Epson EMP Link 21L User manual

EMP Link 21L
User’s Guide

Notice
1. This document may not be copied, in whole or in part.
2. The content of this document is subject to change without notice.
3. Every effort has been made to ensure that the content of this document is up-to-date and free of error,
but in the event you notice an error or missing information, please bring it to our attention so that we
can rectify it.
4. Regardless of item 3 above, SEIKO EPSON CORPORATION can assume no responsibility for any
damage or loss caused by the use of this product.
5. SEIKO EPSON CORPORATION shall not be liable for any damage, loss or injury due to improper
use of this product, usage in a manner other than as described in this document, or repair or
modification by any party other than EPSON or a third party authorized by EPSON.
6. SEIKO EPSON CORPORATION shall not be liable for any damage or problems caused by the use
of components, parts, options or consumables other than those designated as Original EPSON
products or EPSON Approved Products by SEIKO EPSON CORPORATION. In such a case, repairs
will be charged.
Trademark information
Windows and Windows NT are trademarks or registered trademarks of Microsoft Corporation in the
U.S.A. and/or other countries.
Macintosh is a registered trademark of Apple Computer, Inc.
Adobe and Acrobat are trademarks of Adobe Systems Inc.
Intel and Pentium are registered trademarks of Intel Corporation.
EPSON is a registered trademark of SEIKO EPSON Corp.
Other products used here in are for identification purposes only and may be trademarks of their
respective owners. EPSON disclaims any and all rights in those trademarks.
Copyright © 2002 SEIKO EPSON CORPORATION, Nagano, Japan

EPSON EMP Link 21L User’s Guide 3
Table of contents
Table of contents
1 About EMP Link 21L ........................................................................................... 4
1.1 What is EMP Link 21L?...........................................................................................................4
1.2 Operating environment.............................................................................................................5
1.3 Supported projectors.................................................................................................................6
1.4 How to use this manual ............................................................................................................6
2 Installing EMP Link 21L ...................................................................................... 7
2.1 For Windows ............................................................................................................................7
2.2 For Macintosh...........................................................................................................................9
3 Un-installing EMP Link 21L...............................................................................10
3.1 For Windows ..........................................................................................................................10
3.2 For Macintosh.........................................................................................................................10
4 Using EMP Link 21L .........................................................................................11
4.1 Starting EMP Link 21L (for Windows)..................................................................................11
4.2 Starting EMP Link 21L (for Macintosh) ................................................................................11
4.3 Using the toolbar ....................................................................................................................12
4.4 Exiting EMP Link 21L (for Windows) ..................................................................................16
4.5 Exiting EMP Link 21L (for Macintosh).................................................................................16
5 If a Problem Occurs ..........................................................................................17
5.1 Communication with the projector is not possible. ................................................................17
5.2 The user logo file cannot be downloaded...............................................................................17
Appendix A About the EPSON Projector USB-COM Driver..................................18
A.1 Operating environment ...........................................................................................................18
A.2 Installing the EPSON Projector USB-COM Driver ...............................................................19
A.3 Un-installing the EPSON Projector USB-COM Driver .........................................................21

EPSON EMP Link 21L User’s Guide 4
1 About EMP Link 21L
1 About EMP Link 21L
1.1 What is EMP Link 21L?
EMP Link 21L is an application to control a SEIKO EPSON projector connected to your computer.
Basically, the application provides the following two functions.
• Controlling the projector
From the connected computer, you can control the projector and change various settings of images
projected from the projector.
• Setting a user logo
You can select a file, adjust its zoom ratio, and then send it to the projector as a user logo.

