakers placed in separate rooms can play the same music or dierent music based on your needs.
Synchronize your multi-room speakers together to play the same song in every room.
Requirement
yMore than 2 MUSICow
yNetwork Bridge (optional)
3. L/R Stereo Mode
Set your speakers to stereo sound with Music Flow Player Apps to enjoy movies and your favourite tracks.
Requirement
yMUSICow Speaker x 2
yNetwork Bridge (optional)

4 Using External device
Using External device 15
Using External device
4
Using External device
1. HDMI Input connection
To the Blu-ray disc player,
DVD player, game console,
etc.
1. Connect HDMI IN jack on the unit to HDMI OUT jack on the audio & video device such as Blu-ray disc
player, DVD player, game console, etc.
2. Select the input source of this unit to HDMI IN using FUNC button.
2. PORTABLE IN connection
1. Connect any device which has portable out( ) to the PORTABLE IN connector of the unit by using a 3.5
mm stereo cable.
2. Select the input source of this unit to PORTABLE using FUNC button.
3. BLUETOOTH® connection
LG HS8 (XX:XX) /
LG LAS855M (XX:XX)
1. Select the input source of this unit to Bluetooth function using FUNC button.
“BT READY”appears on the display window.
2. Select “LG HS8 (XX:XX) or LG LAS855M (XX:XX)” on your Bluetooth device for pairing.
3. When this unit is successfully connected with your Bluetooth device,“PAIRED” will appear on the display
window and change to Bluetooth device name soon.
If it is unavailable to display device name on the unit, ”_” will be display.
4. Play music on your Bluetooth device.

5 Troubleshooting
Troubleshooting16
Troubleshooting
5
Troubleshooting
No woofer sound
You can set up wireless connection manually, when
your connection is not completed.
1. Adjust volume level of the main unit to
minimum.
-”VOL MIN” appears on the display window.
YRO#PLQ
Z#UHVHW
ZO#UHVHW
VOL
2. Press and hold (MUTE) on the remote control
for about 3 seconds.
-“W RESET”/ “WL RESET” appears on the display
window briey.
YRO#PLQ
Z#UHVHW
ZO#UHVHW
VOL
or
3. If the LED of the wireless subwoofer already
blinks in green continually, you can skip this
step. Press and hold PAIRING on the back of the
wireless subwoofer for more than 5 seconds.
-The LED of the wireless subwoofer lights up
alternately in red and green.
Red Green
4. Disconnect the power cord of the main unit
and the wireless subwoofer.
5. Connect them again after the LED of the main
unit and the wireless subwoofer is fully turned
off. The main unit and the wireless subwoofer
will be paired automatically when you turn on
the main unit.
-When the connection is completed, you can
see the green LED on the subwoofer.
Green
In case that sounds are cut off
during playback
yFor best performance of wireless connection
such as Bluetooth or wireless subwoofer, do not
install the unit on Metallic furniture and raises
the height by attaching accessory foot because
wireless connection communicates through a
module positioned on the bottom of the unit.
yBe careful not to make scratches on the surface
of the Unit /Sub-Woofer when installing or
moving them.
yIt takes a few seconds (and may take longer)
for the main unit and the subwoofer to
communicate with each other and make sounds.
yThe closer the main unit and the subwoofer,
the better sound quality. It is recommended to
install the main unit and the subwoofer as close
as possible and avoid the cases below.
-There is a obstacle between the main unit and
the subwoofer.
-There is a device using same frequency with
this wireless connection such as a medical
equipment, a microwave or a wireless LAN
device.

Troubleshooting 17
Troubleshooting
5
Software Update
When the MUSICow product is connected to
your home network, rst of all, check whether the
rmware version is the latest on all speakers and
the Music Flow Player application.
MUSICow product might require recent rmware
to be installed for optimal operation.
[Settings àVersion Info.]: you can check if your
speaker has the latest rmware.
How can I initialize speaker?
If you press down “ (Add)” button until Beep
sounds once, the network related settings are
initialized. (For sound bar, “DISABLED”is displayed in
the display window.)
If you press down “ (Add)” button until Beep
sounds twice, factory initialization is performed.
(For sound bar “RESET” is displayed in the display
window.)
Speaker is not connected.
1. For speaker that is already connected, check if
the phone is connected to the same router as
the speaker, then connect to the same router,
and check the followings.
1-1. Set Power off / on, and check the
connection.
1-2. If it is not solved by 1-1, close the
application and run again.
1-3. If it is not solved by 1-2, reset the Speaker
and reconnect.
1-4. If it is not solved by 1-3, delete the App,
reinstall, and try again. To reset, press and
hold the “ADD” button for 8 seconds until
you hear one beep.
2. If you change the location of the speaker that is
in use,
2-1. If the changed location is too far from the
home router, it may not be connected.
Place and use it at a location that is close
enough to router.
2-2. Connect the speaker with a LAN cable,
and for additionally installed speakers, if
they are not close enough to the speaker
connected with a LAN cable, additionally
install Bridge or another speaker in the
middle location between the speaker
connected with LAN cable and the
speaker with sound being disconnected.
There are times that speaker
disappears from the application
1. If the speaker blinking lamp is not blinking, and
stays as white: Even after the speaker power off
and on, if the problem continues, in this case
you have to reset the speaker (To reset, press
and hold the “ADD” button for 8 seconds until
you hear one beep. ) and need to register again.
Carry out speaker installation or additional
procedures.
2. If the speaker blinking lamp blinks white -
network signal is unstable. Wait for a while, or
move the speaker to another location closer to
other speaker or router.
3. Press menu key or menu at the top right side of
Home screen to end Music Flow Player app and
run again.
NOTES to use wireless
This device may have wireless interference.
yWireless may not operate normally in weak signal
area.
yPlease install the device close enough to wireless
subwoofer.
yDo not install the device on metal furniture for
optimum performance.
Bluetooth device may malfunction or make
noise in the following cases.
-When any part of your body contact the
transceiver of the Bluetooth device or sound
bar.
-When there is an obstacle or wall or the
device is installed in a secluded spot.
-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.
-When connecting the device to the Bluetooth
device, make the distance between the
products as close as possible each other.
-When the device gets too far from the
Bluetooth device, the connection is
disconnected and also malfunction may
occur.

