
Replacement of battery

Remove the battery cover on the rear of the remote control, and insert battery with
and
matched correctly.


1. Standby LED (Red)
2. Function LED (White)
3. Remote sensor
4. The buttons are located on the rear.

1.
(Volume) : Adjusts volume level
F (Function) : Selects the function.
(Standby)
2.
(USB) : Connect to a USB device.
3. PORT.IN (Portable) : Connect to a Portable device.
4. OPT. IN (Optical) : Connect to an Optical device.

Note
(Mute) button, standby LED (Red) blinks slowly.
) button continually, standby LED (Red) blinks quickly.Useful functions for using the unit
|
Function |
Description |
To do |
Do this |
|
TV Remote On/ Off (Page 20) |
It allows you to control the volume of this unit by your TV remote control even by other company’s product. Initial setting of this function was set to on. |
ON |
Press and hold DRC ON on the remote control for about 2 seconds. The standby LED (Red) blinks once. |
|
OFF |
Press and hold DRC OFF on the remote control for about 2 seconds. The standby LED (Red) blinks once. |
||
|
BT Lock On/Off (Page 24) |
It allows you to connect a Bluetooth deivce only on Bluetooth functions. Initial setting of this function was set to off. |
ON |
Press and hold AUTO POWER ON on the remote control for about 2 seconds in Bluetooth function. The standby LED (Red) blinks once. |
|
OFF |
Press and hold AUTO POWER OFF on the remote control for about 2 seconds in Bluetooth function. The standby LED (Red) blinks once. |
||
|
Auto Power On/Off (Page 21) |
It allows the unit to turn on and off automatically by input signals : Optical or Bluetooth. Initial setting of this function was set to on. |
ON |
Press AUTO POWER ON on the remote control. The standby LED (Red) blinks once. |
|
OFF |
Press AUTO POWER OFF on the remote control. The standby LED (Red) blinks once. |
You can hear the sound by connecting the unit to the other device : TV, Blu-ray disc player, DVD player, etc.
Place the unit in front of the TV and connect it to the device you want. (Page 14 - 17)
You can place the wireless subwoofer anywhere in your room. But it is better to place the subwoofer near the main unit. Turn it slightly toward the center of the room to reduce the wall reflections.

Caution
Note
For the convenient button usage, it is recommended to have some distance between the soundbar and your TV when you install the sound bar.
You can mount the main unit on a wall.

Caution Because it is difficult to make a connection after installing this unit, you should connect the cables before installation.
Preparation materials

1. Match the TV’s BOTTOM EDGE of Wall bracket install guide with the bottom of TV and attach to the position.

2. When you mount it on a wall (concrete), use the wall plugs. You should drill some holes. A guide sheet (Wall bracket install guide) is supplied to drill. Use the sheet to check the point to drill.

3. Remove the Wall bracket install guide.
4. Fix the brackets with screws (A) as shown in the illustration below.

Note
Screws (A) and Wall Plugs are not supplied for mounting the unit. We recommend the Hilti (HUD-1 6 x 30) for the mounting.
5. Put the unit on the brackets to match screw holes on the bottom of the unit.

6. Fix the unit with the screws firmly.

Note
To detach the unit, perform it in reverse order.
Caution
LED indicator of wireless subwoofer
|
LED Color |
Status |
|
Green (Blink) |
The connection is trying. |
|
Green |
The connection is completed. |
|
Red |
The wireless subwoofer is in standby mode or the connection failed. |
|
Off (No display) |
The power cord of wireless subwoofer is disconnected. |
Setting up the wireless subwoofer for the first time
1. Connect the power cord of the sound bar and the wireless subwoofer to the outlet.
2. Turn on the sound bar. The sound bar and the wireless subwoofer will be automatically connect.
Manually pairing wireless subwoofer
When your connection is not completed, you can check red LED on the wireless subwoofer and the wireless subwoofer does not make sound. To solve the problem, follow the steps below.
1. Press Pairing on the rear of the wireless subwoofer.

