HTC VIVE - Headset and Link Box Operation; Headset Components and Adjustment

Headset and link box
Headset
About the VIVE headset
The headset is your window to the VR environment.
The headset has sensors that are tracked by the base stations.
The sensors on the headset are sensitive. Do not cover or scratch the sensor lenses, including
the proximity sensor.
Front and side
1 Camera lens
2 Tracking sensor
3 Headset button
4 Status light
5 Lens distance knob
7 Headset and link box