EPSON EMP Link 21L User’s Guide 5
1 About EMP Link 21L
1.2 Operating environment
EMP Link 21L runs in the following environments.
Note: When using EMP Link 21L, please make sure that your projector is cabled to your computer.
For Windows
The following table lists ports supported by each operating system.
Note: When using EMP Link 21L with a USB port, you need to separately install a dedicated driver (EPSON
Projector USB-COM Driver). For details on the EPSON Projector USB-COM Driver, refer to Appendix
A, “EPSON Projector USB-COM Driver” in this manual.
OS Windows 95/98/Me/NT 4.0 Workstation/2000/XP Professional/XP Home
Edition
CPU Intel Pentium 166 MHz or above
(Windows XP: 300 MHz or above)
Memory 32 MB or more of available memory
(Windows XP: 128 MB or more of available memory)
Hard Disk Drive 5 MB or more of available space
Port One of the following ports is required.
-- Serial port
-- USB port for Windows 98/Me/2000/XP
OS Serial Port USB Port
Windows 95 Supported -
Windows 98 Supported Supported
Windows Me Supported Supported
Windows NT 4.0 Workstation Supported -
Windows 2000 Supported Supported
Windows XP Professional Supported Supported
Windows XP Home Edition Supported Supported

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1 About EMP Link 21L
For Macintosh
Note: When you install EMP Link 21L on Macintosh, the necessary driver (EPSON Projector USB-COM
Driver) is also automatically installed. For details on the EPSON Projector USB-COM Driver, refer to
Appendix A, “EPSON Projector USB-COM Driver” in this manual.
1.3 Supported projectors
EMP Link 21L can be used with SEIKO EPSON projectors supporting the ESC/VP 21 commands.
1.4 How to use this manual
This manual illustrates how to operate EMP Link 21L using Windows 98 as an example. If your
operating system is not Windows 98, then the screen shots shown in this manual may be different from
what you actually see on your computer. However, this does not affect the operation. If an operation is
different due to the difference of the operating system, this will be noted.
OS MacOS 8.6 - 9.2/X 10.1 (Classic)
CPU Power PC or above
Memory 32 MB or more of available memory
(MacOS X: 128 MB or more of available memory)
Hard Disk Drive 5 MB or more of available space
Port One of the following ports is required.
-- Serial port
-- USB port

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2 Installing EMP Link 21L
2 Installing EMP Link 21L
This section describes how to install EMP Link 21L.
2.1 For Windows
Follow the procedure below to install EMP Link 21L. Make sure to exit any application that is still
running.
1. Double-click the downloaded file EMPLink21LSetup.exe.
2. The installation program starts and displays the following screen. Click [Next] to continue the
installation procedure, or [Cancel] to cancel it.

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2 Installing EMP Link 21L
3. Specify an installation destination folder. If the folder shown is the one you desire, click [Next]. To
specify another folder, click [Browse] and select a folder. To cancel the installation procedure, click
[Cancel].
4. Specify a program folder. To use a folder different from the displayed one, enter a new name or select
another folder from the list. Click [Next] to continue the installation procedure, or [Cancel] to cancel
it.
5. When the InstallShield Wizard Complete screen appears, click [Finish].
The installation procedure is completed. There is no need to restart the PC.

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2 Installing EMP Link 21L
2.2 For Macintosh
Follow the procedure below to install EMP Link 21L to Macintosh.
1. Expand the downloaded file.
2. The EMPLink21LInstaller folder is created. Double-click Installer in the folder.
3. The installation program starts and displays the following screen. Click [OK] to continue the
installation procedure, or [Quit] to cancel it.
4. Specify an installation destination folder. When you open the desired folder and click [Install], EMP
Link 21L is installed into this folder. If you want to cancel the installation procedure, click [Cancel].
5. When the “Installing is completed. Restart Macintosh.” message appears, click [OK].
The installation procedure is completed. Restart the computer.

