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Installation
16
Q-750d Ultra Series Installation/Operation Manual
PRE
L
IMINAR
Y
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.
Throw Distance
Throw distance is the distance measured from the front of the projector 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 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; see Figure 3-1. 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.
Figure 3-1. E
s
timating Throw Di
s
tance
➤
➤
Estimating Throw Distance
Throw Di
s
tance (TD) =
S
creen Width (w) x Len
s
Throw Ratio
S
creen w
idth (w)
TD
Содержание Quantum Color Q-750d Series
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Страница 14: ...Table of Contents xiv Q 750d Ultra Series Installation Operation Manual P R E L I M I N A R Y Notes ...
Страница 100: ...Operation 84 Q 750d Ultra Series Installation Operation Manual P R E L I M I N A R Y Notes ...
Страница 124: ...External Control 108 Q 750d Ultra Series Installation Operation Manual P R E L I M I N A R Y Notes ...
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Страница 134: ...Runco International 800 23RUNCO Fax 503 748 8161 www runco com 020 1159 00 Rev B November 2011 ...