Greetings. I recently purchased a new Insignia TV (NS-50D55ONA15) and a LG sound bar (NB3740). I have Dish network (hopper) connected HDMI port 1 of TV, a Sony Blu-ray player to HDMI port 2 and the LG Smart Sound bar to HDMI port 3. The TV audio is connected to the sound bar via Optical...