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HDMI INPUT AUDIO FORMAT
Press > > Sound > Additional Settings > HDMI Input Audio Format
You can set the audio format for each HDMI input. When the voice delivered
through the HDMI port is not synchronized, set it to PCM.
LG SOUND SYNC
Press > > Sound > Additional Settings > LG Sound Sync
Connect the LG Sound Sync device to the optical digital input port and set
Sound Out to Optical.
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By setting this feature to On, you can adjust the volume of the
connected LG Sound Sync device using a TV remote control.
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If the auto-power feature of the sound bar that supports LG Sound Sync
is set to On, the sound bar will be turned on or off together when the
TV is turned on or off.
SETTING DIGITAL SOUND OUT
Press > > Sound > Additional Settings > Digital Sound Out
You can configure the Digital Sound Out settings.
This setting is only available when Settings > All Settings icon > Sound >
Sound Out is set to Optical/HDMI ARC.
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When Pass Through is enabled, sound effects may not be output.
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The codec output with a device may differ from input signals.
Dolby Atmos :
Some models may not be supported.
SETTINGS - SOUND (Cont.)