BenQ DX818ST Bedienungsanleitung PDF herunterladen (Seite 15)

Positioning your projector 15

Obtaining a preferred projected image size

The distance from the projector lens to the screen, the zoom setting, and the video format

each factors in the projected image size.

Projection dimensions

Refer to "Dimensions" on page 56 for the center of lens dimensions of this projector before

calculating the appropriate position.

The screen aspect ratio is 4:3 and the projected picture is in a 4:3 aspect ratio

For example, if you are using an 120-inch screen, the recommended projection distance is

1481 mm and the vertical offset is 274 mm.

If your measured projection distance is 2.5 m (2500 mm), the closest match in the "(b)

Distance from screen" column is 2469 mm. Looking across this row shows that a 200''

(about 5.1 m) screen is required.

All measurements are approximate and may vary from the actual sizes.

BenQ recommends that if you intend to permanently install the projector, you should physically test the

projection size and distance using the actual projector in situ before you permanently install it, so as to make

allowance for this projector's optical characteristics. This will help you determine the exact mounting position

so that it best suits your installation location.

(a)

(b)

Center of lens

Screen

(c)

(a) Screen size

(b) Distance from screen

(mm)

Diagonal

Height

(mm)

Width

(mm)

Inches mm

80 2032 1219 1626 988 183

100 2540 1524 2032 1235 229

120 3048 1829 2438 1481 274

150 3810 2286 3048 1852 343

180 4572 2743 3658 2222 411

200 5080 3048 4064 2469 457

220 5588 3353 4470 2716 503

240 6096 3658 4877 2963 549

270 6858 4115 5486 3333 617

300 7620 4572 6096 3704 686

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