Epson Powerlite 7250 Users Guide

Controlling Projector Features
123
Advanced Tab 
About Tab 
Option Description
Startup 
ScreenDisplays your user logo during the projector’s startup.
Color Setting Adjusts the whiteness of the screen. Positive color temperature 
values provide a cold white; negative values provide a warmer white. 
Project From Specifies that you want to project from the Ceiling or Rear Projection.
Cursor Speed Specifies a cursor speed.
Video Signal Specifies the input image signal mode. You can select AUTO, NTSC, 
NTSC...

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Gamma Tab 
Pattern 
DisplayDisplays the test pattern currently selected.
Reset Resets all fields to their default values.
Option Description
Select 
Gamma Specifies 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.
.
Pattern 
DisplayDisplays the test pattern currently selected.
Reset Resets all fields to their default values. Option Description 

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Changing the Test Pattern 
1. Choose the Test Pattern Setting option from the Option menu. 
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 Displays a bitmapped test pattern from the file
name specified. Either type...

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The bitmap should be 1024 × 768 pixels
(PowerLite 7250 and 7350) or 800
×600 
pixels (PowerLite 5350).
3. Click OK to save the settings and close the Setting Test Pattern 
screen.
4. Click Pattern Display on any Projector Control tab to display 
the selected test pattern. 
Specifying an Image Gamma 
1. Click the Gamma tab on the Projector Control dialog. The 
Gamma Setting window appears. 

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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.
Saving Projector Setting Files 
1. Choose the Save or Save As command from the File menu. The 
Save As window appears.
2. Enter a file name for the setting. The file will automatically be 
given an .elp extension.
3. Click Save. 

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Opening a Projector Setting File 
1. Choose the Open command from the File menu. The Open 
window appears.
2. Locate the file (.elp) you want to open, and then click Open. 

Controlling Projector Features
129
Creating a User Logo
You can create or edit a logo from the Setting User Logo dialog box, 
then save it to a file on your hard disk or download it to the projector.
1. Choose the Setting User Logo option from the Select Screen 
dropdown menu. The User’s Logo Setting window appears.
2. Choose the Open command from the File menu. The Open 
dialog appears.
3. Locate and open a bitmap or logo (.bmp or .lgo) file. The selected 
image appears in the display area.
4. To crop...

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5. Drag the mouse over the area you want to use as your logo.
6. Click OK to accept the changes. The User’s Logo window 
reappears.
7. To increase or decrease the size at which the logo displays, select a 
zoom percentage from the Zoom dropdown menu.
8. Choose the Save command from the File menu to automatically 
save the logo to your hard disk. To save the logo under a different 
file name, choose the Save As command. 
Note: You must save logo files using the...

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Creating Cursor/Stamps
You can create or edit a cursor or stamp from the Cursor/Stamp 
Setting window.
1. Choose the Cursor/Stamp Setting option from the Select 
Screen dropdown menu. The Cursor/Stamp Setting window 
appears. 

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2. Click the Edit button. The Cursor/Stamp edit window appears.
3. Create a new cursor/stamp using the pencil, line, square, ellipse, 
and color tools.
4. Click Renewal to insert the cursor/stamp into the next available 
spot in the Cursor/Stamp list.
5. Choose the Close command from the File menu to close the Edit 
window and redisplay the Cursor/Stamp Setting window.
6. Choose the Save or Save As command from the File menu to 
save your cursor/stamps. 
7. To...