I would like to know more about Varjo Markers and Chroma key. Updated May 16, 2022 11:40 You can read about using Varjo Markers and Chroma key under Get to know your headset. More detailed technical information can be found on our Developer Portal. Refer to the sections on Varjo Markers and Chroma key. Related articles The headset shuts down automatically. The border between the focus and the peripheral areas doesn’t look smooth. The headset image does not update when I move. The screen flickers, or the image does not update smoothly on the headset displays. Varjo Base shows an error message.