I have an LG 55UH617Y TV (Purchased 2016). I recently got an Amazon Fire Stick 4K device. I'm trying to set up the TV to use the Fire Stick almost exclusively.
One of the use cases is to use it for music playback, and then I use Screen Saving -> Turn Display Off option to have the TV in "Audio Only" mode.
However, when I am using the Fire Stick 4K HDMI Input, "Energy Saving" is not available in Picture Options in the TV. I think this is because it put the HDMI input in "Deep HD" mode.
So, my questions are:
1) Is there a way to use energy saving options when the HDMI input is deep HD?
2) If not, is there a way to decline the "Input Detected : Switch to Deep HD" dialog? It only has a confirm option, and I tried all buttons on the remote and it never closed.