OWNER’S MANUAL
Wireless
Sound Bar
1906_Rev01
www.lg.com
Copyright © 2019 LG Electronics Inc. All Rights Reserved.
Please read this manual carefully before operating your set and retain it for future
reference.
MODEL
SL4R (SL4R, SPH4B-W), SPJ4-S (SPJ4-S, S65S3-S)
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.
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: 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.
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 should 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.
CAUTION: No naked ame sources, such as lighted
candles, should be placed on the apparatus.
NOTICE: For safety marking information including
product identication and supply ratings, please refer
to the main label on the bottom or the other surface
of the product.
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.
Getting Started 3
Getting Started
1
CAUTION: 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.
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 Contents4
2 Connecting
13 Organizing cables (Optional)
13 Connecting the AC Adapter
14 Wireless subwoofer and rear speaker
connection
14 – Wireless subwoofer connection
15 – Rear speakers connection
16 – Surround sound
18 – How to Affix the Ferrite Core
19 Connecting to your TV
19 – Using an OPTICAL cable
19 – LG Sound Sync
21 Optional equipment connection
21 – OPTICAL IN connection
21 – USB connection
21 – Compatible USB devices
22 – USB device requirement
22 – Playable file
Table of Contents
1 Getting Started
2 Safety Information
6 Introduction
7 Front panel
8 Rear panel
9 Remote control
12 Installing the sound bar
Table of Contents 5
1
2
3
4
5
3 Operating
24 Basic operations
24 – USB operation
25 Other operations
25 – Using your TV remote control
26 – AUTO POWER On/Off
27 – Auto function change
28 Using a Bluetooth Wireless Technology
28 – About Bluetooth
28 – Bluetooth profiles
28 – Listening to Music of a Bluetooth Device
30 – Controls connected Bluetooth device
30 – Bluetooth connection lock (BT LOCK)
30 Using BLUETOOTH App
30 – Install “Music Flow Bluetooth” App onto
Your BLUETOOTH Device
31 – Activate BLUETOOTH with “Music Flow
Bluetooth” App
4 Troubleshooting
32 Troubleshooting
32 – General
33 – NOTES to use wireless
5 Appendix
34 Trademarks and licenses
35 Specifications
37 Handling the Speaker
Getting Started6
Getting Started
1
Introduction
Symbol 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
Front panel
A
Display Window
- Display window will be darkened automatically if there is no key input for 15 seconds.
When you press any button, the display window will brighten.
B
Remote sensor
C
1
(Standby)
- Switches the unit ON or OFF.
F (Function)
- Select the function and input source by pressing F repeatedly.
Input source / Function Display
Optical
LG Sound Sync (Wired)
OPT
Bluetooth BT
LG Sound Sync (Wireless) LG TV
USB USB
o/p
(Volume)
- Adjusts volume level.
,
This unit will turn itself off to save electric consumption when the main unit is not connected to an external
device and is not used for 15 minutes.
Getting Started8
Getting Started
1
Rear panel
A
DC IN
- Connect to the AC adapter.
B
OPTICAL IN
- Connect the OPTICAL IN jack on the back of the unit to OPTICAL OUT jack on the TV.
C
USB Port
- Connect USB memory device to the USB port on the back of the unit.
Getting Started 9
Getting Started
1
Remote control
Replacement of Battery
Remove the battery cover on the rear of the remote
control, and insert the battery with
4
and
5
matched correctly.
a
1
(Standby)
- Switches the unit ON or OFF.
b
VOL (Volume)
o
/
p
- Adjusts speaker volume.
c
C
/
V
(Skip/Search)
- Press
C
or
V
to go to next or previous le.
- Press and hold
C
or
V
during playback and release it at the point you want.
d
N
(Play/Pause)
- Starts playback. / Pauses playback.
y
BT (Bluetooth) connection Lock: It allows you to connect a Bluetooth device only on Bluetooth
and LG TV functions. (Page 30)
To turn on or off the Bluetooth connection lock, press and hold
N
for about 3 seconds and press it
again in BT (Bluetooth) function.
Getting Started10
Getting Started
1
e
SOUND EFFECT
- Selects a sound effect mode by using SOUND EFFECT.
