LG RK4 Owner's Manual

OWNER’S MANUAL

HIGH POWER

SPEAKER

SYSTEM

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

MODEL

RK4

MFL70041967	www.lg.com
	Copyright © 2019 LG Electronics Inc. All Rights Reserved.
	1905_Rev01

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2 Getting Started

	Safety Information			Install in accordance with the manufacturer’s
				CAUTION: Do not block any ventilation openings.
				instructions.
				Slots and openings in the cabinet are provided
		CAUTION
				for ventilation and to ensure reliable operation of
		RISK OF ELECTRIC SHOCK
				the product and to protect it from over heating.
		DO NOT OPEN		The openings shall be never be blocked by placing
	CAUTION: TO REDUCE THE RISK OF ELECTRIC
				the product on a bed, sofa, rug or other similar
	SHOCK DO NOT REMOVE COVER (OR BACK)			surface.This product should not be placed in a built-
	NO USER-SERVICEABLE PARTS INSIDE REFER			in installation such as a bookcase or rack unless
	SERVICING TO QUALIFIED SERVICE PERSONNEL.			proper ventilation is provided or the manufacturer’s
				instruction has been adhered to.

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.

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.

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

NOTICE: For safety marking information including product identification and supply ratings, please refer to the main label on the bottom or the other surface of the product.

Getting Started	3

CAUTION concerning the Power Cord

Symbols

The Power Plug is the disconnecting device.In case of an emergency, the Power Plug must remain readily accessible.

Check the specification page of this owner’s manual to be certain of the current requirements.

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.

~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.

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4 Table of Contents

Table of Contents

1	Getting Started	3		Operating
2	SafetyInformation	16		Basic Operations
6	Unique Features	16		–  USB/SD Operations
7	Playable file Requirement	16		Using BLUETOOTH® wireless technology
7	–  Music file requirement	16		–  Listening to music stored on the Bluetooth
7	–  Compatible USB Devices / SD cards			devices
7	–  USB device / SD card requirement	18		Other Operations
8	Rear panel	18		–  Using Microphone
10	Carrying the unit	18		–  Adjusting the ECHO volume
		18		–  Setting the USER EQ
2	Connecting	18		–  LIGHTING

11Connecting the AC Adapter

12Use ofTripod

14Optional Equipment Connection

14–  LINEIN Connection

14–  LINE OUT Connection

15–  USB Connection

15 –  SD card Connection

Table of Contents	5

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4 Troubleshooting

19 Troubleshooting

19 –  General

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5 Appendix

20General specifications

21Maintenance

21	–  Handling the Unit	3
21	Trademarks and Licenses

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6 Getting Started

Unique Features

Bluetooth®

Listens to music stored on your Bluetooth device.

Carrying the unit

This unit have wheels and handle for carrying. You can easily carry the unit.

Getting Started	7

Playable file

Requirement

Music file requirement

MP3 file compatibility with this unit is limited as follows.

yy Sampling frequency : within 32 to 48 kHz yy Bit rate : within 32 to 320 kbps

yy Maximum files : 999

yy Maximum folders : 999

yy File extension : “.mp3”

yy Certain MP3 files may not be played depending on the type or format of the file.

Compatible USB Devices / SD cards

yy MP3 Player : Flash type MP3 player.

yy USB Flash Drive :

Devices that support USB2.0 or USB1.1.

yy SD card : SD, SDHC

yy The USB / SD function of this unit does not

support all USB devices and SD cards.

USB device / SD card requirement

yy Devices which require additional program

installation when you have connected it to a

computer, are not supported.

yy Do not extract the USB device / SD card while in

operation.

yy For a large capacity USB or SD card, it may take

longer than a few minute to be searched.

yy To prevent data loss, back up all data.

yy If you use a USB extension cable or USB hub, the

USB device is not recognized.

yy Using NTFS file system is not supported.

(FAT(16 / 32) and ExFAT file systems are

supported.)

yy External HDD, SDD, Card readers, Locked devices,

or hard type USB devices are not supported.

yy USB port of the unit cannot be connected to PC.

The unit cannot be used as a storage device.

yy Some USB / SD cards may not work with this unit.

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