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Runco CL-810 Owner’s Operating Manual
Installation
Ambient Light ➤
In general, minimize or eliminate light sources directed at the screen. Contrast ratio
in your images will be noticeably reduced if light directly strikes the screen, such as
when a shaft of light from a window or floodlight falls on the image. Images may then
appear washed out and less vibrant.
Other considerations and tips that can help improve your installation:
• Keep the ambient temperature constant and below 35°C (95°F). Keep the projector
away from heating and/or air conditioning vents. Changes in temperature may
cause drifts in the projector circuitry, which may affect performance.
• Keep the projector away from devices that radiate electromagnetic energy such
as motors and transformers. Common sources of these include slide projectors,
speakers, power amplifiers and elevators.
Throw distance is the distance measured from your projector’s lens to the screen. This
is an important calculation in any projector installation as it determines whether or not
you have enough room to install your projector with a desired screen size and if your
image will be of the right size for your screen.
You can quickly estimate the throw distance by taking the width of the screen and
multiplying it by the lens throw ratio. (The CL-810 has a lens throw ratio of between
1.82 and 2.43.)
Other Considerations ➤
Throw Distance ➤
The result of this calculation tells you roughly how far back the projector should be
positioned from the screen in order to project a focused image large enough to fill
the screen.
For example, with an 8-foot (96-inch) wide screen (the maximum recommended screen
width for this projector), the CL-810 has a throw distance range of between 174.72
inches (4.44 meters) and 233.28 inches (5.93 meters).