下面這邊似乎要從電視裡面做設定,可以試試看 To enable chroma 4:4:4, set the mode to either Game or Graphics. Update: With the new firmware update PKG2.463.0010NAB, This TV now supports 4k @ 60Hz @ 4:4:4. To enable this, go to Home button - Settings - External Inputs - HDMI Signal Format - Enhanced (new).