A:AnswerReplace the HDMI cable with a higher quality one. PCM means pulse code modulation. The JBL soundbar is telling you that information is dropping because the HDMI is faulty or defective. Think "leaky or faulty pipe". The HDMI cable is the pipeline carrying digital information, some of that digital information is getting corrupted and the sound bar is telling you that
A:AnswerThanks for providing your feedback on our JBL Bar products. We're always looking for ways to improve. We'd like to work with you directly, please reach out to our Customer Support. https://support.jbl.com/us/en/
A:AnswerJBL Bar 5.1 has remote learning feature that you can set up so you can control the soundbar using your TV remote. Check out the set up instructions on page 9 of the Owner's Manual here: http://bit.ly/2tAY4H7
A:AnswerPlease reach out to our Customer Support if you need assistance with product recommendations and set up. We're here to help. https://www.jbl.com/support-contact.html