Optoma W401 - Manual (Page 5)

5
English
Usage Notice
tions, those who are sleep deprived or under the influence of
alcohol should avoid utilizing the unit’s 3D functionality.
If you experience any of the following symptoms, stop viewing 3D ™
pictures immediately and consult a medical specialist: (1) altered
vision; (2) light-headedness; (3) dizziness; (4) involuntary move-
ments such as eye or muscle twitching; (5) confusion; (6) nausea;
(7) loss of awareness; (8) convulsions; (9) cramps; and/ or (10)
disorientation. Children and teenagers may be more likely than
adults to experience these symptoms. Parents should monitor
their children and ask whether they are experiencing these symp-
toms.
Watching 3D projection may also cause motion sickness, percep- ™
tual after effects, disorientation, eye strain and decreased postural
stability. It is recommended that users take frequent breaks to
lessen the potential of these effects. If your eyes show signs of
fatigue or dryness or if you have any of the above symptoms, im-
mediately discontinue use of this device and do not resume using
it for at least thirty minutes after the symptoms have subsided.
Watching 3D projection while sitting too close to the screen for ™
an extended period of time may damage your eyesight. The
ideal viewing distance should be at least three times the screen
height. It is recommended that the viewer’s eyes are level with the
screen.
Watching 3D projection while wearing 3D glasses for an extended ™
period of time may cause a headache or fatigue. If you experience
a headache, fatigue or dizziness, stop viewing the 3D projection
and rest.
Do not use the 3D glasses for any other purpose than for watch- ™
ing 3D projection. Wearing the 3D glasses for any other purpose
(as general spectacles, sunglasses, protective goggles, etc.) may
be physically harmful to you and may weaken your eyesight.
Viewing in 3D projection may cause disorientation for some view- ™
ers. Accordingly, DO NOT place your 3D PROJECTOR near open
stairwells, cables, balconies, or other objects that can be tripped
over, run into, knocked down, broken or fallen over.