Nec GT1150, GT2150 Installation Guide
NEC Solutions (America), Inc.
Visual Systems
GT1150/2150 Installation Guide
Desktop and Ceiling Mount v6.6
Contents
Product Description, Lens Specs, Notes and Formulas Page 1
Projection Distances and Screen Sizes
Ceiling Mount Installation
Desktop Setup
Lens Shift Adjustable Range
GT20ZL Lens
GT13ZL/GT19ZL/GT24ZL/GT34ZL Lenses
GT10RLB & GT20ZL Screen Size Information Page 6
Cabinet Dimensions
Top, Front and Right Side
Bottom, Back and Left Side Page 8
Ceiling Mount Dimensions
Control Codes
Product Description
Type: 3 panel LCD, 1.3” p-Si TFT w/MLA Dimensions: 16.5”(W) x 8.25”(H) x 19.45”(D)
Native Resolution: GT1150: 1024 x 768 Weight: GT1150: 22.1 lbs w/o lens
GT2150: 1366 x 1024 GT2150: 28.3 lbs w/o lens
Brightness: GT1150: 3000 ANSI Lumens Power Lens Shift/Power Zoom/Power Focus
GT2150: 2500 ANSI Lumens
Lens Specifications
GT10RL Throw Ratio: 1.0:1(approx.) Focal Length: 27mm
(discontinued) Screen Sizes: 40”-300” F/#: 2.3
GT10RLB Throw Ratio: 1.08:1(approx.) Focal Length: 28.9mm
Screen Sizes: 40”-200” (see note below) F/#: 2.4
*GT13ZL/13ZLB Throw Ratio: 1.3 - 1.6:1(approx.) Focal Length: 34.5 - 42.5mm
Screen Sizes: 40” - 300” F/#: 2.3 - 2.8
GT19ZL/19ZLB Throw Ratio: 1.8 - 2.4:1(app r ox.) Focal Length: 48.9 - 63.7mm
(check availability) Screen Sizes: 40” - 300” F/#: 2.0 - 2.5
*GT20ZL Throw Ratio: 2.1 - 2.8:1(approx.) Focal Length: 57.4 – 74.7mm
Screen Sizes: 40” - 300” (see note below) F/#: 1.8 - 2.5
GT24ZL/24ZLB Throw Ratio: 2.4 - 3.4:1(app r ox.) Focal Length: 64.0 – 92.8mm
Screen Sizes: 60” - 400” F/#: 2.5 - 3.2
GT34ZL/34ZLB Throw Ratio: 3.4 - 5.2:1(app r ox.) Focal Length: 92.4 - 140.6mm
Screen Sizes: 80” - 500” F/#: 2.5 - 3.4
*GT10RLB and GT20ZL may need a metal plate removed at the back of the lens to achieve full screen size range (see page 6).
Notes
• For screen sizes not indicated on the projection charts, use the formulas below.
• If a value in a chart does not match the results of the formulas, use the values in the chart.
• The ceiling must be strong enough to support the projector and the installation must be in accordance with any local
building codes.
• All formulas are based on a 4:3 aspect ratio and screen.
• Distances are in inches, for millimeters multiply by 25.4.
• Distances may vary ±5%.
Formulas (for a 4:3 screen)
Units: Inches (for millimeters multiply final number by 25.4)
Definitions:
Projection Formulas:
(discontinued) GT10RL: C = 1.027W – 2.468 H = Screen Height (4:3)
GT10RLB: C = 1.0891W – 2.087 C = Throw Distance
GT13ZL/13ZLB: C(Wide) = 1.3099W – 2.325 --- C(Tele) = 1.6111W – 2.325
(check availability)GT19ZL/19ZLB: C(Wide) = 1.8639W – 3.228 --- C(Tele) = 2.4231W – 3.228 Screen Formulas:
GT20ZL: C(Wide) = 2.1731W – 3.987 --- C(Tele) = 2.8477W – 3.949 W = Screen Diagonal x 4/5
GT24ZL/24ZLB: C(Wide) = 2.4282W – 4.799 --- C(Tele) = 3.5209W – 4.799 H = Screen Diagonal x 3/5
GT34ZL/34ZLB: C(Wide) = 3.5523W – 6.786 --- C(Tele) = 5.3284W – 6.786 Screen Diagonal = W x 5/4
www.necvisualsystems.com GT1150/2150 Page 1 of 10
W = Screen Width (4:3)
Page 2
Page 3
Page 4
Page 5
Page 7
Page 9
Page 10
Ceiling Mounted Installation
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The following diagram shows the relationship bet ween projector position and the screen. Refer to the chart below for data.
