LG NB4530B User manual

OWNER’S MANUAL
310 W Sleek Sound bar
Please read this manual carefully before operating your set and retain it
for future reference.
NB4530B (NB4530B, S43A2-D)
NB4532B (NB4532B, S43A2-D)
ENGLISH
www.lg.com

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: 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.
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 built-
in 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. hen installing the product, ensure
that the plug is easily accessible.

Getting Started 3
Getting Started
1
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.
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 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.

Getting Started4
Getting Started
1
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 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
1
2
3
4
5
Table of Contents
1 Getting Started
2 Safety Information
6 Unique features
6 – Auto power down
6 – Portable In
6 – Speaker ez (easy) setup
6 – LG Sound Sync
6 Introduction
6 – Symbols used in this manual
6 Accessories
7 Remote control
8 Front panel
8 Rear panel
9 Installing the sound bar
9 Installing the cover foot
10 Mounting the main unit on a wall
2 Connecting
12 Connecting the AC adapter
12 Setting up
12 – Pairing wireless subwoofer
13 Connecting to your TV
13 – Using an HDMI cable
13 – What is SIMPLINK?
14 – ARC (Audio Return Channel) function
14 – Additional information for HDMI
15 – Using an OPTICAL cable
16 Optional equipment connection
16 – HDMI connection
17 – PORT. (Portable) IN connection
17 – Listening to music from your portable
player
17 – OPTICAL IN connection
17 – Speaker ez (easy) setup
18 – USB playback
18 – Playable file
3 Operating
19 Basic operations
19 – USB operation
19 Other operations
19 – DRC (Dynamic Range Control)
19 – AV Sync
19 – Turn off the sound temporarily
19 – Displaying file and input source
20 – AUTO POWER On/Off
20 – Auto power down
20 – Sleep timer setting
21 – LG Sound Sync
22 Using Bluetooth® technology
23 – Listening to music stored on the
Bluetooth devices
24 Sound adjustment
24 – Setting the surround mode
24 – Auto volume On/Off
24 – Adjust the woofer level settings
25 Controlling a TV with the supplied remote
control
25 – Setting up the remote to control your
TV
4 Troubleshooting
26 Troubleshooting
5 Appendix
27 Trademarks and licenses
28 Specifications
29 Maintenance
29 – Handling the unit

Getting Started6
Getting Started
1
Unique features
Auto power down
This unit supports to turn o by itself for saving
energy consumption.
Portable In
Listen to music from your portable device. (MP3,
Notebook, etc)
Speaker ez (easy) setup
Listen to sound from TV, DVD or Digital device with
vivid 2.1 or 2.0 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.
Remote control (1) Batteries (2)
AC adapter (1) Power cord (1)
Optical digital Cable (1) USB Cable (1)
Wall bracket (1) Shaft wall mount (2)
Cover foot_19 mm (1) Cable ties for arranging
cables (2)
Wall Mount Bracket
Installation Template
(1)

Getting Started 7
Getting Started
1
Remote control
Battery Installation
Remove the battery cover on the rear of the
Remote Control, and insert two (size AAA) battery
with and matched correctly.
• • • • • • • • • • a • • • • • • • • •
1(Power) :Switches the unit ON or OFF.
FUNCTION :Selects the function and the input
source.
W/S FOLDER :Searches for a folder of MP3/
WMA les. When a USB containing MP3/WMA les
in several folders is being played,
press W/S FOLDER to select the folder you want
to play.
OPTICAL :Changes input source to OPTICAL
directly.
MUTE @:Mutes the sound.
VOL +/- :Adjusts speaker volume.
• • • • • • • • • • b • • • • • • • • •
AUTO POWER :This function is automatically
turned on the unit. (Refer to the page 20)
AV SYNC :Synchronizes the audio and video.
INFO :Displays the information of a le or an input
source.
REPEAT :Listens to your les repeatedly or
randomly.
C/V (Skip/Search) :
- Skips Fast backward or Forward.
- Searches for a section within a le.
Z(Stop) :Stops playback.
d/M (Play/Pause) :Starts playback. / Pauses
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 • • • • • • • • •
0to 9numerical buttons :Selects a le directly.
DRC :Sets the DRC.
SLEEP :Sets the system to turn o automatically at
a specied time.
• • • • • • • • • • d • • • • • • • • •
TV Control buttons :See page 25.

