Please read this manual carefully before operating
your set and retain it for future reference.
CM4550 (CM4550, CMS4550F, CMS4550W)
P/NO : MFL69181412_REV1.0
www.lg.com
Getting Started2
Safety Information
1
Getting Started
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.
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.
WARNING: Do not install this equipment in a
conned 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
RISK OF ELECTRIC SHOCK
DO NOT OPEN
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 sucient 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.
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 specied 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 specication 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. The
Power Plug is the disconnecting device. In case of
an emergency, the Power Plug must remain readily
accessible.
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, re or the like.
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.
CAUTION: Do not use high voltage products
around this product. (ex. Electrical swatter) This
product may malfunction due to electrical shock.
Getting Started3
1
Getting Started
Getting Started4
IMPORTANT SAFETY
INSTRUCTIONS
1
Getting Started
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 powersupply 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 Started5
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:
y Reorient or relocate the receiving antenna.
y Increase the separation between the equipment
and receiver.
y Connect the equipment into an outlet on a
circuit dierent from that to which the receiver
is connected.
y Consult the dealer or an experienced radio/T V
technician for help.
CAUTION : Any changes or modications 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
modications to this equipment may cause harmful
interference unless the modications are expressly
approved in the instruction manual. The user could
lose the authority to operate this equipment if an
unauthorized change or modication 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
specic operating instructions for satisfying RF
exposure compliance. This transmitter must not be
co-located or operating in conjunction with any
other antenna or 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 Clis, NJ 07632
TEL. : +1-800-243-0000
1
Getting Started
Table of Contents6
Table of Contents
1 Getting Started
2 Safety Information
8 Unique Features
8 Accesories
9 Playable file Requirement
9 – Music file requirement
9 – Compatible USB Devices
9 – USB device requirement
10 Remote control
12 Front Panel
14 Rear Panel
2 Connecting
15 Connecting to speakers
15 – Attaching the speakers to the unit
16 Optional Equipment Connection
16 – Antenna Connection
16 – USB Connection
17 – AUX IN Connection
17 – PORT. IN Connection
17 – Listening to the sound from your
external device
3 Operating
18 Basic Operations
18 – CD/USB Operations
18 – Auto Play
19 Other Operations
19 – Programmed Playback
19 – Deleting Programmed list
19 – Displaying file information (ID3 TAG)
20 – Searching for a folder and an MP3/
WMA file
20 – Deleting an MP3/WMA file
21 – Turn off the sound temporarily
21 – DEMO
21 – AUTO DJ playback
22 Using a BLUETOOTH® wireless
technology
22 – Listening to music stored on the
BLUETOOTH devices
24 Using the Music Flow Bluetooth App
24 – Install “Music Flow Bluetooth” App
onto Your Bluetooth Device
26 Radio Operations
26 – Listening to the radio
26 – Improving poor FM reception
26 – Presetting the Radio Stations
26 – Deleting all the saved stations
27 Sound adjustment
27 – Setting the surround mode
28 Advanced Operations
28 – Recording to USB
28 – To select recording bit rate and speed
29 – USB copying
30 Setting the Clock
30 – Setting the Clock through
“Music Flow Bluetooth” App
30 – Using your player as an alarm clock
31 – Sleep Timer Setting
31 – Dimmer
32 – Auto power down
32 – AUTO POWER On
32 – Auto function change
33 LG Sound Sync
4 Troubleshooting
34 Troubleshooting
Table of Contents7
5 Appendix
35 General specifications
36 Speaker specifications
37 Maintenance
37 – Handling the Unit
37 – Notes on Discs
37 Trademarks and Licenses
1
2
3
4
5
Getting Started8
Unique Features
BLUETOOTH®
1
Getting Started
Listens to music stored on your Bluetooth device.
Portable In
Listens to music from your portable device. (MP3,
Notebook, etc.)
AUTO DJ
Blends the end of one song into the beginning of
another for seamless playback.
USB Direct Recording
Records music to your USB device.
Music Flow Bluetooth
Music Flow Bluetooth is an app designed to let you
take control of some of LG’s latest Audio devices.
Refer to page 24-25
LG Sound Sync
Controls volume level of this unit by the remote
control of your LG TV that is compatible with LG
Sound Sync.
Accesories
Please check and identify the supplied accessories.
Remote Control (1)Batteries (2)
FM Antenna (1)
Getting Started9
Playable file
Requirement
Music file requirement
MP3/WMA le compatibility with this unit is limited
as follows.
y Sampling frequency : within 32 to 48 kHz (MP3),
within 32 to 48 kHz (WMA)
y Bit rate : within 32 to 320 kbps (MP3),
40 to 192 kbps (WMA)
y Maximum les : Data CD : 999 / USB : 2000
y Maximum folders : Data CD : 99 / USB : 200
y File extensions : “.mp3”/“.wma”
y Certain MP3/WMA les may not be played
depending on the type or format of the le.
y CD-ROM le format : ISO 9660/JOLIET
y We recommend that you use Easy-CD Creator,
which creates an ISO 9660 le system.
The DTS is not supported. In case of DTS audio
format, audio is not output.
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)
Compatible USB Devices
y MP3 Player : Flash type MP3 player.
y USB Flash Drive :
Devices that support USB2.0 or USB1.1.
y The USB function of this unit does not support
all USB devices.
USB device requirement
y Devices which require additional program
installation when you have connected it to a
computer, are not supported.
y Do not extract the USB device while in
operation.
y For a large capacity USB, it may take longer than
a few minute to be searched.
y To prevent data loss, back up all data.
y If you use a USB extension cable or USB hub, the
USB device is not recognized.
y Using NTFS le system is not supported.
(Only FAT(16/32) le system is supported.)
y This unit recognizes up to 2000 les.
y External HDD, Card readers, Locked devices, or
hard type USB devices are not supported.
y USB port of the unit cannot be connected to PC.
The unit cannot be used as a storage device.
y Some USB may not work with this unit.
1
Getting Started
Getting Started10
Remote control
1
Getting Started
• • • • • • • • • • a • • • • • • • • •
1 (Power) : Switches the unit ON or OFF.
B (Open/Close) : Opens and closes the disc tray.
PRESETFOLDER W/S :
- Searches for a folder of MP3/WMA les. When
a CD/USB containing MP3/WMA les in several
folders is being played, press PRESETFOLDER 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.
PROGRAM/MEMORY :
- Stores radio stations.
- Deletes all the saved stations.
- Creates a programmed list 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.)
Battery Installation
Remove the battery cover on the rear of the
Remote Control, and insert two (size AAA) batteries
with 4 and 5 matched correctly.
Getting Started11
• • • • • • • • • • b • • • • • • • • •
REPEAT(MENU) : Listens to your tracks/les
repeatedly or randomly.
C/V (Skip/Search) :
- Skips fast backward or forward.
- Searches for a section within a track/le.
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 21)
DELETE :
- Deletes MP3/WMA les.
- Deletes a song on the programmed list.
• • • • • • • • • • c • • • • • • • • •
0 to 9 numerical buttons : Selects numbered tracks,
les, or preset number.
INFO :
- Sees informations about your music. An MP3 le
often come with ID3 tag. The tag gives the Title,
Artist, Album or Time information.
- Sees the address of connected Bluetooth
device in Bluetooth mode.
REGION EQ : Chooses region equalizer.
• • • • • • • • • • d • • • • • • • • •
CLOCK : Sets a clock and checks a time.
ALARM : With the ALARM function you can turn
CD, USB play and Tuner reception on at a desired
time.
SET : Conrms the setting.
1
Getting Started
Getting Started12
Front Panel
1
Getting Started
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