www.lg.com
Please read this manual carefully before operating
your set and retain it for future reference.
OM7550
OWNER’S MANUAL
MINI HI-FI
AUDIO
ENGLISH
Printed in China
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1 Getting Started
Getting Started2
Getting Started
1
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 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.
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.
CAUTION: The apparatus should not be exposed to
water (dripping or splashing) and no objects lled
with liquids, such as vases, should be placed on the
apparatus.
WARNING: Do not install this equipment in a
conned 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: 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: 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 should not be placed in a built-
in installation such as a bookcase or rack unless
proper ventilation is provided or the manufacturer’s
instruction has been adhered to.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 2 2015-08-31 4:05:32
Getting Started 3
Getting Started
1
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.
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Getting Started4
Getting Started
1
IMPORTANT SAFETY
INSTRUCTIONS
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 power-
supply 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.
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Getting Started 5
Getting Started
1
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/TV
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
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Table of Contents6
Table of Contents
1 Getting Started
2 Safety Information
8 Unique Features
8 Accessories
9 Playable file Requirement
9 – Music file requirement
9 – Compatible USB Devices
9 – USB device requirement
10 Remote control
12 Top panel
14 Front panel
15 Rear panel
2 Connecting
16 Use of Tripod
18 Connecting the Power cord
18 Optional Equipment Connection
18 – AUX IN Connection
19 – AUX OUT Connection
19 – PORT. IN Connection
20 – USB Connection
20 – Antenna Connection
3 Operating
21 Basic Operations
21 – CD/USB Operations
21 – Auto Play
22 – Selecting a folder and
an MP3/WMA file
23 – Deleting an MP3/WMA file
24 Playback Effect
24 – DJ EFFECT
24 – SCRATCH Effect
24 – DJ PRO
25 – AUTO DJ
25 Using BLUETOOTH® wireless technology
26 – Listening to music stored on the
BLUETOOTH devices
28 Using the Music Flow Bluetooth App
28 – Install “Music Flow Bluetooth” App
onto Your Bluetooth Device
29 – Activate Bluetooth with “Music Flow
Bluetooth” App
30 Radio Operations
30 – Listening to the radio
30 – Improving poor FM reception
30 – Presetting the Radio Stations
30 – Deleting all the saved stations
31 Sound adjustment
31 – Setting the sound mode
31 – Setting the USER EQ
32 Advanced Operations
32 – Recording to USB
34 – Programmed Playback
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Table of Contents 7
1
2
3
4
5
35 Other Operations
35 – Turn off the sound temporarily
35 – CHILDSAFE Mode
35 – Displaying file information
(ID3 TAG)
35 – DEMO
35 – Using Microphone
35 – LIGHTING
36 Setting the Clock
36 – Setting the Clock through “Music
Flow Bluetooth” App
36 – Using your player as an alarm clock
37 – Sleep Timer Setting
37 – Dimmer
37 Auto power down
38 – AUTO POWER On
38 – Auto function change
39 LG Sound Sync
4 Troubleshooting
40 Troubleshooting
5 Appendix
41 Maintenance
41 – Notes on Discs
41 – Handling the Unit
42 General specifications
43 Trademarks and Licenses
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Getting Started8
Getting Started
1
Unique Features
Bluetooth®
Listens to music stored on your Bluetooth device.
Portable In
Listens to music from your portable device. (MP3,
Notebook, etc.)
Playback effects
Listens to music with various sound and playback
eects.
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 28.
LG Sound Sync
Controls volume level of this unit by the remote
control of your LG TV that is compatible with LG
Sound Sync.
Accessories
Please check and identify the supplied accessories.
FM Antenna (1) Remote Control (1)
Power cord (1) Batteries (2)
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Getting Started 9
Getting Started
1
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.
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Getting Started10
Getting Started
1
Remote control
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.
• • • • • • • • • •
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 les. When
a CD/USB containing MP3/WMA les 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.
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.)
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Getting Started 11
Getting Started
1
• • • • • • • • • •
b
• • • • • • • • •
REPEAT (MENU) : Listens to your tracks/les
repeatedly or randomly.
TUNING-/+ : Selects the radio stations.
C
/
V
(Skip/Search) :
-
Skips Fast backward or Forward.
-
Searches for a section within a track/le.
Z
ENTER :
-
Stops playback or recording.
-
Cancels DELETE function.
d
/
M
(Play/Pause) :
-
Starts or pauses playback.
SOUND EFFECT : Chooses sound impressions.
AUTO DJ : Selects the AUTO DJ mode. (For more
information refer to page 25)
DELETE :
-
Deletes MP3/WMA les. (USB only).
-
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.
DJ EFFECT : Selects DJ EFFECT mode. (Refer to
page 24)
DJ LEVEL +/- : Adjusts the level of DJ EFFECT
sound.
*
: This button is not available.
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Getting Started12
Getting Started
1
Top panel
*1
*2
*3
a
1
/
!
POWER ON/OFF
USB Port1,2 :
You can play or record sound
les by connecting the USB device.
USB REC / DEMO
- Records to USB.
- Shows Demo mode
*1 - Display window
b LIGHTING : Turns on/off the lighting effects.
FUNCTION : Selects the function and input
source.
SCRATCH / CONTROL
Turn clockwise or counterclockwise to
make Scratch sound. / Sets Delay value in
X-BOOM PLUS mode. / Adjust DJ EFFECT
level. / Adjusts BASS, MID(MIDDLE) or
TRE(TREBLE) sound level when setting
USER EQ.
X-BOOM PLUS
Press to select X-BOOM PLUS mode.
DJ EFFECT
Selects DJ EFFECT mode. (For more
information refer to page 24).
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 12 2015-08-31 4:05:35
Getting Started 13
Getting Started
1
c
T
- Starts or pauses playback.
AUTO DJ
Selects the AUTO DJ mode. (For more
informaion refer to page 25).
BASS BLAST : Selects BASS BLAST or
STANDARD effect directly.
I
: Stops playback or cancels DELETE
function.
*2 - MASTER VOLUME : Adjusts speaker volume.
d
Y/U
-Skips Fast backward or Forward.
-Searches for a section within a track/
file.
LATIN EQ
Chooses locally special equalizer.
USER EQ
Controls sound register.
*3 - DJ Pro. : Press a desired sound pad.
e Bluetooth : Turns to BLUETOOTH function.
FOLDER
Moves to folder and file in selection
mode.
SEARCH
Searches a folder and a file on CD/USB
function.