- The green LED on the rear of the wireless subwoofer blinks quickly. (If the yellow green LED does not blink, press and hold the Pairing.)
2. Turn on the main unit.
3. Pairing is completed.
- The green LED on the rear of the wireless subwoofer turns on.
Note
- There is an obstacle between the main unit and the wireless subwoofer.
- There is a device using same frequency with this wireless connection such as a medical equipment, a microwave or a wireless LAN device.
- Keep the sound bar and the subwoofer away from the device (ex. wireless router, microwave oven, etc.) over 1 m (3.3 ft) to prevent wireless interference.

Ferrite core may not be provided depending on each nation’s regulations.
Affix the ferrite core for power cord
You must affix a ferrite core in order to reduce or eliminate electrical interference.
1. Pull the stopper [a] of the ferrite core to open.
2. Wind the power cord around the ferrite core twice.
3. Close the ferrite core until it clicks.

Using an OPTICAL cable
1. Connect the OPT. IN jack on the back of the unit to OPTICAL OUT jack on the TV using an OPTICAL cable.

2. Select the input source to Optical by pressing OPTICAL on the remote control or F repeatedly.
You can see OPTICAL LED turns on. Then optical function is selected.
Note
[Sound]
[TV Sound output]
[External speaker (Optical)]OPT. IN connection
Connect an optical output jack of external devices to the OPT. IN jack.

1. Connect the OPT. IN jack on the back of the unit to OPTICAL OUT jack of your external device.
2. Select the input source to Optical by pressing OPTICAL on the remote control or F repeatedly. You can see OPTICAL LED turns on. Then optical function is selected.
3. Listen to sound.
Note
Before connecting the optical cable, be sure to remove the protection plug cover if your cable has the cover.
PORT. IN connection

Listening to music from your portable player
The unit can be used to play the music from many types of portable players or external devices.
1. Connect the portable player to the PORT. IN connector of the unit by using 3.5 mm stereo cable.
2. Select the input source to PORTABLE by pressing F repeatedly. You can see PORTABLE LED turns on. Then PORTABLE function is selected.
3. Turn on the portable player or external device and start playing it.
USB connection
Connect USB memory device to the USB port on the back of the unit.

For more information of playing files on a USB, refer to the page 20.
Removing the USB Device from the unit.
1. Choose a different function/mode.
2. Remove the USB device from the unit.
Compatible USB devices
USB device requirement
- External HDD
- Card readers
- Locked devices
- Hard type USB devices
- USB hub
- Using USB extension cable
- iPhone/iPod/iPad
- Android device
Playable file
Sampling Frequency
MP3 : within 32 to 48 kHz
WMA : within 32 to 48 kHz
Bitrate
MP3 : within 80 to 320 kbps
WMA : within 56 to 128 kbps
Note

