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LG CM8440 User Manual

LG CM8440
38 pages
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www.lg.com
Printed in china
ENGLISH
Please read this manual carefully before operating
your set and retain it for future reference.
CM8440 (CM8440, CMS8440F, CMS8440W)
CM8340 (CM8340, CMS8440F)
OWNER’S MANUAL
Mini Hi-Fi
System
CM8440-FB_DUASLLC_ENG_7073.indd 1 2015-01-06  3:27:00

Table of Contents

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LG CM8440 Specifications

General IconGeneral
TypeHome audio mini system
Cassette deckNo
Product colorBlack
Disc loading typeTray
Optical disc playerYes
Number of optical discs1 discs
Speaker type2-way
Subwoofer typePassive subwoofer
RMS rated power1900 W
Number of speakers2
Number of subwoofers1
Subwoofer driver diameter (imperial)10 \
RDS featuresPLL
FM band range87.5 - 108 MHz
Supported radio bandsAM, FM
Preset stations quantity50
Display type-
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Disc types supportedCD, CD-R, CD-RW
Playback disc formatsCD audio
Audio formats supportedMP3, WMA
Volume controlRotary
Power sourceAC
Power consumption (standby)1 W
Power consumption (typical)210 W
Weight and Dimensions IconWeight and Dimensions
Package depth370.8 mm
Package width1508.7 mm
Package height518.1 mm
Package weight38011 g
Main unit weight5896.7 g
Subwoofer weight9389.3 g
Rear speaker weight8799.6 g
Main unit dimensions (WxDxH)289 x 370 x 347 mm
Subwoofer dimensions (WxDxH)332 x 279 x 454 mm

Summary

Safety Information

Electric Shock and Laser Safety

Warnings about opening the enclosure and safe use of the laser system.

Ventilation and Environmental Precautions

Guidelines for proper ventilation, avoiding moisture, and chemical exposure warnings.

Power Cord and Battery Safety

Power Cord Handling

Precautions for safe use and maintenance of the power cord to prevent hazards.

Battery Removal and Disposal

Proper procedures for removing and disposing of batteries for environmental safety.

Important Safety Instructions

General Operation and Installation Guidelines

Comprehensive list of instructions for safe operation, installation, and maintenance.

Regulatory Compliance

FCC Compliance and RF Exposure

Information on FCC rules, interference handling, and RF radiation exposure limits.

Troubleshooting and Appendix

Troubleshooting Common Issues

Guide to identify and resolve common problems encountered with the unit.

Trademarks and Licenses

Information regarding registered trademarks, licenses, and legal notices.

Technical Specifications

Technical details and specifications of the system's components and performance.

Speaker Specifications

Detailed specifications for front, surround, and subwoofer speakers.

Maintenance and Handling

Instructions on how to maintain, clean, and handle the unit for longevity.

Unique Features

Bluetooth and Portable Playback

Listen to music from Bluetooth devices and portable players.

USB Recording and App Control

Record music to USB and control the unit with the LG Bluetooth Remote App.

Accessories

Included Accessories Identification

List and identification of accessories supplied with the system.

File Playback Requirements

Music File Compatibility

Details supported sampling frequencies, bit rates, and file extensions for MP3/WMA.

USB Device Compatibility and Usage

Information on supported USB devices and essential usage guidelines.

Remote Control Operation

Remote Control Buttons and Functions

Detailed explanation of each button on the remote control and its operation.

Battery Installation for Remote

Instructions for correctly installing batteries into the remote control.

Front Panel Overview

Front Panel Diagram and Labels

Labeled diagram identifying all controls and indicators on the front panel.

Front Panel Controls

Power, Display and Basic Controls

Explanation of power, display, function, playback, bass, EQ, and sleep controls.

Input Ports and Special Functions

Information on using PORT. IN, MIC, DEMO, USER EQ, CLOCK, and ALARM functions.

Rear Panel Connections (CM8440)

CM8440 Rear Panel Layout

Identification of cooling fan, speakers, AUX, antenna, and power connections.

Rear Panel Connections (CM8340)

CM8340 Rear Panel Layout

Identification of cooling fan, speakers, AUX, antenna, and power connections.

