Arrangement - Hitachi CP-X4020 Operating Manual

Arrangement

Refer to the illustrations and tables below to determine screen size and projection distance.
The values shown in the table are calculated for a full size screen: 1024 x 768
Screen size (diagonal)
a
c1 , c2 Screen height (±10%)
On a horizontal surface
a
Screen size
Projection distance
(diagonal)
min.
type
m m inch
(inch)
30 0.8 0.9 34
40 1.0 1.2 46
50 1.3 1.5 58
60 1.5 1.8 70
70 1.8 2.1 82
80 2.0 2.4 94
90 2.3 2.7 106
100 2.5 3.0 118
120 3.0 3.6 142
150 3.8 4.5 177
200 5.1 6.0 237
250 6.4 7.5 297
300 7.6 9.0 356 10.7 422 411 162
WARNING
and removing the projector with the mounting accessories to the service personnel.
CAUTION
Position the projector to prevent light from directly hitting the projector's remote sensor.
Projection distance (±10%)
b
4 : 3 screen
b
c1
Screen
height
max.
m inch cm inch
1.0 41 41 16
1.4 55 55 22
1.8 69 69 27
2.1 83 82 32
2.5 97 96 38
2.8 112 110 43
3.2 126 123 49
3.6 140 137 54
4.3 168 165 65
5.3 211 206 81
7.1 281 274 108
8.9 352 343 135
Suspended from the ceiling
sides of the projector and other objects such
as walls. Do not place or attach anything that
would block the lens or vent holes.
mounting accessories (
consult your dealer about your installation.
b
c2
Projection distance
Screen
height
min.
cm inch m inch
5 2 1.0 38
6 2 1.3 51
8 3 1.6 64
9 4 1.9 77
11 4 2.3 89
12 5 2.6 102
14 5 2.9 115
15 6 3.3 128
18 7 3.9 154
23 9 4.9 193
30 12 6.6 258
38 15 8.2 323
46 18 9.9 388 11.7 460 386 152
6
16) and service may
16 : 9 screen
c1
Screen
height
max.
m inch cm inch
1.1 45 39 15
1.5 60 51 20
1.9 76 64 25
2.3 91 77 30
2.7 106 90 35
3.1 122 103 41
3.5 137 116 46
3.9 153 129 51
4.7 183 154 61
5.8 229 193 76
7.8 306 257 101
9.7 383 322 127
c2
Screen
height
cm inch
-1 0
-2 -1
-2 -1
-2 -1
-3 -1
-3 -1
-4 -1
-4 -2
-5 -2
-6 -2
-8 -3
-10 -4
-12 -5