On Display Description
ASC (Adaptive Sound Control)
Analyzes the property of the input sound and provides the
sound optimized for the content in real time.
BASS BLAST or BASS BLAST+ Reinforces the bass and powerful sound.
STANDARD You can enjoy optimized sound.
CINEMA You can enjoy more immersive and cinematic surround sound.
y
TV remote: It allows you to control the volume of this unit by your TV remote control even by other
company’s product. (Page 25)
To turn on or off the TV Remote function, press and hold SOUND EFFECT for about 3 seconds and
press it again.
,
Supported TV brands
LG Panasonic Philips Samsung Sharp Sony Toshiba Vizio
f
(Sound tuning)
- Adjusts sound level of each speaker.
Select the speaker you want to adjust by using
and adjust the sound level by using VOL
o
/
p
.
,
Adjusting rear speakers level is applied only when the rear speakers are connected.
Speaker Display Range
Sub Woofer WF -15 ~ 6
Treble TRE -5 ~ 5
Bass BAS -5 ~ 5
Rear R -6 ~ 6
y
Surround sound: It allows you to enjoy surround sound with rear speakers. (Page 18)
To turn on or off the surround sound, press and hold
for about 3 seconds and press it again.
Getting Started 11
Getting Started
1
g
F (Function)
- Select the function and input source by pressing F repeatedly.
h
[
(Mute)
- Press
[
to mute your unit. To cancel it, press
[
again.
i
J
(Information)
- You can display various information of the input source by pressing
J
.
- OPT (Optical): Audio format
- BT (Bluetooth): Connected Bluetooth device name
- USB: File information contained on a USB.
y
Auto Power ON/OFF: It allows the unit to turn on and off automatically by input signals: Optical, LG
TV or Bluetooth (Page 26)
To turn on or off AUTO POWER function, press and hold
J
for about 3 seconds and press it again.
j
REPEAT
- Press REPEAT to select desired repeat or random mode.
k
FOLDER
W
/
S
- Searches a folder on USB device.
Getting Started12
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 19 - 21)
You can place the wireless subwoofer anywhere in
your room. But it is better to place the subwoofer
near the main unit. Turn it slightly toward the center
of the room to reduce the wall reections.
For the best surround sound, place the speakers as
shown below.
y
If the sound bar covers the remote sensor of the
TV, please separate distance between the sound
bar and TV by 10 ~ 15 cm (3.9 ~ 5.9 inch) or
more.
y
The illustration above may differ from actual
units.
,
Note
y
For best performance of wireless connection
such as Bluetooth or wireless subwoofer,
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 /Subwoofer when
installing or moving them.
>
Caution
2 Connecting
Connecting 13
Connecting
2
Organizing cables
(Optional)
You can organize the cable with cable ties.
1. Hold the cables together with cable ties as shown
below.
2. Tighten cable ties.
y
After all connections are completed, you can
arrange cables as needed.
y
Cable ties are not supported.
,
Note
Connecting the AC
Adapter
Connect the speaker to the power supply with the
supplied AC adapter.
1. Connect the supplied AC power cord to the AC
adapter.
2. Connect the AC adapter cable to DC IN adapter
input.
3. Plug the AC power cord into an AC outlet.
Only use the AC adapter supplied with this
device. Do not use a power supply from another
device or manufacturer. Using any other power
cable or power supply may cause damage to the
device and void your warranty.
>
Caution
Connecting14
Connecting
2
Wireless subwoofer and
rear speaker connection
Wireless subwoofer connection
LED indicator of wireless subwoofer
LED Color Status
Yellow - green
(Blink)
The connection is trying.
Yellow - green The connection is completed.
Red The wireless subwoofer is in
standby mode or the connection
is failed.
Off
(No display)
The power cord of wireless
subwoofer is disconnected.
Setting up the wireless subwoofer for
the first time
1. Connect the power cord of the sound bar and the
wireless subwoofer to the outlet.
2. Turn on the sound bar. The sound bar and
the wireless subwoofer will be automatically
connected.
- Yellow - green LED on the front of wireless
subwoofer turns on.
