NEC NP40 - Manual (Page 18)

10
2. Installation and Connections
Throw Distance and Screen Size
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the
position of installation.
Distance Chart
NOTE: Distances may vary +/-5%.
C
D
B
Screen center
Lens center
Screen bottom
2.28"/58 mm
Projector bottom
Screen Size
B
C
D
α
Diagonal Width Height wide - tele wide - tele
inch inch inch inch inch inch degree
33 26 20 13 - 57 3 - 12.6
40 32 24 15 57 - 69 3 15.0 - 12.5
60 48 36 23 87 - 104 5 14.9 - 12.4
67 54 40 26 97 - 117 6 14.9 - 12.4
72 58 43 28 104 - 126 6 14.9 - 12.4
80 64 48 31 116 - 140 7 14.8 - 12.4
84 67 50 32 122 - 147 7 14.8 - 12.4
90 72 54 35 131 - 158 8 14.8 - 12.4
100 80 60 38 145 - 175 8 14.8 - 12.3
120 96 72 46 174 - 210 10 14.8 - 12.3
150 120 90 58 219 - 263 13 14.7 - 12.3
180 144 108 69 263 - 317 15 14.7 - 12.3
200 160 120 77 292 - 352 17 14.7 - 12.3
220 176 132 84 321 - 387 18 14.7 - 12.3
240 192 144 92 351 - 422 20 14.7 - 12.3
260 208 156 100 380 - 458 22 14.7 - 12.3
280 224 168 107 409 - 493 23 14.7 - 12.3
300 240 180 115 439 - 529 25 14.7 - 12.3
Screen Size
B
C
D
α
Diagonal Diagonal Width Height wide - tele wide - tele
inch mm mm mm mm mm mm degree
33 838 671 503 321 - 1450 70 - 12.6
40 1016 813 610 390 1450 - 1750 85 15.0 - 12.5
60 1524 1219 914 584 2200 - 2650 127 14.9 - 12.4
67 1702 1361 1021 653 2460 - 2960 142 14.9 - 12.4
72 1829 1463 1097 701 2640 - 3190 153 14.9 - 12.4
80 2032 1626 1219 779 2940 - 3550 170 14.8 - 12.4
84 2134 1707 1280 818 3090 - 3730 178 14.8 - 12.4
90 2286 1829 1372 877 3320 - 4000 191 14.8 - 12.4
100 2540 2032 1524 974 3690 - 4450 212 14.8 - 12.3
120 3048 2438 1829 1169 4430 - 5340 254 14.8 - 12.3
150 3810 3048 2286 1461 5550 - 6690 318 14.7 - 12.3
180 4572 3658 2743 1753 6670 - 8040 381 14.7 - 12.3
200 5080 4064 3048 1948 7420 - 8940 424 14.7 - 12.3
220 5588 4470 3353 2143 8160 - 9830 466 14.7 - 12.3
240 6096 4877 3658 2337 8910 - 10730 509 14.7 - 12.3
260 6604 5283 3962 2532 9650 - 11630 551 14.7 - 12.3
280 7112 5690 4267 2727 10400 - 12530 593 14.7 - 12.3
300 7620 6096 4572 2922 11140 - 13430 636 14.7 - 12.3
B=Vertical distance between lens center and screen center
C=Throw distance
D=Vertical distance between lens center and bottom of screen(top of screen for ceiling application)
α=Throw angle