Hitachi 8755H Projector User Manual


 
3
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 sufcient 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 1.1 41 41 16 5 2 1.0 38 1.1 45 39 15 -1 0
40 1.0 1.2 46 1.4 56 55 22 6 2 1.3 50 1.5 61 51 20 -2 -1
50 1.3 1.5 58 1.8 70 69 27 8 3 1.6 63 1.9 76 64 25 -2 -1
60 1.5 1.8 70 2.1 84 82 32 9 4 1.9 76 2.3 91 77 30 -2 -1
70 1.8 2.1 81 2.5 98 96 38 11 4 2.3 89 2.7 107 90 35 -3 -1
80 2.0 2.4 93 2.8 112 110 43 12 5 2.6 102 3.1 122 103 41 -3 -1
90 2.3 2.7 105 3.2 126 123 49 14 5 2.9 115 3.5 138 116 46 -4 -1
100
2.5 3.0 117 3.6 140 137 54 15 6 3.2 127 3.9 153 129 51 -4 -2
120
3.0 3.6 140 4.3 169 165 65 18 7 3.9 153 4.7 184 154 61 -5 -2
150
3.8 4.5 176 5.4 211 206 81 23 9 4.9 192 5.8 230 193 76 -6 -2
200 5.1 6.0 235 7.2 282 274 108 30 12 6.5 256 7.8 307 257 101 -8 -3
250 6.4 7.5 294 9.0 353 343 135 38 15 8.1 320 9.8 384 322 127 -10 -4
300 7.6 9.0 352 10.8 423 411 162 46 18 9.8 384 11.7 461 386 152 -12 -5
b
a
b
c1
c1 c2
c2