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f The projection lens of the projector is thermally affected by the light from the light source, making the focus
unstable in the period just after switching on the power. The focus will stabilize after projection for more than 30
minutes has elapsed.
rDo not touch the surface of the projection lens with your bare hands.
The finger print or dirt on the projection lens surface may be projected enlarged to the projection surface.
rDLP chips
f The DLP chips are precision-made. Note that in rare cases, pixels of high precision could be missing or always
lit. Note that such phenomenon does not indicate malfunction.
f Directing a high-power laser beam onto the projection lens surface can damage the DLP chip.
rLight source
Laser is used as the light source of the projector, and it has the following characteristics.
f The luminance of the light source will decrease by duration of usage.
The time of usage for the luminance of the light source to become half is approximately 20 000 hours. 20 000
hours is the estimated duration, and it varies depending on individual differences and usage conditions.
If the light source goes off or the brightness reduces noticeably, ask your dealer about replacement of the light
source unit.
rComputer and external device connections
When connecting a computer or an external device, read related section of this document including the use of
power cords and shielded cables.
Disposal
To dispose of the product, ask your local authorities or dealer for correct methods of disposal.
Chapter 1 Preparation — Precautions for use
ENGLISH - 21
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