Setting Up; Arrangement - Hitachi CP-AW250NM Operating Manual

Setting up

Install the projector according to the environment and manner the projector will be
used in.

Arrangement

Refer to the illustrations and tables below to determine screen size and projection distance.
The values shown in the table are calculated for a full size screen: 1280 x 800
Screen size (diagonal)
a
• On a horizontal surface
a
c2
c1
• Mounted on the wall or ceiling
c1
a
c2
• The screen position may shift after installation if the projector is mounted on locations
such as the wall or ceiling, due to the exibility of the plastic projector body. If readjustment
is necessary, consult with your dealer or service personnel.
• The projected image position and/or focus may change during warm-up (approx. 30
minutes after the lamp is turned on) or when the ambient conditions change. Readjust
the image position and/or focus as necessary.
• Since the projector features an ultra short throw, be aware that it is required to select a
screen carefully to have better performance.
- A soft screen such as a pull-down screen may cause serious distortion of a projected
image. A hard screen such as a board screen is recommended for use with this projector.
- A high-gain screen such as a bead screen that has narrow viewing angle is not suitable
for this projector. A low-gain screen (around 1.0) such as a matte screen that has wide
viewing angle is recommended for use with this projector.
- A screen with a weave pattern may cause moiré on the projected image, which is not a
failure of the projector. A screen that has less moiré effects is recommended for use with
this projector.
(continued on next page)
Projection distance (±8%)
b
Screen size
a
(diagonal)
type(inch)
60
70
80
90
b
100
• Keep a space of 30 cm or more between the sides of the
b
projector and other objects such as walls.
attach anything that would block the lens or vent holes.
• For the case of installation in special conditions such as
on the wall or ceiling, the specied mounting accessories
and service may be required. Before installing the
projector, consult your dealer about your installation.
c1
b
Projection distance
m m inch
1.5 0.120 4.7
1.8 0.188 7.4
2.0 0.256 10.1
2.3 0.324 12.8
2.5 0.392 15.4
Setting up
, Screen height (±8%)
c2
c1
Screen height Screen height
m inch m
0.295 11.6 1.102
0.332 13.1 1.274
0.369 14.5 1.446
0.407 16.0 1.618
0.444 17.5 1.791
Do not place or
c2
inch
43.4
50.2
56.9
63.7
70.5
7