Manually pairing wireless subwoofer
When your connection is not completed, you can
check red LED on the wireless subwoofer and the
wireless subwoofer does not make sound. To solve
the problem, follow the steps. below.
1. Press PAIRING on the rear of the wireless
subwoofer.
- The yellow - green LED on the front of the
wireless subwoofer blinks quickly.
(If the yellow - green LED does not blink, press
and hold the PAIRING.)
2. Turn on the sound bar.
- Pairing is completed. The yellow - green LED on
the front of the wireless subwoofer turns on.
Connecting 15
Connecting
2
y
It takes a few seconds (and may take longer)
for the main unit and the subwoofer to
communicate with each other and make
sounds.
y
The 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 an 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.
- Keep the sound bar and the subwoofer
away from the device (ex. wireless router,
microwave oven, etc.) over 1 m (3.3 ft) to
prevent wireless interference.
!
1 m
(3.3 ft)
,
Note
Rear speakers connection
Connecting the rear speakers
1. Connect the black stripe wire to the terminal
marked - (minus) and the other end to the
terminal marked + (plus).
2. Connect the wireless receiver and the rear
speakers (right, left) with the speaker cables.
Color Position
Grey Rear right
Blue Rear left
Connecting16
Connecting
2
y
Use the speaker supplied with this unit
only. Using any other speaker may cause
malfunction.
y
Be sure to match the speaker cable to the
appropriate terminal on the components: +
to + and – to –. If the cables are reversed, the
sound will be distorted and will lack bass.
>
Caution
LED indicator of wireless receiver
LED Color Status
Yellow - green
(Blink)
The connection is trying.
Yellow - green
The connection is completed.
Red The wireless receiver is in standby
mode or the connection is failed.
Off
(No display)
The power cord of wireless
receiver is disconnected.
Setting up the wireless receiver for the
first time
1. Connect the power cord to the wireless receiver
to the outlet.
2. Turn on the main unit: The sound bar and wireless
receiver will be automatically connected.
- Yellow - green LED on the wireless receiver
turns on.
Manually pairing wireless receiver
When your connection is not completed, you can
see the red LED on the wireless receiver and rear
speakers do not make sound. To solve the problem,
follow the below steps.
1. Press PAIRING on the rear of the wireless
receiver.
- The yellow - green LED on the wireless receiver
blinks quickly.
2. Turn on the main unit
- Paring is completed. The yellow - green LED on
the wireless receiver turns on.
Surround sound
You can enjoy magnicent surround sound for all the
input sound source with rear speakers.
If you turn on the surround function, the whole
speaker outputs sound.
When you turn off the surround function, the
speakers output sound as an original input sound
channel.
To turn on surround function, press and hold on
the remote control for about 3 seconds and press it
once again while “OFF - SURROUND” is scrolled.
To turn off surround function, press and hold
on
the remote control for about 3 seconds and press it
once again while “ON - SURROUND” is scrolled.
Connecting 17
Connecting
2
Surround function ON
Sound Effect Input
Output
No rear speakers Rear speakers connected
ASC
2.0 Ch
5.1 Ch
STANDARD
2.0 Ch
5.1 Ch
BASS BLAST
or
BASS BLAST +
2.0 Ch
5.1 Ch
CINEMA
2.0 Ch
5.1 Ch
Surround function OFF
Sound Effect Input
Output
No rear speakers Rear speakers connected
ASC
2.0 Ch
5.1 Ch
STANDARD
2.0 Ch
5.1 Ch
BASS BLAST
or
BASS BLAST +
2.0 Ch
5.1 Ch
CINEMA
2.0 Ch
5.1 Ch
Connecting18
Connecting
2
How to Affix the Ferrite Core
Ferrite core may not be provided depending on each
nation’s regulations.
Affix the Ferrite Core for speaker
cables
You must afx a ferrite core in order to reduce or
eliminate electrical interference.
1. Pull the stopper [a] of the ferrite core to open.
2. Wind the speaker cables around the ferrite core
twice.
