Please follow the steps below to fix wrong colour performance under HDR mode. Thank you.
1. Switch projector to HDR mode by supplying projector HDR video content
2. Set projector under HDR mode with HDR video content
3. Use "Reset current picture mode" for HDMI1 interface under HDR mode
4. Use "Reset current picture mode " for HDMI2 interface under HDR mode
5. Use "Reset current picture mode" for USB interface under HDR mode
6. The issue should be fixed after following the steps above.