Benq mw814st 用户手册
Positioning your projector
14
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.
each factors in the projected image size.
For example, if you are using a 120-inch, 4:3-aspect-ratio screen and the projected picture is
16:10, please refer to Table B2 on page
16:10, please refer to Table B2 on page
, the recommended projection distance is 1192 mm
and the vertical offset is 76 mm.
If you need a 16:9 screen to project a 16:9 picture and your measured projection distance is
1.5 m (1500 mm), please refer to Table A1 on page
1.5 m (1500 mm), please refer to Table A1 on page
. The closest match in the
screen is required.
Projection dimensions
for the center of lens dimensions of this projector before
calculating the appropriate position.
Table A1: The screen aspect ratio is 16:9 and the projected picture is 16:9
(a) Screen size
Projected picture size (b) Distance
from screen
(mm)
(c) Vertical
offset
(mm)
Diagonal
Height
(mm)
Width
(mm)
Height
(mm)
Width
(mm)
Inches
mm
80
2032
996
1771
996
1771
866
110
100
2540
1245
2214
1245
2214
1082
137
120
3048
1494
2657
1494
2657
1298
164
150
3810
1868
3321
1868
3321
1623
205
180
4572
2241
3985
2241
3985
1947
247
200
5080
2491
4428
2491
4428
2164
274
220
5588
2740
4870
2740
4870
2380
301
240
6096
2989
5313
2989
5313
2597
329
270
6858
3362
5977
3362
5977
2921
370
300
7620
3736
6641
3736
6641
3246
411
(a)
(b)
Center of lens
Screen
(c)
A1
(a)
(b)
Center of lens
Screen
(c)
A2