LG LAC550H, Owner'S Manual

Connecting

12

C

onnecting

2

Wireless subwoofer 

connection

LED indicator of wireless subwoofer

LED Color

Status

Yellow-green 
(Blink)

The connection is trying. 

Yellow-green

The connection is completed.

Red

The wireless subwoofer is 
in standby mode or the 
connection is 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 wireless 

subwoofer to the outlet.

2.  Turn on the main unit : The main unit and 

wireless subwoofer will be automatically 
connected. 

Manually pairing wireless subwoofer

When your connection is not completed, you can 
see the red LED or the blinking of yellow-green LED 
on the wireless subwoofer and the subwoofer does 
not make sound. To solve the problem, follow the 
below steps.
1.  Adjust volume level of the main unit to 

minimum.

-

”VOL MIN” appears on the display window.

2.  Press and hold 

(Mute) on the remote control 

for about 3 seconds.

-

“WL RESET” appears on the display window 
briefly and Red LED on the main unit is 
blinking

3.  If the LED of the wireless subwoofer already 

blinks in yellow-green continually, you can skip 
this step.

Press and hold 

PAIRING

 on the back of the 

wireless subwoofer for more than 5 seconds.

-

The LED of the wireless subwoofer lights up 
alternately in red and yellow-green.

4.  Disconnect the power cord of the main unit 

and the wireless subwoofer.

5.  Connect them again after the LED of the main 

unit and the wireless subwoofer is fully turned 
off.

The main unit and the wireless subwoofer will 
be paired automatically when you turn on the 
main unit.

-

When the connection is completed, you can 
see the yellow-green LED on the subwoofer.

y

It takes a few seconds (and may take longer) 
for the main unit and the subwoofer to 
communicate with each other and make 
sounds.

y

The closer the main unit and the subwoofer, 
the better sound quality. It is recommended 
to install the main unit and the subwoofer 
as close as possible and avoid the cases 
below.

-

There is a obstacle between the main 
unit and the subwoofer.

-

There is a device using same frequency 
with this wireless connection such as a 
medical equipment, a microwave or a 
wireless LAN device.

,

Note