ENTER
Selects a folder when searching a file.
DELETE
-Deletes a song on the programmed list.
-Deletes MP3/WMA files. (USB only).
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Getting Started14
Getting Started
1
Front panel
B
a
Disc tray
b
MIC 1
c
PORT. IN
d
Remote sensor
e
MIC 2
f
MIC VOL.
g
B
: Opens and closes the disc tray.
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Getting Started 15
Getting Started
1
Rear panel
a
ANTENNA (FM)
b
AUX IN (L/R)
AUX OUT (L/R)
c
Power cord
y
Connect the power cord to wall outlet
directly if possible. Or when you use an
extension cable, it is highly recommended
to use an extension cable of 110 V / 15 A
or 230 V / 15 A, otherwise the unit may not
operate properly because of the lack of
power supply.
y
Do not overload the extension cord with
excessive electrical load.
>
Caution
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2 Connecting
Connecting16
Connecting
2
Use of Tripod
You can mount the unit on a tripod.
The tripod is an optional purchase.
y
Extend the tripod legs as much as possible
and tighten up the screw securely.
y
Before connecting with the unit, you must
set up the tripod completely to prevent
shaking.
>
Caution
1. Unfold the tripod on a flat surface. And then fix
the tripod.
Tighten up the part below as shown.
2. Lift the speaker and connect the tripod to fixing
part on the bottom of the speaker.
B
When connecting the speaker and the tripod,
You should work together with more than two
people.
>
Caution
3. Tighten up the Hand screw on the bottom of
the unit.
B
Tighten up the Hand screw on the bottom of
the unit while the other is holding a speaker
and tripod.
>
Caution
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 16 2015-08-31 4:05:36
Connecting 17
Connecting
2
y
If you use a tripod, use the tripod only for
speaker.
y
Before buying a tripod, check the
specications for maximum bearing load
of the center column.
(Unit’s net weight : about 22.7 kg (50 lb))
B
(B)
(A)
35 mm
(1.4 “)
y
Use tripod as below :
(A) From tripod’s center to tripod’s leg :
above 600 mm (23.62 “)
(B) From top of tripod to bottom of tripod
: below 900 mm (35.43 “)
(C) Tripod net weight : over 3.9 kg (8.6 lb)
y
Use a tripod as low as possible for safety
use.
y
You should pull the center column to the
maximum only in case of need.
y
Mount only one unit on each tripod.
y
Do not try to extent the tripod legs
outside over its allowed range.
y
Make sure the tripod is correctly
assembled and all its components are
tightly connected.
y
Do not try to assemble the tripod if parts
are missing or defective.
y
After installation, check whether the unit is
set up rmly on the tripod or not.
y
Do not place the unit on an unstable
position where it might accidentally fall
over.
y
Add weight such as sand bags around the
tripod legs to prevent them from falling
over.
,
Note
y
You should limit people around the
unit while using this unit with tripod.
Otherwise it may result in malfunction
and causing personal injury or property
damage.
y
Standing on the stool to reach unit control
panel is risky and might lead to injuries.
y
Do not put or attach other objects on the
tripod.
y
Do not shake or push the unit when the
tripod is installed.
y
Refrain from moving around the tripod
after unit is installed.
y
Remove the units from all connected
cables of the tripods before moving the
tripods or adjusting their height.
y
When transporting or moving the unit,
always use two or more people.
y
When you use the tripod, use an extension
cord. always be careful the movement of
cable.
y
It is prohibited to use this unit outside.
(Indoor use only)
y
Do not expose the unit to excessive
dust or vibrations, or extreme cold or
heat (such as in direct sunlight, near a
heater) to prevent the possibility of panel
disguration or damage to the internal
components.
y
When using the external input cable (Mic,
etc.) after installing the unit on the tripod,
external input cable can cause the unit to
fall down.
y
Watch out the people can trip over the
input cable (Mic, etc.) connected the unit.
y
Always be careful of the unit being
tripped.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 17 2015-08-31 4:05:36
Connecting18
Connecting
2
Connecting the Power
cord
1. Connect the power cord to the unit.
2. Plug the power cord into an outlet.
Optional Equipment
Connection
AUX IN Connection
Connect an output of auxiliary device (Camcorder,
TV, Player, etc) to the AUX IN (L/R) connector.
If your device has only one output for audio
(mono), connect it to the left audio jack on the unit.
Red
White
Audio cable
DVD, Blu-ray player etc.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 18 2015-08-31 4:05:37
Connecting 19
Connecting
2
AUX OUT Connection
Connect an input of auxiliary device to the AUX
OUT (L/R) connector.
If your device has only one input for audio(mono),
connect it to the left audio jack on the unit.
Auxiliary device
Audio cable
X-BOOM PLUS
You can connect two units to play music together.
1. Connect AUX OUT connector on a unit to the
AUX IN connector on the other unit using
Audio cable.
2. Press X-BOOM PLUS on the unit connected
through AUX OUT.
X-BOOM PLUS is displayed.
3. Rotate SCRATCH / CONTROL clockwise or
counterclockwise to adjust Delay setting.
4. Press X-BOOM PLUS to save the Delay setting.
y
This function is available on CD, USB 1, USB
2, BT or PORTABLE Function.
y
The initial Delay is 0 ms and the Delay
becomes to 30 ms when you press X-BOOM
PLUS. The connected device’s Delay may
dier. If Audio Sync is not matched, adjust
Delay of X-BOOM PLUS to synchronize
sound.
y
It is available to adjust the Delay from 0
ms to 100 ms. Synchronizing tempo is not
available depending on devices.
y
Delay value is saved when the unit turns o.
,
Note
PORT. IN Connection
Connect an output (earphone or line out) of
portable device (MP3 or PMP etc) to the
PORT. IN connector.
B
Portable cable
MP3 player etc.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 19 2015-08-31 4:05:37
3 Operating
Connecting20
Connecting
2
Listening to music from your
portable player or external device
The unit can be used to play the music from many
types of portable player or external device.
1. Connect the portable player to the PORT. IN
connector of the unit.
Or
Connect the external device to the AUX IN
connector of the unit.
2. Turn the power on by pressing
1
/
!
1
/
!
POWER ON/OFF.
3. Press FUNCTION to select PORTABLE or AUX
Function.
4. Turn on the portable player or external device
and start it playing.
USB Connection
Connect a USB device (or MP3 player, etc.) to the
USB ports on the unit.
