22 Setting Up the Projector
PowerLite 79 (16:9 images)PowerLite W7 (16:10 image)
300 inches
(762 cm)
359 to 431 inches
(912 to 1095 cm)
–20 inches
(–51 cm)
Screen size
Projection distance (A)
Wide to Tele Offset (B)
30 inches
(76 cm)
38 to 46 inches
(97 to 117 cm)
+0.3 inch
(+1 cm)
40 inches
(102 cm)
51 to 62 inches
(130 to 156 cm)
+0.4 inch
(+1 cm)
50 inches
(127 cm)
64 to 77 inches
(163 to 196 cm)
+0.5 inch
(+1 cm)
60 inches
(152 cm)
77 to 93 inches
(196 to 236 cm)
+0.5 inch
(+1 cm)
80 inches
(203 cm)
103 to 124 inches
(263 to 316 cm)
+0.7 inch
(+2 cm)
100 inches
(254 cm)
130 to 156 inches
(329 to 396 cm)
+0.9 inch
(+2 cm)
150 inches
(381 cm)
195 to 234 inches
(495 to 595 cm)
+1.4 inches
(+3 cm)
200 inches
(508 cm)
260 to 313 inches
(661 to 794 cm)
+1.8 inches
(+5 cm)
250 inches
(635 cm)
326 to 391 inches
(827 to 994 cm)
+2.3 inches
(+6 cm)
275 inches
(699 cm)
358 to 430 inches
(910 to 1093 cm)
+2.5 inches
(+6 cm)
Diagonal screen
size
Projection distance (A)
Wide to Tele Offset (B)
40 inches
(102 cm)
44 to 53 inches
(111 to 134 cm)
–3 inches
(–8 cm)
50 inches
(127 cm)
55 to 66 inches
(139 to 168 cm)
–3.8 inches
(–10 cm)
60 inches
(152 cm)
66 to 79 inches
(168 to 202 cm)
–4.5 inches
(–12 cm)
80 inches
(203 cm)
88 to 106 inches
(225 to 270 cm)
–6.1 inches
(–15 cm)
Screen size
Projection distance (A)
Wide to Tele Offset (B)