NEC MT1056 User Manual

NEC Solutions (America), Inc.

Visual Systems

MT1055/1056 Installation Data

with Optional MT10RL Rear Lens

Contents

Product Description, Lens Specs, Notes and Formulas Page 1
Projection Distances and Screen Sizes

Rear Projection Installation
Other Applications
Rear Projection Systems Page 3
Cabinet Dimensions
Top, Front and Right Side
Bottom, Back and Left Side
Control Codes

Product Description

Type: 3 panel, 1.3” p-Si TFT w/MLA LCD projector Dimensions: 11.1”(W) x 5.3”(H) x 16.9”(D) (w/lens installed)
Native Resolution: 1024 x 768 Weight: 17.4 lbs
Brightness: 3000 ANSI Lumens (2600 for MT1055) Manual Focus/Manual Zoom

MT10RL Lens Specifications

Throw Ratio: 1.0 : 1 (approx) Focal Length: 27mm
Offset Angle: 0
Screen Sizes: 40 – 300” Diagonal

°

F/#: 2.3

Notes

 For screen sizes not indicated on the projection tables, use the formulas below.
 If the figures on the tables do not match the results of formulas, use the figures in the table.
 The ceiling must be strong enough to support the LCD projector and the installation must be in accordance with any local

building codes.

• All calculations are based on 4:3 aspect ratio.

• Distances are in inches, for millimeters multiply by 25.4.

• Distances may vary ±5%.

Formulas

Units: Inches (for millimeters multiply final number by 25.4)

Definitions:

H = Horizontal Screen Width (4:3)
V = Vertical Screen Height (4:3)
C = Throw distance
α = Throw Angle

Projection Formulas:

C = 1.0190H – 2.468 H = Screen Diagonal x 4/5

°

V = Screen Diagonal x 3/5

α = 0

Screen Diagonal = H x 5/4

Screen Formulas (4:3):

v 3.0

Page 2

Page 4
Page 5
Page 6

(w/lens installed)

Page 1

NEC Solutions (America), Inc.

Visual Systems

MT1055/1056 Installation Data

with Optional MT10RL Rear Lens v 3.0

Projection Distance and Screen Size for Desktop (Rear Projection)

The following diagram shows the relationship between projector position and the screen.
Distances are in inches. For millimeters multiply by 25.4.

Desktop Setup

C

Throw Distance

Screen Ctr

Distance Chart

Diagonal Width Height

40" 32" 24" 30.1"

60" 48" 36" 46.4"

67" 53.6" 40.2" 52.2"

72" 57.6" 43.2" 56.2"

84" 67.2" 50.4" 66.0"

2.56"

Screen Size

Throw Angle = 0

Projector Foot

°

C

90" 72" 54" 70.9

100" 80" 60" 79.1"

120" 96" 72" 95.4"

150" 120" 90" 119.8"

180" 144" 108" 144.3"

Note: For screen sizes not indicated on the projection tables, use the formulas on page 1.

Page 2