3. Close the ferrite core until it clicks.
y
If there is a strong electromagnetic wave
product nearby, interference may occur. Put
the main unit and wireless receiver away from
there.
y
The wireless receiver will automatically switch
to standby mode in a few minutes after the
sound bar is turned off.
When the wireless receiver is in standby
mode, the LED will turn on in red.
y
When you turn on the sound bar, the wireless
receiver will turn on and the LED will change
to yellow - green and then the rear speakers
makes sound within a few seconds.
y
It takes a few seconds (and may take longer)
for the main unit and Wireless Receiver to
communicate with each other.
y
Use the rear speaker at least 30 cm (11.8 inch)
away from either TV screen or PC monitor.
y
When the wireless receiver is being
connected or disconnected with the main
unit, output sound may be interrupted.
y
Set the distance between the sound bar and
the wireless receiver as close as possible and
keep them away from the device (ex. wireless
router, microwave oven, etc.) over 1 m (3.3 ft)
to prevent wireless interference.
!
1 m
(3.3 ft)
,
Note
Connecting 19
Connecting
2
Connecting to your TV
Please connect with this unit and TV using the optical
digital cable or HDMI cable considering the state of
the 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 OPT by pressing F
repeatedly.
You can see “OPT” on the display window if
connecting normally between this unit and your
TV.
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 the LG TV that is supported 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 the function to the others.
- 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
Connecting20
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
.
4. Select the input source to OPT by pressing F
repeatedly.
You can see “LGOPT” on the display window if
connecting normally between this unit and your
TV.
Details of TV setting menu vary depending on
the models of your TV.
,
Note
LG Sound Sync with wireless
connection
1. Turn on the unit by pressing
1
.
2. Select the LG TV function by pressing F
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)]
“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.
If you turned off the unit directly by pressing
1
(Power), LG Sound Sync (Wireless) will be
disconnected.
,
Note
Connecting 21
Connecting
2
Optional equipment
connection
OPTICAL IN connection
Connect an optical output jack of external devices to
the OPTICAL IN jack.
Optical cable
To the optical output
jack of external device
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 OPT by pressing F
repeatedly.
You can see “OPT” on the display window if
connecting normally between this unit and your
device.
Before connecting the optical cable, be sure to
remove the protection plug cover if your cable
has the cover.
,
Note
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 24.
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.
Connecting22
Connecting
2
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 999 or more.
y
The unit’s USB Port cannot be connected to PC.
The unit can not be used as a storage device.
y
FAT16/FAT32 le system is supported on this unit.
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
Playable file
Sampling Frequency
MP3: within 32 to 48 kHz
WMA: within 32 to 48 kHz
Bitrate resolution
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.
Connecting 23
Connecting
2
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
If there is no le in a folder, the folder will not
appear.
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
This unit can display le or folder names that
contain numbers or English characters only.
y
*ROOT: The rst screen you can see when a
this unit recognize the USB is “ROOT”.
,
Note
3 Operating
Operating24
Operating
3
Basic operations
USB operation
1. Connect the USB device to the USB port.
2. Select the USB function by pressing F repeatedly.
To Do this
Playback
Press
N
on the remote
control.
Pause
During playback, press
N
on
the remote control.
Skip to the next/
previous le
During playback, press
V
on
the remote control to go to the
next le.
Playing less than 3 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
on the
remote control during playback
and release it at the point you
want to listen to.
Play repeatedly
or randomly
Press REPEAT on the remote
control repeatedly. Refer to
the note for details about the
display change.
Search a folder
Press FOLDER
W
/
S
on the
remote control.
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
Repeat/Random playback operates as follows.
On Display Description
OFF Plays songs on USB device
in order.
ONE Plays a same song
repeatedly.
FOLDER Plays songs in a folder
repeatedly.
ALL Plays all the songs on USB
device repeatedly.
SHUFFLE Plays all the songs once
randomly, and stops the
playback.
,
Note
Operating 25
Operating
3
Other operations
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 SOUND EFFECT on the remote
control for about 3 seconds. “ON - TV REMOTE”
appears and you can control this unit by your TV
remote control.
To check the status of this function, press and hold
SOUND EFFECT on the remote control.
