NEC PA1004UL-W User Manual page 197

NP44ML
• Throw distance shows a distance between the center of the lens unit projection window and the
screen face.
• If there is a wall below the screen bottom, allow 0.2 m/8" or longer of L1 distance to install the
projector.
(Unit: inch)
Screen size
L1
(inches)
80 -2
100 3
120 9
150 18
180 26
200 32
240 44
270 52
300 61
350 75
400 90
(Unit: m)
Screen size
L1
(inches)
80 -0.06
100 0.08
120 0.23
150 0.45
180 0.67
200 0.81
240 1.11
270 1.33
300 1.54
350 1.91
400 2.28
TIP:
• Calculation of the throw distance from the screen size
NP44ML lens throw distance (m) = H × 0.32 : 22"/0.6 m (min.) to 109"/2.8 m (max.)
"H" (Horizontal) refers to the screen width.
* Figures differ by several % with the table above because the calculation is approximate.
L2 H1 H2
22 21 63
27 25 78
33 28 92
42 34 114
50 40 135
56 43 149
68 51 178
76 56 199
85 62 221
99 71 257
114 80 292
L2 H1 H2
0.55 0.53 1.61
0.70 0.63 1.98
0.84 0.72 2.34
1.06 0.86 2.88
1.28 1.01 3.43
1.43 1.10 3.79
1.72 1.29 4.52
1.94 1.43 5.07
2.16 1.57 5.61
2.52 1.81 6.65
① Screen top end
2.89 2.04 7.43
② Screen face
③ Screen center
④ Screen bottom
⑤ Center of the lens unit projection
⑥ Projector rear face
⑦ Throw distance
⑧ Projector bottom face
L1
L2
window
173
8. Appendix
H2
H1
L2
(when L1 is minus)
L1