Getting Started8
Getting Started
1
A1/! (Standby/On)
B- / + (Volume -/+)
Adjusts volume level.
CT(Play/Pause)
DI(Stop)
EF (Function)
Selects the function and input source.
FDisplay window
Precautions in using the touch buttons
yUse the touch buttons with clean and dry
hands.
- In a humid environment, wipe out any
moisture on the touch buttons before
using.
yDo not press the touch buttons hard to
make it work.
- If you apply too much strength, it can
damage the sensor of the touch buttons.
yTouch the button that you want to work in
order to operate the function correctly.
yBe careful not to have any conductive
material such as metallic object on the
touch buttons. It can cause malfunctions.
> Caution
Front panel
ADC. IN 25 V 02 A
BUSB port
CPORT.(Portable) IN
DOPT.(Optical) IN
EHDMI IN/ OUT
Rear panel

Getting Started 9
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. (Refer to pp.13 - 18)
Installing the cover
foot
1. Turn the unit upside down.
2. Place the cover foot on the bottom of the unit
to match screw holes with those on the unit.
3. Fix it with screws as shown in the illustration
above.
You can exchange 26 mm foot (factory
installed) with 19 mm to change the height of
your unit.
(It has been already
installed to the unit.)
26 mm
19 mm
, Note

Getting Started10
Getting Started
1
Mounting the main
unit on a wall
You can mount the main unit on a wall.
Detach the cover foot of the unit, keep the
detached cover foot for later installation and use
the screws to hang the unit on the wall.
Prepare shaft wall mount and bracket.
Unit
Wall bracket
Wall Mount Bracket
Installation Template
Shaft wall mount
1. Locate the shaft wall mount on the screw hole
of the unit's back and then fix it onto the unit
with the screw.
2. Match the TV’s BOTTOM EDGE of Wall Mount
Bracket Installation Template with the bottom
of TV and attach to the position.
TV
3. When you mount it on a wall (concrete), use the
wall plugs. You should drill some holes. A guide
sheet (Wall Mount Bracket Installation Template)
is supplied to drill. Use the sheet to check the
point to drill.

Getting Started 11
Getting Started
1
4. Remove the Wall Mount Bracket Installation
Template.
5. Fix it with screws as shown in the illustration
below.
6. Hang the main unit onto the bracket as shown
below.
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.
> Caution
Detach the unit from the bracket as shown
below.
, Note

2 Connecting
Connecting12
Connecting
2
Connecting the 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
Setting up
Pairing wireless subwoofer
LED indicator of wireless subwoofer
LED Color Status
Yellow The wireless subwoofer is
receiving the signal of the unit.
Yellow (blink) The wireless subwoofer is trying
to connect.
Red The Wireless subwoofer is in
standby mode.
O (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 Wireless
subwoofer to the outlet.
2. Turn on the main unit : The main unit and
wireless subwoofer will be automatically
connected.
Manually pairing wireless subwoofer
When your connection is not completed, you can
see the red LED on the woofer and woofer is not
made sound. To solve the problem, follow the
below steps.
1. Press and hold ISTOP button on the unit
and MUTE button on the remote control
simultaneously.
- Displays the “REMATE”.
2. Press PAIRING on back of the woofer.
- The yellow LED will flicker.
3. Turn off and on the unit.
- If you see “Yellow” LED, it’ s successful.
4. If you don’t see “Yellow” LED, try again Step 1 -
Step 3.

