LG | LH70B | LG LH70B Owner’s Manual

Product Overview
Remote Controller
Front of the unit
Back of the unit
• • • • • • • • • a • • • • • • • • • •
1 : Switches the unit ON or OFF.
FUNC : Selects the function and input source on the display
(Bluetooth) FM
Speaker System
VOL +/- : Adjusts speaker volume.
: Mutes the sound.
USB : Changes to USB function.
BASS LEVEL: Adjusts Subwoofer volume.
• • • • • • • • • b • • • • • • • • • •
AUX : Changes to AUX function.
PORT.IN : Changes to
PORT.IN function.
aPORT. IN (ø 3.5mm) : Listens to music from your
portable device.
bd/M : Playback / Pause
cC/V : (Skip/Search)
lAUX IN connectors(L/R)
-- Skips Fast backward or Forward.
mSPEAKERS connectors(L/R)
-- Presets the radio station automatically.
REPEAT : Plays to your files repeatedly or randomly.
C/V : (Skip/Search)
-- Skips Fast backward or Forward.
-- Searches for a section within a file.
-- Searches for a section within a file.
-- Changes to FM radio function.
j Remote Sensor
TUN. (- / +) : Scans the radio stations.
d/M : (Play/Pause)
nPOWER IN cable
- TUNING + : Scans the radio station.
-- Starts or pauses playback.
-- Selects STEREO/MONO.
dUSB Port (5 V 0 500 mA)
Z : Stops playback
• • • • • • • • • c • • • • • • • • • •
e1 POWER Power (ON/OFF) button
fDisplay window : Shows the current status of
the unit.
Please read this manual carefully before operating your set and retain it for future reference.
-- Searches for a folder of MP3 files.
Battery Installation
-- Chooses a preset number for a radio station.
gFUNC. : (Function: Selects a function among the
(PORT.IN), (Bluetooth) or FM.)
DIMMER : Press [DIMMER] once. The display window will be
darkened by half. (To cancel it, press [DIMMER] again.)
hVOLUME(-/+) : Adjusts speaker volume.
PROGRAM/MEMORY : Presets radio stations and stores.
(Bluetooth) : Changes input source to Bluetooth.
DELETE: Deletes saved radio stations.
iBASS (-/+) : Adjusts Subwoofer volume
ø 3.5 mm
Safety Information
Remove the battery cover on the rear of the
Remote Control, and insert two (size AAA)
batteries with 4 and 5 matched correctly.
USB Port is not available for charging battery.
External Device Connection (AUX)
USB Data Playback
1. Insert the USB storage device (or MP3 player, etc.) to the USB port on the
front of the unit.
USB Storage
2. Select the USB function by pressing [FUNC.] on the front of the unit or [FUNC]
on the remote control. When you select USB function, the USB storage device
will be played automatically.
Satellite speakers (Left / Right)
3. Select a file you want to play by pressing C/V on the front of the unit
or remote control.
MP3 Playback Requirement
-- Bitrate : 32 kbps - 448 kbps
-- Sampling Frequency : 8 KHz - 48 KHz
Removing the USB Device from the unit :
1. Choose a different function or press Z on the remote control.
2. Remove the USB device from the unit.
1. Connect the satellite speaker cable to SPEAKERS (L/R) of the unit, matching respective colour connector.
2. Connect the [AUX IN] of the unit to output port of an external device or portable player using supplied (RCA) cable.
3. Plug the power cable into wall outlet.
4. Turn the Power on by pressing [1POWER] on the front of the unit or remote control.
Do this
Press Z on the remote control.
Press d/M on the front of the unit or remote control.
Skipping to the next/previous file
Press C/V on the unit or to skip the file in stop state.
During playback, press V on the unit or remote control or to go to the next file.
Playing less than 3 seconds, press C on the unit or remote control to go to the
previous file.
Playing after 3 seconds, press C on the unit or remote control to go to the
beginning of the file.
During playback, press d/M on the unit or remote control.
Searching for a section within a file
During playback, Press and hold C/V on the unit or remote control and
release it at the point you want to listen to.
