LG | NP7550B | LG NP7550 Owner’s Manual

Product Overview
Bluetooth Connection
App Installation
Using External Device
To use this unit more comfortably, install “Music Flow Bluetooth” on
your bluetooth devices.
to turn on the unit.
Searching for “Music Flow Bluetooth” on the
Google Play Store or Apps Store.
Portable Bluetooth Speaker
Approx. 3.5 hours
Music Flow Bluetooth
How to check the battery life: when the unit is turned on, press
LG Music Flow P7 (CD)
Version 4.0.3 (or higher)
When you connect portable
cable, you can select between
Bluetooth and portable input
Select “LG Music Flow P7(xx)” on your Bluetooth device.
(XX means the last two digits of BT address.)
yy When you turn on the unit, the last connected bluetooth device is connected automatically.
(Only if the external device is not connected with portable cable and the unit is registered
on the Bluetooth device.)
yy Depending on the bluetooth device, you need to enter the PIN code (0000).
When you connect the portable cable, the function is
changed to portable in mode automatically.
Version 6 (or higher)
On : Press the 1/!
Off : Press and hold the 1/!
60 %
15 %
15 %
15 %
15 %
Please read this manual carefully before operating your set and retain it
for future reference.
Multi pairing : Press and hold for 2 seconds to add another
bluetooth device.
Initializing : Press and hold for 10 seconds.
Play/Pause : Press
Forward Skip: Press
Back Skip : Press
three times.
Mute : Press
. (Portable, LG Sound Sync)
Safety Information
Dual Play Connection (Optional)
LG Sound Sync
Preparation : Two speakers are needed to enjoy in stereo. For more detail, refer to the
“Music Flow Bluetooth” app.
About LED Indicator
LG Sound Sync enables you to control some functions of this unit by a remote control of your LG TV. Controllable functions are volume up/down
and mute. Make sure that your TV has LG Sound Sync logo as shown above.
Turned on red
Turned on amber
In Charging
Connect the
Set up the sound output of your TV : TV setting menu [ [Sound] [ [TV Sound
output] [ [LG Sound Sync (Wireless)]
speaker using Bluetooth.
Turned on white
Turned off
Fully Charged
Power is turned on.
Battery is discharged. (Blinks rapidly)
The unit operates abnormally. Leave the unit at room temperature (5 - 35 °C) for a while and try again.
Press and hold the buttons (
speaker : ,
speaker :
simultaneously until you hear a beep. Buttons will blink white.
Waiting for dual play connection
The setting method of LG Sound Sync may differ depending on the TV. Refer to your TV manual.
Waiting for sound sync
Mute status (Portable)
simultaneously until you hear a beep.
Press and hold ,
stay amber.
If two speakers are connected, blinking buttons will stay white with beep
NP7550-B0.BAUSLLK_SIM_MFL68880417.indd 1
blinks amber. If
Blink : Searching for Bluetooth device, Stay on : Bluetooth device is connected.
Safety Information
In case that the unit freezes due to malfunction, remove the
rubber sleeve and press the reset hole using an object like a
thin pin. Then the unit is turned off completely.
Notice for using this Unit
yy You can connect this unit with up to 3 bluetooth device simultaneously same
yy The multi pairing connection is only supported on Android or iOS devices.
(Multi pairing connection may not be supported depending on the connected
device specifications.)
yy Removable/detachable bluetooth device (Ex : Dongle etc..) does not supported
multi pairing.
yy Even if this unit connected up to 3 bluetooth devices, you can play and control
music by using only one of the connected devices.
Dual Play
yy If you use a bluetooth device using dongle, you cannot use Dual Play.
yy In portable input mode, you cannot use Dual Play.
yy When you enjoy Dual Play, the multi pairing connection is not supported.
yy When you enjoy Dual Play, the function cannot be changed.
yy When Dual Play connection is on processing, you cannot search the units on
other bluetooth devices.
yy When you disconnect Dual Play connection, press and hold the buttons
) again.
yy When you enjoy Dual Play, you can adjust the volume of both
speakers at the same time.
yy Once two speakers are connected to each other via Dual play, all devices
connected to both speakers are disconnected except for the speaker the last
connected to
yy Using Dual play is limited to only these units and is unavailable on other Music
Flow series.
yy To change the bluetooth device in Dual Play mode, press and hold
2 seconds to disconnect current bluetooth device and connect the desired
bluetooth device.
speaker with the bluetooth
yy In Dual Play mode, you can connect only the
yy Dual Play is only supported on Android or iOS devices.
LG Sound Sync
yy When the connections failed, make sure of the conditions of this unit and your
TV : power, function and etc.
yy If you turn off and on the TV, you must set LG sound sync connection again.
yy This unit recognizes input signals such as Bluetooth and LG TV and then
changes suitable function automatically.
Notice for Auto Power Off
When the unit is in BT/TV sound Sync mode without music playback for 20 minutes or
in portable input mode without button operation for 6 hours, this unit is turned off
How to disconnect the wireless network
connection or the wireless device.
Turn off the unit.