USB device
Removing the USB device from the unit :
1. Choose a different function/mode or
press
Z
ENTER on the remote control
or
I
on the unit twice in a row.
2. Remove the USB device from the unit.
,
Note
Antenna Connection
Connect the supplied FM antenna for listening to
the radio.
Connect the FM wire antenna to the FM antenna
connector.
FM antenna
Be sure to fully extend the FM wire antenna.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 20 2015-08-31 4:05:38
3 Operating
Operating 21
Operating
3
Basic Operations
CD/USB Operations
1. Insert the disc by pressing
B
on the remote
control or
B
on the unit
Or connect the USB device to the USB port.
2. Select CD or USB function by pressing
FUNCTION.
To Do this
Stop
Press
Z
ENTER on the remote
control or
I
on the unit.
Playback
Press
d
/
M
on the remote control
or
T
on the unit.
Pause
Press
d
/
M
on the remote control
or
T
on the unit during playback.
Searching
for a section
within a track/
le
Press
C
/
V
on the remote
control or
Y
/
U
on the unit
during playback and release it at
the point you want to listen to.
Selecting
a track/le
directly
Press 0 to 9 numerical buttons on
the remote control to go to the
desired le or track directly.
Skipping to
the next/
previous
track/le
-
In stop status,
Press
C/V
on the remote
control or
Y/U
on the unit to
go to the next/previous track/le.
-
During Playback,
(1) By using
C/V
buttons :
Press
V
on the remote control or
U
on the unit to go to the next
track/le.
Playing less than 2 seconds, press
C
on the remote control or
Y
on the unit to go to the
previous track/le.
Playing after 3 seconds, press
C
on the remote control or
Y
on
the unit to go to the beginning of
the track/le.
(2) By using SEARCH :
Rotate SEARCH on the unit and
press
d/M
to play the track/ le.
Playing
repeatedly or
randomly
Press REPEAT(MENU) on the
remote control repeatedly. Refer
to the note for details about the
display change.
y
The display changes in the following order.
USB MP3/WMA CD AUDIO CD
RPT 1
RPT*DIR
RPT ALL
RANDOM
OFF
RPT 1
RPT DIR
RPT ALL
RANDOM
OFF
RPT 1
-
RPT ALL
RANDOM
OFF
*DIR : Directory
y
When you play the programmed list, only
RPT 1 and RPT ALL are available.
y
Even after restarting the unit or switching
one function to another, you can listen to
music from the point where it’s last been
played.
y
If you leave the disc tray open for 5 minutes,
it will close automatically.
,
Note
Auto Play
-
AUDIO/MP3/WMA CD is played automatically
after Disc tray is open and then closed.
-
Automatically switches to the CD function if Disc
tray is open and then closed when there is no
disc in Disc tray.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 21 2015-08-31 4:05:38
Operating22
Operating
3
Selecting a folder and
an MP3/WMA file
On the unit
1. Press FOLDER and rotate SEARCH until a
desired folder appears.
2. Press ENTER and rotate SEARCH until a desired
file appears. Press
T
to play it.
On the remote control
1. Press PRESET.FOLDER
W
/
S
on the remote
control repeatedly until a desired folder appears.
2. Press
d
/
M
to play it. The first file of folder will
play.
y
CD / USB Folders/Files are recognized as
below.
*
y
If there is no le in a folder, the folder will
not appear.
y
Folders will be presented as the following
order;
ROOT
FOLDER 1 FOLDER 3 FOLDER
7 FOLDER 8 FOLDER 5 FOLDER 6
y
File will be played from
$
le No.1 to
$
le
No.14 one by one.
y
Files and folders will be presented in order
recorded and may be presented dierently
according to the record circumstances.
y
*ROOT : The rst screen you can see when a
computer recognize the USB is “ROOT”.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 22 2015-08-31 4:05:38
Operating 23
Operating
3
Deleting an MP3/WMA file
You can delete file, folder or format by pressing
DELETE. This function is supported only in stop
status. (USB only)
1. - Select the file you want to delete and press
DELETE.
- Select the folder you want to delete by
pressing FOLDER and rotating SEARCH on the
unit and press DELETE.
Or select the folder you want to delete by
pressing PRESET.FOLDER
W
/
S
on the remote
control and press DELETE.
- Press and hold DELETE to format the USB
device.
Or
Press DELETE repeatedly during selecting the
MP3/WMA file.
The display changes in the following order.
- DEL FILE : Deletes file
- DEL DIR : Deletes folder
- FORMAT : Formats USB
2. To delete file/folder or format, press
d
/
M
on the
remote control or press
T
on the unit.
If you want to exit the current mode, press
Z
ENTER on the remote control or press
I
on
the unit.
y
Do not extract the USB device during
operation. (play, delete, etc.)
y
Regular back up is recommended to
prevent data loss.
y
The delete function may not be supported
according to the USB status. (lock, etc.)
>
Caution
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 23 2015-08-31 4:05:38
Operating24
Operating
3
Playback Effect
The unit supports various sound and playback
eects : DJ EFFECT, SCRATCH, DJ PRO, AUTO DJ.
DJ EFFECT
It allows you to enjoy DJ EFFECT such as Flanger/
Phaser/Chorus/Delay sound eect.
1. Press DJ EFFECT to select a desired DJ EFFECT
(FLANGER, PHASER, CHORUS, DELAY, OFF).
2. Turn SCRATCH / CONTROL clockwise or
counterclockwise to adjust the DJ EFFECT level
between 0 to 15.
y
The DJ EFFECT mode is displayed for 3
seconds when a DJ EFFECT Key is inputted.
y
The gage starts at the beginning with an
initial 7 level.
y
The current gage level is displayed when
adjusting gage.
y
If the function changed or the unit is turned
o and on, DJ EFFECT mode with DJ EFFECT
is turned o.
,
Note
SCRATCH Effect
You can output and mix the sound eects of the
SCRATCH.
Rotating SCRATCH / CONTROL to mix the scratch
sound.
-
You can hear eect of scratch sound depending
on the direction in which you rotate SCRATCH /
CONTROL.
DJ PRO
It allows you to mix CLUB or FOOTBALL sound
eect. Each mode has up to 3 sounds eect.
1. Press and hold DJ PRO. Pad “1” key repeatedly to
select a desired DJ PRO sound effect.
