UHD/4K resolution in MOL2
RCU: Resolution Button
If you use 1.4 HDMI Cable or your TV don`t have 2.0 HDMI port (only 1.4), then are higher resolutions not supported. Please see picture.
With HDMI Cable 2.0 and UHD TV with 2.0 HDMI port are higher resolutions up to 3840x2160 (60HZ) possible.