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WTIW77™ Installation Guide
Contents
Product Description, Lens Specs, Notes and Formulas
Diagrams and Distance Charts
Wall Mounted Side View Installation
Wall Mounted Front View Installation
Whiteboard Dimensions
Front
Back and Left Side
Cabinet Dimensions
Front, Top, Mirror Opened and Mirror Closed
Back, Right Side and Bottom
Optional Wall Mount Dimensions
Control Codes
Product Description
Type:
Whiteboard
1 chip DMD
Native Resolution: 1024 x 768 (1024x576 for 16:9 screens)
Brightness:
2000 lumens
Screen/Aspect Ratio_
Both 4:3 and 16:9 screens are fully supported with proper aspect ratio control for both type sources using NEC developed
scaling technology. By selecting the screen type in the menus, Aspect Ratio control is reconfigured for that screen type.
Notes
For screen sizes not indicated on the projection charts, use the formulas below.
If the figures on the tables do not match the results of formulas, use the figures in the table.
All calculations are based on 4:3 aspect ratio.
Distances are in inches, for millimeters multiply by 25.4.
Distances may vary ±5%.
Formulas
The Projection Formulas use the image width for calculation. Image width is the same for all aspect ratios, only vertical image size
varies. For proper projector placement, determine the image width for a desired screen size. Use the Screen Formulas below to
calculate all screen dimensions. Plug the screen width in for "W" in the Projection Formulas.
Refer to the diagrams and charts for popular screen sizes on page 2 and 3.
Definitions:
W = Screen width
H = Screen height
B = Vertical distance between projector foot and screen center
C = Throw distance
D = Vertical distance between projector foot and screen bottom
(screen top for ceiling mounted application)
Projection Formulas:
B = 0.6882W + 3.935
C = 0.4874W - 13.056
D(4:3) = 0.3132W + 3.935
D(16:9) = 0.407W + 3.935
Vertical Position for a 16:9 screen: The Vertical Position adjustment moves the 16:9 image up and down in the unused portion of
the 4:3 DLP panel. This adjustment is only available when the projector is set for 16:9 in the "Screen" menu. The range of Vertical
Position is dependent on aspect ratio and 3D Reform used. If 3D Reform is not used, the approximate range of vertical position is
+/-0.167H (H=Screen Height) when using a 16:9 screen. (See "Screen Type" and "Position" in user manual)
www.necdisplay.com
TM
Lens-less projector
NEC Display Solutions of America, Inc.
Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Page 9
Dimensions:
62.0"(W) x 78.0"(H) x 30.9"(D)
Weight:
92.1 lbs
Screen Range: 77" Diagonal (4:3)
4:3 Screen Formulas:
W = H x 4/3
H = W x 3/4
Screen Diagonal = W x 5/4
16:9 Screen Formulas:
W = H x 16/9
H = W x 9/16
Screen Diagonal = W x 18.358/16
WTIW77
v1.1
Page 1 of 10

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   Summary of Contents for NEC IW77

  • Page 1: Product Description

    Screen/Aspect Ratio_ Both 4:3 and 16:9 screens are fully supported with proper aspect ratio control for both type sources using NEC developed scaling technology. By selecting the screen type in the menus, Aspect Ratio control is reconfigured for that screen type.

  • Page 2

    +/-0.167H (H=Screen Height) when using a 16:9 screen. (See “Screen Type” and “Position” in user manual) Note: For screen sizes not indicated in the distance charts, use the formulas on page 1. www.necdisplay.com NEC Display Solutions of America, Inc. Distance chart for popular 4:3 screen sizes Image Size (4:3) Diagonal...

  • Page 3

    NEC Display Solutions of America, Inc. WTIW77™ Installation Guide v1.1 Wall Mounted Installation cont. The following diagram shows the relationship between projector position and the screen. Refer to the charts below for data. Distances are in inches. For millimeters multiply by 25.4.

  • Page 4

    3D Reform used. If 3D Reform is not used, the approximate range of vertical position is +/-0.167H (H=Screen Height) when using a 16:9 screen. (See “Screen Type” and “Position” in user manual) NEC Display Solutions of America, Inc. inches inches inches 46.2...

  • Page 5

    NEC Display Solutions of America, Inc. WTIW77™ Installation Guide v1.1 Whiteboard Dimensions The following drawings show the cabinet dimensions for the IW77. Dimensions are in inches. For millimeters multiply by 25.4. 74.00 9.38 1.88 1.88 www.necdisplay.com WTIW77 Page 5 of 10...

  • Page 6

    NEC Display Solutions of America, Inc. WTIW77™ Installation Guide v1.1 Whiteboard Dimensions (continued) The following drawings show the cabinet dimensions for the IW77. Dimensions are in inches. For millimeters multiply by 25.4. 3.58 3.58 2.79 0.51 1.34 www.necdisplay.com WTIW77 Page 6 of 10...

  • Page 7: Cabinet Dimensions

    Dimensions are in inches. For millimeters multiply by 25.4. Mirror cover open Ventilation outlet 0.378 mount standoff 12.32 8.94 www.necdisplay.com Lamp cover Mirror cover closed NEC Display Solutions of America, Inc. Mirror cover lock switch 14.96 Final mirror Remote sensor Ventilation outlet WTIW77 v1.1 Page 7 of 10...

  • Page 8

    WTIW77™ Installation Guide Cabinet Dimensions (continued) The following drawings show the cabinet dimensions for the WT610. Dimensions are in inches. For millimeters multiply by 25.4. Ventilation inlet www.necdisplay.com NEC Display Solutions of America, Inc. Speakers M4*8 MAX For Mount 7.87 WTIW77 Page 8 of 10 v1.1...

  • Page 9

    NEC Display Solutions of America, Inc. WTIW77™ Installation Guide v1.1 Optional Wall Mount Dimensions (Model #: WT60WM) Opened Closed 16.49 7.48 0.52 8.50 17.00 www.necdisplay.com WTIW77 Page 9 of 10...

  • Page 10: Cable Connection

    PICTURE MUTE ON PICTURE MUTE OFF SOUND MUTE ON SOUND MUTE OFF ON SCREEN MUTE ON ON SCREEN MUTE OFF Note: Contact your NEC rep for codes not listed. Cable Connection Communication Protocol: Baud Rate: 38400 bps Data Length: 8 bits...

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