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If the DTrack indicator is not green please make sure that DTrack is running and that the Output settings in DTrack and the port number configured for the LPVR driver are correct and agree. If you are working in a restricted IT environment, you may have to select “act as router for tracking output” in DTrack’s output settings.
If the indicator for the platform IMU is red, make sure its USB cable is connected and restart Varjo Base. We discuss its setup in detail further down.
If the headset IMU indicator is red, please restart Varjo Base. If it remains red, please make sure Varjo Base doesn’t display any errors.
In order to facilitate isolating f
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| title | Detailed Validation Steps |
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If the system misbehaves it may be useful to look in more detail to isolate which part is failing. In particular the motion can be subdivided into the following parts which can be validated separately. The headset reacts to rotations: Stop the DTrack measurement. If you now rotate the headset, the VR scene should rotate accordingly. Positional data is transferred correctly: Start the DTrack measurement again. Moving the headset without rotation yields the expected motion. E.g. moving the headset vertically leads to a corresponding shift of the VR scene. The tracking body for the headset is calibrated correctly, in particular, the rotation of IMU and tracking body are matched. To verify this, make sure that the DTrack measurement is running and the data is flowing as in the two previous steps. The rotations should appear smooth. Miscalibrations can lead to rotational jumps or other artefacts. Platform IMU data is received and incorporated: rotating the Platform IMU leads to a response in the VR scene. Before calibration, rotation axes may not match.
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