To turn off this function, press and hold SOUND
EFFECT on the remote control and press it once
again while “ON - TV REMOTE” is scrolled.
y
Make sure that the sound output of your TV
is set to [External speaker].
y
This function does not operate on LG TV’s
magic remote control.
y
Some remote control may not be supported.
,
Note
Operating26
Operating
3
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 selects 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 to your
Bluetooth device.
To turn on this function, press and hold
J
on the
remote control for about 3 seconds and press it once
again while “OFF - AUTO POWER” is scrolled.
To check the status of this function, press and hold
J
on the remote control.
To turn off this function, press and hold
J
on the
remote control for about 3 seconds and press it once
again while “ON - AUTO POWER” is scrolled.
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 TV connected by LG Sound Sync
(Optical/Wireless).
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 turning off the unit.
y
When you turn on this unit for the rst time,
status of Auto Power function is turned on.
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 27
Operating
3
Auto function change
This unit recognizes input signals such as Optical,
Bluetooth and LG TV 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 changes 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.
If the Bluetooth connection lock function is set,
Bluetooth connection will be only available on
Bluetooth and LG TV function. (Page 30)
,
Note
Operating28
Operating
3
Using a Bluetooth
Wireless 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, 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
speaker is compatible with following prole.
A2DP (Advanced Audio Distribution Prole)
Listening to Music of a
Bluetooth Device
Before you start the pairing procedure, make sure
that the Bluetooth feature on your smart device
is turned on. 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 Bluetooth function by pressing F
repeatedly.
Appears “BT” and then “READY” in display
window.
2. Operate the Bluetooth device and perform
the pairing operation. When searching for this
speaker on your Bluetooth device, a list of the
devices found may appear in the Bluetooth
device display depending on the type of
Bluetooth device.
Your speaker appears as “LG SL4R(XX)”
3. Select the “LG SL4R(XX)”.
y
XX means the last two digits of address.
For example, if your unit has a MAC
address such as 9C:02:98:4A:F7:08, you
will see “LG SL4R(08)” on your Bluetooth
device.
y
Depending on the Bluetooth device type,
some devices have a different pairing way.
For details about Bluetooth pairing, refer
to your Bluetooth device manual.
,
Note
Operating 29
Operating
3
4. When this unit is successfully connected with
your Bluetooth device,
“PAIRED”
[
your device’s name
[
“BT” appears
on the display window.
y
If it is unavailable to display device name
on the unit, “-” will be displayed.
y
To check the connected device’s name,
press
J
on the remote control. The
connected Bluetooth device’s name is
displayed.
,
Note
5. Listen to music.
To play music in your Bluetooth device, refer to
your Bluetooth device’s user guide.
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 case
below:
- There is an 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.
,
Note
y
If Bluetooth connection does not work well,
try pairing it again.
y
The sound may be interrupted when the
connection has interference by the other
electronic waves.
y
Pairing is limited to one Bluetooth device per
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, 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 to 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, “READY”
appears in the display window.
y
When you connect Bluetooth device (iOS
device etc.) to this unit or operate the device,
the volume level can be synchronized with
each other.
y
If you change to another function after
connecting Bluetooth, Bluetooth connection
will be disconnected. And you return to
Bluetooth function, Bluetooth connection
will be connected automatically.
,
Note
Operating30
Operating
3
Controls connected Bluetooth
device
You can control the connected Bluetooth device
from the unit; play, pause, skip, volume.
y
Only Android OS and iOS is available to use
this function.
y
This function may not be supported
depending on the Bluetooth device or some
of TV operated differently.
,
Note
Bluetooth connection lock (BT
LOCK)
You can limit Bluetooth connection to only
BT (Bluetooth) and LG TV function to prevent
unintended Bluetooth connection.
To turn on this function, press and hold
N
on
the remote control for about 3 seconds in BT
(Bluetooth) function and press it once again while
“OFF - BT LOCK” is scrolled. Then you can limit
Bluetooth connection.
To turn off this function, press and hold
N
on
the remote control for about 3 seconds in BT
(Bluetooth) function and press it once again while
“ON - BT LOCK” is scrolled.
