NEC M350X - Manual (Page 111)

101
6. Installation and Connections
C
α
B
D
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
B = Vertical distance between lens center and
screen center
C = Throw distance
D = Vertical distance between lens center and
screen bottom (top of screen for ceiling ap-
plication)
α = Throw angle
NOTE: The values in the tables are design values and
may vary.
[M350X/M300X/M260X/M230X]
Screen Size
B
C
D
α
Diagonal Width Height wide tele wide tele
inch mm inch mm inch mm inch mm inch mm - inch mm inch mm degree - degree
25 635 20 508 15 381 5 131 26 649 - 44 1107 -2 -60 11�4 - 6�7
30 762 24 610 18 457 6 157 31 788 - 53 1337 -3 -71 11�3 - 6�7
40 1016 32 813 24 610 8 210 42 1066 - 71 1798 -4 -95 11�1 - 6�6
60 1524 48 1219 36 914 12 314 64 1622 - 107 2720 -6 -143 11�0 - 6�6
72 1829 58 1463 43 1097 15 377 77 1956 - 129 3273 -7 -171 10�9 - 6�6
80 2032 64 1626 48 1219 17 419 86 2178 - 143 3642 -8 -191 10�9 - 6�6
84 2134 67 1707 50 1280 17 440 90 2289 - 151 3827 -8 -200 10�9 - 6�6
90 2286 72 1829 54 1372 19 471 97 2456 - 162 4103 -8 -214 10�9 - 6�6
100 2540 80 2032 60 1524 21 524 108 2734 - 180 4564 -9 -238 10�8 - 6�5
120 3048 96 2438 72 1829 25 629 130 3290 - 216 5486 -11 -286 10�8 - 6�5
150 3810 120 3048 90 2286 31 786 162 4124 - 270 6869 -14 -357 10�8 - 6�5
180 4572 144 3658 108 2743 37 943 195 4958 - 325 8252 -17 -429 10�8 - 6�5
200 5080 160 4064 120 3048 41 1048 217 5514 - 361 9174 -19 -476 10�8 - 6�5
210 5334 168 4267 126 3200 43 1100 228 5792 - 379 9635 -20 -500 10�8 - 6�5
240 6096 192 4877 144 3658 50 1257 261 6626 - 434 11018 -23 -572 10�7 - 6�5
270 6858 216 5486 162 4115 56 1414 294 7460 - 488 12401 -25 -643 10�7 - 6�5
300 7620 240 6096 180 4572 62 1572 327 8294 - 543 13784 -28 -714 10�7 - 6�5
[M420X/M420XV]
Screen Size
B
C
D
α
Diagonal Width Height wide tele wide tele
inch mm inch mm inch mm inch mm inch mm - inch mm inch mm degree - degree
25 635 20 508 15 381 5 131 25 636 - 43 1094 -2 -60 11�6 - 6�8
30 762 24 610 18 457 6 157 31 775 - 52 1324 -3 -71 11�5 - 6�8
40 1016 32 813 24 610 8 210 41 1053 - 70 1785 -4 -95 11�3 - 6�7
60 1524 48 1219 36 914 12 314 63 1609 - 107 2707 -6 -143 11�1 - 6�6
72 1829 58 1463 43 1097 15 377 76 1943 - 128 3261 -7 -171 11�0 - 6�6
80 2032 64 1626 48 1219 17 419 85 2165 - 143 3629 -8 -191 11�0 - 6�6
84 2134 67 1707 50 1280 17 440 90 2277 - 150 3814 -8 -200 10�9 - 6�6
90 2286 72 1829 54 1372 19 471 96 2443 - 161 4090 -8 -214 10�9 - 6�6
100 2540 80 2032 60 1524 21 524 107 2721 - 179 4551 -9 -238 10�9 - 6�6
120 3048 96 2438 72 1829 25 629 129 3277 - 215 5473 -11 -286 10�9 - 6�6
150 3810 120 3048 90 2286 31 786 162 4111 - 270 6856 -14 -357 10�8 - 6�5
180 4572 144 3658 108 2743 37 943 195 4945 - 324 8239 -17 -429 10�8 - 6�5
200 5080 160 4064 120 3048 41 1048 217 5501 - 361 9161 -19 -476 10�8 - 6�5
210 5334 168 4267 126 3200 43 1100 228 5779 - 379 9622 -20 -500 10�8 - 6�5
240 6096 192 4877 144 3658 50 1257 260 6613 - 433 11005 -23 -572 10�8 - 6�5
270 6858 216 5486 162 4115 56 1414 293 7447 - 488 12388 -25 -643 10�8 - 6�5
300 7620 240 6096 180 4572 62 1572 326 8281 - 542 13771 -28 -714 10�7 - 6�5
Screen center
Lens center
Screen bottom