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6640W/6645W Installation Guide
Ceiling Mounted and Desktop
Diagrams and Distance Charts
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of
installation.
Distances are in inches. For millimeters multiply by 25.4.
Ceiling Mounted
Desktop
Distance Chart for popular 16:10 screens
Note:
For screen sizes not indicated on the projection
tables, use the formulas on page 1.
www.dukaneav.com
L e n s Offset From
Mo u nt Pipe
Screen Size (16:10)
Diagonal Width(W) Height (H)
inches
inches
57
48
66
56
68
58
75
64
79
67
85
72
92
78
98
83
102
86
111
94
113
96
123
104
125
106
147
125
149
126
213
181
255
216
6640W/6645W Installation Guide-00
Dukane AV Division
C
Throw Distance
C
Throw Distance
3.05"
B
C
w ide - tele
inches
inches
inches
30
9
64
-
107
35
11
74
-
125
36
11
77
-
128
40
12
85
-
143
42
13
90
-
150
45
14
96
-
161
49
15
105
-
176
52
16
111
-
186
54
16
116
-
194
59
18
127
-
212
60
18
129
-
215
65
20
140
-
233
66
20
142
-
237
78
23
168
-
280
79
24
170
-
284
113
34
244
-
407
135
41
292
-
486
Rev 1
Screen Top
D
Lens Ctr
B
Screen Ctr
Screen Ctr
B
Lens Ctr
D
Screen Bottom
D
α
w ide - tele
inches
degrees
-6
8.1
-
4.8
-7
8.0
-
4.8
-7
8.0
-
4.8
-8
8.0
-
4.8
-8
8.0
-
4.8
-9
8.0
-
4.8
-10
8.0
-
4.8
-10
8.0
-
4.8
-11
8.0
-
4.8
-12
8.0
-
4.8
-12
8.0
-
4.8
-13
8.0
-
4.8
-13
8.0
-
4.8
-16
7.9
-
4.8
-16
7.9
-
4.8
-23
7.9
-
4.8
-27
7.9
-
4.8
Page 2 0f 6
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