5. Select [AUX] function by pressing [FUNC.] on the front of the unit or [FUNC] on the remote control.
6. Turn on the external device and start playing music.
If you want to connect an external device with AUX OUT(L/R) connector , connect it using Audio cable (L/R).
Audio cable (L/R) (Not supplied)
Playing repeatedly or randomly
Press [REPEAT] on the remote control repeatedly, the display changes in the
following order.
1 h / ALL h / ALL G / OFF
yy If you use an USB extension cable or USB hub, the USB device is not recognized.
yy Some USB device may not work with this unit.
yy During random playback, a same file that was being played may be played again.
yy For a large capacity USB, it may take a few minute to be searched.
yy To prevent hearing damage when turning on the unit, always turn down the VOLUME and BASS
before turning off the unit.
yy If you do not intend to use the speakers for a long time, turn off the power.
yy If your external player has only one output for audio(mono), connect it to the left (white) audio connector on
the unit.
Selecting a folder
Radio Operation
Listening to the radio
When a USB containing MP3 files in several folders is being played,
1. Press [PRESET/FOLDER +/- ] on the remote control repeatedly. Index of the first played file in the folder is displayed.
2.Press d/M on the unit or remote control to play it. The first file of the folder will play.
yy USB Folders/Files are recognized as below.
Before you start the pairing procedure, make sure that the Bluetooth
feature is turned on in your Bluetooth device.
1. Press [FM/AUTO SCAN] on the remote control or [FUNC.] on the unit until FM appears in the display
FM antenna
1.Press [1 POWER] to turn on the unit or remote control.
The last received station is tuned in.
2. Select the (Bluetooth)
function by pressing [FUNC.] on the front of
the unit or button on the remote control.
2. - Auto tuning: Press [TUN.-/+] on the remote control or [TUNING -/+] on the unit for about 1
second until the frequency indication starts changing, then release. scanning stops when the unit
tunes in a station.
“ will blink to find a Bluetooth device on the display window.
- Manual tuning: Press [TUN.-/+] on the remote control or [TUNING -/+] on the unit repeatedly.
3. Adjust the volume by using [VOL +/-] on the remote control or the unit.
yy Be sure to fully extend the FM wire antenna before using the radio function.
yy Before tuning, make sure to turn down the volume.
Select “LG LH70B (XX)” on your Bluetooth device.
(XX) means the last two digits of BT address.)
yy Press d/M on the remote control. This will change the tuner from stereo to mono.
Then the FM reception will be better than before.
yy Depending on the Bluetooth device, you need to enter the PIN code (0000).
Presetting Radio Station
4. When this unit successfully paired with your Bluetooth device,
" “ will stop blinking.
5. Play music on your Bluetooth device.
Presetting the Radio Stations
1. Press [FUNC]on the remote control or [FUNC.] on the unit until FM appears in the display window.
2. Select the desired frequency by pressing [TUN.-/+] on the remote control or [TUNING -/+] on the unit.
3. Press [PROGRAM/MEMORY]. A preset number will blink in the display window.
4. Press [PROGRAM/MEMORY]. The station is saved.
5. Repeat steps 2 to 4 to store other stations. You can preset up to 50 stations for FM.
yy File will be played from $ file No.1 to $ file No.14 one by one.
6. To listen a preset station, press [PRESET/FOLDER +/-].
yy Sound from the main set can be distorted if you raise the volume of Bluetooth device up to two-thirds or more.
yy When you use the Bluetooth function, adjust the volume of a Bluetooth device to a proper level to listen to.
yy The Index number of folder will be presented in order recorded and may be presented differently according to
the recording circumstances.
yy *ROOT : The first screen you can see when a computer recognizes the USB is “ROOT”.
1. Press [FM/AUTO SCAN] on the remote control for longer than 2 seconds, all of the FM bands are scanned.
-- There is a obstacle between the unit and the Bluetooth device.-
2. Radio frequencies are saved automatically by preset number while FM bands are scanned.
-- There is a device using same frequency with Bluetooth® technology such as a medical equipment, a
microwave or a wireless LAN device.
