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8.  SOUND SETTINGS
8.1  Audio sync
With the audio sync function, you can synchronize audio and 
video to make sure that no delay is heard from your video content.
1.  On the remote control, press and hold TV for more than three 
seconds and then, press  .
 J “SYNC” is displayed.
2.  Within ve seconds, press   or   on the remote control to 
adjust the audio delay and match with video.
 J The audio sync timing is displayed.
8.2  Smart mode
With the smart mode enabled by default, you can enjoy TV 
programs with rich sound effects. For TV programs such as 
news and weather forecasts, you can reduce sound effects by 
disabling the smart mode and switching to the standard mode.
Smart mode: EQ settings and JBL Surround Sound are applied 
for rich sound effects.
Standard mode: The preset EQ settings are applied for standard 
sound effects.
To disable the smart mode, do the following:
•  On the remote control, press and hold   for more than three 
seconds and then, press  .
 J You switch to another mode. “OFF SMART MODE”: The 
standard mode is enabled. 
 J Next time you switch on the soundbar, the smart mode is 
enabled again automatically.
8.3  PureVoice dialogue enhancement 
technology
By taking advantage of the PureVoice dialogue enhancement 
technology, the PureVoice allows you to enhance vocal clarity 
and easily hear and understand speech. 
By default, the PureVoice is enabled if you play movies from the 
TV/ HDMI IN source; and the PureVoice is disabled if you stream 
music over Bluetooth, Chromecast built-in, Alexa and AirPlay. 
To disable or enable the PureVoice mode,
•  On the remote control, press and hold   for more than ve 
seconds and then, press  .
 J “ON PUREVOICE”: The PureVoice is enabled. 
 J “OFF PUREVOICE”: The PureVoice is disabled. 
 J Next time you switch on the soundbar, the Purevoice is 
enabled again automatically.
9.  RESTORE FACTORY SETTINGS
By restoring the default settings dened at factories, you remove 
all your personalized settings from the soundbar.
•  On the soundbar, press and hold  ,   and   for more than 
5 seconds.
 J “RESET” is displayed.
 J The soundbar restarts.