LG LAS751M User Guide
LAS751M
SMART Hi-Fi AUDIO
Wireless Multi-room Sound Bar
Model : LAS751M
ENGLISH
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 dier
from your unit.
The actual product may dier from the image.
*MFL68864986*
www.lg.com
Printed in Indonesia
1 Getting Started
Getting Started2
Safety Information
1
Getting Started
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.
product’s enclosure that may be of sucient
magnitude to constitute a risk of electric shock to
persons.
instructions in the literature accompanying the
product.
WARNING: This product contains chemicals known
to the State of California to cause cancer and birth
defects or other reproductive harm. Wash hands
after handling.
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 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-
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
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
The exclamation point within an
equilateral triangle is intended
to alert the user to the presence
of important operating and
maintenance (servicing)
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 identication 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 specication 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.
Getting Started 3
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.
FCC Compliance Statement
This device complies with part 15 of the FCC
rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference,
and
(2) This device must accept any interference
received, including interference that may cause
undesired operation.
NOTE: This equipment has been tested and found
to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against
harmful interference in a residential installation. This
equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used
in accordance with the instructions, may cause
harmful interference to radio communications.
However, there is no guarantee that interference
will not occur in a particular installation.
If this equipment does cause harmful interference
to radio or television reception, which can be
determined by turning the equipment o and
on, the user is encouraged to try to correct the
interference by one or more of the following
measures:
yReorient or relocate the receiving antenna.
yIncrease the separation between the equipment
and receiver.
yConnect the equipment into an outlet on a
circuit dierent from that to which the receiver is
connected.
yConsult the dealer or an experienced radio/TV
technician for help.
CAUTION: Any changes or modications not
expressly approved by the party responsible for
compliance could void the user’s authority to
operate this equipment.
FCC WARNING: This equipment may generate
or use radio frequency energy. Changes or
modications to this equipment may cause harmful
interference unless the modications are expressly
approved in the instruction manual. The user could
lose the authority to operate this equipment if an
unauthorized change or modication is made.
FCC RF Radiation Exposure Statement : This
equipment complies with FCC radiation exposure
limits set forth for an uncontrolled environment.
This equipment should be installed and operated
with minimum distance 20 cm between the
radiator and your body. End users must follow the
specic operating instructions for satisfying RF
exposure compliance. This transmitter must not be
co-located or operating in conjunction with any
other antenna or transmitter.
FCC Radio Frequency Interference
Requirements
This device is restricted to indoor use due to its
operation in the 5.15 to 5.25 GHz frequency range.
FCC requires this product to be used indoors for
the frequency range 5.15 to 5.25 GHz to reduce the
potential for harmful interference to co-channel
Mobile Satellite systems. High power radars are
allocated as primary users of the 5.25 to 5.35 GHz
and 5.65 to 5.85 GHz bands. These radar stations
can cause interference with and/or damage this
device. This device cannot be co-located with any
other transmitter.
CAUTION: Regulations of the FCC and FAA prohibit
airborne operation of radio-frequency wireless
devices because their signals could interfere with
critical aircraft instruments.
Responsible Party :
LG Electronics USA, Inc.1000 Sylvan Avenue
Englewood Clis, NJ 07632
TEL. : +1-800-243-0000
1
Getting Started
Getting Started4
IMPORTANT SAFETY
INSTRUCTIONS
1. Read these instructions.
1
2. Keep these instructions.
Getting Started
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such
as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce
heat.
9. Do not defeat the safety purpose of the
polarized or grounding-type plug. A polarized
plug has two blades with one wider than the
other. A grounding type plug has two blades
and a third grounding prong. The wide blade or
the third prong are provided for your safety. If
the provided plug does not fit into your outlet,
consult an electrician for replacement of the
obsolete outlet.
10. Protect the power cord from being walked on
or pinched particularly at plugs, convenience
receptacles, and the point where they exit from
the apparatus.
11. Only use attachments/accessories specified by
the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or
table specified by the manufacturer, or sold with
the apparatus. When a cart is used, use caution
when moving the cart/apparatus combination
to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms
or when unused for long periods of time.
14. Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has
been damaged in any way, such as power-supply
cord or plug is damaged, liquid has been spilled
or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture,
does not operate normally, or has been dropped.
