Obtaining A Preferred Projected Image Size; Ceiling Installation For A 16:9 Ratio Screen; Floor Installation For A 16:9 Ratio Screen - BenQ Home Entertainment PE5120 User Manual

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.
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.
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.

Ceiling installation for a 16:9 ratio screen

Screen Size

Floor installation for a 16:9 ratio screen

Screen Size
16:9 (widescreen) ratio screen dimension table
Screen Size
Type (inch) Height (cm) Width (cm)
50
60
70
80 100
90 112
100 125
110 137
120 149
130 162
140 174
150 187
160 199
170 212
180 224
190 237
200 249
n examination of the table reveals that you can place the projector lens in the range from 1.73 to 8.47m distance
A
from the screen, which will give you a projected image from 1.11 x 0.62m to 4.43 x 2.49m full screen.
Positioning your projector
12
Offset
Offset
Projection Distance
Min. (cm)
62 111
75 133
87 155
177
199
221
244
266
288
310
332
354
376
398
421
443
Projection Distance
Center of the lens
Screen
Screen
Center of the lens
Projection Distance
Max. (cm)
173 212
207 254
242 297
276 339
311 381
345 424
380 466
414 508
449 551
483 593
518 636
553 678
587 720
621 763
656 805
691 847
Ceiling
Floor
Height Offset
Tele (cm) Wide (cm)
21 20
25 25
29 29
34 33
38 37
42 41
46 45
50 49
55 53
59 57
63 61
67 65
71 70
76 74
80 78
84 82