2.“TV ARC” appears in the display window of the Soundbar main unit and the Soundbar plays TV sound.
•• If TV sound is inaudible, press the 
(Source) button on the remote control or on the top of the Soundbar to switch to “D.IN” mode. The screen displays “D.IN” and “TV ARC” in sequence, and TV sound is played.
•• If “TV ARC” does not appear in the display window of the Soundbar main unit, confirm that the
HDMI cable is connected to the correct port.
•• Use the volume buttons on the TV’s remote control to change the volume on the Soundbar.
NOTES•• HDMI is an interface that enables the digital transmission of video and audio data with just a single connector.
•• If the TV provides an ARC port, connect the HDMI cable to the HDMI IN (ARC) port.
•• We recommend you use a coreless HDMI cable if possible. If you use a cored HDMI cable, use one whose diameter is less than 0.55 inches (14 mm).
•• This function is not available if the HDMI cable does not support ARC.
•• When the audio in a broadcast is encoded in Dolby Digital and the “Digital Output Audio Format” on your TV is set to PCM, we recommend that you change the setting to Dolby Digital. When the setting on the TV is changed, you will experience better sound quality. (The TV menu may use different words for Dolby Digital and PCM depending on the TV manufacturer.)
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