Epson Powerlite 7550c Users Guide

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Check the items you want to install; ELP Link III V2.0 must be 
installed, but the User’s Guide and Acrobat Reader are optional.
7. Click Install to install the software on your hard disk.
8. When installation is complete, click Quit. If you are installing 
Acrobat Reader, you see the Acrobat Reader 3.0 Installer 
screen.
9. Click Continue. You see the software license agreement for 
Acrobat Reader 3.0.
10. If you don’t want to install Acrobat Reader, click Decline. 
Otherwise, click Accept and follow the instructions on screen.
11. When installation is complete, restart your computer.
Starting ELP Link III
Before you start the ELP Link III program, make sure you’ve done 
the following:p
Connected the necessary cables and installed the ELP Link III 
software
p
Turned on both the computer and projector
p
Disabled any screen savers
Note: You can also run the software without the projector, although 
you can’t change projector settings or perform certain other tasks. 
See “Bringing out detail in your projected image” on page 128 for 
details. 
						

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Starting the Program from Windows
If you have Windows 95, 98, or NT, click Start, point to Programs, 
ELPLink3, and then click the ELPLink3 program icon. The ELP 
Link III program icon appears minimized on the taskbar. Click the 
minimized icon.
If you have Windows 3.1x, double-click the ELPLink3 program 
group icon in the Program Manager. Then double-click the 
ELPLink3 icon.
The ELP Link III main dialog box appears: 
						

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Note: If you see a prompt asking you to open the software or select 
a port, the projector may be disconnected or connected to an 
incorrect COM port. If you want to run the software without the 
projector connected, click Unconnected and Execute. If the 
projector is connected, click Select a port, and retry. Then select the 
COM port you’re using on the next screen.
Starting the Program on a Macintosh
1. Open the ELPLink3 folder.
2. Double-click the ELP Link 3 icon. ELP Link III starts and three 
menus—File, Option, and Help—appear at the top of the screen.
Note: If the projector is not connected to your Macintosh, or is 
connected to the wrong COM port, you see a message 
indicating that there is no response from the projector. If you 
want to run the software without the projector, click 
Unconnected and Execute. If the projector is connected, click 
Select a port, and retry, then select the COM port you’re using 
on the next screen.
3. If you’re starting ELP Link III for the first time, select COM 
Port from the Option menu, then choose either the  printer or 
modem port (whichever port you connected the serial cable 
to).
4. Select Property Setting from the Option menu. You see the ELP 
Link III main dialog box.
Note: Your Macintosh screens may look slightly different than the 
screens shown in this chapter. 
						

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Changing the COM Port Assignment
If you didn’t select the correct COM (communication) port when 
setting up the software, or if you’ve changed the COM port to which 
the projector is connected, you can change the COM port setting 
from the ELP Link III software.
1. Select Com Port from the Option menu.
2. Choose a COM port from the list that appears. 
						

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Assigning Functions to the Effects Buttons
You can use the ELP Link III software to assign different functions 
to the remote control’s Effects buttons or program Effects buttons 
with your own customized functions. You can also save the 
assignments you make as a set, then recall that set at a later date 
when you want to use it for a different presentation. 
You assign functions from the ELP Link III main dialog box.
Note: For information about default assignments to the Effects 
buttons, see “Using the Effects buttons” on page 61. For 
information about defining key macros, see “Defining and Using 
Key Macros” on page 110.
select Defaults here to 
return all button 
assignments to their 
default valuesselect a function from 
this list box 
for Effects button 1
click here to modify a 
function or define a 
key macro 
						

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You can return Effects button assignments to their default values at 
any time by selecting Defaults in the list box in the upper left corner 
of the ELP Link III main dialog box.
Follow these steps to change Effects button assignments:
1. Click the list box that corresponds to the button you want to 
change and select a new function from the list. (See the screen 
on the preceding page.)
2. Repeat step 1 for each button to which you want to assign a new 
function.
3. If you want to modify any of the functions, click Detail Setting 
and follow the instructions in “Modifying Functions” on 
page 107.
4. If you want to create more than one set of button assignments, 
go to “Saving and Recalling Effects Button Assignments” on 
page 112. Otherwise, continue with step 5.
5. Click the Execute button at the bottom of the ELP Link III main 
dialog box when you’ve made all your changes. 
If you created only one set of Effects button assignments, these 
assignments will be active whenever you use the Effects buttons. If 
you created more than one set of assignments, the last set you 
created will be active until you select a different set. 
Note: You will not be able to use the Effects buttons if ELP Link III 
is active. Minimize or close the program first. 
						

