How to Set Up Saiyin Soundbar with Roku TV via Optical and HDMI ARC Cable DS6401S

Set Up via Optical: Please Switch soundbar to optical mode by pressing OPT on remote and the soundbar indicator will light on purple color; Please set TV audio ouput to optical and output format to Stereo. Set Up via HDMI ARC: Please Switch soundbar to ARC mode by pressing ARC on remote and the soundbar indicator will light on white color; Please set TV audio ouput to HDMI(ARC )and output format to Stereo. Please reach out to us via support @sineaudio.com.cn if you need any help and all emails will be replied within 12 hours!