NEC NP-ME403U Installation Guide - Page 2

Diagrams and Distance Charts for MC423W, Sharp NEC Display Solutions of America, Inc.

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Sharp NEC Display Solutions of America, Inc. MC423W/ME423W/ME403U Installation Guide Ceiling Mounted and Desktop Rev 1.0 Diagrams and Distance Charts for MC423W The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of installation. Distances are in inches. For millimeters multiply by 25.4. Distance Chart for popular 16:10 screens 16:10 Screen Formulas: W = Image Width = H x 16/10 H = Image Height = W x 10/16 Screen Diagonal = W x 18.868/16 Projection Formulas: B = 0.2481W C (wide) = 1.3798W - 0.9771 C (tele) = 1.6576W - 0.9812 D = -0.0644W α (wide) = tanˉ¹ (B/C(wide)) α (tele) = tanˉ¹ (B/C(tele)) Note: For screen sizes not indicated on the projection tables, use the formulas on page 1. Screen Size (16:10) B C Diagonal Width(W) Height (H) inches inches inches inches w ide - tele inches 30 25 16 W =6 H x 434/3 - 41 40 34 21H = W8x 3/4 46 - 55 60 51 32 13 69 - 83 76 64 40 16 88 - 106 77 65 41 16 89 - 107 78 66 41 16 90 - 109 80 68 42 17 93 - 111 86 73 46 18 100 - 120 88 75 47 19 102 - 123 90 76 48 19 104 - 126 100 85 53 21 116 - 140 110 93 58 23 128 - 154 120 102 64 25 139 - 168 130 110 69 27 151 - 182 150 127 79 32 175 - 210 200 170 106 42 233 - 280 300 254 159 63 350 - 421 D inches -2 -2 -3 -4 -4 -4 -4 -5 -5 -5 -5 -6 -7 -7 -8 -11 -16 α w ide - tele degrees 10.5 - 8.7 10.4 - 8.7 10.3 - 8.6 10.3 - 8.6 10.3 - 8.6 10.3 - 8.6 10.3 - 8.6 10.3 - 8.6 10.3 - 8.6 10.3 - 8.6 10.3 - 8.6 10.3 - 8.6 10.3 - 8.6 10.3 - 8.6 10.2 - 8.6 10.2 - 8.5 10.2 - 8.5 www.sharpnecdisplays.us/ MC423W/ME423W/ME403U Page 2 of 7

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Sharp NEC Display Solutions of America, Inc.
MC423W/ME423W/ME403U Installation Guide
Ceiling Mounted and Desktop
Rev 1.0
www.sharpnecdisplays.us/
MC423W/ME423W/ME403U
Page 2 of 7
Diagrams and Distance Charts for MC423W
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of
installation.
Distances are in inches. For millimeters multiply by 25.4.
Distance Chart for popular 16:10 screens
16:10 Screen Formulas:
W = Image Width = H x 16/10
H = Image Height = W x 10/16
Screen Diagonal = W x 18.868/16
Projection Formulas:
B
= 0.2481W
C
(wide) = 1.3798W – 0.9771
C
(tele)
= 1.6576W – 0.9812
D
= -0.0644W
α
(wide) =
tanˉ¹ (B/C(wide))
α
(tele) =
tanˉ¹ (B/C(tele))
Note:
For screen sizes not indicated on the projection
tables, use the formulas on page 1.
Diagonal
Width(W)
Height (H)
inches
inches
inches
inches
30
25
16
6
34
-
41
10.5
-
8.7
40
34
21
8
46
-
55
10.4
-
8.7
60
51
32
13
69
-
83
10.3
-
8.6
76
64
40
16
88
-
106
10.3
-
8.6
77
65
41
16
89
-
107
10.3
-
8.6
78
66
41
16
90
-
109
10.3
-
8.6
80
68
42
17
93
-
111
10.3
-
8.6
86
73
46
18
100
-
120
10.3
-
8.6
88
75
47
19
102
-
123
10.3
-
8.6
90
76
48
19
104
-
126
10.3
-
8.6
100
85
53
21
116
-
140
10.3
-
8.6
110
93
58
23
128
-
154
10.3
-
8.6
120
102
64
25
139
-
168
10.3
-
8.6
130
110
69
27
151
-
182
10.3
-
8.6
150
127
79
32
175
-
210
10.2
-
8.6
200
170
106
42
233
-
280
10.2
-
8.5
300
254
159
63
350
-
421
10.2
-
8.5
-5
-5
-8
-11
-16
-5
-5
-6
-7
-2
-3
-4
-4
-4
-4
-7
degrees
D
α
w ide - tele
Screen Size (16:10)
-2
inches
B
C
w ide - tele
inches