SB 400 - JBL Audio Service Manual (repair manual). Page 7

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6
USING YOUR SOUNDBAR SYSTEM
TURNING THE SOUNDBAR ON AND OFF
Set the soundbar’s Power switcn to the “On” position. Press the Power 
button on either the soundbar or the remote to turn the soundbar on. 
To put the soundbar in the Standby mode, press either Power button 
while the soundbar is on.
Power Button
Power Button
If you do not press the Power button, the soundbar will automatically 
go into the Standby mode approximately 10 minutes after the audio 
signal ceases. NOTE: If you have put the soundbar into the Standby 
mode by pressing the Power button, you must manually turn it on by 
pressing the Power button again. If the soundbar has automatically 
gone into the Standby mode 10 minutes after the audio signal has 
ceased, it will automatically turn itself on when it receives an audio 
signal at either input connection.
If you will be away from home for an extended period of time, or if 
you will not be using the soundbar for an extended period, set the 
soundbar’s Power switch to the “Off” position.
TURNING THE SUBWOOFER ON AND OFF
Set the subwoofer’s Power switch to the “On” position. Once the 
subwoofer and soundbar have been paired (see Pairing the Units 
for Wireless Operation, below) the subwoofer will turn on when the 
soundbar turns on and will remain on for approximately one minute 
after the soundbar enters the Standby mode, or for approximately 15 
minutes after the audio signal ceases.
If you will be away from home for an extended period of time, or if you 
will not be using the system for an extended period, set the subwoofer’s 
Power switch to the “Off” position.
PAIRING THE UNITS FOR WIRELESS OPERATION
After turning the soundbar and subwoofer on for the first time, you will 
need to “pair” the subwoofer and soundbar so they both operate at the 
same wireless frequency. To pair the units, press the Wireless Pairing 
switches on both units within 30 seconds of each other. The units will 
communicate with each other and operate at the same frequency.
PAIRING
PHASE
Soundbar 
Pairing Switch 
and LED
Subwoofer 
Pairing Switch 
and LED
NOTE: The maximum wireless operating distance between the 
soundbar and subwoofer is approximately 50 feet (15.3m).
ON-SCREEN INFORMATION DISPLAY
The soundbar’s on-screen information display (OSD) will appear on the 
screen of a TV connected to the HDMI ARC TV Out connector to verify 
operating status. The OSD will overlay on top of the TV’s video program 
for five seconds after you press a button on the soundbar or remote, 
then will disappear. (When you select an audio-only source connection 
(Aux, Optical, Bluetooth), the OSD information will overlay a JBL splash 
screen.)
HDMI 2
Music Mode
OSD 
Overlay
Current  
Source
Volume 
Status
Sound  
Mode
•  Mute: When the audio signal is muted, the OSD will display the 
following icon:
•  
Bluetooth: The OSD will disolay the following icons during 
Bluetooth operation:
In addition to the status information, the OSD will also display 
messages if the selected HDMI connection can’t be detected or if the 
video signal is lost.
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