Optoma W311 User Manual - Page 3

Moisture Condensation

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8. Replacement parts When replacement parts are required, be sure that the replacement parts are specified by the manufacture. Unauthorized substitutions may result in fire, electric shock or other hazards. 9. Moisture Condensation Never operate this projector immediately after moving it from a cold location to a warm one. When the projector is exposed to such a change in temperature, moisture may condense on the lens and the crucial internal parts. To prevent the unit from possible damage, do not use the projector for at least 2 hours when there is an extreme or sudden change in temperature. 10. Warning ─ Not all projectors come with a lens cap. For your safety, if the projector is equipped with a lens cap please ensure to remove it before you turn on the projector. EN-3

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EN-3
8.
Replacement parts
When replacement parts are required, be sure that the replacement
parts are
specified by the manufacture. Unauthorized substitutions may
result in fire, electric
shock or other hazards.
9.
Moisture Condensation
Never operate this projector immediately after moving it from a cold
location to a warm one. When the projector is exposed to such a
change in temperature, moisture may condense on the lens and the
crucial internal parts. To prevent the unit from possible damage, do not
use the projector for at least 2 hours when there is an extreme or
sudden change in temperature.
10. Warning
─
Not all projectors come with a lens cap.
For your safety, if
the projector is equipped with a lens cap please ensure to remove it
before you turn on the projector.