3. To cancel the scanning, press Z or convert to other function. It will be cancelled.
yy 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 the case below :
yy You should connect your Bluetooth device to this unit again when you restart it.
Deleting a saved Preset station
yy Pairing is limited one Bluetooth device per one unit and multi-pairing is not supported.
1. Select a desired Preset by pressing [PRESET/FOLDER -/+] and press [DELETE] on the remote control.
yy When you select Bluetooth function again after changing to other functions, the last connected Bluetooth
device is connected automatically.
2. The selected Preset number will be blinked.
yy Depending on the type of the device, you may not be able to use the Bluetooth function.
3. Press [DELETE] on the remote control to erase the saved preset number.
yy Bluetooth connection will be disconnected when the unit is turned off or the Bluetooth device gets too far
from the unit.
Press and hold [DELETE] to erase all saved radio stations.
No Power
yy The power cord is not plugged in. Plug in the power
Bluetooth pairing does not work well.
Auto power down
yy Switch Bluetooth off and on again on your
Bluetooth device, then try pairing again.
heck whether electricity failed. Check the condition
yy C
by operating other electronic devices.
yy Be sure your Bluetooth device is on.
This unit will turn itself off to save electricity in the case
were the main unit is not connected to an external
device and is not used for 20 minutes.
No sound and sound distortion
yy The unit or your external device’s volume is set to
minimum. Check and adjust the volume of the unit.
yy When you use external device at high volume,
the sound quality may be deteriorated. Lower the
volume of device.
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.
The USB device does not start playback
yy An unplayable USB device is inserted. Check the USB
yy Check whether you selected right function. Pressing
[FUNC.] button and check the selected function.
Radio stations cannot be tuned in properly.
yy The antenna is positioned poorly. Adjust its position.
yy The signal strength of the radio station is too weak.
Tune to the station manually.
yy No stations have been preset or preset stations have
been cleared (when being tuned by scanning preset
channels). Refer to Presetting Radio Station.
The remote control does not work properly.
yy The remote control is not pointed at the remote
sensor of the unit. Point the remote control at the
remote sensor of the unit.
yy The remote control is too far from the unit. Operate
the remote control within about 23 ft (7 m).
yy There is an obstacle in the path of the remote
control and the unit. Remove the obstacle.
yy The battery in the remote control is exhausted.
Replace the battery with new one.
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.
The unit will also turn itself off 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.
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 When your Bluetooth device have been already
connected with other unit, disconnect the
Bluetooth connection first.
Turn off the unit.
Cleaning the unit
yy 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
Power Supply
-- Refer to the main label.
Power Consumption
-- 20 W
CAUTION: The apparatus shall not be exposed to water (dripping
or splashing) and no objects filled with liquids, such as vases, shall
be placed on the apparatus.
Product type:
-- 2.1 speaker system
Dimensions (W x H x D):
-- Satellite: Approx. 110 (W) mm x 201 (H) mm x 115 (D)
-- Subwoofer: 264 (W) mm x 370 (H) mm x 323 (D) mm
Net Weight:
-- Main Set : Approx. 5.44 kg
Speaker (1EA) : Approx. 0.64 kg
Operating Temperature:
-- 0 °C to 35 °C
-- 3.5mm stereo jack-male input jack
-- FM Tuning Range : 87.5 to 108.0 MHz or 87.50 to
108.00 MHz
-- Subwoofer: 6 (Ω)
-- Satellite: 8 (Ω)
Frequency response
-- Subwoofer: 55 Hz~ 104 Hz
-- Satellite: 40 Hz ≤ 20 kHz
Total Max. power
-- 70 W (THD : 10 %)
Signal to noise ratio
-- 75 dB
yy Design and specifications are subject to change
without notice.
WARNING: Do not install this equipment in a confined 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: 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.
CAUTION concerning the Power Cord
Most appliances recommend they be placed upon a dedicated
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.
The Power Plug is the disconnecting device. In case of an
emergency, the Power Plug must remain readily accessible.
NOTICE: For safety marking information including product
identification and supply ratings, please refer to the main label on
the bottom or rear of the apparatus.
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.
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