Epson Powerlite 7850p Multimedia Projector Users Guide

Solving Problems181
If you’re using a PC laptop:
■Hold down the Fn key on the keyboard and press the function 
key that lets you display on an external monitor. It may have an 
icon such as  , or it may be labelled 
CRT/LCD. Allow a few 
seconds for the projector to sync up after pressing it. Check your 
laptop’s manual or online help for details. 
On most systems, the   key lets you toggle between the LCD 
screen and the projector, or display on both at the same time.
■Depending on your computer’s video...

182Solving Problems
The message Not Supported is displayed.
■Make sure the correct Input Signal is selected in the Setting 
menu (see page 137).
■Make sure your computer’s resolution doesn’t exceed UXGA 
(1600 
× 1200), and the frequency is supported by the projector 
(see page 204). If necessary, change your computer’s resolution 
setting as described on the following page. 
Only part of the computer image is displayed.
■Press the Auto button on the remote control.
■Make sure the image Position setting...

Solving Problems183
The image isn’t square, but keystone-shaped.
■If the top or bottom of the image is broader, press the Sync + or 
Sync - button on the projector until the image is square.
■If the projector is angled toward the screen from the left or right, 
the image will be broader on one side. Center the projector in 
front of the middle of the screen, facing the screen squarely. If this 
doesn’t work, press the 
Tracking + or Tracking - button on the 
projection until the image is square.
■If the...

184Solving Problems
■Adjust the Sharpness setting on the Video menu (see 
Chapter 6). When you change video settings, you should 
be able to see the effect on the screen immediately. If you’re 
projecting from a computer, you may also need to adjust the 
tracking and sync as described in the next section. If you don’t 
like the new settings, you can always select 
Reset to return to 
the factory default settings.
You see vertical bands, or the image still looks blurry after 
trying the solutions in the...

Solving Problems185
3. Adjust the Sync setting to increase the sharpness of the 
image. 
The colors of the image are not right.
■If you’re displaying a computer image, use the Color Mode 
option in the projector’s Video menu to adjust the color. If you’re 
displaying video, adjust the 
Color, Tint, and Color Mode 
settings on the Video menu.
■Try changing the Color Adjustment setting on the Advanced 1 
menu.
■Check your computer display settings to correct the color balance.
There is no sound.
■Make sure...

186Solving Problems
Solving EasyManagement Problems 
You don’t see your projector in the EMP Monitor window.
■Make sure that you’ve connected the projector to the network and 
configured it correctly; see page142 for information about setting 
up the projector for a wired network, or page 70 for information 
about setting it up for a wireless network. Also, make sure you’ve 
registered the projector with EMP Monitor. See page 144.
■Make sure that Standby Mode in the projector’s Advanced 1 
menu is set to...

Solving Problems187
■If you’ve changed any settings for your projector or network, or 
you’ve restarted your computer, allow a minute or two for the 
connection to appear. If you’re using AirPort, you may have to 
turn AirPort off and then on again.
■Make sure that you’re trying to connect to the right network. In 
Windows, verify that you’ve enabled your computer’s connection 
to the access point (see page 85) or that your wireless card or 
adapter is enabled and its SSID is set to match the projector’s...

188Solving Problems
■If you’re using Access Point mode and you’re connecting to the 
wrong network, you may be experiencing signal interference from 
another network. Try resetting your access point or base station, 
then restart NS Connection.
■If you’re using AirPort, the projector’s ESSID should match the 
AirPort network name, not the name of the AirPort base station. 
To check the network name, start the AirPort Admin utility, 
select your base station, and click 
Configure. Then click Show 
All...

Solving Problems189
In EMP SlideMaker, your PowerPoint files don’t display 
thumbnails and can’t be pasted into scenarios.
If you use PowerPoint 97, make sure the MS Office JPEG converter 
has been installed. Run the Office 97 installer, display the 
Converts 
and Filters
 option, and install the JPEG filter. Also, make sure 
PowerPoint is installed on the computer you’re using to build the 
scenario.
You can’t edit scenario files in EMP SlideMaker after they 
have been transferred to the memory card....

190Solving Problems
Solving Problems with the Remote 
Control
The projector doesn’t respond to remote control commands.
■If you’re using the remote control for the first time, be sure to 
push up on the 
ON/OFF switch, as shown on page 19.
■The remote control’s batteries may not be installed correctly or 
may be low on power. To change the batteries, see page 34. 
■Make sure your remote control’s ID is set to 0, or to the 
projector’s ID. See page 135.
■Make sure you are within about 30 feet (10 meters)...