Connecting 13
Connecting
2
yIf you operate main unit then wireless
subwoofer sound within a few seconds in
standby mode.
ySet the distance between this unit and
wireless subwoofer within 10 m (32 ft.).
yOptimum performance can be
implemented only when the unit and
the Wireless subwoofer within distance
of 2 m (6 ft.) to 10 m (32 ft.) is used since
communication failure may occur if longer
distance is used.
yIt takes a few seconds (and may take longer)
for the unit and subwoofer to communicate
with each other.
, Note
Connecting to your TV
You can listen to the sound from your TV via the
unit. There are two ways of connecting your TV to
the unit.
Using an HDMI cable
You must connect the TV that supports ARC
function if you want to listen to TV sound using an
HDMI cable. And turn on SIMPLINK of your TV.
(HDMI cable is not included.)
1. Connect the HDMI OUT jack on the back of
the unit to ARC jack on the TV using an HDMI
cable (Type A, High speed HDMI™ cable with
Ethernet).
HDMI cable
2. Turn TV and the unit on. ARC function is
selected automatically.
What is SIMPLINK?
Some functions of this unit are controlled by the
TV’s remote control when this unit and LG TV’s with
SIMPLINK are connected through HDMI connection.
Controllable functions by LG TV’s remote control :
Power on/o, volume up/down, etc.
Refer to the TV owner’s manual for the details of
SIMPLINK function.
LG TV’s with SIMPLINK function has the logo as
shown above.
Depending on the state of the unit, some
SIMPLINK operation may dier from your
purpose or not work.
, Note

Connecting14
Connecting
2
ARC (Audio Return Channel)
function
The ARC function enables an HDMI capable TV to
send the audio stream to HDMI OUT of the unit.
To use this function :
-Your TV must support the HDMI-CEC and ARC
function and the HDMI-CEC and ARC must be
set to On.
-The setting method of HDMI-CEC and ARC may
dier depending on the TV. For details about
ARC function, refer to your TV manual.
-You must use the HDMI cable (Type A, High
Speed HDMI™ cable with Ethernet).
-You must connect the HDMI OUT on the unit
with HDMI IN of the TV that supports ARC
function using an HDMI cable.
-You can connect only one Sound bar to TV
compatible with ARC.
Additional information for
HDMI
yWhen you connect a HDMI or DVI compatible
device make sure of the following:
- Try switching off the HDMI/DVI device and this
player. Next, switch on the HDMI/DVI device
and leave it for around 30 seconds, then switch
on this player.
- The connected device’s video input is set
correctly for this unit.
- The connected device is compatible with
720 x 480p, 1280 x 720p, 1920 x 1080i or
1920 x 1080p video input.
yNot all HDCP-compatible HDMI or DVI devices
will work with this player.
- The picture will not be displayed properly with
non-HDCP device.

Connecting 15
Connecting
2
yIf a connected HDMI device does not accept
the audio output of the player, the HDMI
device’s audio sound may be distorted or
may not output.
yChanging the resolution when the
connection has already been established
may result in malfunctions. To solve the
problem, turn o the player and then turn it
on again.
yWhen the HDMI connection with HDCP
is not veried, TV screen is changed to
black screen. In this case, check the HDMI
connection, or disconnect the HDMI cable.
yIf there are noises or lines on the screen,
please check the HDMI cable (length is
generally limited to 4.5 m(15 ft).
yYou cannot change the video resolution
in the HDMI IN mode. Change the video
resolution of the connected component.
yIf the video output signal is abnormal when
your personal computer is connected to
HDMI IN jack, change the resolution of your
personal computer to 480p, 720p, 1080i or
1080p.
, Note Using an OPTICAL cable
1. Connect the OPT. IN jack on the back of the
unit to OPTICAL OUT jack on the TV using an
OPTICAL cable.
Optical cable
2. Set the INPUT source to OPTICAL. Press
repeatedly FUNCTION on the remote control or
Fon the unit until the function is selected.
For selecting directely the OPTICAL function,
press OPTICAL on the remote control.