Connecting Components

Ferrite Core Installation Guide

Step-by-step guide to affix the ferrite core for electrical interference reduction.

Speaker Connection Guide

Instructions for connecting speaker cables to the correct terminals.

Speaker Installation and Safety

Safe Placement and Handling

Advice on lifting speakers safely and recommended placement distance from the unit.

Volume and Environmental Precautions

Warnings about volume levels, limited spaces, and children's safety around speakers.

Optional Equipment Connection

Antenna and USB Connections

Instructions for connecting the FM antenna and USB devices.

Safe USB Device Removal Procedure

Procedures for safely removing a USB device from the unit to prevent data loss.

Audio Input Connections

AUX IN and PORT. IN Setup

Instructions for connecting auxiliary audio devices via AUX IN and PORT. IN.

External Device Playback

Steps to play music from portable players or external devices.

Basic Operations

CD/USB Playback and Navigation

How to play, pause, stop, and search for tracks/files on CD or USB.

Playback Modes (Repeat/Random)

Explanation of repeat and random playback modes for music files.

Auto Play Functionality

How the unit automatically plays discs or switches functions.

File Management (USB)

Deleting USB Files and Folders

Procedures for deleting individual MP3/WMA files, folders, or formatting the USB device.

Playback Modes and Features

JUKE BOX Playlist Management

How to create, play, and delete custom playlists for JUKE BOX.

AUTO DJ Playback

Seamless Track Blending

How Auto DJ blends songs for seamless playback and equalizes volume.

Bluetooth Wireless Technology

About Bluetooth and Supported Profiles

Explanation of Bluetooth technology and compatible profiles like A2DP.

Pairing and Listening via Bluetooth

Steps for pairing a Bluetooth device and playing music.

LG Bluetooth Remote App

App Overview and Installation via QR Code

Introduction to the app's benefits and instructions for installation using a QR code.

App Installation Methods

Google Play Store Installation

Steps to download and install the app from the Google Play Store.

NFC Installation Method

Method to install and activate the app using NFC on compatible phones.

Activating Bluetooth App Control

Connecting Unit via LG Bluetooth App

How to connect the unit to the app and use it for Bluetooth control.

Radio Operations

Tuning and Improving FM Reception

Methods for tuning into radio stations and improving signal reception.

Presetting and Deleting Radio Stations

How to store, recall, and erase favorite FM radio stations.

Other Operations

Muting, File Information, and DEMO

How to mute sound, display file info, and use demonstration mode.

Microphone Usage Guidelines

Guide on connecting and using a microphone for vocal accompaniment.

Sound Adjustment

Surround Sound Modes

Selection of various pre-set surround sound fields using the SOUND EFFECT button.

User Equalizer (USER EQ) Settings

How to manually adjust Bass, Middle, and Treble levels for personalized sound.

Time and Alarm Settings

Clock and Alarm Setup

Steps to set the unit's clock manually and configure the alarm function.

Sleep Timer and Display Dimmer

How to set sleep timer and adjust display brightness.

Auto Power Down Feature

Explanation of the automatic power-off function to save energy.

Advanced Operations

USB Recording Procedures

How to record various sound sources (CD, AUX, FM) to a USB device.

USB to USB Dubbing

Instructions for copying audio files from one USB device to another.

USB Recording Notes

Recording Limitations and Error Handling

Important notes on recording from Bluetooth, file storage, and potential errors.

Troubleshooting

Problem Resolution Guide

A table listing common problems and their corresponding causes and solutions.

Trademarks and Licenses

Bluetooth Licensing Information

Information regarding the use of the Bluetooth word mark and logos.

Specifications

General, Input, and Tuner Specifications

Technical details on general features, power, dimensions, inputs, and tuner range.

Speaker Specifications

Speaker Technical Details

Detailed specifications for front, surround speakers, and subwoofer.

Maintenance and Handling

Disc Care and Unit Cleaning

Guidelines for handling, storing, cleaning discs, and cleaning the unit's exterior.

Shipping and Professional Maintenance

Advice on packing for shipping and professional maintenance for internal parts.

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