Replacement of Battery
Remove the battery cover on the rear of the remote control, and insert the battery with 
matched correctly. Risk of fire or explosion if the battery is replaced by an incorrect type
You can organize the cable with cable ties.
Connect the unit to the power supply with the supplied AC adapter.
Connecting the rear speakers
2. Connect the wireless receiver and the rear speakers (left, right) with the speaker cables.
LED indicator of wireless receiver
Setting up the wireless receiver for the first time
1. Connect the power cord to the wireless receiver to the outlet.
2. Turn on the main unit : The sound bar and wireless receiver will be automatically connected.
Manually pairing wireless receiver
When your connection is not completed, you can see the red LED on the wireless receiver and rear speakers are not made sound. To solve the problem, follow the below steps.
1. Press PAIRING on the rear of the wireless receiver
2. Turn on the main unit
You can enjoy magnificent surround sound for all the input sound source with rear speakers.
If you turn on the surround function, the whole speaker outputs sound.
When you turn off the surround function, the speakers output sound as an original input sound channel.
To turn on surround function, press and hold 
on the remote control for about 3 seconds and press it once again while "OFF - SURROUND" is scrolled.
To turn off surround function, press and hold on the remote control for about 3 seconds and press it once again while "ON - SURROUND” is scrolled.
Surround function ON
Surround function OFF
Ferrite core may not be provided depending on each nation's regulations.
Affix the Ferrite Core for speaker cables
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 speaker cables around the ferrite core twice.
3. Close the ferrite core until it clicks.
Note
When the wireless receiver is in standby mode, the LED will turn on in red.
Please connect with this unit and TV using the optical digital cable or HDMI cable considering the state of the TV.
1. Connect the OPTICAL 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 OPT/HDMI ARC by pressing F repeatedly. You can see “OPT” on the display window if connecting normally between this unit and your TV.
You can control some functions of this unit by your TV’s remote control with LG Sound Sync. It is compatible with the LG TV that is supported LG Sound Sync. Make sure of the LG Sound Sync logo on your TV. Controllable function by LG TV’s remote control : Volume up/down, mute Make one of the following connections, depending on the capabilities of your equipment.
LG Sound Sync with wired connection
1. Connect your LG TV to the unit by using an optical cable.
2. Set up the sound output of TV to listen to the sound through this unit :
( Refer to the TV’s instruction manual for the details of LG Sound Sync.)
3. Turn on the unit by pressing 
.
4. Select the input source to OPT/HDMI ARC by pressing F repeatedly.
You can see “LGOPT” on the display window if connecting normally between this unit and your TV.
LG Sound Sync with wireless connection
."PAIRED” appears on the display window for about 3 seconds and then you can see “LG TV” on the display window if connecting normally between this unit and your TV.
(Refer to the TV’s instruction manual for the details of LG Sound Sync.)
If you connect this unit to a TV that supports HDMI CEC and ARC (Audio Return Channel), you can enjoy the TV audio through the speakers of this unit without connecting the optical cable.
1. Connect the HDMI OUT (TV ARC) jack on the back of the unit to ARC jack on the TV using an HDMI cable.
2. Select the input source to OPT/HDMI ARC by pressing F repeatedly. You can see “ARC” on the display window if connecting normally between this unit and your TV.
ARC (Audio Return Channel) function
The ARC function enables an HDMI capable TV to send the audio stream to HDMI OUT of the unit.
To use this function :
- Your TV must support the HDMI-CEC and ARC function and the HDMI-CEC and ARC must be set to On.
- The setting method of HDMI-CEC and ARC may differ depending on the TV. For details about ARC function, refer to your TV manual.
- You must use the HDMI cable (Type A, High Speed HDMI™ cable with Ethernet).
- You must connect the HDMI OUT on the unit with HDMI IN of the TV that supports ARC function using an HDMI cable.
- You can connect only one Sound bar to TV compatible with ARC.
HDMI cable Checklist
Some HDMI cables have poor signal transmission, which can cause problems with sound and video transmission. Even after HDMI cable connections, if no sound, sound interrupted, noise occurring from the sound bar and/or no video, no smooth video on your TV, the HDMI cable may be the problem. Use the cable marked with the premium HDMI certification logo. We recommend using “High Speed HDMI Cable with Ethernet” or later version.
DOLBY ATMOS®
What is DOLBY ATMOS®?
Dolby Atmos gives you amazing experience you've never before by overhead sound, and all the richness, clarity and power of Dolby sound.
DTS:X®
What is DTS:X®
In the real world, sound is all around us, moving freely in any direction. DTS:X® is immersed in this natural, multi-dimensional sound experience as we go about our daily lives.
For using DOLBY ATMOS® and DTS:X®
1. Connect HDMI IN jack on the back of the unit to HDMI OUT jack on the external device such as Blu-ray disc player DVD player etc.
2. Connect HDMI OUT (TV ARC) jack on the back of the unit to HDMI IN (ARC) jack on the TV.
3. Select the input source to HDMI or OPT/HDMI ARC by pressing F repeatedly.
- If you select HDMI, you can hear the sound from the external device. Select it when playing the external device.
- If you select OPT/HDMI ARC, you can hear the sound from your TV. Select it when watching the TV.
You can see "DOLBY ATMOS” or "DTS:X" on the display window if connecting normally between this sound bar and your TV and the contents is played.
| Symptoms | Cause & Solution |
| The unit does not work properly. |
|
| No Power |
|
| No sound |
|
| The remote control does not work properly. |
|
| The AUTO POWER function does not work |
|
| LG Sound Sync does not work. |
|
| The unit does not connect with Bluetooth device | Turn off the Bluetooth connection lock function |
| When you feel the output sound of the unit is low | Check the details below and adjust the unit according to them.
|
| USB is not recognized. | Format the USB device and connect it again. When formatting the USB device, select the available file system. |
| Symptoms | Cause & Solution |
|---|---|
| Bluetooth device may malfunction or make noise in the following cases. |
|
| This device may have wireless interference. |
|
| Symptoms | Cause & Solution |
|---|---|
| Can not change input source with F such as BT (Bluetooth), HDMI etc. and only [DEMO] indication is showing in the front display | Unplug the power cord and plug it in again. If that doesn’t work, after setting the volume to minimum, press and hold F (About 5 seconds) on the main unit until the display indicates current selected function |
| Remote Control does not work. (No response) |
(Mute) or adjust the volume level to cancel the mute function.