Connecting16
Connecting
2
Optional equipment
connection
HDMI connection
For enjoying sound only
You can enjoy the sound from the external device
you connect.
To the Blu-ray disc player,
DVD player, etc.
1. Connect HDMI IN jack on the back of the unit to
HDMI OUT jack on the audio device such as Blu-
ray disc player, DVD player, etc.
2. Set the INPUT source to HDMI IN. Press
repeatedly FUNCTION on the remote control or
Fon the unit until the function is selected.
For enjoying both sound and picture
You can enjoy both sound and picture from the
external device you connect.
Blu-ray disc player,
DVD player, etc.
1. Connect HDMI IN jack on the back of the unit to
HDMI OUT jack on the external device such as
Blu-ray disc player, DVD player, etc.
2. Connect HDMI OUT jack on the back of the unit
to HDMI IN jack on the TV.
3. Set the INPUT source to HDMI IN. Press
repeatedly FUNCTION on the remote control or
Fon the unit until the function is selected.
yWith the unit connected to external devices
and TV as above illustration,
TV will output picture and sound from
external devices when the unit is turned o
in HDMI IN mode.
yEven though PCM multi channel is inputted
to the unit through an HDMI cable, the unit
can only output 2 channel.
, Note

Connecting 17
Connecting
2
PORT. (Portable) IN
connection
MP3 player,
etc...
Listening to music from your
portable player
The unit can be used to play the music from many
types of portable players or external devices.
1. Connect the portable player to the
PORT. (Portable) IN connector of the unit.
2. Turn the power on by pressing 1(Power).
3. Select the PORTABLE function by pressing
FUNCTION.
4. Turn on the portable player or external device
and start playing it.
OPTICAL IN connection
Connect an optical output jack of external devices
to the OPT. IN jack.
To the digital
optical output jack
of external device
Speaker ez (easy) setup
Listens to sound from TV, DVD or Digital Device
with 2.1 or 2ch mode.
1. Connect the OPT. IN jack on the back of the unit
to optical out jack of your TV (or digital device
etc.)
2. Select the input source to OPTICAL directly by
pressing OPTICAL.
3. Listen to sound with 2.1 or 2ch speaker.
4. Press OPTICAL to exit from OPTICAL.
Function is retuned to previous one.

3 Operating
Connecting18
Connecting
2
USB playback
Connect USB memory device to the USB port on
the back of the unit.
With the unit on the wall, you can connect USB
more easily using supplied USB cable.
Removing the USB Device from the unit.
1. Choose a different function/mode or press
Ztwice in a row.
2. Remove the USB device from the unit.
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”
yA protected le by DRM(Digital rights
management) cannot be played on the unit.
Compatible USB devices
yMP3 Player : Flash type MP3 player.
yUSB Flash Drive : Devices that support USB1.1.
yThe USB function of this unit does not support
some USB devices.
USB device requirement
yDevices which require additional program
installation connected to a computer, are not
supported.
yDo not extract the USB device while in operation.
yFor a large capacity USB, it may take longer than
a few minutes to be searched.
yTo prevent data loss, back up all data.
yThis unit is not supported when the total
number of les is 1000 or more.
yThe unit’s USB Port cannot be connected to PC.
The unit can not be used as a storage device.
yThe exFAT le system is not supported on this
unit.
yDepending 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

