W20000-en.book Page 15 Monday, October 22, 2007 3:35 PM

Installation for a 4:3 ratio screen

The illustrations and table below are provided for those users who already have 4:3 aspect ratio screens or intend to purchase 4:3 aspect ratio screens to view 16:9 ratio projected images.

English

Floor Installation

Diagonal Image Height

Screen

 

 

Center of the lens

Projection Distance

Floor

Ceiling Installation

Ceiling

Diagonal

Image Height

Projection Distance

Center of the lens

Screen

4:3 (standard) ratio screen dimension table

 

 

 

 

 

 

 

 

 

Screen Dimensions

Projection Distance in cm

Offset

 

 

 

 

Min

 

Max

Highest

Lowest

Image

Diagonal

Height

Width

distance

 

distance

lens

lens

(inch)

(cm)

(cm)

(with

Average

(with min

position

position

Height

 

 

 

max

 

zoom)

(cm)

(cm)(D)*

(cm)

 

 

 

zoom)

 

(C)*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41

62

83

154

169

184

5

-42

47

50

76

102

187

206

225

6

-51

57

60

91

122

225

248

270

7

-62

69

70

107

142

262

289

315

8

-72

80

80

122

163

300

330

360

9

-82

91

90

137

183

337

371

405

10

-93

103

100

152

203

375

413

450

11

-103

114

110

168

224

412

454

495

13

-113

126

120

183

244

450

495

539

14

-123

137

130

198

264

487

536

584

15

-134

149

140

213

284

525

577

629

16

-144

160

150

229

305

562

618

674

17

-154

171

160

244

325

599

659

719

18

-165

183

170

259

345

637

701

764

19

-175

194

180

274

366

674

742

809

21

-185

206

190

290

386

712

783

854

22

-195

217

200

305

406

749

824

899

23

-206

229

250

381

508

937

1031

1124

29

-257

286

300

457

610

1124

1237

1349

34

-309

343

* See the pictures of "Shifting the projection lens vertically" on page 12 for the range of (C) and (D)

The above numbers are approximate and may be slightly different from the actual measurements. Only the recommended screen sizes are listed. If the your screen size is not in the table above, please contact your BenQ dealer for assistance.

Positioning your projector

15

Page 15
Image 15
BenQ W5000, W20000 user manual Installation for a 43 ratio screen, Min Max Highest Lowest Image, Diagonal