3M MP8749 - Manual (Page 8)

7
Refer to the illustrations and tables below to determine the screen size and
projection distance.
Adjusting the Screen Size and Projection Distance
If 4:3 aspect ratio
4
3
The values shown in the table are calculated for a full size screen
a:Distance from the projector to the screen (±10%)
b:Distance from the lens center to the bottom of the screen (±10%)
c:Distance from the lens center to the top of the screen (±10%)
Top View
Side View
a
Screen size
[inches (m)] a [inches (m)]
Min. Max.
40 (1.0) 47 (1.2) 59 (1.5)
60 (1.5) 71 (1.8) 87 (2.2)
80 (2.0) 94 (2.4) 114 (2.9)
100 (2.5) 118 (3.0) 142 (3.6)
120 (3.0) 142 (3.6) 173 (4.4)
150 (3.8) 177 (4.5) 217 (5.5)
200 (5.0) 240 (6.1) 287 (7.3)