Epson Powerlite 7800p Multimedia Projector Users Guide

Setting Up the Projector23
Connecting an External Monitor
If you want to monitor your presentation close-up (on a monitor 
placed beside the projector) as well as on the screen, you can connect 
an external monitor. You can use it to check on your presentation or 
switch between picture sources, even if you’ve pressed the 
A/V Mute 
button to turn off projection on the screen. 
To attach an external monitor, connect it to the projector’s 
Monitor 
Out
 port, as shown:
 
Follow these guidelines to view...

24Setting Up the Projector
Playing Sound Through the Projector
You can play sound through the projector’s speaker system, or you can 
attach an external speaker system. (Attaching speakers to the projector 
instead of directly to the audio source lets you use the projector’s 
remote control to adjust the sound.)
Connecting Audio Equipment to the Projector
To play sound through the projector, follow these steps:
1. Locate the appropriate audio cable (two types are included with 
the projector). Which...

Setting Up the Projector25
Connecting External Speakers
To connect speakers to the projector, follow these steps:
1. Obtain the appropriate cable to connect your speakers. 
Depending on your stereo system, you may be able to use a 
commercially available audio cable with a stereo mini-jack 
connector on one end, and pin jacks on the other end. For some 
speaker systems, you may have to purchase a special cable or use 
an adapter to connect to your speakers.
2. Connect the stereo mini-jack end of the...

26Setting Up the Projector 

Displaying and Adjusting the Image27
1
Displaying and Adjusting 
the Image
Whether you’re presenting from a computer or video equipment, 
you need to follow some basic steps to display your image on the 
screen. 
Follow the guidelines in this chapter for: 
■Turning the projector on and selecting the image source
■Troubleshooting display problems
■Adjusting the image
■Projecting images without a screen
■Protecting the projector with a password
■Turning off the projector 

28Displaying and Adjusting the Image
Projecting the Image
Make sure your projector and other equipment are set up as described 
in Chapter 1. Then follow the instructions below to start the projector 
and display an image. 
Turning on the Projector
If you turn on any connected computer or video equipment before 
starting the projector, this lets the projector automatically detect and 
display the image source. If you turn on the projector first, or have 
multiple pieces of connected equipment, you may...

Displaying and Adjusting the Image29
4. Press the red PPower button on top of the projector—or press 
the P
Power button on the remote control.
(If this is your first time using the remote control, make sure the 
batteries are installed and the on/off switch on the side of the 
remote is turned on; see page 46.) 
The Ppower light flashes green as the projector warms up, and an 
image begins to appear. When the Ppower light stops flashing 
and remains green (in about 40 seconds) the projector is ready...

30Displaying and Adjusting the Image
Selecting the Image Source
Selecting the image source lets you switch between images input from 
different pieces of equipment connected to the projector (such as a 
computer or DVD player). 
If you don’t see the image you want, select it using the 
Source 
buttons either on the projector or the remote control. 
The 
Source buttons work as follows:
■The projector has two Source buttons. Use the Computer/DVI 
button to switch between equipment connected to the...

Displaying and Adjusting the Image31
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 1.
■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...

32Displaying 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...