Chapter 2
Getting Started
—
Setting up
ENGLISH -
3
9
ET-D3LEU100C, ET-D3LEW200C
L1 L2
SD
L (LW/LT)
L3
SW
SH
SH
SW
Projected image
Screen
Screen
Lens optical axis
Note
f
This illustration is prepared on the assu
m
ption that the projected i
m
age size and position ha
v
e been aligned to
fi
t full in the screen.
f
This illustration is not in accurate scale.
f
The lens optical axis is the sy
mm
etrical axis passing through the center of the optical i
m
age syste
m
. This does not
m
atch
w
ith the i
m
age
center position at the ho
m
e position. The ho
m
e position is an origin position of the lens shift
(v
ertical position and horizontal position of the
lens
)
based on the calibration result.
SH
Projected i
m
age height
SW
Projected i
m
age
w
idth
SD
Projected i
m
age size
L
*
1
(
LW
/
LT
)
*
2
Projection distance
(
distance fro
m
the front end of the projection lens to the screen
)
L
1
Lens protrusion di
m
ension
(
distance fro
m
the front surface of the projector to the for
w
ard end of the
projection lens
)
L
2
Position of the lens optical axis
(
distance fro
m
the front surface of the projector to the lens optical axis
)
L
3
Position of the lens apex
(
distance fro
m
the side of the projector to the lens apex
)
*
1
For details about calculating the projection distance, refer to “For
m
ula for calculating the projection distance per projection lens
”
(
x
page 5
0)
.
*
2
LW: Mini
m
u
m
projection distance
w
hen the
Z
oo
m
Lens is used
LT: Maxi
m
u
m
projection distance
w
hen the
Z
oo
m
Lens is used
(
Unit:
m)
Projection lens Model No.
Lens protrusion dimension (L1)
(approximate value)
Position of the lens optical axis
(L2)
(approximate value)
Position of the lens apex (L3)
(approximate value)
ET-D
3
LEU
100C
0
.
2
85
0
.
20
9
0
.
101
ET-D
3
LEW
200C
0
.
3
5
1
0
.
2
55
0
.
12
6
Note
f
For the adjust
m
ent range of the projected i
m
age position
w
ith the lens shift, refer to “Lens shift range
”
(
x
page 86
)
.
