Setting Up; Arrangement - Hitachi CP-RX80 - XGA LCD Projector User Manual

Setting up

Install the projector according to the environment and manner the projector will be
used in.

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
a Screen size (diagonal)
c1 , c2 Screen height (±10%)
On a horizontal surface
a
Screen size
Projection distance
(diagonal)
min.
type
m m inch
(inch)
30 0.8 0.8 33
40 1.0 1.1 45
50 1.3 1.4 56
60 1.5 1.7 68
70 1.8 2.0 80
80 2.0 2.3 91
90 2.3 2.6 103
100 2.5 2.9 114
120 3.0 3.5 137
150 3.8 4.4 172
200 5.1 5.8 230
250 6.4 7.3 287
300 7.6 8.8 345 10.5 414 381 150
b Projection distance (±10%)
4 : 3 screen
b
c1
Screen
height
max.
m inch cm inch
1.0 40 38 15
1.4 54 51 20
1.7 68 64 25
2.1 82 76 30
2.4 96 89 35
2.8 110 102 40
3.1 123 114 45
3.5 137 127 50
4.2 165 152 60
5.2 207 191 75
7.0 276 254 100
8.8 345 318 125
Suspended from the ceiling
• Keep a space of 30 cm or more between the
sides of the projector and other objects such
as walls.
• For the case of installation in a special
state such as ceiling mount, the specified
mounting accessories (63) and service may
be required. Before installing the projector,
consult your dealer about your installation.
c2
Projection distance
Screen
height
min.
cm inch m inch
8 3 0.9
10 4 1.2
13 5 1.6
15 6 1.9
18 7 2.2
20 8 2.5
23 9 2.8 112
25 10 3.2 124
30 12 3.8 150
38 15 4.8 187
51 20 6.4 250
64 25 8.0 313
76 30 9.5 376 11.5 452 353 139
16 : 9 screen
b
c1
Screen
height
max.
m inch cm
36 1.1 44 35
49 1.5 59 47
62 1.9 74 59
74 2.3 89 71
87 2.7 104 82
99 3.0 119 94
3.4 135 106
3.8 150 118
4.6 180 141
5.7 225 176
7.6 301 235
9.6 376 294 116
Setting up
c2
Screen
height
inch cm inch
14 2 1
19 3 1
23 3 1
28 4 2
32 5 2
37 6 2
42 6 2
46 7 3
56 8 3
69 10 4
93 14 5
17 7
21 8
7