2. Press a DJ Pro. Pad of desired sound.
y
Initial DJ Pro mode is CLUB sound eect.
y
The DJ PRO sound is mixed when you press
a DJ Pro. Pad.
y
The currently playing DJ PRO sound is
stopped and the selected DJ PRO sound
outputs if you press a different DJ Pro. Pad
while DJ PRO sound is playing.
y
Display does not show Input DJ Pro. Pad.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 24 2015-08-31 4:05:38
Operating 25
Operating
3
AUTO DJ
Auto DJ blends the end of one song into the
beginning of another for seamless playback.
It equalizes volume across tracks/les for
uninterrupted playback.
Press AUTO DJ on the remote control repeatedly,
the display changes as followings. RANDOM (AUTO
DJ RANDOM) -> RPT (AUTO DJ SEQUENTIAL) ->
(AUTO DJ OFF)
Mode
Display
Window
Description
OFF
-
(AUTO DJ OFF)
-
RANDOM
RANDOM
(AUTO DJ
RANDOM)
The music is
played randomly
on this mode.
REPEAT
RPT
(AUTO DJ
SEQUENTIAL)
The music is
played repeatedly
on this mode.
y
AUTO DJ mode does not support searching
for a section within a track/le or to play
repeatedly or randomly.
y
If you move to other functions or stop the
music using
I
on the unit (or
Z
ENTER
on the remote control) on AUTO DJ mode,
AUTO DJ will be disable.
y
AUTO DJ is not supported in the music le
whose length is less than 60 seconds.
y
During recording, AUTO DJ is not available.
y
Only AUTO DJ SEQUENTIAL is selected when
played the programmed list.
,
Note
Using BLUETOOTH®
wireless technology
About BLUETOOTH
Bluetooth is wireless communication technology
for short range connection.
The sound may be interrupted when the
connection interfered by the other electronic wave
or you connect the bluetooth in the other rooms.
Connecting individual devices under Bluetooth
wireless technology does not incur any charges. A
mobile phone with Bluetooth wireless technology
can be operated via the Cascade if the connection
was made via Bluetooth wireless technology.
Available Devices : Mobile phone, MP3, Laptop,
PDA.
BLUETOOTH Profiles
In order to use Bluetooth wireless technology,
devices must be able to interpret certain proles.
This unit is compatible with following prole.
A2DP (Advanced Audio Distribution Prole)
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 25 2015-08-31 4:05:39
Operating26
Operating
3
Listening to music stored on
the BLUETOOTH devices
Pairing your unit and Bluetooth
device
Before you start the pairing procedure, make
sure the Bluetooth feature is activated on your
Bluetooth device. Refer to your Bluetooth device’s
user guide. Once a pairing operation is performed,
it does not need to be performed again.
1. Select the Bluetooth function by using
FUNCTION until BT function is selected or
pressing Bluetooth on the unit.
“BT READY” appears on the display window.
2. Operate the Bluetooth device and perform the
pairing operation. When searching for this unit
with the Bluetooth device, a list of the devices
found may appear in the Bluetooth device
display depending on the type of Bluetooth
device. Your unit appears as “LG OM7550(XX)”.
y
XX means the last two digits of Bluetooth
address. For example, if your unit has a
Bluetooth address such as 9C:02:98:4A:F7:08,
you will see “LG OM7550(08)” on your
Bluetooth device.
y
Depending on the Bluetooth device type,
some devices may have a dierent pairing
process. Enter the PIN code (0000) as
needed.
y
You can connect this unit with up to 3
Bluetooth devices simultaneously using the
same method as described above, only in
the Bluetooth function.
y
The multi pairing connection is only
supported on Android or iOS devices. (Multi
pairing connection may not be supported
depending on the connected device
specications.)
y
Removable/detachable Bluetooth devices
(Ex: Dongle etc.) will not support multi
pairing.
,
Note
3. When this unit is successfully connected
with your Bluetooth device, “PAIRED” will be
appear on the display window and change to
Bluetooth device name soon.
y
"PAIRED" will momentarily appear on the
display when you connect other devices for
multi pairing.
y
If the device name is unavailable, “_” will be
displayed.
,
Note
4. Listen to music.
To play a music stored on your Bluetooth
device, refer to your Bluetooth device’s user
guide.
y
When using Bluetooth® technology, you
have to make a connection between the
unit and the bluetooth device as close as
possible and keep the distance.
However, it may not work well in certain
situations as described below :
-
There is a obstacle between the unit and
the bluetooth device.
-
There is a device using same frequency
with Bluetooth® technology such as a
medical equipment, a microwave or a
wireless LAN device.
y
You should connect your bluetooth device
to this unit again when you restart it.
y
Even if this unit connected up to 3 Bluetooth
devices in the Bluetooth mode, you can play
and control music by using only one of the
connected devices.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 26 2015-08-31 4:05:39
Operating 27
Operating
3
y
When this unit connected with multiple
Bluetooth devices, only one device which
you are playing keeps Bluetooth connection
when you change the function to the
others.
y
The sound may be interrupted when the
connection has interference from other
electronic devices.
y
You may not control the Bluetooth device
with this unit.
y
Depending on the type of the device,
you may not be able to use the Bluetooth
function.
y
You can enjoy wireless system using phone,
MP3, Notebook, etc.
y
The more distance between the unit and
the bluetooth device, the lower the sound
quality becomes.
y
Bluetooth connection will be disconnected
when the unit is turned o or the Bluetooth
device gets far from the unit.
y
When Bluetooth connection is
disconnected, connect the bluetooth device
to the unit again.
y
When a Bluetooth device is not connected,
“BT READY” appears on the display window.
y
When you use the BT function, adjust the
volume to a proper level on the Bluetooth
device.
y
If it is not in the BT function, only one device
can be connected.
y
If a Bluetooth device is connected when
using LG TV, LG TV is disconnected and the
Bluetooth device is connected.
y
When you connect Bluetooth device
(iOS device etc.) to this unit or operate
the device, the volume level can be
synchronized with each other.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 27 2015-08-31 4:05:39
Operating28
Operating
3
Using the Music Flow
Bluetooth App
Only Android OS is available to use “Music Flow
Bluetooth” app with this unit.
,
Note
About “Music Flow Bluetooth” App
“Music Flow Bluetooth” app brings a suite of new
features to this unit.
To enjoy more features, you are recommended to
download and install free “Music Flow Bluetooth”
app.
Install “Music Flow Bluetooth”
App onto Your Bluetooth
Device
There are two ways to install “Music Flow Bluetooth”
App onto Your Bluetooth Device.
