9
Operation
13102C-EN
Adjusting the Fit
Fitting the headpiece
Adjusting the head size
Turn the knob on the strap at the back of the headpiece counter-clockwise
to enlarge the circumference of the strap enough to easily fit over your
head. Place the TruFocus LIO+ on your head. Turn the knob clockwise
until the TruFocus LIO+ fits securely.
Adjusting the height
Turn the knob at the top of the
headpiece until the headband is
comfortably positioned.
Adjusting the optical unit
While holding the optical unit, loosen the adjustment knob. This enables
you to move the optical unit up and down,
in and out, and tilt it forward and
backward. Make the necessary
adjustments to obtain a comfortable
view and tighten the knob to
secure the optical unit.
Example of cap style
headpiece
