Chapter 1
Preparation — Precautions for use
26 - ENGLISH
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Optical parts
The replacement cycle for the optical parts such as the LCD panel or polarization plate may become shorter even
if it is used for less than one year when the ambient temperature is high or in an environment with large amount of
dust or cigarette smoke. For details, consult your dealer.
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Light source
The light source of the projector uses laser diode, and has the following characteristics.
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Depending on the operating environment temperature, the luminance of the light source will decrease.
The higher the temperature becomes, the more the luminance of the light source decreases.
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The luminance of the light source will decrease by duration of usage.
If brightness is noticeably reduced and the light source does not turn on, ask your dealer to clean inside the
projector or replace the light source unit.
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Computer and external device connections
When connecting a computer or an external device, read this manual carefully regarding the use of power cords
and shielded cables as well.
