Epson Powerlite 830p 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 don’t see the image you are trying to project, try the following: 
■Make sure the cables are connected correctly, as described 
beginning on page 45.
■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 the...

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...

Displaying and Adjusting the Image23
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...

24Displaying and Adjusting the Image
Adjusting the Image 
Once you see your image, you need to make certain adjustments:    
■If the image is too high or too low, you can reposition it. See 
below.
■If you have quick setup enabled on the projector, see page 25. 
■To focus or zoom your image, 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.
Adjusting the Height of Your Image 
If...

Displaying and Adjusting the Image25
Using Quick Setup
You can use the Quick Setup button on the projector or the remote 
control to quickly and automatically set up the projector’s focus, 
zoom, and shape, as well as the Wall Shot setting. All you need to do is 
position your projector, then press 
Quick Setup. Make sure you 
enable Quick Setup for all of the settings you want to use as described 
on page 76.
Focusing and Zooming Your Image 
Use the Focus buttons on the projector or remote to sharpen...

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 opposite 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 
Keystone and...

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. 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 either the 
Tracking + or the 
Tracking - button.
If the...

Displaying and Adjusting the Image29
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 P...

30Displaying and Adjusting the Image
Using the Direct Power On Function
The Direct Power On function enables fast and easy setup and shut 
down. This feature is convenient for ceiling mounted projectors 
because you can simply flip a switch that is connected to the power 
outlet for the projector to turn it on or off. For desktop or table-top 
use, you can quickly unplug the projector immediately without having 
to wait for it to cool down. Then you can pack up the projector and 
go. 
Follow these steps...