18
TruFocus LIO+ Operator Manual
13102C-EN
Problem
Action
No illumination light
• Ensure that the illumination
connector is connected to
the console.
• Ensure that the special
function control is not
between detents.
• Check the bulb and replace,
if necessary.
Illumination light is too dim
• Ensure that the special
function control is not
between detents and that the
large aperture is selected.
• Adjust the console
illumination intensity
control.
The aiming beam is large or out of
focus on the patient’s retina
• Readjust your working
distance between the
TruFocus LIO+ headset and
the examination lens. The
aiming beam should be
sharply defined and at its
smallest diameter when in
focus.
