Epson EMP-7800 Quick Reference Guide

Troubleshooting, Projection preparation and adjustments

Troubleshooting, Projection preparation and adjustments

Do the input signal settings 
match the projector settings?
(When connected to the [BNC] port)
Has the computer been set for 
dual display?
Was the projector and 
computer connected while 
their power was already 
turned on?
If the connection is made while the power is already turned on, the 
function [Fn] key that switches the computer's video signal to external 
output may not work. Turn the power for the connected computer and 
the projector back on.
Do the input signal settings 
match the projector settings?
(When connected to the [BNC] port)
Is the computer display output 
set to only the computer's 
accessory screen?
If a problem occurs with the projected images even though the projector is set up and connected 
correctly, check the following points.
If the following does not solve the problem
The image signals need to be output to the projector. 
Change the output setting to an external destination only or to an 
external destination as well as the computer's own monitor.
Computer documentation, under a title such as 
"External output" or "Connecting an external monitor"
Cancel the dual display setting in the connected computer's Control 
Panel.
Computer documentation, under a title such as "Video driver"
User's Guide "Using the Help"
If you cannot select 
computer images or the 
images do not project 
correctly
The computer cannot 
be selected as the 
image source
Images appear 
greenish or purplish
Only part of the 
image is displayed
Only part of the 
images are projected
Repeatedly press the          button on the remote control or use the 
"BNC Input" command in the "Setting" menu to select the format 
that matches the equipment signal.
If a problem occurs with the projector, the Help function uses on-screen displays to assist you in 
solving the problem. 
Press the        button and answer the questions that are displayed to proceed through 
the help screens.
Using the help function
User's Guide "Troubleshooting"
Troubleshooting
Repeatedly press the          button on the remote control or use the 
"BNC Input" command in the "Setting" menu to select the format 
that matches the equipment signal.
User's Guide "When the Indicators Provide No Help"
       (Operation) indicator
Flashes green (warm-up in progress/approx. 40 seconds)
→ Lights green (projection in progress)
Check that the power cable is connected to the projector and 
to the electrical outlet.
Projection starts after a short period.
For a video source, press the [Play] button.
User's Guide 
"Turning the Projector On"
Projection preparation and adjustments
If "Password Protect" has been enabled, the "Password 
Protect Release" screen will be displayed when the power 
is turned on for the first time after the power plug is 
connected to an electrical outlet. Type in the password.
User's Guide "Preventing theft (Password Protect)"
Press the      button.
Turn the power on 
for all input 
equipment.
Set the [R/C] switch 
to "ON".
    7800E-QRG_03-12