Distances are in inches. For millimeters multiply by 25.4.
Throw Distance
6.3"
9.5"C
Shift +
Screen Ctr
Factory Preset
Lens Centered
with Mount
Shift -
GT
Note: See Page 4 and 5 for lens shift range for each lens.
Note: Lens shift is not available on GT10RL/GT10RLB (rear lenses). GT10RL/GT10RLB should be used only for “zero degree/no-
offset” applications.
Distance Chart (for popular screen sizes)
Screen Size
(4:3)
Diag W H 1.0:1 1.08:1
inches inches inches inches inches
40 32 24 30.4 32.8 39.6-49.2 56.4-74.3 65.6-87.2
60 48 36 46.8 50.2 60.6
67 53.6 40.2 52.6 56.3 67.9
72 57.6 43.2 56.7 60.6 73.1
84 67.2 50.4 66.6 71.1 85.7
90 72 54 71.5 76.3 92.0
100 80 60 79.7 85.0 102.5
120 96 72 96.1 102.5 123.4
150 120 90 120.8 128.6 154.9
180 144 108 145.4 154.7 186.3
200 160 120 161.9 172.2 207.3
240 192 144 194.7 NA 249.2
250 200 150 203.0 NA 259.7 319.9 369.6 481.4 430.6 565.6 480.8 699.4 703.7 1058.9
270 216 162 219.4 NA 280.6
300 240 180 244.0 NA 312.1
400 320 240 NA NA 772.2
500 400 300 NA NA 1414.1
Rear Lenses
GT10RL
(discontinued)
GT10RLB*
GT13ZL/13ZLB
1.3 - 1.6:1 1. 8 - 2. 4: 1
75.0 86.2-113.1 100.3-132.7 111.8-164.2
84.0 96.7-126.7 112.5-148.7 125.4-183.9
90.5 104.1-136.3 121.2-160.1 135.1-198.0
105.9 122.0-159.6 142.0-187.4 158.4-231.8 231.9-351.3
113.7 131.0-171.2 152.5-201.1 170.0-248.7 249.0-376.9
126.6 145.9-190.6 169.9-223.9 189.5-276.9 277.4-419.5
152.3 175.7-229.4 204.6-269.4 228.3-333.2 334.2-504.7
191.0 220.4-287.5 256.8-337.8 286.6-417.7 419.5-632.6
229.7 265.2-345.7 308.9-406.1 344.9-502.2 504.7-760.5
255.5 295.0-384.5 343.7-451.7 383.7-558.5 561.6-845.8
307.0 354.6-462.0 413.2-542.8 461.4-671.2 675.3-1016.3
345.7 399.4-520.2 465.4-611.2 519.7-755.7 760.5-1144.1
384.3 444.1-578.3 517.6-679.5 578.0-840.2 845.8-1272.0
NA NA
Note: For screen sizes not indicated on the chart, use the formulas on page 1.
Note: “NA” means it is outside the screen range for that lens. Refer to “Screen Sizes” in the Lens Specifications on Page 1.
