SB 400 - JBL Audio Service Manual (repair manual). Page 8

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BLUETOOTH OPERATION
To wirelessly stream audio to the soundbar from a Bluetooth-enabled 
device:
1.  Confirm that the soundbar is in the Bluetooth pairing mode (the 
Bluetooth button LED will be flashing blue). If the LED is not flashing 
blue, press and hold the Bluetooth button until its LED begins to 
flash blue.
HDMI3
HDMI2
HDMI1
HDMI TV
Bluetooth Button
2.  Place the device in the pairing mode. Use the device’s Bluetooth 
pairing menu to pair it with the soundbar. (The soundbar will appear 
as “SB400” in the device’s menu.) If the device requires a passcode, 
use 0000.
3.  When the soundbar’s Bluetooth button LED illuminates constantly, 
it is paired with the device and you can stream audio via Bluetooth 
from the device to the soundbar.
To listen to audio from the Bluetooth device, press the Source button 
repeatedly until the Bluetooth Source Indicator LED illuminates (see 
Switching Sources, below).
To disconnect the Bluetooth device, press and hold the soundbar’s 
Bluetooth button until the LED begins flashing. To pair the soundbar 
with a different Bluetooth-enabled device, repeat Steps 1 – 3 with the 
new device.
Notes on Bluetooth operation:
•  You can manually switch sources to the paired Bluetooth device by 
pressing the soundbar’s Bluetooth button.
•  If you switch the soundbar to a different source while a paired 
Bluetooth device is streaming to the soundbar, the soundbar will 
send a Stop command and the Bluetooth device will stop streaming.
SWITCHING SOURCES
Press the soundbar’s Source button to cycle between the sources in 
the following order: Bluetooth, Aux, Optical, HDMI TV, HDMI 1, HDMI 2, 
HDMI 3, Bluetooth, etc. (The remote has an individual selector button 
for each source except Bluetooth.) The active source’s Source Indicator 
LED will illuminate. 
HDMI TV
HDMI1
HDMI2
HDMI3
OPTICAL
AUX IN
BLUETOOTH
Source Button
Source  
Buttons
 
ADJUSTING THE SYSTEM’S VOLUME
Press the soundbar’s or remote’s Volume + and – buttons to raise and 
lower the system’s volume one step at a time. Hold down the buttons 
to continuously raise or lower the volume.
HDMI TV
HDMI1
HDMI2
HDMI3
OPTICAL
AUX IN
BLUETOOTH
Volume Buttons
Volume Buttons
For the best sound, we recommend turning your TV’s built-in speakers 
off. Consult your TV’s owner’s manual to find out how to do this. 
MUTING THE SYSTEM
Momentarily press both of the soundbar’s Volume buttons at the same 
time, or press the remote’s Mute button to mute the system. (Both 
Volume indicators illuminate and the OSD displays the Mute icon.) 
Momentarily press either of the soundbar’s Volume buttons or press 
the remote’s Mute button again to un-mute the system. (The Volume 
indicators turn off.)
HDMI TV
HDMI1
HDMI2
HDMI3
OPTICAL
AUX IN
BLUETOOTH
Both Volume Buttons
Mute 
Button
CHANGING THE SURROUND MODE
Press the soundbar’s or remote’s Surround Mode indicator to switch 
the sound between normal stereo (the Surround Mode indicator lights 
white and the OSD displays “Music” as the sound mode) and HARMAN 
Display Surround (the Surround Mode indicator lights amber and the OSD 
displays “Movie” as the sound mode). The HARMAN Display Surround 
setting will produce a complete surround-sound experience for anyone 
sitting in front of and several feet away from the soundbar. Although it is 
particularly effective when watching movies, you can also try the HARMAN 
Display Surround setting for music.
HDMI TV
HDMI1
HDMI2
HDMI3
OPTICAL
AUX IN
BLUETOOTH
Surround Button
Surround 
Button
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