Asus Republic of Gamers Swift 27" 4K HDR 160 Hz Gaming Monitor - Manual (Page 14)

1-6 Chapter 1: Product introduction
1.3.5 HDR
The monitor supports HDR format. When detecting HDR content, an "HDR ON"
message will pop up and display in the OSD menu.
When displaying HDR content, the following function(s) are not available: ELMB,
GameVisual, Shadow Boost, Brightness, Contrast, ASCR, Dynamic Dimming,
Blue Light Filter, Color Temp., Gamma, Saturation.