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Vive Pro Eye Calibration Initialization Error Troubleshooting Problem: Launching calibration shows error: "Initialization Failed" Solutions: - Run "EyeCalibration.exe" manually in C:\Program Files\VIVE\SRanipal\tools\eye_calibration - Power off/on PC & Link Box. - Run 'sr_runtime.exe' as Admin. Default install path: 'C:\Program Files (x86)\VIVE\SRanipal'. - Update SteamVR Runtime. - Update graphics card drivers. - Navigate to "Change User Account Control settings" via Windows Settings search or start menu search. Change to "Never Notify" and click "OK". - Possible issue with some models of MSI laptops fixed with rollback to earlier NVIDIA driver. Fresh install of NVIDIA driver 417.71 (GPU BIOS not being updated and it does not support the latest NVIDIA driver). - Uninstall 'VIVE_SRaniaplInstaller' & 'Tobii VRU02 Runtime'. Restart and Install latest 'VIVE_SRanipalInstaller_1.1.0.1.msi'. Plug in HMD and wait for any updates to complete. - Update motherboard integrated Intel Graphics Driver (fixes system reference to incorrect openCL.dll (intel) instead of NVidia). - Disable integrated graphic card - Possible issue with wireless adapter, try running calibration with wired. - Possible issues with early dev kits. Check System Requirements: - Use DisplayPort, mini-DisplayPort, or USB-C output from the dedicated GPU. - Windows 8.1 or later (64-bit). Problem: Error in logs: "This HMD doest NOT has eye-tracking feature, Error : -5" Solutions: - Launch "SR_Runtime" and start calibration or eye tracking application - Check Device Manager for "EyeChip" under "Universal Serial Bus Devices" - Check Services for "Tobii VRU02 Runtime" - Remove any other Tobii services installed - Disconnect any other eye tracking devices attached

Is it possible to spectate during the eye calibration from HTC? I use Unity and start the eye calibration by calling SRanipal_Eye_API.LaunchEyeCalibration() the HTC Eye Calibration is neither visible from the Unity game window nor being picked up from a screen recorder like unity recorder v2. I would like/I need to help participants (especially children!) during the calibration step, and it would be great if I can see what they see. It is also possible to change the language that the eye calibration screen uses programmatically? Thanks, @Corvus @Daniel_Y @zzy

@Corvus Is it possible to GET calibration data as byte array OR json (or any other data set) and SET it for different users via Unity app?