(a) Screen Size
(b) Distance from screen
(inch)
(c) Vertical offset
(inch)
Diagonal W
(inch)
H
(inch)
Inch mm
80 2032 48 64 38.8 7.2
100 2540 60 80 48.6 9.01
120 3048 72 96 58.3 10.7
150 3810 90 120 72.9 13.5
180 4572 108 144 87.4 16.2
200 5080 120 160 97.2 17.9
220 5588 132 176 106.9 19.8
240 6096 144 192 116.6 21.6
270 6858 162 216 131.2 24.2
300 7620 180 240 145.8 27.0
Distance Chart
Wall Mount Chart
Dimensions
MX819ST Digital Projector
4.5”
11.31”
9.15”
Unit: inch
Ceiling
oor
Projection
area
Wall plate
c
2.36”
10.78”
b
H
f
e
W
D
Screen
.78”
2.3”
5.9”
7.1”
17.5”
15.6”
14.3”
3.3”
5.6”
4.8”
11.2”
9.15”
3.1”
9.15”
Minimum Ceiling Height (mm) = f + H + b + 60 = 274 + c
The screen aspect ratio is 4:3 and the projected picture is 4:3