NEC MC302X, User Manual

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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
application)
α = Throw angle
NOTE: The values in the tables are design values and may
vary.
[MC422X/MC372X]
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
30 762 24 610 18 457 6 163 35 900 - 43 1083 -3 -65 10�3 - 8�6
40 1016 32 813 24 610 9 218 47 1204 - 57 1448 -3 -87 10�3 - 8�6
60 1524 48 1219 36 914 13 327 71 1812 - 86 2179 -5 -130 10�2 - 8�5
80 2032 64 1626 48 1219 17 436 95 2421 - 115 2910 -7 -174 10�2 - 8�5
100 2540 80 2032 60 1524 21 545 119 3029 - 143 3641 -9 -217 10�2 - 8�5
120 3048 96 2438 72 1829 26 653 143 3637 - 172 4372 -10 -261 10�2 - 8�5
150 3810 120 3048 90 2286 32 817 179 4550 - 215 5468 -13 -326 10�2 - 8�5
180 4572 144 3658 108 2743 39 980 215 5462 - 258 6564 -15 -391 10�2 - 8�5
200 5080 160 4064 120 3048 43 1089 239 6070 - 287 7295 -17 -435 10�2 - 8�5
240 6096 192 4877 144 3658 51 1307 287 7287 - 345 8756 -21 -522 10�2 - 8�5
270 6858 216 5486 162 4115 58 1470 323 8199 - 388 9853 -23 -587 10�2 - 8�5
300 7620 240 6096 180 4572 64 1634 359 9112 - 431 10949 -26 -652 10�2 - 8�5
[ME402X]
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
30 762 24 610 18 457 6 157 31 778 - 52 1327 -3 -71 11�4 - 6�8
40 1016 32 813 24 610 8 210 42 1056 - 70 1788 -4 -95 11�2 - 6�7
60 1524 48 1219 36 914 12 314 63 1612 - 107 2710 -6 -143 11�0 - 6�6
80 2032 64 1626 48 1219 17 419 85 2168 - 143 3632 -8 -191 10�9 - 6�6
100 2540 80 2032 60 1524 21 524 107 2724 - 179 4554 -9 -238 10�9 - 6�6
120 3048 96 2438 72 1829 25 629 129 3280 - 216 5476 -11 -286 10�8 - 6�5
150 3810 120 3048 90 2286 31 786 162 4114 - 270 6859 -14 -357 10�8 - 6�5
180 4572 144 3658 108 2743 37 943 195 4948 - 324 8242 -17 -429 10�8 - 6�5
200 5080 160 4064 120 3048 41 1048 217 5504 - 361 9164 -19 -476 10�8 - 6�5
240 6096 192 4877 144 3658 50 1257 260 6616 - 433 11008 -23 -572 10�8 - 6�5
270 6858 216 5486 162 4115 56 1414 293 7450 - 488 12391 -25 -643 10�8 - 6�5
300 7620 240 6096 180 4572 62 1572 326 8284 - 542 13774 -28 -714 10�7 - 6�5
[MC342X/MC302X]
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
30 762 24 610 18 457 6 163 34 876 - 42 1058 -3 -65 10�6 - 8�8
40 1016 32 813 24 610 9 218 46 1180 - 56 1422 -3 -87 10�5 - 8�7
60 1524 48 1219 36 914 13 327 70 1786 - 85 2150 -5 -130 10�4 - 8�6
80 2032 64 1626 48 1219 17 436 94 2393 - 113 2879 -7 -174 10�3 - 8�6
100 2540 80 2032 60 1524 21 545 118 3000 - 142 3607 -9 -217 10�3 - 8�6
120 3048 96 2438 72 1829 26 653 142 3606 - 171 4335 -10 -261 10�3 - 8�6
150 3810 120 3048 90 2286 32 817 178 4517 - 214 5427 -13 -326 10�2 - 8�6
180 4572 144 3658 108 2743 39 980 214 5427 - 257 6520 -15 -391 10�2 - 8�5
200 5080 160 4064 120 3048 43 1089 238 6033 - 285 7248 -17 -435 10�2 - 8�5
240 6096 192 4877 144 3658 51 1307 285 7247 - 343 8704 -21 -522 10�2 - 8�5
270 6858 216 5486 162 4115 58 1470 321 8157 - 386 9797 -23 -587 10�2 - 8�5
300 7620 240 6096 180 4572 64 1634 357 9067 - 429 10889 -26 -652 10�2 - 8�5
Screen center
Lens center
Screen bottom