> turns out the same values take different actual effect depending on the type of source you identify it as and "PC" is not what you want That is a subtle pitf

> turns out the same values take different actual effect depending on the type of source you identify it as and "PC" is not what you want That is a subtle pitfall indeed. LG also has this, where you can configure the icon (a small image) of your HDMI inputs in the UI. Turns out changing the icon to a PC will also change the signal processing algorithms.