*GT10RLB and GT20ZL may need a metal plate removed at the back of the lens to achieve full screen size range (see page 6).
www.necvisualsystems.com GT1150/2150 Page 2 of 10
Throw Distance
GT19ZL/19ZLB
(check availability)
inchesinches
NANA NA
Zoom Lenses
GT20ZL*
2.1 - 2.8:1
inches
NA
GT24ZL/24ZLB GT34ZL/34ZLB
2.4 - 3.4:1
inches inches
NA
1121.9 1130.0-1698.3
NA
3.4 - 5.2:1
NA
NA
NA
NA
2124.6
Desktop Setup
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
The following diagram shows the relationship bet ween projector position and the screen. Refer to the chart below for data.
Distances are in inches. For millimeters multiply by 25.4.
Screen Ctr
Throw Distance
Shift +
Factory Preset
Shift -
4.65"
Note: See Page 4 and 5 for lens shift range for each lens.
Note: Lens shift is not available on GT10RL/GT10RLB (rear lenses). GT10RL/GT10RLB should be used only for “zero degree/no-
offset” applications.
Distance Chart (for popular screen sizes)
Screen Size
(4:3)
Diag W H 1.0:1 1.08:1
inches inches inches inches inches
40 32 24 30.4 32.8 39.6-49.2 56.4-74.3 65.6-87.2
60 48 36 46.8 50.2 60.6
67 53.6 40.2 52.6 56.3 67.9
72 57.6 43.2 56.7 60.6 73.1
84 67.2 50.4 66.6 71.1 85.7
90 72 54 71.5 76.3 92.0
100 80 60 79.7 85.0 102.5
120 96 72 96.1 102.5 123.4
150 120 90 120.8 128.6 154.9
180 144 108 145.4 154.7 186.3
200 160 120 161.9 172.2 207.3
240 192 144 194.7 NA 249.2
250 200 150 203.0 NA 259.7 319.9 369.6 481.4 430.6 565.6 480.8 699.4 703.7 1058.9
270 216 162 219.4 NA 280.6
300 240 180 244.0 NA 312.1
400 320 240 NA NA 772.2
500 400 300 NA NA 1414.1
Rear Lenses
GT10RL
(discontinued)
GT10RLB*
GT13ZL/13ZLB
1.3 - 1.6:1 1.8 - 2.4:1
75.0 86.2-113.1 100.3-132.7 111.8-164.2
84.0 96.7-126.7 112.5-148.7 125.4-183.9
90.5 104.1-136.3 121.2-160.1 135.1-198.0
105.9 122.0-159.6 142.0-187.4 158.4-231.8 231.9-351.3
113.7 131.0-171.2 152.5-201.1 170.0-248.7 249.0-376.9
126.6 145.9-190.6 169.9-223.9 189.5-276.9 277.4-419.5
152.3 175.7-229.4 204.6-269.4 228.3-333.2 334.2-504.7
191.0 220.4-287.5 256.8-337.8 286.6-417.7 419.5-632.6
229.7 265.2-345.7 308.9-406.1 344.9-502.2 504.7-760.5
255.5 295.0-384.5 343.7-451.7 383.7-558.5 561.6-845.8
307.0 354.6-462.0 413.2-542.8 461.4-671.2 675.3-1016.3
345.7 399.4-520.2 465.4-611.2 519.7-755.7 760.5-1144.1
384.3 444.1-578.3 517.6-679.5 578.0-840.2 845.8-1272.0
NA NA
Note: For screen sizes not indicated on the chart, use the formulas on page 1.
Note: “NA” means it is outside the screen range for that lens. Refer to “Screen Sizes” in the Lens Specifications on Page 1.
*GT10RLB and GT20ZL may need a metal plate removed at the back of the lens to achieve full screen size range (see page 6).
Throw Distance
GT19ZL/19ZLB
(check availability)
inchesinches
NANA NA
Zoom Lenses
GT20ZL*
2.1 - 2.8:1
inches
NA
GT24ZL/24ZLB GT34ZL/34ZLB
2.4 - 3.4:1
inches inches
NA
1121.9 1130.0-1698.3
NA
3.4 - 5.2:1
NA
NA
NA
NA
2124.6
www.necvisualsystems.com GT1150/2150 Page 3 of 10
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