Chapter 2
Getting Started — Setting up
ENGLISH - 49
r
Fixed-focus Lens
Projection lens Model No.
Throw ratio
Aspect ratio
Projection distance (L) formula
ET-D3LEU100
0.370:1
16:10
= 0.3264 x SD - 0.0664
0.370:1
16:9
= 0.3355 x SD - 0.0664
0.446:1
4:3
= 0.3695 x SD - 0.0664
ET-D3LEW50/ET-D75LE50
0.694:1
16:10
= 0.6072 x SD - 0.0713
0.695:1
16:9
= 0.6240 x SD - 0.0713
0.836:1
4:3
= 0.6873 x SD - 0.0713
Projection lens Model No.
Throw ratio
Aspect ratio
Projection distance
(L1) formula
Distance (A1) formula from the projector to
the screen
Min.
Max.
ET-D75LE95
0.364:1
16:10
= 0.303 x SD + 0.020
= 0.184 x SH - 0.128
= 0.283 x SH - 0.128
0.364:1
16:9
= 0.312 x SD + 0.020
= 0.205 x SH - 0.128
= 0.370 x SH - 0.128
0.436:1
4:3
= 0.343 x SD + 0.020
= 0.184 x SH - 0.128
= 0.283 x SH - 0.128
ET-D75LE90
0.364:1
16:10
= 0.325 x SD + 0.020
= 0.198 x SH - 0.128
= 0.339 x SH - 0.128
0.364:1
16:9
= 0.334 x SD + 0.020
= 0.220 x SH - 0.128
= 0.432 x SH - 0.128
0.436:1
4:3
= 0.368 x SD + 0.020
= 0.198 x SH - 0.128
= 0.339 x SH - 0.128
Adjusting adjustable feet
Install the projector on a flat surface so that the front of the projector is parallel to the screen surface and the
projection screen is rectangular.
If the screen is tilted downward, extend the front adjustable feet so that the projected image becomes rectangular.
The adjustable feet can also be used to adjust the projector to be level when it is tilted in the horizontal direction.
Adjustable feet can be extended by turning them as shown in the figure. Turning them in the opposite direction will
return them to the original position.
Maximum adjustable range
Adjustable feet: 20 mm (25/32") each
Attention
f
Be careful not to block the intake/exhaust vents with your hands or any objects when adjusting the adjustable feet while the light source is
on. (
x
page 28)
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Страница 58: ...58 ENGLISH Chapter 3 Basic Operations This chapter describes basic operations to start with ...
Страница 198: ...198 ENGLISH Chapter 5 Operations This chapter describes how to use each function ...
Страница 239: ...ENGLISH 239 Chapter 7 Appendix This chapter describes specifications and after sales service for the projector ...