4. Installation
4.4
Positioning the projector
On-Axis projection
Projection where the projector is positioned so as to have the centre of the lens coinciding with the centre of the screen.
Positioning the projector
The position of the projector with reference to the screen may also be different depending on the installation. Basically the projector
can be positioned in an On-Axis or Off-Axis con
fi
guration. Several parameters can be calculated determining the position in any
installation.
P
P D
x
F
a
b
c
S
S
B
S H
S W
S H
S W
F
C D = S H /2 + B -A
A
re
f.
: F
ront plat
e
Image 4-10
ON-Axis projector installation
a
Side view
b
Top view
c
Back view
x
Optical axis projection lens
p
Projector
s
Screen
F
Floor
20
R59770121 NH-12 04/05/2011
Summary of Contents for Galaxy NH-12
Page 1: ...NH 12 User Guide R9010610 R59770121 06 04 05 2011...
Page 8: ...Table of contents 4 R59770121 NH 12 04 05 2011...
Page 10: ...1 Introduction 6 R59770121 NH 12 04 05 2011...
Page 16: ...3 Installation guidelines 12 R59770121 NH 12 04 05 2011...
Page 54: ...5 Setup 50 R59770121 NH 12 04 05 2011...
Page 56: ...6 Getting started 52 R59770121 NH 12 04 05 2011...
Page 93: ...7 Advanced Image 7 68 Image 7 69 Image 7 70 R59770121 NH 12 04 05 2011 89...
Page 139: ...7 Advanced Image 7 147 Image 7 148 Image 7 149 Image 7 150 R59770121 NH 12 04 05 2011 135...
Page 162: ...7 Advanced 158 R59770121 NH 12 04 05 2011...
Page 174: ...8 Maintenance Image 8 24 Installing the rear cover step 5 170 R59770121 NH 12 04 05 2011...
Page 184: ...9 Troubleshooting 180 R59770121 NH 12 04 05 2011...
Page 188: ...Glossary 184 R59770121 NH 12 04 05 2011...