Install “Music Flow Bluetooth” App
through QR code
1. Install “Music Flow Bluetooth” app through QR
code. Use the scanning software to scan the QR
code.
2. Tap an icon for installation.
3. Tap an icon for downloading.
y
Make sure that your Bluetooth device is
connected to the Internet.
y
Make sure that your Bluetooth device has a
scanning software application. If you don’t
have one, download one from “Google
Android Market (Google Play Store)”.
y
Depending on the area, QR code may not
work.
,
Note
Install “Music Flow Bluetooth” App
through “Google Android Market
(Google Play Store)”
1. Tap the “Google Android Market (Google Play
Store)” icon.
2. In the search bar, type in the “Music Flow
Bluetooth” and search it.
3. In the search result list, find and tap “Music Flow
Bluetooth” to start downloading Bluetooth app.
4. Tap an icon for installation.
5. Tap an icon for downloading.
y
Make sure that your Bluetooth device is
connected to the Internet.
y
Make sure that your Bluetooth device is
equipped with “Google Android Market
(Google Play Store)”.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 28 2015-08-31 4:05:39
Operating 29
Operating
3
Activate Bluetooth with “Music
Flow Bluetooth” App
“Music Flow Bluetooth” app helps to connect your
Bluetooth device to this unit.
1. Tap “Music Flow Bluetooth” app icon on the
home screen to open “Music Flow Bluetooth”
app, and go to the main menu.
2. Tap [Menu] and select the unit you want.
3. If you want to get more information to operate,
tap [Help] on the [Setting] menu.
y
“Music Flow Bluetooth ” app will be available
in the software version as follow;
-
Android O/S : Ver 4.0.3 (or later)
y
If you use “Music Flow Bluetooth ” app for
operation, there would be some dierences
between “Music Flow Bluetooth ” app
and the supplied remote control. Use the
supplied remote control as necessary.
y
Depending on the Bluetooth device, “Music
Flow Bluetooth ” app may not work.
y
After connection of “Music Flow Bluetooth ”
app, music may be output from your device.
In this case, try connecting procedure again.
y
If you operate the other applications or
change the settings on your Bluetooth
device while using “Music Flow Bluetooth
” app, “Music Flow Bluetooth ” app may
operate abnormally.
y
When “Music Flow Bluetooth ” app operates
abnormally, check your Bluetooth device
and the connection of “Music Flow
Bluetooth ” app and then try to connect
again.
y
Depending on the smart phone's operating
system, you have some dierences for
“Music Flow Bluetooth ” operation.
y
Check Bluetooth setting on your Bluetooth
device if “Music Flow Bluetooth ” app
connection does not work well.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 29 2015-08-31 4:05:39
Operating30
Operating
3
Radio Operations
Be sure that FM antenna is connected.
(Refer to page 20)
Listening to the radio
1. Press FUNCTION until FM appears in the display
window.
The last received station is tuned in.
2. Auto tuning :
Press and hold TUNING-/+ on the remote
control or
Y/U
on the unit for about two
seconds until the frequency indication starts to
change, then release. Scanning stops when the
unit tunes in a station.
Or
Manual tuning :
Press TUNING-/+ on the remote control or
Y/U
on the unit repeatedly.
3. Adjust the volume by rotating volume knob on
the unit or by pressing VOL +/- on the remote
control repeatedly.
Improving poor FM reception
Adjust the antenna to improve the reception when
the radio has poor reception.
Presetting the Radio Stations
You can preset 50 stations for FM.
Before tuning, make sure to turn down the volume.
1. Press FUNCTION until FM appears in the display
window.
2. Select the desired frequency by pressing
TUNING -/+ on the remote control or
Y/U
on the unit.
3. Press PROGRAM/MEMORY on the remote
control. A preset number will blink in the display
window.
4. Press PRESET.FOLDER
W
/
S
on the remote
control to select the preset number you want.
5. Press PROGRAM/MEMORY on the remote
control. The station is stored.
6. Repeat steps 2 to 5 to store other stations.
7. To listen a preset station, press
PRESET.FOLDER
W
/
S
or 0 to 9 numerical
buttons on the remote control.
Deleting all the saved stations
1. Press and hold PROGRAM/MEMORY on the
remote control for two seconds.
“ERASEALL” will flash up on the unit display.
2. Press PROGRAM/MEMORY on the remote
control to erase all the saved radio stations.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 30 2015-08-31 4:05:39
Operating 31
Operating
3
Sound adjustment
Setting the sound mode
This system has a number of pre-set surround
sound elds. You can select a sound mode you
want by using SOUND EFFECT on the remote
control.
The displayed items for the Equalizer may be
dierent depending on sound sources and eects.
On Display Description
NATURAL
You can enjoy comfortable and
natural sound.
Local
Specialization
equalizer
(Optional)
Regionally optimized sound
eect.
(FORRO/FUNK/SERTANEJ/
DANGDUT/ARABIC/PERSIAN/
INDIA/REGUETON/MERENGUE/
SALSA/SAMBA/CUMBIA/AFRO/
AXE/TECNO BR)
AUTO EQ
Realizes the sound equalizer
that is the most similar to the
genre of which is included in
the MP3 ID3 tag of song les.
POP
CLASSIC
JAZZ
ROCK
This program lends an
enthusiastic atmosphere to the
sound, giving you the feeling
you are at an actual rock, pop,
jazz or classic concert.
BASS
(BASS BLAST)
Reinforces the treble, bass and
surround sound eect.
FOOTBALL
You can enjoy the sound eect
FOOTBALL STADIUM.
FLAT Provides balanced sound.
BOOST
Boosts the mid-range for sound
reinforcement.
TRE/BASS
(TREBLE/BASS)
Reinforces the treble and bass.
STANDARD You can enjoy optimized sound.
y
On some speakers, sound may not be heard
or heard in low sound depending on the
sound mode.
y
Maybe you need to reset the sound mode,
after switching the input, sometimes even
after the sound track/le changed.
y
By pressing BASS BLAST on the unit you
can directly select STANDARD or BASS (BASS
BLAST) eect.
y
By pressing LATIN EQ on the unit, you can
directly select various latin equalizers.
,
Note
Setting the USER EQ
You can adjust the sound level of Bass and Treble as
your preference.
1. Press USER EQ on the unit. “USER EQ” is
displayed.
2. Select Bass, MID(MIDDLE) or TRE(TREBLE) by
pressing USER EQ on the unit while “USER EQ” is
displayed.
3. Rotate SCRATCH/ CONTROL to adjust the
sound level.