Even if you set up BT LOCK function to On, this
sound bar turns on by Auto Power function. Turn
off Auto Power function to prevent it. (Page 26)
,
Note
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 area, QR code may not work.
y
You can nd the available application of this
unit by using “LG Audio” app. Android OS: Ver
5.0 (or later)
,
Note
Operating 31
Operating
3
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.
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.
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
the distance between this unit and Bluetooth
device and wireless conditions.
,
Note
4 Troubleshooting
Troubleshooting32
Troubleshooting
4
Troubleshooting
General
Symptoms Cause & Solution
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 a external device (set top box, Bluetooth
device etc.), adjust volume level of the device.
No woofer sound
y
The power cord of the subwoofer is not connected.
Plug the power cord into the wall outlet securely.
y
Pairing between the unit and the subwoofer gets disconnected.
Connect the unit and the subwoofer. (Page 14)
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.
Troubleshooting 33
Troubleshooting
4
Symptoms Cause & Solution
The unit does not connect
with Bluetooth device.
y
Turn off the Bluetooth connection lock function. (Page 30)
When you feel the output
sound of the unit is low.
Check the details below and adjust the unit according to them.
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
Change Audio DRC setting on connected device setup menu to [OFF] state.
y
Make sure Night time mode is not On. Turn [OFF] Night time mode.
NOTES to use wireless
Symptoms Cause & Solution
This device may have
wireless interference.
y
Wireless may not operate normally in weak signal area.
y
Please install the device close enough to wireless subwoofer.
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 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
Appendix34
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.
Appendix 35
Appendix
5
Specifications
General
Power consumption Refer to the main label on the unit.
AC adapter
y
Model: DA-38A25
y
Manufacturer: Asian Power Devices Inc.
y
Input: 100 - 240 V ~ 50 - 60 Hz
y
Output: 25 V
0
1.52 A
Dimensions (W x H x D)
Approx. 890.0 mm X 57.0 mm X 85.0 mm With foot
(35 inch x 2.2 inch x 3.3 inch)
Operating temperature 5 °C to 35 °C (41 °F to 95 °F)
Operating humidity 5 % to 90 %
Bus Power Supply (USB) 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
Input/Output
OPTICAL IN 3 V (p-p), Optical jack x 1
Amplier (RMS Output)
Total 420 W RMS
Front 50 W RMS x 2 (4
Ω
at 1 kHz, THD 10 %)
Rear 60 W RMS x 2 (3
Ω
at 1 kHz, THD 10%)
Subwoofer 200 W RMS (3
Ω
at 80 Hz, THD 10 %)
Appendix36
Appendix
5
Wireless subwoofer
Power requirements Refer to the main label on the subwoofer.
Power consumption Refer to the main label on the subwoofer.
Type 1 Way 1 Speaker
Impedance 3
Ω
Rated Input Power 200 W RMS
Max. Input Power 400 W RMS
Dimensions (W x H x D)
Approx. 171.0 mm x 390.0 mm x 261.0 mm
(6.7 inch x 15.3 inch x 10.2 inch)
SPJ4-S (SPJ4-S, S65S3-S)
Wireless receiver
Power requirements Refer to the main label on the wireless receiver.
Power consumption Refer to the main label on the wireless receiver.
Dimensions (W x H x D)
Approx. 60.0 mm x 220.0 mm x 175.0 mm
(2.4 inch x 8.7 inch x 6.9 inch)
Rear speakers (Each)
Type 1 Way 1 Speaker
Impedance 3
Ω
Rated Input Power 60 W RMS
Max. Input Power 120 W RMS
Dimensions (W x H x D)
Approx. 97.0 mm X 140.0 mm X 80.0 mm
(3.8 inch x 5.5 inch x 3.1 inch)
y
Designs and specications are subject to change without prior notice.
Appendix 37
Appendix
5
Handling the Speaker
When shipping the speaker
Please save the original shipping carton and packing
materials. If you need to ship the speaker, for
maximum protection, re-pack the speaker 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 speaker.
y
Wiping with strong pressure may damage the
surface.
y
Do not leave rubber or plastic products in contact
with the speaker for a long period of time.
Cleaning the speaker
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 speaker.
