NEC GT5000 Installation Manual page 3

Desktop Setup
The following diagram shows the relationship between projector position and the screen. Refer to the chart below for data.
Distances are in inches. For millimeters multiply by 25.4.
Screen Ctr
Note: GT10RLB ships in June 2003
Note: Lens shift is not available on the GT10RLB rear lens. GT10RLB should be used only for "zero degree/no-offset"
applications.
Note: Lens memory feature is not available on the GT19ZL lens.
Note: Tilting the front of the projector up or down by more than 45° from level could reduce lamp life by up to 20%.
Distance Chart
(for popular screen sizes)
Screen Size (4:3)
Diagonal Width(H) Height (V)
inches inches inches
40 32
60 48
67 53.6
72 57.6
80 64
84 67.2
90 72
100 80
120 96
150 120
180 144
210 168
240 192
250 200
270 216
300 240
400 320
500 400
Note: For screen sizes not indicated on the projection tables, use the formulas on page 1.
Note: "NA" means it is outside the screen range for that lens. Refer to "Screen Sizes" in Lens Specifications on Page 1.
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Throw Distance
rear lens
GT13ZLB
GT10RLB
1.2 - 1.5:1
1.0:1
inches
inches
24 30.0 36.0 - 45.2
36 46.1 55.2 - 69.0
40.2 51.7 62.0 - 77.4
43.2 55.7 66.8 - 83.3
48 62.1 74.5 - 92.9
50.4 65.3 78.3 - 97.6
54 70.2 84.1 - 104.8
60 78.2 93.7 - 116.7
72 94.2 112.9 - 140.5
90 118.3 141.8 - 176.2
108 142.4 170.6 - 212.0
126 166.5 199.5 - 247.7
144 190.6 228.4 - 283.5
150 198.6 238.0 - 295.4
162 NA 257.2 - 319.2
180 NA 286.1 - 354.9
240 NA
300 NA
C
Throw Distance
GT19ZL
1.7 - 2.2:1
inches
51.0 - 68.4
78.3 - 104.2
87.8 - 116.7
94.6 - 125.7
105.5 - 140.0
110.9 - 147.2
119.1 - 158.0
132.7 - 175.9
159.9 - 211.7
200.7 - 265.4
241.6 - 319.2
282.4 - 372.9
323.2 - 426.7
336.8 - 444.6
364.0 - 480.4
404.9 - 534.1
NA NA
NA NA
5.3"
zoom lenses
GT20ZL GT24ZLB
2.0 - 2.6 2.2 - 3.2:1
inches inches
NA
60.1 - 80.0
92.1 - 122.0 101.6 - 152.0
103.3 - 136.7 114.0 - 170.3
111.3 - 147.2 122.9 - 183.3
124.1 - 164.0 137.1 - 204.3
130.6 - 172.4 144.2 - 214.7
140.2 - 185.0 154.8 - 230.4
156.2 - 205.9 172.6 - 256.5
188.2 - 247.9 208.0 - 308.8
236.3 - 310.9 261.3 - 387.2
284.3 - 373.9 314.5 - 465.6
332.4 - 436.8 367.7 - 544.0
380.4 - 499.8 421.0 - 622.4
396.4 - 520.8 438.7 - 648.6
428.5 - 562.8 474.2 - 700.8
476.5 - 625.7 527.4 - 779.2
NA
704.9 - 1040.6
NA NA
GT5000/6000
GT34ZLB
3.2 - 4.8:1
inches
NA
NA
NA
NA
200.6 - 307.6
211.0 - 323.3
226.6 - 346.9
252.5 - 386.2
304.5 - 464.8
382.3 - 582.7
460.2 - 700.6
538.1 - 818.6
615.9 - 936.5
641.9 - 975.8
693.8 - 1054.4
771.7 - 1172.3
1031.2 - 1565.4
1290.8 - 1958.4
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