102
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.
[M361X/M311X/M271X]
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
[M311W/M271W]
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
21
538
13
337
5
139
27
687
-
46
1172
-1
-29
11�4
-
6�8
30
762
25
646
16
404
7
167
33
833
-
56
1415
-1
-35
11�3
-
6�7
40
1016
34
862
21
538
9
222
44
1126
-
75
1902
-2
-47
11�2
-
6�7
60
1524
51
1292
32
808
13
333
67
1712
-
113
2876
-3
-71
11�0
-
6�6
72
1829
61
1551
38
969
16
400
81
2064
-
136
3461
-3
-85
11�0
-
6�6
80
2032
68
1723
42
1077
17
444
90
2298
-
152
3850
-4
-94
10�9
-
6�6
84
2134
71
1809
45
1131
18
466
95
2415
-
159
4045
-4
-99
10�9
-
6�6
90
2286
76
1939
48
1212
20
500
102
2591
-
171
4337
-4
-106
10�9
-
6�6
100
2540
85
2154
53
1346
22
555
114
2884
-
190
4824
-5
-118
10�9
-
6�6
120
3048
102
2585
64
1615
26
666
137
3470
-
228
5798
-6
-141
10�9
-
6�6
150
3810
127
3231
79
2019
33
833
171
4349
-
286
7259
-7
-177
10�8
-
6�5
180
4572
153
3877
95
2423
39
1000
206
5228
-
343
8720
-8
-212
10�8
-
6�5
200
5080
170
4308
106
2692
44
1111
229
5814
-
382
9694
-9
-236
10�8
-
6�5
210
5334
178
4523
111
2827
46
1166
240
6107
-
401 10181
-10
-247
10�8
-
6�5
240
6096
204
5169
127
3231
52
1333
275
6986
-
458 11642
-11
-283
10�8
-
6�5
270
6858
229
5816
143
3635
59
1499
310
7865
-
516 13103
-13
-318
10�8
-
6�5
300
7620
254
6462
159
4039
66
1666
344
8744
-
573 14564
-14
-353
10�8
-
6�5
Screen center
Lens center
Screen bottom