Asus Republic of Gamers Strix 27" HDR 170 Hz Gaming Monitor (White) - Manual (Page 14)

1-6 Chapter 1: Product introduction
1.3.5 Other Function(s)
• HDR
The monitor supports HDR format. When detecting HDR content, an "HDR ON"
message will pop up.
When displaying HDR content, the following function(s) are not available: ELMB
Sync, Sniper, GameVisual, Shadow Boost, Brightness, Contrast, ASCR, Aspect
Control, Blue Light Filter, Color Temp., Gamma, Saturation, Dynamic Dimming
(set as ON ).