LG LAC7 Owner’s Manual

OWNER’S MANUAL

Wireless

Sound Bar

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

MODEL

LAC7 (LAC7, SPN5B-W)

www.lg.com

2004_Rev02

Copyright © 2020 LG Electronics Inc. All Rights Reserved.

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2 Getting Started

	Safety Information			product identification and supply ratings, please refer
				NOTICE: For safety marking information including
				to the main label on the bottom or the other surface
				of the product.
		CAUTION
		RISK OF ELECTRIC SHOCK		CAUTION concerning the Power Cord
		DO NOT OPEN
				The Power Plug is the disconnecting device.In case
	CAUTION: TO REDUCE THE RISK OF ELECTRIC
				of an emergency, the Power Plug must remain readily
	SHOCK DO NOT REMOVE COVER (OR BACK)
				accessible.
	NO USER-SERVICEABLE PARTS INSIDE REFER
				Check the specification page of this owner’s manual
	SERVICING TO QUALIFIED SERVICE PERSONNEL.
				to be certain of the current requirements.

This lightning flash 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 sufficient 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 confined 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 filled 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 builtin installation such as a bookcase or rack unless

proper ventilation is provided or the manufacturer’s instruction has been adhered to.

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 fire. 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.

CAUTION: Be careful to make sure children do not put their hands or any objects into the *speaker duct.

* speaker duct: A hole for plentiful bass sound on speaker cabinet. (enclosure)

CAUTION: No naked flame sources, such as lighted candles, should be placed on the apparatus.

		Getting Started 3
	CAUTION: Only use the AC adapter supplied with	OPEN SOURCE SOFTWARE NOTICE
	this device. Do not use a power supply from another	INFORMATION
	device or another manufacturer. Using any other
		To obtain the source code under GPL, LGPL, MPL, and
	power cable or power supply may cause damage to
	the device and void your warranty.	other open source licenses, that is contained in this
		product, please visit http://opensource.lge.com.

Symbols

~Refers to alternating current (AC).

0	Refers to direct current (DC).
	Refers to classII equipment.
1	Refers to stand-by.
!	Refers to “ON” (power).
	Refers to dangerous voltage.

In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download.

LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing such distribution (such as the cost of media, shipping, and handling) upon email request to [e-mail].

This offer is valid for a period of three years after our last shipment of this product.This offer is valid to anyone in receipt of this information.

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4 Table of Contents

Table of Contents

1	Getting Started		2	Connecting
2	Safety Information		17	Organizing cables (Optional)
6	Introduction		17	Connecting the AC Adapter
7	Front panel		18	Wireless subwoofer and rear speaker (Sold
9	Rear panel			Separately) connection
10	Remote control		18	–  Wireless subwoofer connection
13	Speakers position		19	–  Rear speakers connection (Sold
14 Installing the sound bar				Separately)
15	Mounting the main unit on a wall		20	–  Surround sound
			23	–  How to Affix the Ferrite Core
			24	Connecting to your TV
			24	–  Using an OPTICAL cable
			24	–  LG Sound Sync
			26	–  Using an HDMI cable
			26	–  ARC (Audio Return Channel) function
			26	–  What is SIMPLINK?
			27	–  Additional information for HDMI
			28	Optional equipment connection
			28	–  DOLBY ATMOS®
			28	–  DTS:X®
			29	–  HDMI IN connection
			29	–  OPTICAL IN connection
			30	–  USB connection
			30	–  Compatible USB devices
			30	–  USB device requirement
			31	–  Playable file

Table of Contents	5

3 Operating	4 Troubleshooting

32Basic operations

32–  USB operation

33Other operations

33–  Using your TV remote control

34–  AUTO POWER On/Off

35–  Auto function change

35–  Quick Start

36Using a BLUETOOTH Wireless Technology

36–  About Bluetooth

36–  Bluetooth profiles

36–  Listening to Music of a Bluetooth Device

38–  Controls connected Bluetooth device

38–  Bluetooth connection lock (BT LOCK)

38Using BLUETOOTH App

38–  Install “Music Flow Bluetooth” App onto Your BLUETOOTH Device

39–  Activate BLUETOOTH with “Music Flow Bluetooth” App

40Troubleshooting

40–  General

41–  NOTES to use wireless

42–  NOTES to release Demo mode

5 Appendix

43Trademarks and licenses

44Specifications

46 Handling the unit

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2

3

4

5

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6 Getting Started

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

Front panel

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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
		ARC	OPT/HDMI ARC
A		LG Sound Sync (Wired)
		Bluetooth	BT
		LG Sound Sync (Wireless)	LG TV
		HDMI IN	HDMI
		USB	USB

o/p(Volume)

-- Adjusts volume level.

B Remote sensor

Display Window

C -- 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.

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8 Getting Started

Precautions in using the touch buttons

yy Use the touch buttons with clean and dry hands.

-- In a humid environment, wipe out any moisture on the touch buttons before using.

. yy Do 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. yy Touch the button that you want to work in order to operate the function correctly.

yy Be careful not to have any conductive material such as metallic object on the touch buttons.It can cause malfunctions.

