LG NB4540 Owner’s Manual

OWNER’S MANUAL

4.1 ch Hi-Fi
Sound Bar

ENGLISH

Please read this manual carefully before operating
your set and retain it for future reference.

NB5540 (NB5540, S54A1-D)
NB4540 (NB4540, S44A1-D)

www.lg.com

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1 Getting Started

Getting Started 3

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.

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.

WARNING: Do not install this equipment in a
conned space such as a book case or similar unit.

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 built­in installation such as a bookcase or rack unless
proper ventilation is provided or the manufacturer’s
instruction has been adhered to.

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. To
disconnect power from the mains, pull out the
mains cord plug. When installing the product,
ensure that the plug is easily accessible.

1

Getting Started

NOTICE: For Product Identication and
Compliance/Safety labeling information please
refer to Main Label on the bottom of Unit.

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Getting Started4

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

1

pack, follow the steps in reverse order than

Getting Started

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.

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Table of Contents 5

Table of Contents

1 Getting Started

3 Safety Information
6 Unique features
6 Introduction
6 – Symbols used in this manual
6 Accessories
7 Remote control
8 Front panel
8 Rear panel
9 Installing the sound bar
10 Mounting the main unit on a wall

2 Connecting

12 Connecting the AC adapter
12 Wireless subwoofer connection
13 Connecting to your TV
13 – Using an OPTICAL cable
14 – Using an HDMI cable
14 – Enjoy rich sound broadcast of the

channel with the sound bar
15 – What is SIMPLINK?
15 – ARC (Audio Return Channel) function
16 – Additional information for HDMI
16 Optional equipment connection
16 – HDMI connection
17 – PORT. (Portable) IN connection
18 – OPTICAL IN connection
18 – USB connection
18 – Compatible USB devices
18 – USB device requirement
19 – Playable file

21 – Sleep timer setting
22 – AUTO POWER On/Off
22 – Auto function change
23 – LG Sound Sync
25 Using Bluetooth technology
25 – Listening to music stored on the

Bluetooth devices
26 Using Bluetooth App
26 – Install “LG Bluetooth Remote” App

onto Your Bluetooth Device
27 – Activate Bluetooth with “LG Bluetooth

Remote” App
28 Sound adjustment
28 – Setting sound effect
28 – Adjust volume level automatically
28 – Adjust the woofer level settings
29 Controlling a TV with the supplied remote

control

29 – Setting up the remote to control your

TV

4 Troubleshooting

30 Troubleshooting

5 Appendix

32 Trademarks and licenses
33 Specifications
35 Maintenance
35 – Handling the unit

1

2

3

4

5

3 Operating

20 Basic operations
20 – USB operation
21 Other operations
21 – DRC (Dynamic Range Control)
21 – AV Sync
21 – Turn off the sound temporarily
21 – Displaying file and input source

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Getting Started6

Unique features

Auto power down

1

Getting Started

This unit will turn o by itself for energy saving
consumption.

Portable In

Listen to music from your portable device. (MP3,
Notebook, etc)

Speaker (easy) setup

Listen to sound from TV, DVD or Digital device with
vivid 4.1 ch mode.

LG Sound Sync

Controls volume level of this unit by the remote
control of your LG TV that is compatible with LG
Sound Sync.

Introduction

Symbols used in this manual

Note

,

Indicates special notes and operating features.

Caution

>

Indicates cautions for preventing possible damages
from abuse.

Accessories

Please check and identify the supplied accessories.

Designs and specications of the accessories are
subject to change without prior notice.

Remote control (1) Batteries (2)

AC adapter (1) Power cord (1)

Optical cable (1)

Wall bracket (2) Wall bracket install

USB gender changer
(1)

guide (1)

Screws (2) Cable ties for arranging

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cables (2)

Getting Started 7

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 • • • • • • • • •

(Power) : Switches the unit ON or OFF.

1

FUNCTION : Selects the function and the input
source.

FOLDER

OPTICAL : Changes input source to OPTICAL

directly.

MUTE i : Mutes the sound.

VOL o/p : Adjusts speaker volume.

• • • • • • • • • • b • • • • • • • • •

AUTO POWER : Turns on or o AUTO POWER
function. (Refer to the page 22.)

AV SYNC : Synchronizes the audio and video.

INFO : Displays the information of a le or an input

source.

REPEAT : Listen to your les repeatedly or
randomly.

C/V

- Skips Fast backward or Forward.

- Searches for a section within a le.

(Stop) : Stops playback.

Z

(Play/Pause) : Starts playback. / Pauses

d/M

playback.

SOUND EFFECT : Selects a sound eect mode.

AUTO VOLUME : Turns on and o the AUTO

VOLUME mode.

WOOFER LEVEL : Sets the sound level of woofer.

• • • • • • • • • • c • • • • • • • • •

0 to 9 numerical buttons : Selects a le directly.

DRC : Turns on or o DRC function.

SLEEP : Sets the system to turn o automatically at

a specied time.

• • • • • • • • • • d • • • • • • • • •

TV Control buttons : See page 29.

: Searches a folder on USB device.

W/S

(Skip/Search) :

1

Getting Started

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Getting Started8

Front panel

1

Getting Started

Display window

A

Remote sensor

B

Standby LED
It lights up in red on standby mode.

Rear panel

DC. IN 25 V 0 2 A

A

HDMI IN / OUT : HDMI input / output

B

USB port

C

F (Function)

C

Selects the function and input source.

D p/o

E 1/!

D
E

(Volume)

Adjusts volume level.

(Standby/On)

OPT. IN : Optical input

PORT. IN : Portable input

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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. (Refer to pp. 13 - 18.)

Caution

>

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.

Getting Started 9

1

Getting Started

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Getting Started10

Mounting the main
unit on a wall

1

You can mount the main unit on a wall.

Getting Started

Preparation materials

Unit

Wall bracket install guide

Wall bracket

Screws

(Not supplied)

Screws (A)
Wall plug

Note

,

You should connect the supplied USB gender
changer in advance of mounting the unit on
the wall for using a USB connection.

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.

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Getting Started 11

4. Fix the brackets with screws (A) as shown in the
illustration below.

Note

,

Screws (A) and Wall Plugs are not supplied for
mounting the unit. We recommend the Hilti
(HUD-1 6 x 30) for the mounting.

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.

Note

,

To detach the unit, perform it in reverse order.

Caution

>

yDo not install this unit upside down. It can

damage the parts of this unit or be the
cause of personal injury.

yDo not hang onto the installed unit and

avoid any impact to the unit.

ySecure the unit rmly to the wall so that it

does not fall o. If the unit falls o, it may
result in an injury or damage to the product.

yWhen the unit is installed on a wall, please

make sure that a child does not pull any of
connecting cables, as it may cause it to fall.

1

Getting Started

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