Vuzix Wrap 920AR - Manual (Page 24)

Note: Continue moving the eyewear through it full range of movement until the indicator bars stop
moving. The bars will not fill completely – this is normal.
 When the indicator bars stop moving, press the “Lock Calibration” button.
 Position the eyewear in the position where it will be used, upright, facing your
computer, and at eyelevel, and then press the “Set Zero” button.
The Set Zero button establishes the Tracker’s home or centered position. As you
move your head you will see the indicators and values in the Yaw, Pitch and Roll
indicators change to reflect movement and relative position to the Set Zero position.