,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 Started	9

Rear panel

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DC IN

A-- Connect to the AC adapter.

OPTICAL IN

B-- Connect the OPTICALIN jack on the back of the unit to OPTICAL OUT jack on theTV. USB Port

C-- Connect USB memory device to the USB port on the back of the unit.

HDMI IN

D-- Connect HDMIIN jack on the back of the unit to HDMI OUT jack on the external device. You can enjoy the sound and picture from HDMI connection on an external device.

E	HDMI OUT (TV ARC)
	-- Connect the HDMI OUT (TV ARC) jack on the back of the unit to ARC jack on theTV.

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10 Getting Started

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.

Risk of fire or explosion if the battery is replaced by an incorrect type.

1 (Standby)

A-- Switches the unit ON or OFF.

VOL (Volume) o/p

B-- Adjusts speaker volume.

C/V(Skip/Search)

C-- Press Cor Vto go to next or previous file.

-- Press and hold Cor Vduring playback and release it at the point you want.

N(Play/Pause)

-- Starts playback. / Pauses playback.

Dyy BT (Bluetooth) connection Lock: It allows you to connect a Bluetooth device only on Bluetooth and LGTV functions. (Page 38)

To turn on or off the Bluetooth connection lock, press and hold Nfor about 3 seconds and press it again in BT (Bluetooth) function.

Getting Started 11

SOUND EFFECT
--	Selects a sound effect mode by using SOUND EFFECT.
	On Display	Description
	AI SOUND PRO	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 premium sound with MERIDIAN technology.
	MOVIE	You can enjoy more immersive and cinematic surround sound.
E	MUSIC	You can enjoy more good sound for music source.
, When this unit detects DOLBY ATMOS or DTS:X stream, you cannot change sound effect to any
	other.In this case, even though you press SOUND EFFECT, this unit does not respond. And you can
	see only “NOT SUPPORTED” on the display window.
yy	TV remote: It allows you to control the volume of this unit by yourTV remote control even by other
	company’s product. (Page 33)
	To turn on or off theTV Remote function, press and hold SOUND EFFECT for about 3 seconds and
	press it again.

, SupportedTV brands

	LG	Panasonic	Philips	Samsung	Sharp	Sony	Toshiba	Vizio
	(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.

,See the page 13 for more information of speakers.

		Display	Description		Range
		WF	Sub Woofer		-15 ~ 6
F
		C	Center		-6 ~ 6
		OVC	Overhead Volume Control		-6 ~ 6
		R	Rear		-6 ~ 6
		TRE	Treble		-5 ~ 5
		BAS	Bass		-5 ~ 5
	yy Surround sound: It allows you to enjoy surround sound with rear speakers. (Page 20)
	To turn on or off the surround sound, press and hold			for about 3 seconds and press it again.

F (Function)

G-- Select the function and input source by pressing F repeatedly.

[(Mute)

H-- Press [to mute your unit.To cancel it, press [again.

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	12	Getting Started
		J(Information)
		-- You can display various information of the input source by pressing J.
	1	-- OPT (Optical)/ARC/HDMI (HDMIIN) : Audio format
		-- BT (Bluetooth) : Connected Bluetooth device name
	I	-- USB : File information contained on a USB.
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		yy Auto Power ON/OFF: It allows the unit to turn on and off automatically by input signals : Optical,
	<![if ! IE]> <![endif]>Started	LGTV or Bluetooth (Page 34)
		To turn on or off AUTO POWER function, press and hold Jfor about 3 seconds and press it again.
		REPEAT

J-- Press REPEAT to select desired repeat or random mode.

FOLDER W/S

K-- Searches a folder on USB device.

Getting Started 13

Speakers position

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CC

D

B

A

B

E E

A Center speaker

B Front speakers

C Top speakers

D Subwoofer

E Rear speakers

,You can enjoy surround sound by using Wireless Rear Speaker kit. Wireless Rear Speakers Kit sold separately (SPK8-S).

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14 Getting Started

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 theTV and connect it to the device you want. (Pages 24 - 30)

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 reflections.

For the best surround sound, place the speakers as shown below.

,,Note

yy If the sound bar covers the remote sensor of theTV, please separate distance between the sound bar andTV by 10 ~ 15 cm (3.9 ~5.9 inch) or more.

yy The illustration above may differ from actual units.

yy You can enjoy surround sound by using Wireless Rear Speaker kit. Wireless Rear Speakers Kit sold separately (SPK8-S).

>>Caution

yy 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.

yy Be careful not to make scratches on the surface of the Unit /Subwoofer when installing or moving them.

Getting Started 15

Mounting the main unit on a wall

You can mount the main unit on a wall.

>>Caution

Because it is difficult to make a connection after installing this unit, you should connect the cables before installation.

Preparation materials

Unit

Wall bracket install guide Wall bracket

Screws

(Not supplied)

Screws (A)

Wall plug

1.Match theTV’s BOTTOM EDGE of Wall bracket install guide with the bottom ofTV and attach to the position.

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.

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

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,,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.