LG CM4640, CM4740, CM4740-AB User Guide

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OWNER’S MANUAL

Mini Hi-Fi

System

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

CM4740 (CM4740, CMS4740F, CMS4740W)

CM4640 (CM4640, CMS4740F)

CM4540 (CM4540, CMS4540F, CMS4540W)

CM4440 (CM4440, CMS4540F)

CM4340 (CM4340, CMS4340F)

www.lg.com

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1 GettingStarted

2 Getting Started

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 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 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: This product employs a Laser System. To ensure proper use of this product, please read this owner’s manual carefully and retain it for future reference. Shall the unit require maintenance, contact an authorized service center.

Use of controls, adjustments or the performance of procedures other than those specified herein may result in hazardous radiation exposure.

To prevent direct exposure to laser beam, do not try to open the enclosure.

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 specification 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 fire. 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.

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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, fire or the like.

CAUTION: The apparatus shall not be exposed to water (dripping or splashing) and no objects filled with liquids, such as vases, shall be placed on the apparatus.

Getting Started

1 GettingStarted

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4 Table of Contents

Table of Contents			3	Operating
		17		Basic Operations
		17		– CD/USB Operations
1	Getting Started	17		– Auto Play
		18		Other Operations
2	Safety Information	18		– Programmed Playback
		18		– Deleting Programmed list
6	Unique Features
		18		– Displaying file information
6	Accesories
		18		– Searching for a folder
7	Playable file Requirement
		18		– Deleting an MP3/WMA file
7	– Music file requirement
		19		– Turn off the sound temporarily
7	– Compatible USB Devices
		19		– DEMO
7	– USB device requirement
		19		– AUTO DJ playback
8	Remote Control
		20		Radio Operations
9	Front Panel
		20		– Listening to the radio
11 Rear Panel (CM4740, CM4540)
		20		– Presetting the Radio Stations
12	Rear Panel (CM4640)
		20		– Deleting all the saved stations
13	Rear Panel (CM4440)
		20		– Improving poor FM reception

2	Connecting	21		Sound adjustment
		21		– Setting the surround mode
14	Connecting to speakers	22		Setting the Clock
		22		– Setting the Clock through “LG
14	– Attaching the speakers to the unit
				Bluetooth Remote” App
14 – Attaching the subwoofer to the unit.
		22		– Using your player as an alarm clock
	(CM4740, CM4540)
		22		– Sleep Timer Setting
15	Antenna Connection
		22		– Dimmer
15	Optional Equipment Connection
		22		Auto power down
15	– USB Connection
		23		Advanced Operations
16 – AUX IN Connection
		23		– Listening to the sound from your
16	– PORT. IN Connection
				external device

		23		– Recording to USB
		23		– To select recording bit rate and speed
		23		– Dubbing USB to USB
		24		Using a Bluetooth wireless technology
		25		– Listening to music stored on the
				Bluetooth devices
		26		– Using Bluetooth App

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Table of Contents 5

4	Troubleshooting
28	Troubleshooting
5	Appendix	1
5	Appendix

29	Specifications
30	Speaker specifications
31	Maintenance	2
31	– Handling the Unit	2
31	– Notes on Discs
31	Trademarks and Licenses
		3

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1 GettingStarted

6 Getting Started

Unique Features

USB Direct Recording

Records music to your USB device.

AUTO DJ

Blends the end of one song into the beginning of another for seamless playback.

Accesories

Please check and identify the supplied accessories.

Remote Control (1)

Batteries (2)

Bluetooth
Listens to music stored on your Bluetooth device.
LG Bluetooth Remote	FM Antenna (1)	AM Antenna (1)
	FM Antenna (1)	AM Antenna (1)
You can control this unit with your Android device
via Bluetooth. This unit and your device must be
paired for Bluetooth. Visit “Google Android Market
(Google Play Store)” or use the QR code shown
below to search for “LG Bluetooth Remote” app. For
detailed information, refer to page 26-27.

