Adjusting the zoom, focus and keystone, Adjusting, Zoom – IBM Partner Pavilion PROJECTOR E400 User Manual
Page 23: Focus, Keystone
v
Position
the
projector
within
2.7
m
(9
ft)
of
your
power
source
and
within
1.8
m
(6
ft)
of
your
video
device
(unless
you
purchase
extension
cables).
To
ensure
adequate
cable
access,
do
not
place
the
projector
within
.15
m
(6
in.)
of
a
wall
or
other
object.
v
Position
the
projector
the
desired
distance
from
the
screen.
The
distance
from
the
lens
of
the
projector
to
the
screen,
the
zoom
setting,
and
the
video
format
determine
the
size
of
the
projected
image.
Table
2-1.
Diagonal
screen
size
(m/in.)
Image
Width
(m/ft)
Image
height
(m/ft)
Distance
from
center
of
lens
to
bottom
of
image
(m/ft)
1
1.10/43.3
.88/2.88
.66/2.16
1.5/4.92
2
1.47/57.8
1.17/3.83
.88/2.88
2/6.56
3
1.76/69.3
1.4/4.59
1.1/3.6
2.4/7.87
4
2.06/81.1
1.64/5.38
1.23/4.03
2.8/9.18
5
2.35/92.5
1.87/6.13
1.41/4.62
3.2/10.5
6
2.65/104.3
2.11/6.92
1.58/5.18
3.6/11.81
7
2.94/115.7
2.34/7.67
1.76/5.77
4/13.12
8
3.23/127.2
2.57/8.43
1.94/6.36
4.4/14.4
Adjusting
the
zoom,
focus
and
keystone
To
adjust
the
image,
follow
these
steps.
1.
Use
the
Image-focus
control
on
the
projector
to
sharpen
the
projected
image
as
shown
in
1 .
Figure
2-1.
Chapter
2.
Setting
up
the
projector
2-3