Steps

1. Press the 主選單 button, then select [Settings].

2. Select [Sound] → [Speakers] → [TV Speakers] or [Audio System].
   

Notes

• To use multi-channel audio, connect to an external audio system compatible with Dolby Digital using an optical cable, and select [Audio System].
• [Audio System] must be selected to listen to 5.1 multi-channel audio.