Hitachi 8755H User Manual

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ENGLISH
On a horizontal surface
Suspended from the ceiling
• Keep a space of 30 cm or more between 
the sides of the projector and other objects 
such as walls.
• Consult with your dealer before a special 
installation such as suspending from a ceiling.
WARNING  ►Install the projector in a stable horizontal position.
►Place the projector in a cool place, and ensure that there is sufficient ventilation.
►Do not place the projector anyplace where it may get wet.
CAUTION  ►Avoid placing the projector in smoky, humid or dusty place.
►Position the projector to prevent light from directly hitting the projector’s 
remote sensor.
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: 1024×768
  a  Screen size (diagonal)
  b  Projection distance (±10%)
 c1 , c2  Screen height (±10%)
   
Screen size
(diagonal)
4 : 3 screen
16 : 9 screen
  
Projection distance 
Screen 
height
Screen 
height 
Projection distance 
Screen 
height 
Screen 
height 
min.
max.
min.
max.
inch m
m inch
m
inch cm inch cm inch
m inch
m
inch cm inch cm inch
30
0.8 0.9
34
.
4
4
6
5
2
.0
38
.
45
39
5
-1
0
40
.0 .2
46
.4
56
55
22
6
2
.3
50
.5
6
5
20
-2
-1
50
.3 .5
58
.8
70
69
27
8
3
.6
63
.9
76
64
25
-2
-1
60
.5 .8
70
2.
84
82
32
9
4
.9
76
2.3
9
77
30
-2
-1
70
.8 2.
8
2.5
98
96
38
4
2.3
89
2.7 07 90
35
-3
-1
80
2.0 2.4
93
2.8 2 0 43
2
5
2.6 02 3. 22 03 4
-3
-1
90
2.3 2.7 05 3.2 26 23 49
4
5
2.9 5 3.5 38 6 46
-4
-1
00 2.5 3.0 7 3.6 40 37 54
5
6
3.2 27 3.9 53 29 5
-4
-2
20 3.0 3.6 40 4.3 69 65 65
8
7
3.9 53 4.7 84 54 6
-5
-2
50 3.8 4.5 76 5.4 2 206 8
23
9
4.9 92 5.8 230 93 76
-6
-2
200 5. 6.0 235 7.2 282 274 08 30
2
6.5 256 7.8 307 257 0
-8
-3
250 6.4 7.5 294 9.0 353 343 35 38
5
8. 320 9.8 384 322 27 -10
-4
300 7.6 9.0 352 0.8 423 4 62 46
8
9.8 384 .7 46 386 52 -12
-5
b
a
b
c1
c1
c2
c2