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3 Un-installing EMP Link 21L
3 Un-installing EMP Link 21L
This section explains how to un-install EMP Link 21L.
3.1 For Windows
Follow the procedure below to un-install EMP Link 21L from Windows.
1. Click the [Start] menu on the task bar.
2. Point to [Settings] and then select [Control Panel].
3. Double-click [Add/Remove Programs].
4. Click [EPSON EMP Link 21L].
5. Click the [Add/Remove] button.
6. Follow the instructions on the screen to un-install EMP Link 21L.
The un-installation procedure is completed.
3.2 For Macintosh
Follow the procedure below to un-install EMP Link 21L from Macintosh.
1. Drag and drop the EMP Link 21L folder into the Trash.
2. Drag and drop Link21L in [System Folder]-[Startup Items] to the Trash.
3. Select [Empty trash...] from the [Special] menu.
The un-installation procedure is completed.

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4 Using EMP Link 21L
4 Using EMP Link 21L
This section describes how to use EMP Link 21L as well as its various functions.
4.1 Starting EMP Link 21L (for Windows)
When Windows starts up, EMP Link 21L starts at the same time and becomes available on the task tray
all the time. To display the EMP Link 21L screen (toolbar and dialog box), double-click icon on the
task tray. Alternatively, right-click the task tray to display the menu. From the menu, select
[Display EMP Link 21L].
4.2 Starting EMP Link 21L (for Macintosh)
When Macintosh starts up, EMP Link 21L starts at the same time as well. To display its toolbar and
dialog box, select [Show EMP Link 21L] from the [Window] menu.

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4 Using EMP Link 21L
4.3 Using the toolbar
This section describes how to use the EMP Link 21L toolbar and its various functions.
Settings screen display button
Clicking this button displays the following screen. From the screen, you can set the communications port
and the shortcut key.
COM
Specify a port to connect. From the list of available ports, select the one you want to use.
Note: If the projector is connected to Windows via a USB port, then the port is treated as a COM port. To check
the port number, perform the following procedure.
1. Click the [Start] menu.
2. Point to [Settings] and then select [Control Panel].
3. Double-click [System].
4. Click [Device Manager].
5. Double-click [Ports (COM & LPT)].
Show Dialog ShortCut
Specify a shortcut key to use to display the EMP Link 21L screen. The following keys or key
combinations are available. By default, no shortcut key is used (OFF).
Windows: (OFF), F2, Ctrl+W, Ctrl+SPACE, Ctrl+Alt, Alt+Insert
Macintosh: (OFF), Ctrl+W, Ctrl+T, Ctrl+Space, Option+A, Option+Z

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4 Using EMP Link 21L
Simple adjustment screen display button
Clicking this button displays the following simple adjustment screen. On this screen, you can adjust the
brightness, contrast, sharpness, sound volume, horizontal keystone, and vertical keystone of images
projected from the projector.
Note: Some buttons are not supported depending on projector model you use.
Brightness adjustment
Adjust the brightness of images projected from the projector.
Contrast adjustment
Adjust the contrast of images projected from the projector.
Sharpness adjustment
Adjust the sharpness of images projected from the projector.
Sound volume adjustment
Adjust the sound volume of the projector.
Vertical keystone adjustment
Adjust the vertical keystone of the projector, which corrects any distortion in the vertical direction of
images projected from the projector.
Horizontal keystone adjustment
Adjust the horizontal keystone of the projector, which corrects any distortion in the horizontal
direction of images projected from the projector.

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4 Using EMP Link 21L
User logo setting screen display button
Clicking this button displays the following screen to set up a user logo. You can select a file, adjust its
zoom ratio, and then send it to the projector as a user logo.
Note: This function is not supported depending on projector model you use.
The following table lists the types of files you can use as user logos:
File selection dialog box display button
Clicking this button displays the file selection dialog box. You can then select a file to use as a user
logo. If a file has already been selected, then the name of the file appears to the right of the button.
Zoom ratio adjustment
Set the zoom ratio of the user logo file. The following zoom ratios are available for selection:
100%, 200%, and 300%.
Download start button
Use this button to begin downloading a user logo file. This button is disabled if no file has been
selected.
Note: While downloading a file, do not disconnect the communications cable connecting the computer and
the projector.
OS File Type
Windows BMP, JPEG
Macintosh PICT, JPEG