4. Press USER EQ to save the setting.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 31 2015-08-31 4:05:39
Operating32
Operating
3
Advanced Operations
Recording to USB
You can record a various sound source to USB.
(CD, AUX, PORTABLE, Tuner, USB)
1. Connect the USB device to the unit.
2. Press FUNCTION to select a Function you want
to record.
One track/file recording - You can record to USB
after playing a track/file you want.
All tracks/files recording - You can record to USB
in full stop status.
Programmed list recording - After showing the
Programmed list, you can record it to USB.
(Refer to page 34)
3. Start the recording by pressing USB REC/
DEMO.
-If you connect both USB1 and USB2, press USB
REC/DEMO when USB1 or USB2 which you
want to record blinks in the display window.
4. To stop recording, press
I
on the unit or
Z
ENTER on the remote control.
Pausing recording
During recording, press
T
on the unit or
d
/
M
on the remote control to pause recording. Press it
again to restart recording.
(Tuner/AUX/PORTABLE only)
You can control recorded MIC sound according
to MIC volume when you record in AUDIO CD
X1 speed REC.
,
Note
To select recording bit rate and
speed
1. Press and hold USB REC/DEMO for 3 seconds.
2. Press
C
/
V
on the remote control or
Y
/
U
on the unit to select a bit rate.
3. Press USB REC to set.
4. Press
C
/
V
on the remote control or
Y
/
U
on the unit to select a desired
recording speed. (AUDIO CD only)
X1 SPEED
- You can listen to music while recording it.
X2 SPEED
- You can just record the music file.
5. Press USB REC/DEMO to finish the setting.
USB Copying
You can copy audio les in USB 1 to USB 2.
1. Connect a USB device including desired sound
files to USB port (1) and select USB 1 Function.
2. Connect another USB device to USB port (2).
3. Press USB REC/DEMO to start recording.
4. To stop recording, press
I
on the unit or
Z
ENTER on the remote control.
The making of unauthorized copies of copy-
protected material, including computer
programs, les, broadcasts and sound
recordings, may be an infringement of
copyrights and constitute a criminal oense.
This equipment should not be used for such
purposes.
Be responsible
Respect copyrights
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 32 2015-08-31 4:05:39
Operating 33
Operating
3
y
You can check the recording percentage
rate for the USB record on the display
window during the recording. (MP3/WMA,
CD Only)
y
During recording MP3/WMA, there is no
sound.
y
For stable recording, the output sound level
goes down on its own when you record
music from CD to USB.
y
You can only change volume level between
MIN and 30 during recording. (Only CD
function)
y
When you stop recording during playback,
the le that has been recorded at that time
will be stored. (Except MP3/WMA les)
y
Do not remove the USB device or turn o
the unit during USB recording. If does not,
an incomplete le may be made and not
deleted on PC.
y
If USB recording does not work, the
message like “NO USB”, “ERROR”, “USB FULL”
or “NO REC” is displayed on the display
window.
y
Multi card reader device or External HDD
can not be used for USB recording.
y
A le is recorded by about 512 Mbyte when
you record for a long term.
,
Note
y
You can record various sound using MIC/DJ
Pro/Scratch/DJ Eect. (Except USB Copying)
y
You can control recorded MIC sound
according to MIC volume.
y
You may not store more than 2000 les.
y
You can not record in AUTO DJ mode.
y
On CD function, sound of MIC, DJ Pro,
Scratch, DJ Eect is recorded only during
AUDIO CD X1 speed REC. It is recorded
AUDIO CD source too.
y
In case of the unsupported MP3/WMA le,
the le recording may be stopped.
y
It’ll be stored as follows.
AUDIO CD MP3/WMA
The other source* Tuner
* : AUX and the like.
Tuner : The current recording frequency is
shown.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 33 2015-08-31 4:05:40
Operating34
Operating
3
Programmed Playback
The program function enables you to store your
favorite les from any disc or USB device.
A program can contain 20 tracks/les for each
media. (CD, USB1,USB2) Possible to save a total of
60 tracks/les.
Making Programmed list
It is supported only on stop status.
1. Press PROGRAM/MEMORY on the remote
control.
2. Press
C
/
V
on the remote control to select
a track/file.
3. Press PROGRAM/MEMORY on the remote
control to save and select a next track/file.
4. Repeat steps 2 - 3 to store other tracks/files.
(You can modify the list by pressing
PRESET.FOLDER
W
/
S
on the remote control
to select the program number.)
5. Press PROGRAM/MEMORY on the remote
control once again.
To play the programmed list, press
d/M
after you
make the list.
When making or modifying the programmed
list, REPEAT mode is o.
,
Note
Deleting Programmed list
Deleting function only works in the edit mode.
1. Press PROGRAM/MEMORY on the remote
control in stop status.
2. Select a song by pressing PROGRAM/MEMORY
or PRESET.FOLDER
W
/
S
on the remote
control repeatedly.
3. Press DELETE while a song is selected.
y
Program is switched o in the case below.
-
Changing to a dierent function.
-
Turning o and on the unit.
-
Operating the numeric buttons on the
remote control.
y
Programmed list is cleared in the case
below.
-
Removing the disc or the USB device.
-
Deleting or recording music les in the
USB device.
-
Unplugging the Power Cord.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 34 2015-08-31 4:05:40
Operating 35
Operating
3
Other Operations
Turn off the sound temporarily
Press MUTE
@
on the remote control to mute
your sound.
You can mute your unit, for example, to answer the
telephone, the “MUTE” will appear in the display
window.
To cancel it, press MUTE
@
again or change the
volume level.
CHILDSAFE Mode
This function helps to prevent you from being
surprised when you turn on the unit in case that
the volume of the unit is set at a high level.
To turn on CHILDSAFE mode, press and hold ENTER
on the unit when the volume of the unit is “MIN”.
In CHILDSAFE mode, the volume increase gradually.
To turn o CHILDSAFE mode, press and hold ENTER
on the unit when the volume of the unit is “MIN”
In case of CD, USB, BT or LG TV Function,
CHILDSAFE mode does not work after about
2 minutes from power on the unit even if this
mode is enabled.
,
Note
Displaying file information
(ID3 TAG)
While playing an MP3 le containing le
information, you can display the information by
pressing INFO.
DEMO
In the power o state, press USB REC/DEMO on
the unit once. The unit will power on and display
the each of functions with demo sound in the
display window. To cancel the DEMO function,
press USB REC/DEMO once more.
y
While in DEMO, this unit will keep DEMO
status even if you unplug the power cord
connection.
y
You can enjoy other functions during the
DEMO, the DEMO will temporarily pause.