to file by
one by one.USB operation
1. Connect the USB device to the USB port.
2. Select the input source to USB by pressing F repeatedly.You can see USB LED turns on. Then USB function is selected.
|
To |
Do this |
|
Playback |
Press |
|
Pause |
During playback, press the |
|
Skip to the next/ previous file |
During playback, press Playing less than 2 seconds, press Playing after 3 seconds, press |
|
Search for a section within a file |
Press and hold |
|
Resume playback |
This unit memorizes a current song which is played before changing the function or turning off the unit. |
Note
DRC (Dynamic Range Control)
Make the sound clear when the volume is turned down and prevent sudden increase of sound (Dolby Digital only). This function turns on or off when you press DRC ON/OFF.
Turn off the sound temporarily
Press
(Mute) to mute your unit.
To cancel it, press
(Mute) again on the remote control or change the volume level.
Using your TV remote control
You can control some functions of this unit by your TV remote control even by other company’s product. Controllable functions are volume up/down and mute.
Press and hold DRC ON on the remote control for about 2 seconds. The standby LED blinks once. And then this functions is enabled.
To turn off this function, press and hold DRC OFF about 2 seconds. The standby LED blinks once. And then this functions is disabled.
Note
|
LG |
Panasonic |
Philips |
Samsung |
|
Sharp |
Sony |
Toshiba |
Vizio |
Auto display Dimmer
Function LED will be darkened automatically if there is no key input for 15 seconds.
When you press any button, the Function LED will be brighten.
Auto power down
This unit will turn itself off to save electric consumption if the main unit is not connected to an external device and has not been used for 15 minutes.
This unit also turns off after six hours if the Main unit has been connected to another device using the analog input. (Ex : Portable, etc..)
AUTO POWER On/Off
This unit automatically turns on by an input source : Optical or Bluetooth.
When you turn on your TV or an external device connected to this unit, this unit recognizes the input signal and select the suitable function. You can hear the sound from your device.
If you try to connect your Bluetooth device, this unit turns on and the unit will be connected your Bluetooth device.
This function turns on or off you press AUTO POWER ON/OFF.
Note
Auto function change
This unit recognizes input signals such as Optical, Bluetooth and Portable and then changes suitable function automatically.
When optical signal comes in
When you turn on the external device connected to this unit by an optical cable, this unit change the function to optical. You can hear the sound from your device.
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 3.5 mm stereo cable is connected
When you connect your portable device using a 3.5 mm stereo cable, this unit changes the function to Portable. You can hear the music from your device.
Note
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.
Bluetooth Profiles
In order to use Bluetooth wireless technology, devices must be able to interpret certain profiles. This unit is compatible with following profile. A2DP (Advanced Audio Distribution Profile)
Listening to music stored on the Bluetooth devices
Pairing your unit and Bluetooth device
Before you start the pairing procedure, make sure that the Bluetooth feature on your smart device is turned on. 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 input source to Bluetooth by pressing F repeatedly.
- Bluetooth LED will blink.
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 SJ2 (XX)”.
Note
3. When this unit is successfully connected with your Bluetooth device, Bluetooth LED will turn on.
4. Listen to music. To play a music stored on your Bluetooth device, refer to your Bluetooth device’s user guide.
Note
- There is an 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.
Note
/
(Skip) and
(Play/Pause) buttons on the remote control.BLUETOOTH connection lock (BT lock)
You can limit Bluetooth connection to only Bluetooth function to prevent unintended Bluetooth connection.
Press and hold AUTO POWER ON on the remote control for about 2 seconds to turn on this function in Bluetooth function. The standby LED blinks once. And then this functions is enabled.
To turn off this function, press and hold AUTO POWER OFF on the remote control for about 2 seconds in Bluetooth function. The standby LED blinks once. And then this functions is disabled.
Note
Even if you set up Bluetooth connection lock to On, this sound bar turns on by Auto Power function. Turn off Auto Power function to prevent it. (Page 21)
Setting the surround mode
This system has two pre-set surround sound fields. You can select a desired sound mode by using each sound mode button.
|
Sound effect |
Description |
|
STANDARD |
You can enjoy optimized sound. |
|
BASS BLAST |
Reinforces the bass and powerful sound. |
Note
Adjust the woofer level settings
You can adjust the sound level of subwoofer as your preference.
Press WOOFER LEVEL
on the remote control to adjust woofer level.
Note
When the subwoofer level reaches maximum or minimum, standby LED (Red) on the main unit turns on for 2 seconds.
|
PROBLEM |
CAUSE & CORRECTION |
|
The unit does not work properly. |
|
|
No Power |
|
|
No sound |
|
|
No woofer sound |
|
|
The remote control does not work properly. |
|
|
The AUTO POWER function does not work. |
|
|
The unit does not connect with Bluetooth device |
|
|
When you feel the output sound of the unit is low. |
Check the details below and adjust the unit according to them.
|
|
PROBLEM |
CAUSE & CORRECTION |
|
This device may have wireless interference. |
|
|
Bluetooth device may malfunction or make noise in the following cases. |
|
Reference file: LG Electronics SJ2 160W 2.1 Channel Sound Bar with Bluetooth® Connectivity
Additionally, the document applies to other LG Electronics models: SPJ2B-W