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4 Using EMP Link 21L
Source switching button (Computer/YCbCr)
Use this button to switch the input source of the projector. Clicking the button switches the input source
in the same sequence performed by the [Computer/YCbCr] button on the panel of the projector.
Note: This button is not supported depending on projector model you use.
Source switching button (Video)
Use this button to switch the input source of the projector. Clicking the button switches the input source
in the same sequence performed by the [Video] button on the panel of the projector.
Note: This button is not supported depending on projector model you use.
A/V Mute button
Use this button to enable or disable the A/V Mute function of the projector. The button functions in the
same way as the [A/V Mute] button on the panel of the projector.
Power button
Use this button to turn on/off the projector.
Close button
Use this button to close the EMP Link 21L screen.

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4 Using EMP Link 21L
4.4 Exiting EMP Link 21L (for Windows)
Right-click the EMP Link 21L's icon on the task tray to display the menu. From the menu, select
[Exit].
4.5 Exiting EMP Link 21L (for Macintosh)
From the [File] menu, select [Quit].

EPSON EMP Link 21L User’s Guide 17
5 If a Problem Occurs
5 If a Problem Occurs
5.1 Communication with the projector is not possible.
Reason 1
The projector is not connected properly, or the projector is turned off.
Solution
Make sure the cable is correctly connecting the projector to your computer. Also, make sure the projector
is turned on.
Reason 2
The projector does not support EMP Link 21L.
Solution
Make sure your projector supports EMP Link 21L.
Reason 3
The port is not correctly specified on the projector.
Solution
Make sure the port is correctly specified on the projector.
5.2 The user logo file cannot be downloaded.
Reason
The projector does not support user logo.
Solution
Read the operating manual that comes with the projector and confirm whether the projector supports user
logo.

EPSON EMP Link 21L User’s Guide 18
Appendix A About the EPSON Projector USB-COM Driver
Appendix A About the EPSON Projector USB-COM Driver
If you use a USB cable to connect the projector to a Windows PC, you need to install the EPSON
Projector USB-COM Driver on the PC before using EMP Link 21L.
For Macintosh, when you install EMP Link 21L, the EPSON Projector USB-COM Driver is also
installed automatically. Therefore, no further installation procedure is required.
A.1 Operating environment
The EPSON Projector USB-COM Driver runs in the following environments.
For Windows
Note: EPSON Projector USB-COM Driver also operates on Windows XP. When installing this driver on
Windows XP, please ignore any warning messages and continue installation.
For Macintosh
OS Windows 98/98 Second Edition/Me/2000
CPU Intel Pentium 166 MHz or above
Memory 32 MB or more of available memory
Hard Disk Drive 5 MB or more of available space
Port USB port available on PC
OS MacOS 8.6 - 9.2/X 10.1 (Classic)
CPU Power PC or above
Memory 32 MB or more of available memory
(MacOS X: 128 MB or more of available memory)
Hard Disk Drive 5 MB or more of available space
USB Interface USB Manager 1.2 or later
Remarks This driver uses SerialShimLib supplied with the OS. It does not run
properly if SerialShimLib is not present in the [Extensions] folder.

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Appendix A About the EPSON Projector USB-COM Driver
A.2 Installing the EPSON Projector USB-COM Driver
This section explains how to install the EPSON Projector USB-COM Driver.
For Windows PC
Follow the procedure below to install the EPSON Projector USB-COM Driver. Make sure to exit any
application that is still running.
1. Double-click the downloaded file Setup.exe.
2. The installation program starts and displays the following screen. Click [Next] to continue the
installation procedure, or [Cancel] to cancel it.

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Appendix A About the EPSON Projector USB-COM Driver
3. When the following screen appears, the installation procedure is completed. Click [Finish] and then
restart the PC.
For Macintosh
For Macintosh, when you install EMP Link 21L, the EPSON Projector USB-COM Driver is also
installed automatically. Therefore, no further installation is required.