-
Without input key in 10 sec, the DEMO will
play back automatically.
,
Note
Using Microphone
1. Connect your microphone to the MIC jack.
2. Play the music you want.
3. Sing along with the accompaniment. Adjust
the microphone volume by rotating MIC VOL.
clockwise or counterclockwise on the unit.
y
When not using the microphone, set the
MIC VOL. to minimum or turn o the MIC
and remove the microphone from the MIC
jack.
y
If the microphone is set too near the
speaker, a howling sound may be produced.
In this case, move the microphone away
from the speaker or decrease the sound
level by using the MIC VOL..
y
If sound through the microphone is
extremely loud, it may be distorted. In this
case, rotate MIC VOL. to minimum.
,
Note
LIGHTING
The function is to create a Club like atmosphere by
operating speaker lighting.
1. Press LIGHTING on the unit.
The mode changes each time you press it :
OFF VOLCANO POLICE THUNDER
PSYCHE CAOS OFF
y
Lighting function is available in all functions.
y
Lighting mode retains its previous mode
when you rst press LIGHTING, press again
to change modes.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 35 2015-08-31 4:05:40
Operating36
Operating
3
Setting the Clock
1. Turn the unit on.
2. Press and hold CLOCK.
3. Select time mode by pressing
C/V
on
the remote control.
- AM 12:00 (for an AM and PM display) or 0:00
(for a 24 hour display)
4. Press SET to confirm your selection.
5. Select the hours by pressing
C/V
on the
remote control.
6. Press SET.
7. Select the minutes by pressing
C/V
on
the remote control.
8. Press SET.
Setting the Clock through
“Music Flow Bluetooth” App
Install “Music Flow Bluetooth” app on your Android
device. (Refer to page 28)
Your unit’s clock will be automatically synchronized
with your device by activating Bluetooth
connection through “Music Flow Bluetooth” app.
Using your player as an alarm
clock
1. Turn the unit on.
2. Press and hold ALARM.
3. Press
C/V
on the remote control to
change the hours and minutes and press SET to
save.
4. Press
C/V
on the remote control to
select function and press SET to save.
- Press
C/V
on the remote control to
select a memory No. when you select Tuner
and then, press SET.
If there is no memory No., this step is skipped.
5. Press
C/V
on the remote control to
change the volume and press SET to save. The
clock icon “
(
” shows that the alarm is set.
y
If you set the clock time, you can check the
time by pressing CLOCK even when the
player is turned o.
y
You can set alarm after you set the clock
time.
y
If you set the clock time and alarm, you
can check the alarm icon “
(
“ by pressing
CLOCK even when the unit is turned o.
y
If you set the clock time and alarm, you
can check the alarm icon “
(
“ and setting
informaiton by pressing ALARM even when
the unit is turned o.
y
You can select ALARM ON/OFF mode by
pressing ALARM.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 36 2015-08-31 4:05:40
Operating 37
Operating
3
Sleep Timer Setting
Press SLEEP repeatedly to select delay time
between 10 and 180 minutes. After the delay time,
the unit will be turned o.
To cancel the sleep function, press SLEEP
repeatedly until “SLEEP 10” appears, and then press
SLEEP once again while “SLEEP 10” is displayed.
y
You can check the remaining time before
the unit is turned o.
y
Press SLEEP. The remaining time appears in
the display window.
,
Note
Dimmer
Press SLEEP once. The display window will
be darkened by half. To cancel it, press SLEEP
repeatedly until dim o.
y
All the LED turns o when Dimmer is being
operated.
,
Note
Auto power down
This unit will turn itself o to save electricity in the
case were the main unit is not connected to an
external device and is not used for 20 minutes.
The unit will also turn itself o after six hours if the
Main unit has been connected to another device
using the analog inputs.
How to disconnect the wireless
network connection or the wireless
device.
Turn o the unit by pressing the power button for
more than 5 seconds.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 37 2015-08-31 4:05:40
Operating38
Operating
3
AUTO POWER On
This unit automatically turns on by an input source :
LG TV or Bluetooth
If you try to connect your Bluetooth device, this
unit turns on and connects your Bluetooth device.
You can play your music.
y
Depending on the connected device, this
function may not operate.
y
Depending on the connected device, the
unit turns on but Bluetooth function may
not be connected.
y
If you disconnect Bluetooth connection
by this unit, some Bluetooth devices try to
connect to the unit continually. Therefore
it is recommended to disconnect the
connection before turning o the unit.
y
If you try to connect to the “Music Flow
Bluetooth” app, Bluetooth function of this
unit is turned on.
y
If you turn on the unit using LG TV or
Bluetooth function, proper function of this
unit is turned on.
y
If you have already paired with this unit,
automatically this unit can turn on by an
input source when this unit is turned o.
y
If you turn o the unit by pressing the
power button for more than 5 seconds, Auto
Power On function is disabled. To activate it,
turn on the unit.
,
Note
Auto function change
This unit recognizes input signals such as
Bluetooth and LG TV and then changes suitable
function automatically.
When you try to connect Bluetooth
device
When you try to connect your Bluetooth device to
this unit, Bluetooth function is selected. Play your
music on the Bluetooth device.
When LG TV is connected
When you turn on your LG TV connected by LG
Sound Sync, this unit changes the function to LG
TV. You can hear the sound from your TV.
y
This function is not available during
recording or deleting.
y
This function only works with devices that
were previously connected.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 38 2015-08-31 4:05:40
Operating 39
Operating
3
LG Sound Sync
You can control some functions of this unit by
your TV’s remote control with LG Sound Sync. It
is compatible with LG TV that supports LG Sound
Sync. Make sure your TV has the LG Sound Sync
logo.
Controllable function by LG TV’s remote control :
Volume up/down, mute
Refer to the TV’s instruction manual for the details
of LG Sound Sync.
1. Turn on the unit by pressing
1
/
!
(Power).
2. Press FUNCTION until LG TV function is selected.
3. Set up the sound output of TV to listen to the
sound through this unit :
TV setting menu [Sound] -> [TV Sound output]
-> [LG Sound Sync (Wireless)]
“PAIRED” appears on the display window for
about 3 seconds and then you can see “LG TV”
on the display window if the TV and this unit are
connected normally.
y
You can also use the remote control of
this unit while using LG Sound Sync. If you
use TV’s remote control again, the unit
synchronizes with the TV.
y
If the connection fails, check the conditions
of this unit and your TV : power, function.
y
Make sure of the condition of this unit and
the connection in the cases below when
using LG Sound Sync.
