BenQ SX920 User Manual page 17

Installation for a 4:3 ratio screen
Floor Installation
<A>
<C>
<F>: Screen
SX920
The screen aspect ratio is 4:3 and the projected picture is 4:3
Screen dimensions
Diagonal Height
<A> <B>
[inch (mm)] [cm]
60 (1524)
70 (1778)
80 (2032)
90 (2286)
100 (2540)
110 (2794)
120 (3048)
130 (3302)
140 (3556)
150 (3810)
160 (4064)
170 (4318)
180 (4572)
190 (4826)
200 (5080)
240 (6096)
If you have a 4:3-aspect-ratio screen and your measured projection distance was 3.0 m (300 cm), the
closest match in the
is required.
Checking the min and max projection distance values in the columns of
indicates that the 3.0 m measured projection distance will also fit the 70, 90, and 100-inch screens. The
projector can be adjusted (using the zoom control) to display on these different screen sizes at the
projection distance.
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.
<B>
<F>
<G>
<E>
<D>
<G>: Center of lens
Width
<C> Min distance
[cm]
91 122
107 142
122 163
137 183
152 203
168 224
183 244
198 264
213 285
229 305
244 325
259 345
274 366
290 386
305 406
366 488
"Average" column is 298 cm. Looking across this row shows that an 80-inch screen
Ceiling Installation
<A>
<C>
<F>: Screen
Projection distance <D> [cm]
Average
172 224
201 261
230 298
258 335
287 372
316 409
344 447
373 484
402 521
430 558
459 595
488 633
516 670
545 707
573 744
688 893
<D>
<E>
<G>
<F>
<B>
<G>: Center of lens
Lowest/
Highest lens
position <E>
Max distance
[cm]
275 13.7
320 16.0
366 18.3
412 20.6
458 22.9
503 25.1
549 27.4
595 29.7
641 32.0
686 34.3
732 36.6
778 38.9
823 41.1
869 43.4
915 45.7
1098 54.9
"Projection distance <D> [cm]"
Positioning your projector 17