Dell Projector 1220 - Manual (Page 17)

Using Your Projector 17
He
ig
ht [
C
]
Ima
ge
Dia
gon
al [B
]
Pr
oje
cto
r D
ist
an
ce
[A
]
[D]
Image Hei
g
h
t
[H]
Image
Width
[W]