Troubleshooting18
Troubleshooting
5
Music sound breaks and unstable
MUSICflow system
1. If speaker with breaking sound is connected
through wireless connection mode,
yIf the distance between speaker and home
router is not close enough, the corresponding
condition may occur. Move speaker closer to
home router and try again.
yIf the device with sound source to play (Ex.
phone or laptop) is at a place without uent
home router signal, move the corresponding
device closer to the home router and try
again.
2. If you connected a speaker with a cable and
installed other speakers additionally:
If the speaker with frequent sound breaking is
not close enough with the cable connected
speaker, additionally install Bridge or other
speaker in the middle location between the
cable connected speaker and the speaker with
sound breaking speaker, and try again.
3. Even if you connected speakers with MUSICflow
mesh network, musperformance of wireless
connection such as Bluetoothic sound breaks
by ambient signal interference causing Wi-
Fi network defect. In this case, you can try to
change Mesh network channel of MUSICflow
system at the [Settings àAdvanced settings à
Mesh Network Channel]
How can I compose Music Library?
/ Song is not added even though
library is updated.
Just by adding a song to DLNA server, Music Library
is not automatically updated. When you add a song
to the server, in [Settings àMusic Library àSync],
run Music Library synchronization again. Even after
Music Library synchronization, if song is not added,
check the followings.
1. Check if DLNA server or PC SW shared folder is
designated.
2. Check if DLNA server contents list is renewed.
yEven if you copy the le into the server,
server contents list may not be immediately
renewed, so check the server setting.
yIf you copy a song into the phone with
a method other than MTP, it may not be
reected to the server contents list. In such
case, rescan the contents in the phone, or
turn o and start the phone again.
3. The sharing may be blocked, so check DLNA
server program setting or firewall setting.
yIf you are using LG Musicow PC software,
when you designate shared folder, the
corresponding folder will be automatically
added to Music Library in a minute.

Troubleshooting 19
Troubleshooting
5
No TV sound in HDMI (ARC)
connection
The ARC function enables an HDMI capable TV to
send the audio streaming to HDMI OUT of the unit.
To use this function :
yYour TV must support the HDMI-CEC and ARC
function and the HDMI-CEC and ARC must be
set to On.
yThe setting method of HDMI-CEC and ARC may
dier depending on the TV. For details about
ARC function, refer to your TV manual.
yYou must use the HDMI cable (Type A, High
Speed HDMI™ cable with Ethernet).
yYou must connect the HDMI OUT (TV ARC) on
the unit with HDMI IN of the TV that supports
ARC function using an HDMI cable.
yYou can connect only one Sound bar to TV
compatible with ARC.
LG MUSICflow product is turned off
automatically.
There are some cases that power o will occur if
not receiving sound signal:
yOptical, HDMI ARC, Bluetooth, Wi-Fi (DLNA)
mode: if there is no sound signal during 20
minutes.
yPortable-In : no sound signal during 6 hours.
-In case of Network connected, it will go to
Network standby mode (White LED).
-In case of Network disconnected, it will go to
Standby mode (Red LED).
What is the type of music file that
can be played?
yYou can play the les with extension mp3, wma,
ac, m4a, aac, ogg, and wav.
yFor mp3 and wma, sampling frequency is 32- 48
kHz, and for ac, it supports up to 192 kHz, 24 bit.
yEven if the above conditions are satised, it may
not be played according to the characteristics of
the le or media server.
yDRM applied le cannot be played.
How can I use Spotify?
LG MUSICow product supports Spotify connect
method provided by Spotify. Through this, you
can use the function supported by Spotify by
connecting to the speaker through Spotify
application. If Music Flow speaker is in the network
composed of the same router, Spotify application
Speaker shape Icon is changed, and when you press
this Icon, you can check and select the speakers in
the same network. (When the speaker is selected,
the icon changes to green.)
How can I use HomeChat?
After HomeChat device registration, you can use
Home Chat.
Each of the family members can register and use
one speaker in HomeChat, and one person can
register several speakers.
For details, refer to http://www.lghomechat.com.
Depending on the region, some services (ex.
Spotify, Homechat, etc.) are unavailable.
, Note

6 Appendix
Appendix20
Appendix
6
Mounting the main
unit on a wall
Preparation materials
Unit
Wall bracket install guide
Screws
Wall bracket
Screws (A)
Wall plug
Screws (A) and Wall Plugs are not supplied for
mounting the unit. We recommend the Hilti
(HUD-1 6 x 30) for the mounting.
1. Match the TV’s BOTTOM EDGE of Wall bracket
install guide with the bottom of TV and attach
to the position.
TV
2. When you mount it on a wall (concrete), use the
wall plugs. You should drill some holes. A guide
sheet (Wall bracket install guide) is supplied to
drill. Use the sheet to check the point to drill.
3. Remove the Wall bracket install guide.
4. Fix the brackets with screws (A) as shown in the
illustration below.
5. Put the unit on the brackets to match screw
holes on the bottom of the unit.
6. Fix the unit with the screws firmly.