Table of Contents
Table of Contents 5
1 Getting Started
2 Safety Information
4 – IMPORTANT SAFETY
INSTRUCTIONS
6 Unpacking
6 – Additional Information for some
accessories
7 Front panel
7 Rear panel
8 Remote control
2 Connecting to your TV
9 Connecting to your TV
9 – 1. Optical connection
9 – 2. HDMI (ARC) connection
9 – 3. Wireless LG Sound Sync
connection
3 Using Multi-Room
10 Multi-Room Network Setup
10 – Step 1. Home Network Requirement
11 – Step 2. Installing “Music Flow Player”
App and Media Server
12 – Step 3. Initial Multi-Room Setup
14 – Step 4. Add Speakers (Optional)
15 – Using the Bridge
16 Enjoying Multiple MUSICflow Product
16 – 1. Home Cinema Mode (Surround
Sound Mode)
16 – 2. Grouping Mode
16 – 3. L/R Stereo Mode
4 Using External device
17 Using External device
17 – 1. HDMI Input connection
17 – 2. PORTABLE IN connection
17 – 3. BLUETOOTH® connection
5 Troubleshooting
18 Troubleshooting
6 Appendix
22 Mounting the main unit on a wall
23 About Status LED’s Condition
23 Specification
23 OPEN SOURCE SOFTWARE
NOTICE
1
2
3
4
5
6
Some of the content in this manual may dier from Music Flow Player app depending on the
application’s version.
Unpacking
1
Getting Started
Getting Started6
Unit
Remote Control and
Batteries
Cable ties
Subwoofer
Foot
yWhen mounting this unit on a wall, refer to page 22.
Adapter and
power cord
Wall bracket
install guide
Simple Manual
LAN cable
Optical cable
Wall brackets and
screws
Additional Information for some accessories
Subwoofer
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 18.
yRaises the height by attaching them.
yIf it has already a foot under the sound bar,
detach the foot. Then, replace to adjustable foot.
Foot
yDepending on the region, the supplied accessories may dier.
yWhen installing the unit on the metal furniture of
material, mount the supplied foot.
Front panel
Getting Started 7
1
Getting Started
Display window
A
LED indicator: Shows connection status.
B
(Page 23)
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
Remote sensor
C
Rear panel
(Standby/On)
D 1/!
F (Function): Selects the function and input
E
source. (OPTICAL / HDMI IN / WI-FI / Bluetooth /
PORTABLE)
+ (Volume)
F -/
(Wi-Fi): Connects initial MUSICflow
G
product to your network wirelessly.
(Add): Adds additional MUSICflow
H
products to your network. (In case one or more
MUSICflow products are connected)
S/W download connector (For service only)
A
DC IN (AC adapter input)
B
HDMI IN / OUT (TV ARC) connector : Connect
C
to HDMI IN (ARC) on TV.
ETHERNET (LAN) port
D
PORTABLE IN connector
E
OPT. IN connectors
F
Getting Started8
Remote control
1
Getting Started
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 • • • • • • • • •
(Power) : Switches the unit ON or OFF (standby
1
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 eect mode.
: Adjusts sound level of Treble, Bass and Sub-
woofer.
+/- (VOL): Adjusts speaker volume.
• • • • • • • • • • b • • • • • • • • •
REPEAT : Listen to your music repeatedly.
C/V
dM
playback.
INFO : Displays the input source information.
• • • • • • • • • • c • • • • • • • • •
DRC : Turns on or o DRC function.
yDRC (Dynamic Range Control) : Make the sound
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,
AV SYNC : Synchronizes the audio and video.
yWhen receiving audio signals from TV, sound
y Press AV SYNC then Use
SLEEP : Sets the system to turn o automatically at
a specied time.
AUTO POWER : Turns on or o AUTO POWER
function.
yIf your TV or an external device is connected to
(Skip) : Skips Fast backward or Forward.
(Play/Pause) : Starts playback or pauses
Note
,
You can use these playback buttons after
play music by “Music Flow Player” App or PC
software.
clear when the volume is turned down (Dolby
Digital only).
(Night mode) : Set Night mode to On to reduce
press this button on the remote control. So you
can enjoy the sound with appropriate levels.
and images may not be matched. In the case,
this function can adjust the delay time.
C/V
the time which you can set at between 0 and
300 ms.
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.
to control
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