NEC NP-PA600 Series Manuel utilisateur

Multi Screen Tool

User’s Manual

NEC Projector User Supportware

Introduction

Thank you for using the Multi Screen Tool.

Please read this User's Manual carefully to aid in the proper use of this product before using the Multi Screen Tool.

The Multi Screen Tool is a software application for easy performing stacked projection using the "Geometric

Correction" function of NEC projectors and tiled projection using the "Edge Blending" function.

This manual mainly describes operations for the NP-PA600 series.

Terminology

In this manual,

•"Stacking correction" refers to all of the processes below using the Multi Screen Tool.

1. Photographing the projected images of multiple projectors with a web camera

2. Perform comparisons and calculations so that the content of the projected images is superimposed, and

create the GEOMETRIC CORRECTION data

3. Send the [GEOMETRIC CORRECTION] data to each projector

•"Tiling correction" refers to all of the processes below using the Multi Screen Tool.

1. Photograph the images projected on multiple projectors using a web camera.

2. Create the GEOMETRIC CORRECTION data for joining the projected images and projecting them within

the screen's frame and the specied range, and create the "Edge Blending" data to adjust the brightness

of the seams.

3. Send the "GEOMETRIC CORRECTION" and "Edge Blending" data to the respective projectors.

About copyrights of projected images

When using this software to project images for commercial purposes or public viewing, reducing the projected area

or reshaping the image with respect to the original may infringe upon the rights of the copyright holder as protected

by copyright laws.

When performing tiled or stack projection, be careful with discrepancies in the aspect ratio and with distortion in the

projected images.

NOTE

(1) Unauthorized reproduction of a part of or all of the content of this manual is prohibited.

(2) The content of this manual is subject to change without notice.

(3) Great care has been given to the creation of the content of this manual; however, should you notice any

questionable points, errors, or omissions, please contact us.

(4) Notwithstanding section (3), NEC will not bear any responsibility for claims due to loss, lost profit, or other

matters for reason of the use of this software.

Stacking correction

Create the geometric correction data so that the projected images

of two to four projectors are superimposed on one another.

Stacking lets you achieve high brightness projections.

Tiling correction

Create geometric correction data to project a single image using

two to four projectors.

Also, use the edge blending function to adjust for the difference

in brightness at the seams where the projected images overlap to

achieve a seamless image with a sense of unity.

With a short projection distance, you can achieve high brightness

projections.

Effects of stacking/tiling correction

•When performing tiling correction with two projectors,

the images are corrected with respect to the screen's

frame as shown on the diagram at the right, and the

aspect ratio is not maintained.

Reference

•The resolution of the projected image is the same as

the projector's display resolution.

•The geometric correction data is created by using a

web camera to photograph the projected images of

projectors to which the same video signal is input then

zooming in or out and masking the images based on

the images that have been photographed to fit on the

screen (specified projection range).

This is not a function for inputting controlled image

signals to multiple projectors to form a single projected

image.

•When the projector's on-screen menu is used while

projecting in multi screen with tiling correction, the edge

blending function is canceled while the on-screen menu

is displayed, resulting in bands of different brightnesses

at the overlapping parts of the projected images. (The

image returns to as it was before when the on-screen

menu turns off.)

- Similarly, when the input signal is switched and the

signal name is displayed, the edge blending function

is canceled. We recommend using the projector's on-

screen menu to set SETUP →MENU →SOURCE

DISPLAY to [OFF] beforehand.

•The edge blending function is optimized for when the

presetting is set to "Graphic".

If the presetting differs depending on the input signal,

differences in brightness may occur at the parts where

the projected images overlap.

•When using the tiling function with the NP-PA500U/NP-

PX750U/NP-PH1000U, pay attention to the following:

- Only signals with a vertical frequency of 48Hz to 60Hz are supported.

When signals other than the above are input, they are projected with the edge blending function canceled.

(Bands of different brightnesses appear at the overlapping parts of the projected images.)

- The PIP/PBP function and the remote control's sectional zoom function cannot be used.

•When using the NP-PX750 series, unify the color wheel types (6 Segment-White / 6 Segment-Color) included with the

main unit.

•This cannot be used simultaneously with the edge blending function on the projector's on-screen menu.

Turn off the setting on the on-screen menu before performing stacking/tiling correction.

Note

Adjustment of the

projected images'

seams with the edge

blending function

Precautions in Projector Installation

•Leave sufcient space to the left and right of the projectors so that there is no obstruction of projector air intake

and exhaust. Obstruction of air intake and exhaust will result in a rise of the internal temperature of the projector

and will cause breakdown.

•Do not physically stack projectors one above the other.

Projectors that are physically stacked could fall causing damage and breakdown of the projectors.

For details on the installation precautions, see the operating instructions of the projector you are using.

The precautions below are for the NP-PA600 series.

Installation Example Using 2 Projectors

In consideration of using this software, we recommend an installation like the following when the installation

combines 2 projectors.

Installation Examples

Warning

•Please request ceiling mount and other special installation at your store of purchase.

Installation should never be undertaken by the customer. Doing so could result in

the projectors falling or in injury. A strong cabinet that will support the weight of the

projectors should be used in this installation. Do not stack the projectors directly one

upon the other.

•Please see the user's manual of the projector for information about the range of projection distance.

Note

RearFront

Exhaust Intake Ventilation inlet Ventilation outlet

Cabinet Cabinet Cabinet

Right side

Restrictions on Projectors that Are to Be Installed

•Install all projectors on the same network.

•Use projectors with the same resolution.

•Use the same model to the extent possible.

