Epson Powerlite 7850p Multimedia Projector Users Guide

Displaying and Adjusting the Image21
Troubleshooting Display Problems
Follow these guidelines if you’re having trouble displaying an image.
You Can’t Project an Image
If you see a blank screen or a blue screen with the No Signal message, 
try the following:
■Make sure the cables are connected correctly, as described in 
Chapter 3.
■Make sure the power light is green and not flashing and the lens 
cap is off. 
■If you’ve connected more than one computer and/or video source, 
you may need to press one of...

22Displaying and Adjusting the Image
■If the function key doesn’t permit you to display simultaneously 
on both screens, you should check your monitor settings to make 
sure both the LCD screen and the external monitor port are 
enabled. 
From the Control Panel, open the 
Display utility. In the Display 
Properties dialog box, click the 
Settings tab, then click 
Advanced. The method for adjusting the settings varies by 
brand; you may need to click a 
Monitor tab, then make sure the 
external Monitor...

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If you’re using OS 8.6 to OS 9.x:
You may need to set up your system to display on the projector screen 
as well as the LCD screen. Follow these steps:
1. From the Apple menu, select 
Control Panels, then click 
Monitors or Monitors and Sound.
2. Click the Arrange icon.
3. Drag one monitor icon on top of the other. 
If the Arrange option isn’t available, you may need to select one of the 
Simulscan resolution settings:
1. Click the 
Monitor icon. 
2. Select a...

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Adjusting the Image
Once you see your image, you need to make certain adjustments:    
■To focus or zoom your image, see below. 
■If the image is too high or too low, you can reposition it. See 
page 25.
■If the image isn’t square, see page 26.
■If a computer image displays incorrectly, see page 28. 
If you need to fine-tune the image and/or sound, see Chapter 4.
Focusing and Zooming Your Image
Use the focus ring on the projector to sharpen the image.
Use the zoom...

Displaying and Adjusting the Image25
Adjusting the Height of Your Image
If the image is too low on the screen, you can use the front adjustable 
foot to raise it. 
1. Stand behind the projector. Press the blue foot release lever up 
and lift the front of the projector. 
2. Once the image is positioned where you want it, release the lever 
to lock the foot in position.
3. If necessary, you can fine-tune the height or level the image by 
turning the projector’s rear feet. 
Raising the projector causes the...

26Displaying and Adjusting the Image
Adjusting the Image Shape
In most cases, you can maintain a square or rectangular image by 
placing the projector directly in front of the center of the screen with 
the base of the lens level with the bottom of the screen. 
Even if the projector is slightly tilted (within a range of 40° up or 
down), the projector has an automatic keystone correction function 
that detects and corrects vertical keystone distortion.
It takes about one second after projection starts...

Displaying and Adjusting the Image27
Using Keystone Correction
To adjust your image when it is wider on one side, do the following:
■Look at the shapes of the icons on the projector’s four Keystone 
buttons. Press the button whose icon is the mirror image of the 
shape of your screen image. Continue pressing the button until 
you are satisfied with the shape of the image.
■Or press the Menu button on the remote control, select the 
Setting menu, and press Enter. From the Setting menu, select...

28Displaying and Adjusting the Image
Correcting Computer Images
If you’re connected to a computer and the image doesn’t look right, 
press the 
Auto button on the remote control (or the Auto/Enter 
button on the projector’s control panel). This automatically resets the 
projector’s tracking, sync, resolution, and position settings.
If vertical bands appear in the projected image and the 
Auto button 
doesn’t correct the problem, hold down the 
Shift button on the 
projector’s control panel while pressing...

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Shutting Down the Projector
When you’ve finished using the projector, follow the recommended 
procedure to shut it down. This extends the life of the lamp and 
protects the projector from possible overheating. 
1. Turn off any equipment plugged into the projector. 
2. To turn off the projector, press the red P
Power button on the 
projector or remote control. 
You see a confirmation message. (If you don’t want to turn it off, 
press any other button.)
3. Press the...

30Displaying and Adjusting the Image