LG Optical Audio or Multi-channel Audio Output

The Optical Digital Audio Output or HDMI/ARC Multi-channel Audio Output is available as PCM or Auto. DTS Audio is not supported on current LG Televisions.

• PCM - Used for simple systems, sound bars or 2.1 systems.
• Auto - Used for Dolby ^TM 5.1 systems.

To set the Sound Out mode, follow the steps below.

1.

Press the SMART button on the remote control and select Settings > SOUND > Sound Out, then press Wheel or Enter.

2.

Depending on the method of connection for external audio, this will be either: Optical Digital Audio Output (Optical cable) or HDMI/ARC (HDMI cable). Both of these can output either: 2 channel stereo sound (PCM) or multi-channel Dolby 5.1 digital sound.

3.

For either the Optical Digital Audio Output or HDMI/ARC Multi-channel Audio Output, select External Speaker and then select either PCM or Auto as the Digital Sound Out.

4.

To use an HDMI cable, HDMI 1 must be used on the TV, and the external sound system must support ARC (Audio Reverse Channel). Select  ARC Mode to ON.

5.

Select Close when finished.