Benq PE5120 用户手册
12
Positioning your projector
Obtaining a preferred projected image size
The distance from the projector lens to the screen, the zoom setting, and the video format each factors in the
projected image size. BenQ has provided separate tables of dimensions for both 16:9 and 4:3 screen ratios to
assist you in determining the ideal location for your projector.
projected image size. BenQ has provided separate tables of dimensions for both 16:9 and 4:3 screen ratios to
assist you in determining the ideal location for your projector.
1. Determine the aspect ratio of your screen, (16:9 or 4:3) ?
2. Select the Screen Size you desire from the 16:9 ratio screen dimension table or 4:3 ratio screen dimension
table below, according to what screen type you have. Install the projector at a distance from the screen
corresponding to between the Min. and Max. Projection Distance values in the table.
table below, according to what screen type you have. Install the projector at a distance from the screen
corresponding to between the Min. and Max. Projection Distance values in the table.
3. Decide the exact height of your projector.
For example, if you are using a 16:9 screen with 80 inches diagonal, you are suggested to place your projector
within a range between 2.76m to 3.39m from the screen. The exact height of your projector will be 33 to 34cm
above or below your screen from the center of the lens.
within a range between 2.76m to 3.39m from the screen. The exact height of your projector will be 33 to 34cm
above or below your screen from the center of the lens.
Ceiling installation for a 16:9 ratio screen
Floor installation for a 16:9 ratio screen
16:9 (widescreen) ratio screen dimension table
A
n examination of the table reveals that you can place the projector lens in the range from 1.73 to 8.47m distance
from the screen, which will give you a projected image from 1.11 x 0.62m to 4.43 x 2.49m full screen.
Screen Size
Projection Distance
Height Offset
Type (inch) Height (cm) Width (cm)
Min. (cm)
Max. (cm)
Tele (cm)
Wide (cm)
50
62
111
173
212
21
20
60
75
133
207
254
25
25
70
87
155
242
297
29
29
80
100
177
276
339
34
33
90
112
199
311
381
38
37
100
125
221
345
424
42
41
110
137
244
380
466
46
45
120
149
266
414
508
50
49
130
162
288
449
551
55
53
140
174
310
483
593
59
57
150
187
332
518
636
63
61
160
199
354
553
678
67
65
170
212
376
587
720
71
70
180
224
398
621
763
76
74
190
237
421
656
805
80
78
200
249
443
691
847
84
82
Screen
Height
Projection Distance
Screen Size
Offset
Ceiling
Center of the lens
Projection Distance
Screen
He
ight
Offset
Floor
Center of the lens
Screen Size