Epson Powerlite 7300 Users Guide

							Using the Software
103
Changing the COM Port Assignment
If you did not select the correct COM (communication) port when 
setting up the software, or if you have 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 Options menu.
2. Choose a COM port from the list that appears.
Controlling Projector Features
You can use the Projector Setting window to control the following 
features: l
Projector Controls
l
Test Pattern 
l
Color Properties
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Displaying the Projector Set Window
Follow these steps to display the Projector Setting window from 
Windows:
1. Display the ELP Link III main dialog box. See page 95 for details.
2. Select the Projector Setting icon at the bottom of the screen. 
The Projector Setting window appears:
 Note: See “Launching the Software on a Macintosh” on page 96 for 
information about displaying the Projector Setting window on a 
Macintosh.
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							Using the Software
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Using the Quick Change Toolbar 
To quickly change some basic projector settings, click one of the 
toolbar buttons described below:
Changing Projector Settings 
1. Click Projector Control on the Projector Set dialog box. The 
following window appears:
Power On, Off
Volume Up, Down, Mute
Brightness Up, Down Contrast Up, Down
Blank, Freeze
Auto, Resize
Video, Computer
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2. Click the tab for the settings you want to adjust.
3. Change one or more of the following options.Video Tab (Computer Input) Option Description
Brightness Adjusts screen brightness. 
Contrast Adjusts screen contrast. 
Sync. Adjusts the sync (synchronization) to remove screen flicker.
Tracking Adjusts tracking to remove vertical lines.
Color Adjusts the balance of red, green, and blue in the image.
Position  Adjusts the horizontal and vertical screen position.
Auto Set Up Enables or disables automatic adjustment of the graphic signal being 
sent from the computer to optimize it for the projector.
Pattern 
DisplayDisplays the test pattern currently selected.
Reset Resets all fields to their default values.
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Video Tab (Video Input) Option Description
Brightness Adjusts screen brightness. 
Contrast Adjusts screen contrast. 
Sharpness Adjusts screen sharpness.
Color Adjusts the color density.
Tint Adjusts the color tint. (NTSC only)
Mode Selects the signal format. You can select AUTO, PAL, NTSC, or 
SECAM. AUTO automatically adjusts the image to the signal received.
Pattern 
DisplayDisplays the test pattern currently selected.
Reset Resets all fields to their default values.
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Audio Tab Option Description
Volume Adjusts sound volume. 
Treble Adjusts the treble tone.
Bass Adjusts the bass tone.
3D Sound Adjusts stereo sound effects. When you increase the number, the 
stereo effect is enhanced.
Pattern 
DisplayDisplays the test pattern currently selected.
Reset Resets all fields to their default values.
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Option Tab Option Description
Blank Specifies blank screen states:
Logo  The user’s logo displays briefly.
Black  A black screen displays.
Blue  A blue screen displays.
View Change Specifies how the screen should disappear when changing the image 
source:
Off  Turns the View Change setting off.
Diagonally  Images disappear and appear from the top left of the 
screen to the bottom right.
Left to Right  Images disappear and appear from the left to the right.
Fade In  Images appear from the center of the screen and 
disappear to the center.
Color Temp Specifies a color temperature.
H
 
High (more blue)
M  Medium (normal white)
L  Low (more red) 
User  Create a custom color temperature by using the slide 
bars to specify the amount of red and blue.
Install Specifies how the projector is being used:
Rear  Proj.  Use this setting when projecting to the back of a screen 
so the image is flipped left to right.
Ceiling  Use this setting when the projector is installed on the 
ceiling so the image is flipped top to bottom.
Prompt Temporarily displays a prompt on the projector screen identifying 
which source (computer or video) is providing the image.
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Custom Tab BNC Format Specifies the input image signal mode as either RGB or Y, R-Y, B-Y.
Pattern 
DisplayDisplays the test pattern currently selected.
Reset Resets all fields to their default values.
Option Description
Customize 
Function Zoom  Zooms in on the screen image.
Preview  Displays the images from all the connected devices on 
the screen at one time.
Strobe Displays the selected images in the specified number 
of frames and time interval.
Frame  Specifies the number of frames in which to show the
Counts image.
Frame Specifies the interval for the strobe, in seconds.
Times
Pattern 
DisplayDisplays the test pattern currently selected. Option Description
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Changing the Test Pattern 
1. Click Test Pattern on the Projector Setting dialog box. The 
following window appears:
2. You can display a test pattern to verify that the projector is 
working properly. Choose one of the following: 
Color ImageDisplays a color bar test pattern.
Gray ScaleDisplays a gray scale test pattern.
Focus Pattern  Displays a character-based focus pattern.
User File (bmp)Displays a bitmapped test pattern from the file
  name specified. Either type the name or click
Ref... (refer) to browse the hard disk for the file.
The bitmap should be 1024 ´ 768 pixels
(PowerLite 7200 and 7300) or 800 × 600 pixels.
3. Click Pattern Display to display the test pattern selected. Then 
click Close.
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Specifying an Image Gamma 
1. Click Gamma on the Projector Setting dialog box. The Gamma 
Setting window appears.
2. Select the desired gamma:
Gamma 1  Provides a dynamic and contrastive image.
Gamma 2 
Provides an image between Gamma 1 and Gamma 3.
Gamma 3  Provides a natural image.
3. Click Pattern Display to display the test pattern selected.
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