Panasonic PT-DW750

Chapter 2 Getting Started — Setting up
46 - ENGLISH
For PT-DX820
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 16:9 = 1.5875 x SD
- 0.0746 = 2.2167 x SD - 0.0725
1.8 - 2.5:1 4:3 = 1.4571 x SD
- 0.0746 = 2.0346 x SD - 0.0725
r Zoom lens
Projection lens Model No. Throw ratio Aspect ratio
Projection distance (L) formula
Min. (LW) Max. (LT)
ET-DLE080/
ET-DLE085
0.8 - 1.0:1 16:9 = 0.7311 x SD
- 0.0471 = 0.9051 x SD - 0.0442
0.8 - 1.0:1 4:3 = 0.6711 x SD
- 0.0471 = 0.8307 x SD - 0.0442
ET-DLE150
1.3 - 2.0:1 16:9 = 1.1991 x SD
- 0.0540 = 1.7299 x SD - 0.0498
1.3 - 2.0:1 4:3 = 1.1006 x SD
- 0.0540 = 1.5878 x SD - 0.0498
ET-DLE250
2.4 - 3.8:1 16:9 = 2.0943 x SD
- 0.0800 = 3.3078 x SD - 0.0792
2.4 - 3.7:1 4:3 = 1.9224 x SD
- 0.0800 = 3.0361 x SD - 0.0792
ET-DLE350
3.7 - 5.6:1 16:9 = 3.3015 x SD
- 0.1351 = 4.9888 x SD - 0.1346
3.7 - 5.6:1 4:3 = 3.0304 x SD
- 0.1351 = 4.5791 x SD - 0.1346
ET-DLE450
5.6 - 8.9:1 16:9 = 4.9981 x SD
- 0.3017 = 7.9015 x SD - 0.2991
5.5 - 8.9:1 4:3 = 4.5876 x SD
- 0.3017 = 7.2526 x SD - 0.2991
r For xed-focus lens (Model No.: ET-DLE055)
Projection lens Model No. Throw ratio Aspect ratio Projection distance (L) formula
ET-DLE055
0.8:1 16:9 = 0.7340 x SD
- 0.0476
0.8:1 4:3 = 0.6738 x SD
- 0.0476
r For xed-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
0.39:1 16:9 = 0.3413 x SD + 0.0047 = 0.2866 x SD
- 0.0665
0.39:1 4:3 = 0.3133 x SD + 0.0047 = 0.1881 x SD
- 0.0665
Adjusting adjustable feet
Install the projector on a at surface so that the front of the projector is parallel to the screen surface and the
projected image is rectangular.
If the screen is tilted downward, the projected image can be adjusted to be rectangular by adjusting the front
adjustable feet. 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 gure. Turning them in the opposite direction will
return them to the original position.
Adjustable range
Each adjustable feet: Approx. 30 mm (1-3/16")
Attention
f Heated air is expelled from the air exhaust port while the lamp is lit. Do not touch the air exhaust port directly when adjusting the adjustable
feet. (x page 25)