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The table below describes the available functions and how to use 
them.Function Description and usage
Line Draws a straight line on the screen.
Press the Effects button assigned to this effect. Then press the bottom 
multi-purpose button once to define the line start position. Move the 
pointer using the remote pointer button. Then press the bottom 
multi-purpose button again to define the line end position. To draw 
another line, position the pointer where you want the line to start and 
press the bottom multi-purpose button again to define the new line start 
position.
Ellipse Draws an ellipse (oval) on the screen.
Press the Effects button assigned to this effect. Then press the bottom 
multi-purpose button once to define the start position of the ellipse. 
Move the pointer using the remote pointer button. Then press the bottom 
multi-purpose button again to define the end position of the ellipse. To 
draw another ellipse, position the pointer where you want the ellipse to 
start and press the bottom multi-purpose button again to define the start 
position for the new ellipse. 
Box Draws a box on the screen.
Press the Effects button assigned to this effect. Then press the bottom 
multi-purpose button once to define the position of one corner of the 
box. Move the pointer using the remote pointer button. Then press the 
bottom multi-purpose button again to define the position of the opposite 
corner of the box. To draw another box, position the pointer where you 
want the box to start and press the bottom multi-purpose button again to 
define the start position for the new box. 
						

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105
Bar Creates a horizontal or vertical bar. You can use this function to 
highlight (or underline) a portion of the screen.
Press the Effects button assigned to this effect. Move the bar using the 
remote pointer button. Press the bottom multi-purpose button to lock the 
bar in place. To draw another bar, move the pointer to the new bar 
location and press the bottom multi-purpose button again to lock the 
new bar in place.
Stamp Leaves one or more copies of a pre-selected image on the screen.
Press the Effects button assigned to this effect. Use the pointer button to 
place the stamp where you want it to appear. Then press the bottom 
multi-purpose button to lock the stamp in place. To display another 
stamp, move the pointer to the new stamp location and press the bottom 
multi-purpose button again to lock the new stamp in place.
Cursor
ChangeChanges the pointer shape from a flat arrow to a three-dimensional 
arrow or other shape.
Press the assigned Effects button to display the new pointer shape.
Screen 
ClearClears all special effects from the screen.
Press the assigned Effects button to clear the screen.
Key Macro Pressing the assigned Effects button enters a key command that you’ve 
defined in the Detail Setting dialog box. 
You can assign different key macros to all five Effects buttons. You can 
also define a list of key macros that can all be assigned to the same 
Effects button, then cycle through the functions with each click of the 
button. 
See “Defining and Using Key Macros” on page 110 for more 
information. Function Description and usage 
						

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To cancel or end a function during a presentation, click the right 
mouse button (Windows), double-click your mouse (Macintosh) or 
press the top multi-purpose button (if you’re using the remote 
control as a mouse).
Modifying Functions
Once you’ve assigned a function to an Effects button, you can 
specify detailed options for that function.
1. Click Detail Setting on the ELP Link III main dialog box. A 
dialog box similar to the following appears. (The options and 
tabs displayed depend on which functions are currently assigned 
to the Effects buttons.) 
2. Click the tab for the function you want to adjust, then change 
any settings you wish. 
						

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3. To test each setting, click the Test button and use the effect as 
described in the table on the preceding pages. 
4. To end the test, click the right mouse button (Windows) or 
double-click the mouse (Macintosh). If you’re using the remote 
control as a mouse pointer, press the top multi-purpose button.
5. Click OK to save your changes and return to the ELP Link III 
main dialog box.
Your changes remain in effect until you enter new changes in the 
Detail Setting dialog box, so you can use the same style effect or the 
same key macros in different presentations. 
The following table describes the options available for each 
function. Function Options
Line
Width  Sets the line width, from 1 to 32 points.
Grid Specifies whether to have the line “snap” to the corners of a 
grid by entering the size of the sides of the box, in pixels 
(dots), up to 100.
Color  Specifies a color for the line.
Transparent Makes the background text or image visible through the line. 
Ellipse
Width  Sets the line width, from 1 to 32 points.
Color  Specifies a color for the line.
Transparent Makes the background text or image visible through the 
ellipse.
Fill Fills the ellipse with color.