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Chapter 2
Getting Started — Setting up
36 - ENGLISH
[SCREEN ADJUSTMENT] projection range
[VERTICAL KEYSTONE] (viewed from the side)
[HORIZONTAL KEYSTONE] (viewed from above)
Screen
Screen
Vertical arc correction (viewed from the side)
Horizontal arc correction (viewed from above)
Screen
L2: Projection distance
R2: Arc radius
Screen
L2: Projection distance
R2: Arc radius
Screen
L3: Projection distance
R3: Arc radius
Arc center
Screen
L3: Projection distance
R3: Arc radius
Arc center
Projection
lens Model
No.
Only [KEYSTONE] used
*1
[KEYSTONE] and [CURVED CORRECTION] used together
Only [CURVED
CORRECTION] used
Vertical
keystone
correction
angle α (°)
Horizontal
keystone
correction
angle β (°)
Vertical
keystone
correction
angle α (°)
Horizontal
keystone
correction
angle β (°)
Min. value of
R2/L2
Min. value of
R3/L3
Min. value of
R2/L2
Min. value of
R3/L3
Standard zoom
lens/ET-ELS20
±25
±30
±20
±15
0.9
1.8
0.5
1.0
ET-ELW21
±22
±15
±8
±8
1.7
4.3
1.0
2.6
ET-ELW22
±22
±15
±8
±8
1.7
4.3
1.0
2.6
ET-ELW20
±25
±30
±20
±15
1.2
3.1
0.7
1.8
ET-ELT22
±25
±30
±20
±15
0.6
1.1
0.3
0.6
ET-ELT23
±25
±30
±20
±15
0.4
0.7
0.2
0.4
*1
When [VERTICAL KEYSTONE] and [HORIZONTAL KEYSTONE] are used simultaneously, correction cannot be made exceeding total of 55°.
Note
f
When [SCREEN ADJUSTMENT] is used, the focus of the entire screen may be lost as correction increases.
f
Make the curved screen a circular arc shape with one part of a perfect circle removed.
Содержание PT-MZ880
Страница 48: ...48 ENGLISH Chapter 3 Basic Operations This chapter describes basic operations to start with...
Страница 144: ...144 ENGLISH Chapter 5 Operations This chapter describes how to use each function...
Страница 182: ...182 ENGLISH Chapter 7 Appendix This chapter describes specifications and after sales service for the projector...