Setting Up; Arrangement - Hitachi CP-RX79 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)
0.8 0.9
30 35
1.0 1.2
40 47
1.3 1.5
60
50
1.5 1.8
72
60
1.8 2.1
70 84
2.0 2.4
96
80
2.3 2.8
90 108
2.5 3.1
120
100
3.0 3.7
145
120
3.8 4.6
181
150
5.1 6.1
242
200
6.4 7.7
250 303
7.6 9.2 364 11.2 439 392 154
300
b Projection distance (±10%)
• 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 specied
mounting accessories (
be required. Before installing the projector,
consult your dealer about your installation.
4 : 3 screen
b
c1
Screen
height
max.
m inch cm inch
1.1
43 39 15
1.5
58 52 21
1.8
72
65 26
2.2
87
78 31
2.6
102 91 36
3.0
116 105
41
3.3
131 118 46
3.7
146 131
51
4.4
175 157
62
5.6
219 196
77
7.4
292 261 103
9.3
366 327 129
Suspended from the ceiling
c2
Projection distance
Screen
height
min.
cm inch m inch
1.0
7 3 39
1.3
9 3 52
1.7
65
11 4
2.0
78
13 5
2.3
15 6 92
2.7
105
17 7
3.0
20 8 118
3.3
131
22 9
4.0
158
26 10
5.0
198
33 13
6.7
264
44 17
8.4 330 10.1 398 304 120
54 21
10.1 396 12.2 478 365 144
65 26
Setting up
61) and service may
16 : 9 screen
b
c1
Screen
height
max.
m inch cm inch
1.2 36 14
47
1.6 49 19
63
2.0 61 24
79
2.4 73 29
95
2.8 85 34
111
3.2 97 38
127
3.6 143 109 43
4.0 159 122 48
4.8 191 146 57
6.1 239 182 72
8.1 319 243 96
c2
Screen
height
cm inch
1 0
1 0
1 1
2 1
2 1
2 1
3 1
3 1
4 1
4 2
6 2
7 3
9 4
7