Power Supply:
-- 5 V 0 2.0 A (AC Adapter)
-- Built-in rechargeable battery
Power consumption:
-- 10 W
AC Adapter:
-- Model: WB-10A05FN
-- Manufacturer: Yang Ming Industrial
-- Input: AC 100 - 240 V, 50/60 Hz
-- Output: 5 V 0 2.0 A
Dimensions (W x H x D): Approx. 184 mm x 55 mm x 63 mm
Net Weight: Approx. 0.7 kg
Operating Temperature: 5 °C to 35 °C
Operating Humidity: 5 % to 60 %
External Connector:
-- ø 3.5 mm mini jack
-- Micro USB port for charging battery
Communication: Bluetooth
-- 10 W + 10 W (4 Ω at 1 kHz)
-- THD: 10%
-- Type : Built-in
-- Impedance Rate : 4 Ω
-- Rated Input Power : 10 W
-- Max. Input Power : 20 W
Battery :
-- Battery capacity : 2600 mAh
-- Operating time is approx. 8 hours. (Based on 30% volume, 1kHz signal, 400 mV
portable input and fully charged status) It may vary depending on the battery
status and operational conditions.
yy Design and specifications are subject to change without notice.
No power
yy The battery is discharged. Recharge the battery.
yy Connect the unit to the power supply with the AC adapter.
No sound or sound distortion
yy The unit or your smart device’s volume is set to minimum. Check and adjust the
volume of the unit or bluetooth device’s volume.
yy When you use an external device at high volume, the sound quality may be
deteriorated. Lower the volume of the devices.
yy If you use the unit for purposes other than listening to music, the sound quality may
be lowered or the unit may not work properly.
Bluetooth pairing does not work well.
yy Switch bluetooth off and on again on your bluetooth device, then try pairing again.
yy Be sure your bluetooth device is on.
yy Remove the obstacle in the path of the bluetooth device and the unit.
yy Depending on the type of the bluetooth device or surrounding environment, your
device may not be paired with the unit.
yy While using Bluetooth, you may not be able to activate Music Flow Bluetooth
app. Disconnect Bluetooth device you have connected before to use Music Flow
Bluetooth app properly.
y When your Bluetooth device have been already connected with other unit,
disconnect the Bluetooth connection first. Then you can control your unit through
Music Flow Bluetooth app.
yy Depending on the Bluetooth device, Music Flow Bluetooth app may work
restrictively not work.
yy The connection you’ve made may be disconnected if you select other application
or change the setting of the connected device via Music Flow Bluetooth app. In
such case, please check the connection status.
The unit does not operate normally.
yy If the battery was fully discharged, the stored bluetooth information can be deleted.
yy Previous setting may not be saved when the unit’s power is shut off.
LED indicator is lit in red and white alternately. Please
yy In case of malfunction,
use the unit in proper place where the temperature or humidity is not so high or
low. If this problem is unsolved, contact LG Electronics customer care center.
yy In case of overload, all LED indicators stay white. Please turn the power off and then
on again.
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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.
yy To prevent fire or electric shock hazard, do not expose this product to rain or
yy Do not install this equipment in a confined space such as a book case or similar
yy This unit contains magnets which can be harmful to some kind of object ( Ex :
Magnetic card, Pacemaker etc..).
yy 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 built-in installation
such as a bookcase or rack unless proper ventilation is provided or the
manufacturer’s instruction has been adhered to.
yy The apparatus should not be exposed to water (dripping or splashing) and no
objects filled with liquids, such as vases, should be placed on the apparatus.
yy No naked flame sources, such as lighted candles, should be placed on the
yy Internal lithium battery in the unit should not be replaced by user because of
danger of explosion if battery is incorrectly replaced ,and must be replaced with the
same type battery by expert.
yy Only use the AC adapter supplied with this device. Do not use a power supply from
another device or another manufacturer. Using any other power cable or power
supply may cause damage to the device and void your warranty. If you do not use
supplied adapter, charging is unavailable or charging time may differ.
y To avoid fire or electric shock, do not open the unit. Contact to qualified personnel
yy Do not leave the unit in a place near the heating appliances or subject to direct
sunlight, moisture, or mechanical shock.
yy To clean the unit, 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.
yy 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.
y Do not place the unit over the vehicle’s air bag. When the air bag deploys, it may
result in injury. Before using in the car, fix the unit.
yy Do not use the handsfree function during driving a car.
yy Do not leave the unit on an unstable place such as high shelves. It may fall down
because of the vibration of the sound.
yy Do not use high voltage products around this product. (ex. Electrical swatter) This
product may malfunction due to electrical shock.
CAUTION when using this product in environments of low humidity
yy It may cause static electricity in environments of low humidity.
yy It is recommended to use this product after touching any metal object which
conducts electricity.
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.
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.
NOTICE: For safety making information including product identification and supply
ratings, please refer to the main label on the bottom of the apparatus.
yy The appliance is not intended for use by young children or infirm persons
without supervision.
yy Young Children should be supervised to ensure that they do not play with
yy If the appliance is supplied from a cord extension set or an electrical
portable outlet device, the cord extension set on electrical portable outlet
device must be positioned so that it is not subject to splashing or ingress of
yy Ensure that proper ventilation systems are used or windows are left open
if the appliance is used in areas such as bathrooms where the humidity is
greater than 80 %.
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