Chapter 2
Getting Started — Setting up
ENGLISH - 47
For PT‑RW730, PT‑RW620
r
Standard zoom lens
Projection lens Model No.
Throw ratio
Aspect ratio
Projection distance (L) formula
Min. (LW)
Max. (LT)
―
1.8 - 2.5:1
16:10
= 1.5651 x SD - 0.0746
= 2.1855 x SD - 0.0725
1.8 - 2.5:1
16:9
= 1.6086 x SD - 0.0746
= 2.2462 x SD - 0.0725
2.2 - 3.0:1
4:3
= 1.7715 x SD - 0.0746
= 2.4736 x SD - 0.0725
r
Zoom Lens
Projection lens Model No.
Throw ratio
Aspect ratio
Projection distance (L) formula
Min. (LW)
Max. (LT)
ET-DLE085
0.8 - 1.0:1
16:10
= 0.7209 x SD - 0.0471
= 0.8923 x SD - 0.0442
0.8 - 1.0:1
16:9
= 0.7409 x SD - 0.0471
= 0.9171 x SD - 0.0442
1.0 - 1.2:1
4:3
= 0.8159 x SD - 0.0471
= 1.0100 x SD - 0.0442
ET-DLE150
1.4 - 2.0:1
16:10
= 1.1822 x SD - 0.0540
= 1.7055 x SD - 0.0498
1.4 - 2.0:1
16:9
= 1.2151 x SD - 0.0540
= 1.7529 x SD - 0.0498
1.6 - 2.4:1
4:3
= 1.3381 x SD - 0.0540
= 1.9304 x SD - 0.0498
ET-DLE250
2.4 - 3.8:1
16:10
= 2.0649 x SD - 0.0800
= 3.2612 x SD - 0.0792
2.4 - 3.8:1
16:9
= 2.1223 x SD - 0.0800
= 3.3519 x SD - 0.0792
2.9 - 4.6:1
4:3
= 2.3371 x SD - 0.0800
= 3.6912 x SD - 0.0792
ET-DLE350
3.8 - 5.7:1
16:10
= 3.2550 x SD - 0.1351
= 4.9185 x SD - 0.1346
3.8 - 5.7:1
16:9
= 3.3455 x SD - 0.1351
= 5.0553 x SD - 0.1346
4.5 - 6.9:1
4:3
= 3.6842 x SD - 0.1351
= 5.5671 x SD - 0.1346
ET-DLE450
5.6 - 9.0:1
16:10
= 4.9277 x SD - 0.3017
= 7.7903 x SD - 0.2991
5.6 - 9.0:1
16:9
= 5.0647 x SD - 0.3017
= 8.0069 x SD - 0.2991
6.8 - 10.8:1
4:3
= 5.5775 x SD - 0.3017
= 8.8174 x SD - 0.2991
r
Fixed-focus Lens (Model No.: ET-DLE055)
Projection lens Model No.
Throw ratio
Aspect ratio
Projection distance (L) formula
ET-DLE055
0.8:1
16:10
= 0.7237 x SD - 0.0476
0.8:1
16:9
= 0.7438 x SD - 0.0476
1.0:1
4:3
= 0.8191 x SD - 0.0476
r
Fixed-focus Lens (Model No.: ET-DLE030)
Projection lens Model No.
Throw ratio
Aspect ratio
Projection distance (L1)
formula
Formula for distance between
projector and screen (A1)
ET-DLE030
0.40:1
16:10
= 0.3365 x SD + 0.0047
= 0.2597 x SD - 0.0740
0.40:1
16:9
= 0.3459 x SD + 0.0047
= 0.2942 x SD - 0.0740
0.48:1
4:3
= 0.3809 x SD + 0.0047
= 0.2941 x SD - 0.0740
Содержание PT-RZ660
Страница 57: ...ENGLISH 57 Chapter 3 Basic Operations This chapter describes basic operations to start with...
Страница 156: ...156 ENGLISH Chapter 5 Operations This chapter describes how to use each function...
Страница 185: ...ENGLISH 185 Chapter 7 Appendix This chapter describes specifications and after sales service for the projector...
Страница 212: ...Index 212 ENGLISH ZOOM button Remote control 28 70...