(Android OS)

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Getting Started	7

Playable file

Requirement

Music file requirement

MP3/WMA file compatibility with this unit is limited as follows.

yy Sampling frequency : within 32 to 48 kHz (MP3), within 32 to 48 kHz (WMA)

yy Bit rate : within 32 to 320 kbps (MP3), 40 to 192 kbps (WMA)

yy Maximum files : Under 999

yy File extensions : “.mp3”/“.wma”

yy CD-ROM file format : ISO 9660/JOLIET

yy We recommend that you use Easy-CD Creator, which creates an ISO 9660 file system.

yy You have to set the disc format option to [Mastered] in order to make the discs compatible with the LG players when formatting rewritable discs. When setting the option to Live File System, you cannot use it on LG players. (Mastered/Live File System : Disc format system

for Windows Vista)

The DTS is not supported. In case of DTS audio format, audio is not output.

Compatible USB Devices

yy MP3 Player : Flash type MP3 player.

yy USB Flash Drive :

Devices that support USB2.0 or USB1.1.

yy The USB function of this unit does not support all USB devices.

USB device 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 while in operation.

yy For a large capacity USB, 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. (Only FAT(16/32) file system is supported.)

yy This unit is not supported when the total number of files is 1,000 or more.

yy External HDD, 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 may not work with this unit.

1 GettingStarted

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1 GettingStarted

8 Getting Started

Remote Control

Battery Installation

Remove the battery cover on the rear of the Remote Control, and insert two (size AAA) batteries with 4and 5matched correctly.

• • • • • • A• • • •

1(Power) : Switches the unit ON or OFF.

B(Open/Close) : Opens and closes the disc tray.

PRESET.FOLDER W/S:

-- Searches for a folder of MP3/ WMA files. When a CD/USB containing MP3/WMA files in several folders is being played, press PRESET.FOLDER W/S to select the folder you want to play.

-- Chooses a preset number for a radio station.

FUNCTION : Selects the function and input source.

MUTE@: Mutes the sound. VOL +/- : Adjusts speaker volume.

• • • • • • B• • • •

PROGRAM/MEMORY :

-- Stores radio stations.

-- Creates a playlist you want to listen to.

USB REC : USB direct recording.

SLEEP : Sets the system to turn off automatically at a specified time. (Dimmer : The display window will be darkened by half.)

REPEAT(MENU) : Listens to your tracks/files repeatedly or randomly.

C/V(Skip/Search) :

-- Skips Fast backward or Forward. -- Searches for a section within a

track/file.

TUNING-/+ : Selects the radio station.

ZENTER :

-- Stops playback or recording. -- Cancels DELETE function.

d/M(Play/Pause) :

-- Starts or pauses playback. -- Selects STEREO/MONO.

SOUND EFFECT : Chooses sound impressions.

AUTO DJ : Selects the AUTO DJ mode. (For more information refer to page 19)

DELETE : Deletes MP3/WMA files.

• • • • • • C• • •

•

0 to 9 numerical buttons : Selects numbered tracks/files, or preset number.

INFO : Sees informations about your music. An MP3 file often come with ID3 tag. The tag gives the Title, Artist, Album or Time information.

REGION EQ : Chooses Local Specialization equalizer.

• • • • • • D• • •

•

CLOCK : Sets a clock and checks a time.

ALARM : Uses your player as an alram clock.

SET : Confirms the setting.

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Front Panel

Getting Started

1 GettingStarted

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1 GettingStarted

10 Getting Started

	A Display window	J FUNCTION
	B USB 1/ USB 2	Selects the function or input source.

	Plays the audio files by connecting the USB	K T
	device.	ST./MO.
	USB REC.	- Starts or pauses playback.
		- Selects Stereo/Mono.
	Records to USB.
		L LATIN EQ
	C 1/!(Power)
		Chooses Local Specialization equalizer.
	Switches the unit ON or OFF.
		M U(Skip/Search)
	D I(Stop)
		- Searches forward.
	Stops playback or recording.
		- Skips to the next track/file.
	E AUTO DJ
		N BASS BLAST
	Selects the AUTO DJ mode.
		Selects the BASS BLAST or BYPASS sound
	(For more informaion refer to page 19)
		directly.
	F Y(Skip/Search)
		O Master Volume
	- Searches backward.
		Adjusts volume of speaker.
	- Skips to the previous track/file.
		P R(Open/Close)
	G DEMO
	Demonstrates each of functions.	Opens or closes the disc tray.

	H PORT. IN
	I Disc tray

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+ 22 hidden pages