Sim2 Crystal - Manual (Page 15)

15 Positioning your projector
Installation for a 4:3 ratio screen
The illustrations and table below are provided for those users who already have 4:3
aspect ratio screens or intend to purchase 4:3 aspect ratio screens to view 16:9 ratio
projected images.
The screen aspect ratio is 4:3 and the projected picture is 16:9
The above numbers are approximate and may be slightly different from the actual measurements. Only
the recommended screen sizes are listed. If your screen size is not in the table above, please contact
your dealer for assistance.
<A>
<B>
<H>
<C> <E>
<D>
<F>
<G>
Floor Installation
<F>: Screen <G>: Center of lens
<A>
<B>
<H>
<C>
<E>
<D>
<F>
<G>
Ceiling Installation
<F>: Screen <G>: Center of lens
Screen dimensions
Projection distance <D>
[cm]
Lowest/
Highest
lens
position
<E>
[cm]
Image
height <H>
[cm]
Diagonal
<A>
[inch (cm)] Height
<B>
[cm] Width
<C>
[cm]
Min
distance
(with
max
zoom)
Average
Max
distance
(with min
zoom)
30 (76) 46 61 134 167 200 4.3 34
40 (102) 61 81 178 223 267 5.7 46
50 (127) 76 102 223 278 334 7.1 57
60 (152) 91 122 267 334 401 8.6 69
70 (178) 107 142 312 389 467 10.0 80
80 (203) 122 163 356 445 534 11.4 91
90 (229) 137 183 401 501 601 12.9 103
100 (254) 152 203 445 556 668 14.3 114
110 (279) 168 224 490 612 734 15.7 126
120 (305) 183 244 534 668 801 17.1 137
130 (330) 198 264 579 723 868 18.6 149
140 (356) 213 284 623 779 935 20.0 160
150 (381) 229 305 668 835 1001 21.4 171
160 (406) 244 325 712 890 1068 22.9 183
170 (432) 259 345 757 946 1135 24.3 194
180 (457) 274 366 801 1001 1202 25.7 206
190 (483) 290 386 846 1057 1269 27.1 217
200 (508) 305 406 890 1113 1335 28.6 229
250 (635) 381 508 1113 1391 1669 35.7 286
300 (762) 457 610 1335 1669 2003 42.9 343