Names and functions of key
components
Head Display
a Focus Adjustment Dial
Adjusts the focus of the image on the head display by
changing the focal length of the optics (from 30 cm to
infinity).
b Head Display Cable
Connects the head display to the control box and
transmits power and video signals to the head display.
c Eyecup
When attached, prevents the head display from touching
the user's eye.
a
b
c
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