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NEC Display Solutions of America, Inc.
NP500WS Installation Guide
Ceiling Mounted and Desktop Rev 1.4
www.necdisplay.com NP500WS Page 2 of 7
Diagrams and Distance Charts
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.
C
Throw Distance
Screen Top
4.5"
B
Lens Ctr
Screen Ctr
D
B
C
Lens Ctr
Screen Ctr
Throw Distance
Screen Bottom
3.00"
D
Lens Offset
2.53
Wall Mounted
Desktop
Distance Chart for popular 16:10 screens
Diagonal Width(W) Height (H)
inches inches inches inches inches inches degrees
57 48 30 20 36 5 29.3
66 56 35 23 41 6 29.3
68 58 36 24 43 6 29.3
75 64 40 27 47 6 29.2
79 67 42 28 50 7 29.2
85 72 45 30 53 7 29.1
87 74 46 31 54 7 29.1
92 78 49 33 58 8 29.1
94 80 50 33 59 8 29.1
104 88 55 37 65 9 29.1
D
α
Image Size (16:10)
on a (16:10) screen
B C
Note: For screen sizes not indicated on the projection
tables, use the formulas on page 1.