* When there is a difference in the brightness of the projectors, the web camera might not accurately read the

projection image at the time of calibration.

* Differences in brightness can also be caused by the [ECO MODE] setting. Make the same [ECO MODE]

setting on all the installed projectors.

•Please note that the use of this software for [DESKTOP REAR] and [CEILING REAR] projector projection

methods is not supported.

Application Environment of the Multi Screen Tool

The following personal computer environment is recommended to provide convenient use of web cameras when

calibrating.

Supported operating systems: Windows 7(32-bit/64-bit), Windows Vista(32-bit/64-bit) or Windows XP(32-bit)

Intel Core 2 Duo 2.6 GHz or greater processor

2 GB or more memory capacity

1 GB or more free hard disk space

Use of the Multi Screen Tool should be performed by an "Administrator" for Windows 7/Windows Vista, and

a "Computer Administrator" for Windows XP.

Required Components

.NET Framework 3.5 or later

DirectX 9 (for Windows Vista/XP)

DirectX 10 (Windows 7)

Supported Equipment

Projector*¹

NP-PA600X/NP-PA550W/NP-PA500U*2(rmware version 1.02 or later)

NP-PX750U*2/NP-PX700W/NP-PX800X (rmware version 1.03 or later)

NP-PH1000U*2(rmware version 1.04 or later)

Web camera

Logitech®Webcam Pro 9000

Logitech®HD Pro Webcam C910

Logitech®HD Pro Webcam C920

*1It is not possible to use projectors with different resolutions simultaneously. Use projectors with the same resolution.

*2Restrictions apply when using the tiling function. For details, see page 21.

Supported Screens

Only ﬂat screens are supported. Curved screens are not supported.

Screen widths of up to 10 meters are supported, but it may not be possible to calibrate properly for screens on which

the difference in brightness is great between the center and the edges.

Note

Flow through stacking/tiling correction

Install the Multi Screen Tool Page 9

Install and connect the computer, projector, or web camera Page 13

Setup the Multi Screen Tool Page 16

Make adjustments to the projector or web camera

Projector preparation Page 21

Perform stacking/tiling correction Page 22

Table of Contents

Effects of stacking/tiling correction................................................................. 3

Precautions in Projector Installation ............................................................... 5

Installation Example Using 2 Projectors ................................................................5

Restrictions on Projectors that Are to Be Installed ........................................ 6

Application Environment of the Multi Screen Tool.......................................... 6

Flow through stacking/tiling correction........................................................... 7

1. Installation of the Multi Screen Tool ........................................................... 9

Installing the Multi Screen Tool ..................................................................................9

Uninstallation of the Multi Screen Tool .....................................................................12

Windows 7/Windows Vista...................................................................................12

Windows XP ........................................................................................................12

2. Installation and Connection of Equipment.................................................13

Connections for stacking/tiling correction.................................................................13

Connections for Projecting an Image .......................................................................14

For analog RGB signals ......................................................................................14

For digital RGB signals........................................................................................15

Video signal

.........................................................................................................15

3. Multi Screen Tool Settings ..........................................................................16

Starting the Multi Screen Tool .................................................................................16

Names of the Multi Screen Tool Screen...................................................................16

Multi Screen Tool Menu............................................................................................18

Names of the Calibration Screen .............................................................................19

4. Preparation of the Projectors..................................................................... 21

5. Performing Stacking/Tiling Correction...................................................... 22

6. Calibration .................................................................................................. 25

7. List of Error Messages ............................................................................... 27

1. Installation of the Multi Screen Tool

Preparation: Save the downloaded Multi Screen Tool le to the desired location

* The same installation procedure is used for Windows 7/Windows Vista and Windows XP.

1. Double click MSTxxx.exe

The installation screen appears. Click [Next (N)].

.NET Framework 3.5 or later is required to use the Multi Screen Tool.

If this condition is not met, the screen at the right appears when

MSTxxx.exe is launched.

When [Install] is selected, a connection will be made with the Internet

and downloading of the required component les from the distribution

source site will begin.

When the download is completed, the setup program will start

automatically. Follow the instructions on the screen and complete the

setup.

* When making a new installation of .NET Framework 3.5 on

Windows XP (i.e., an older version of .NET Framework has not

been installed), the required component files will have a size of

about 63 MB (and about 20 MB when using Windows Vista). It

could take a considerable time from the start of downloading to the

completion of installation.

Also, if requested to restart Windows after installing .NET

Framework 3.5, please follow the instructions and restart Windows.

The installation of the Multi Screen Tool will continue after

restarting Windows.

* If connection cannot be made with the Internet, use another

computer that can connect with the Internet and access the URL

listed below, then download the required component les and use

them.

[.NET Framework 3.5]

http://msdn.microsoft.com/ja-jp/netframework/default.aspx

.NET Framework 3.5 Installation

Screen

Installing the Multi Screen Tool

This software cannot be used simultaneously with the Stacking Correction Tool. If the Stacking Correction

Tool is already installed, uninstall it.

Note

1. Installation of the Multi Screen Tool

2. Select "I accept the terms in the license

agreement" and click [Next].

Please read the content of the END USER LI-

CENSE AGREEMENT carefully.

A screen for verifying the installation location will be dis-

played.

3. Click [Next]

To change the installation location, click [Change] and

specify the installation location.

A screen notifying that the installation preparation has

been completed will be displayed.

4. Click [Install]

The installation will begin.

As the installation proceeds, installation will start for appli-

cations required in the operation of the Multi Screen Tool.

5. Click [OK]

The EasyStack installation screen appears.

If a language selection screen is displayed, select the

language and click [OK].

Note

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