Arrangement, On a horizontal surface suspended from the ceiling – Dukane Data Video Projector 8923H User Manual
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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. Do not
place or attach anything that would block the lens or
vent holes.
• For the case of installation in a special state such
as ceiling mount, the specified mounting accessories
(16) and service may be required. Before installing
the projector, consult your dealer about your installation.
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.
► Use only the mounting accessories the manufacturer specified, and leave installing
and removing the projector with the mounting accessories to the service personnel.
► Read and keep the user's manual of the mounting accessories used.
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.
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.
type
(inch) m
m inch
m
inch cm inch cm inch
m inch
m
inch cm inch cm inch
30
0.8 0.9
34
1.0
41
41
16
5
2
1.0 38
1.1
45
39
15
-1
0
40
1.0 1.2
46
1.4 55
55
22
6
2
1.3 51
1.5
60
51
20
-2
-1
50
1.3 1.5
58
1.8 69
69
27
8
3
1.6 64
1.9
76
64
25
-2
-1
60
1.5 1.8
70
2.1
83
82
32
9
4
1.9
77
2.3
91
77
30
-2
-1
70
1.8 2.1
82
2.5
97
96
38
11
4
2.3
90
2.7 106 90
35
-3
-1
80
2.0 2.4
94
2.8 112 110 43
12
5
2.6 103 3.1 122 103 41
-3
-1
90
2.3 2.7 106 3.2 126 123 49
14
5
2.9 116 3.5 137 116 46
-4
-1
100 2.5 3.0 118 3.6 140 137 54
15
6
3.3 129 3.9 153 129 51
-4
-2
120 3.0 3.6 142 4.3 168 165 65
18
7
3.9 155 4.7 183 154 61
-5
-2
150 3.8 4.5 178 5.3 211 206 81
23
9
4.9 194 5.8 229 193 76
-6
-2
200 5.1 6.0 237 7.1 281 274 108 30
12
6.6 259 7.8 306 257 101
-8
-3
250 6.4 7.5 297 8.9 352 343 135 38
15
8.2 324 9.7 383 322 127 -10
-4
300 7.6 9.1 357 10.7 422 411 162 46
18
9.9 389 11.7 460 386 152 -12
-5
b
a
b
c1
c1
c2
c2
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)
b
Projection distance (±10%)
c1
,
c2
Screen height (±10%)