-
Turn o the unit.
-
Changing to a dierent function.
-
Disconnecting the wireless connection
caused by interference or a distance.
y
The amount of time to turn o this unit is
dierent depending on your TV.
y
If you try to change the function on using
the LG TV function, volume will be change
according to the LG TV volume level.
y
Details of TV setting menu vary depending
on the manufacturers or models of your TV.
y
If you connect LG Sound Sync when “Music
Flow Bluetooth” app is connected, control
through the app is available.
y
If you turned o the unit directly by
pressing
1
/
!
(Power), LG Sound Sync will
be disconnected. To use this function again,
you should reconnect the TV and the unit.
y
If an LG TV is connected when using
Bluetooth, Bluetooth is disconnected and
the LG TV is connected.
,
Note
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 39 2015-08-31 4:05:41
4 Troubleshooting
Troubleshooting40
Troubleshooting
4
Troubleshooting
Problem Cause & Solution
The unit does not work
properly.
y
Turn o the power of this unit and the connected external device (TV, Woofer,
DVD-player, Amplier, etc.) and turn it on again.
y
Disconnect the power cord of this unit and the connected external device (TV,
Woofer, DVD-player, Amplier, etc.) and then try connecting again.
y
Previous setting may not be saved when device power is shut o.
No Power.
y
The power cord is not plugged in. Plug in the power cord.
y
Check whether electricity failed.
Check the condition by operating other electronic devices.
No sound.
y
Check whether you select right function.
Press FUNCTION and check the selected function.
The unit does not start
playback.
y
An unplayable disc is inserted. Check the playable disc.
y
No disc is inserted. Insert a disc.
y
The disc is dirty. Clean the disc. (Refer to page 41)
y
The disc is inserted upside down.
Place the disc with the label or printed side facing upwards.
Radio stations cannot be
tuned in properly.
y
The antenna is positioned or connected poorly.
Connect the antenna securely.
y
The signal strength of the radio station is too weak.
Tune to the station manually.
y
No stations have been preset or preset stations have been cleared (when
tuning by scanning preset channels).
Preset some radio stations, see page 30 for details.
The remote control does
not work properly.
y
The remote control is too far from the unit.
Operate the remote control within about 23 ft (7 m).
y
There is an obstacle in the path of the remote control and the unit.
Remove the obstacle.
y
The batteries in the remote control are exhausted.
Replace the batteries with new ones.
No speaker light
y
Check the speaker light eects by pressing LIGHTING.
LG Sound Sync does not
work.
y
Check whether your LG TV supports LG Sound Sync.
y
Check connection of LG Sound Sync.
y
Check sound setting of your TV and this unit.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 40 2015-08-31 4:05:41
5 Appendix
Appendix 41
Appendix
5
Maintenance
Notes on Discs
Handling Discs
Never stick paper or tape on the disc.
Storing Discs
After playing, store the disc in its case. Do not
expose the disc to direct sunlight or sources of heat
and never leave it in a parked car exposed to direct
sunlight.
Cleaning Discs
Fingerprints and dust on the disc can cause poor
picture quality and sound distortion. Before playing,
clean the disc with a clean cloth. Wipe the disc from
the center to out.
Do not use strong solvents such as alcohol,
benzine, thinner, commercially available cleaners,
or anti-static spray intended for old vinyl records.
Handling the Unit
When shipping the unit
Please save the original shipping carton and
packing materials. If you need to ship the unit, for
maximum protection, re-pack the unit as it was
originally packed at the factory.
Keeping the exterior surfaces clean
Do not use volatile liquids such as insecticide spray
near the unit. Wiping with strong pressure may
damage the surface. Do not leave rubber or plastic
products in contact with the unit for a long period
of time.
Cleaning the unit
To clean the player, use a soft, dry cloth. If the
surfaces are extremely dirty, use a soft cloth lightly
moistened with a mild detergent solution. Do not
use strong solvents such as alcohol, benzine, or
thinner, as these might damage the surface of the
unit.
Maintaining the Unit
The unit is a high-tech, precision device. If the
optical pick-up lens and disc drive parts are dirty
or worn, the picture quality could be diminished.
For details, please contact your nearest authorized
service center.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 41 2015-08-31 4:05:41
Appendix42
Appendix
5
General specifications
General
Power requirements 120 V ~ 60 Hz
Power consumption
90 W
Networked standby : 0.4 W
(If all network ports are activated.)
Dimensions (W x H x D) 430 mm x 665 mm x 468 mm (16.9 “ x 26.2 “ x 18.4 “)
Net Weight (Approx.) 22.7 kg (50 lb)
Operating temperature 5 °C to 35 °C (41 °F to 95 °F)
Operating humidity 60 %
Bus Power Supply 5 V
0
500 mA
Inputs / Outputs
AUX IN / OUT 2.0 Vrms (1 kHz, 0 dB), 600 Ω, RCA jack (L, R)
PORT. IN 1.2 Vrms (3.5 Ø jack)
MIC 20 mV
Tuner
FM Tuning Range 87.5 to 108.0 MHz or 87.50 to 108.00 MHz
CD
Frequency Response 40 to 20,000 Hz
Signal-to-noise ratio 75 dB
Dynamic range 80 dB
Amplier
Total output (RMS) 1,000 W
FRONT (RMS) 500 W x 1 (6 Ω at 150 Hz)
MID (RMS) 500 W x 1 (6 Ω at 1 kHz)
THD 20 %
y
Design and specications are subject to change without notice.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 42 2015-08-31 4:05:41
Appendix 43
Appendix
5
Trademarks and Licenses
Bluetooth wireless technology is a system which allows radio contact between electronic devices.
Connecting individual devices under Bluetooth wireless technology does not incur any charges. A mobile
phone with Bluetooth wireless technology can be operated via the Cascade if the connection was made via
Bluetooth wireless technology.
The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by LG
Electronics is under license.
Other trademarks and trade names are those of their respective owners.
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 43 2015-08-31 4:05:41
LG Customer Information Center
1-800-243-0000 USA, Consumer
1-888-865-3026 USA, Commercial
Register your product Online!
www.lg.com
OM7550-FB.DUSALLK_FULL BOOK_ENG_MFL69001813.indd 44 2015-08-31 4:05:41
