LG NB2420A User Manual

OWNER’S MANUAL

160 W Sound Bar System

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

NB2420A (NB2420A)

www.lg.com

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.

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
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

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 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.

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. hen installing the product, ensure
that the plug is easily accessible.

This device is equipped with a portable battery or
accumulator.

Safety way to remove the battery or 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 shall not be exposed to
excessive heat such as sunshine, re or the like.

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.

Getting Started 3

IMPORTANT SAFETY
INSTRUCTIONS

1. Read these instructions.

2. Keep these instructions.

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 power­supply 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.

1

Getting Started

Getting Started4

FCC Compliance Statement
This device complies with part 15 of the FCC
rules. Operation is subject to the following two
conditions:

1

(1) This device may not cause harmful interference,

Getting Started

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 dierent from that to which the receiver is
connected.

yConsult the dealer or an experienced radio/TV

technician for help.

CAUTION : Any changes or modications 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
modications to this equipment may cause harmful
interference unless the modications are expressly
approved in the instruction manual. The user could
lose the authority to operate this equipment if an
unauthorized change or modication 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
specic 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 Clis, NJ 07632
TEL. : [phone]

Table of Contents 5

Table of Contents

1 Getting Started

2 Safety Information
6 Unique Features
6 – Portable In
6 – Speaker ez (easy) Setup
6 Accessories
7 Introduction
7 – Symbols Used in this Manual
7 Playable file
7 – MP3/ WMA file requirement
8 Remote control
9 Front panel
9 Rear panel

2 Connecting

10 Mounting the main unit on a wall
12 Optional Equipment Connection
12 – PORT. (Portable) IN Connection
12 – Listening to music from your portable

player
12 – OPTICAL In connection
12 – Speaker ez (easy) setup
13 – USB Playback

17 Using Bluetooth technology
17 – Listening to music stored on the

Bluetooth devices

19 Controlling a TV with the Supplied

Remote Control

19 – Setting up the remote to control your

TV

4 Troubleshooting

20 Troubleshooting

5 Appendix

21 Maintenance
21 – Handling the Unit
22 Trademarks and Licenses
23 Specifications

1

2

3

4

5

3 Operating

14 Basic Operations
14 – USB Operation
14 Other Operations
14 – DOLBY DRC (Dynamic Range

Control)
14 – AV Sync
14 – AUTO POWER On/Off
15 – AUTO POWER DOWN
15 – Sleep Timer Setting
15 – Dimmer
15 – Turn off the sound temporarily
15 – Displaying file and input source
16 Sound adjustment
16 – Setting the surround mode
16 – 3D Sound Effect

Getting Started6

Unique Features

Portable In

1

Getting Started

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

Speaker ez (easy) Setup

Listen to sounds from TV, DVD or Digital device
with vivid 2.1 or 2.0 ch mode.

Accessories

Please check and identify the supplied accessories.

VOL +

PR/CH

PR/CH

AV/INPUT

VOL -

Remote control (1) Batteries (2)

Wall Mount Bracket
Installation Template
(1)

Optical cable (1)

Wall bracket (1)

Getting Started 7

Introduction

Symbols Used in this Manual

Note

,

Indicates special notes and operating features.

Tip

,

Indicates tip and hints for making the task easier.

Caution

>

Indicates cautions for preventing possible damages
from abuse.

Playable file

MP3/ WMA file requirement

MP3/ WMA le compatibility with this unit is limited
as follows :

ySampling frequency : within 32 to 48 kHz (MP3),

within 32 to 48 kHz (WMA)

yBit rate : within 32 to 320 kbps (MP3),

40 to 192 kbps (WMA)

yMaximum les : Under 999

yFile extensions : “.mp3”/ “.wma”

1

Getting Started

Getting Started8

Remote control

1

Getting Started

Battery Installation

Remove the battery cover on the rear of the
Remote Control, and insert two (size AAA) battery
with and matched correctly.

• • • • • • • • • • a • • • • • • • • •

(Power): Switches the unit ON or OFF.

1

INPUT: Changes input sources.

FOLDER: Searches for a folder of MP3/

W/S

WMA les. When an USB containing MP3/ WMA
les in several folders is being played,
press
to play.

OPTICAL: Changes input source to optical directly.

MUTE

-/+ VOL: Adjusts speaker volume.

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

AUTO POWER: This function is automatically
turned on the unit.

AV SYNC: Synchronizes the audio and video.

INFO: Displays the le or input source information.

REPEAT: Listens to your les repeatedly or

randomly.

C/V

- Skips Fast backward or Forward.

- Searches for a section within a track.

: Stops playback.

Z
d/M

SOUND EFFECT: Selects a sound eect mode.

3D SOUND: Turns on and o the 3D Sound mode.

: This button is not available.

?

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

0 to 9 numerical buttons: Selects numbered les.
Enters the PIN code.

DOLBY DRC: Sets the Dobly DRC.

SLEEP: Sets the system to turn o automatically at

a specied time.

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

TV Control buttons: See page 19.

FOLDER to select the folder you want

W/S

: Mutes the sound.

(Skip/ Search) :

: Starts playback. / Pauses playback.