3 Operating
Operating 19
Operating
3
Basic operations
USB operation
1. Connect the USB device to the USB port.
2. Select the USB function by pressing FUNCTION.
3. Select a file you want to play by pressing
Cor V.
To Do this
Stop Press Z.
Playback Press d/M.
Pause During playback, press d/M.
Skip to the next/
previous le
During playback, press C
or Vto go to the next le
or to return to the beginning
of the current le.
Press Ctwice briey to
step back to the previous le.
Search for a
section within a
le
Press and hold C/V
during playback and release it
at the point you want to listen
to.
Play repeatedly
or randomly
Press REPEAT on the remote
control repeatedly, the
display will be changed in the
following order, RPT 1 RPT
DIR (DIRECTORY) RPT ALL
RANDOM OFF.
Select a le
directly
Press 0to 9numerical buttons
on the remote control to go
to the desired le directly.
Resume
playback
The unit memorizes the point at
which you've changed function
or the unit had been turned o.
The resume point may be cleared when you
pull out the power cord or removing the USB
device from the unit.
, Note
Other operations
DRC (Dynamic Range Control)
Make the sound clear when the volume is turned
down (Dolby Digital only). Set to [DRC ON] by using
DRC.
AV Sync
When receiving audio signals from TV, sound and
images may not be matched. In the case, this
function can adjust the delay time.
1. Press AV SYNC.
2. Use
C/V to scroll up and down through
the delay amount, which you can set at
anything between 0 and 300 ms.
Turn off the sound temporarily
Press MUTE@to mute your unit.
You can mute your unit, for example, to answer
the telephone,“MUTE”is displayed in the display
window.
To cancel it, press MUTE@again on the remote
control or change the volume level.
Displaying file and input
source
You can display various information of the input
source by pressing INFO.
USB : MP3/WMA containing le information
OPTICAL/ARC/HDMI IN : Audio format, Audio
channel

Operating20
Operating
3
AUTO POWER On/Off
Before operating this function, make sure that
you have selected OPTICAL and turn on the AUTO
POWER.
This function automatically turns on/o the unit
when you turn on/o the external device (TV, DVD
Player, Blu-ray Disc Player, etc.) connected to this
unit by the optical cable.
When turning on the unit by this function, Optical
function is selected directly no matter what kind of
function has been selected before turning o it.
This function turns on or o each time you press
AUTO POWER.
Display Operation
AUTO POWER ON AUTO POWER function is
turned on.
AUTO POWER OFF AUTO POWER function is
turned o.
yThis function is intentionally designed to
turn o the unit after 1 minute of inactivity
in OPTICAL mode. Only if the unit has
already received the signal transmitted
through the optical source and there is no
digital audio signal going to the unit, the
unit will turn o after 1 minute of inactivity
with AUTO POWER function is turned on.
yDepending on the connected device by the
optical cable, this function may not operate.
yIf you want to use AUTO POWER, SIMPLINK
must be turned o. It takes for about 30
seconds to switch on or o SIMPLINK.
yIf SIMPLINK is set to ON, "AUTO POWER OFF"
is just scrolled, even thouth you press AUTO
POWER.
yOnce AUTO POWER is set, the unit will
start as OPTICAL mode automatically next
time, no matter what kind of function you
selected before.
yIt is not available to turn on the unit by
AUTO POWER function if you turn o the
unit directly.
yAUTO POWER function is not supported on
LG Sound Sync (Wireless) mode.
, Note
Auto power down
This unit will be o itself to save electric
consumption in the case main unit is not
connected to external device and is not used for 25
minutes.
So does this unit after six hours since Main unit
has been connected to other device using analog
input.
But the unit can turns on automatically based on
the [AUTO POWER] function you've set.
Sleep timer setting
Press SLEEP repeatedly to select the desired time
period options (in minutes):
LCD OFF(Display window o ) -> DIMMER(The
display window will be darken by half ) -> Sleep
timer value -> Display on
In display window you see “LCD OFF” and the
display window turns o .
To check the remaining time, press SLEEP.
To cancel the sleep function, press SLEEP
repeatedly until“SLEEP 10”appears, and then press
SLEEP once again while “SLEEP 10” is displayed.
You can check the remaining time before the
unit turns o . Press SLEEP the remaining time
appears in the display window.
, Note