Epson Powerlite 7850p Multimedia Projector Users Guide

							Welcome11
Registration and Warranty
Your projector comes with a basic carry-in warranty as well as an 
international warranty that let you project with confidence anywhere 
in the world. For details, see page 212 and the warranty brochure 
included in your Start Here kit. 
In addition, for customers who register their projector, EPSON offers 
free Extra Care
SM Road Service. In the unlikely event of an equipment 
failure, you won’t have to wait for your unit to be repaired. Instead, 
EPSON will ship you a replacement unit anywhere in the United 
States or Canada, usually via overnight delivery. See the brochure in 
your Start Here kit for details.
To register, simply fill out the registration card included in your Start 
Here kit and mail it to EPSON. Or you can register online at 
http://epsonwebreg.info2.net/. Registering also lets you receive special 
updates on new accessories, products, and service. 
						

							12Welcome
Unpacking the Projector
After unpacking the projector, make sure you have all the parts shown 
below: 
Save all packaging in case you need to ship the projector. Always use 
the original packaging (or the equivalent) when you need to send the 
projector to another location. If you are moving the projector by 
hand, use a carrying case (either an EPSON case or something similar, 
such as a laptop case). See page 14 for ordering information, and 
page 174 for transportation instructions.
note
You won’t need all these 
components; your 
configuration will determine 
which ones you need.
Projector Remote control and 
batteries
Projector software 
CD-ROM Power cable VGA computer cable RCA-style audio cable
RCA-style video cable Stereo mini-jack audio cable USB cable
802.11b wireless card 
						

							Welcome13
Additional Components
Depending on how you plan to use the projector, you may need 
additional components:
■To receive an S-video signal, you’ll need an S-video cable. One 
may be provided with your video equipment, or you can purchase 
one from EPSON; see page 14.
■To receive a component video signal from a VCR or other video 
device, you’ll need a component video cable.
■Some older PowerBooks® and Macintosh® desktop models may 
need the Macintosh desktop adapter set shown on page 55 
(available from EPSON; see page 14.) Older iMac
® systems may 
need a special adapter to provide a VGA output port; see your 
computer dealer. 
						

							14Welcome
Optional Accessories 
To enhance your use of the projector, EPSON provides the following 
optional accessories: 
You can purchase these accessories from your dealer, by calling 
EPSON at (800) 873-7766, or by visiting the EPSON Store
SM at 
www.epsonstore.com (U.S. sales only). In Canada, please call 
(800) 463-7766 for dealer referral. 
Product Part number
Replacement lamp and air filters V13H010L22
Air filter replacement set V13H134A01
ATA molded hardshell case 
ATA shipping caseELPKS48
ELPKS46
Ceiling mount
Suspension adapter
False ceiling plateELPMB40
ELPMBAPL
ELPMBFCP
Middle Throw Zoom Lens 
Long Throw Zoom Lens V12H004M03
V12H004L05
Kensington
® security lock  ELPSL01
Projection screens:
50-inch portable screen 
60-inch portable pop-up screen
80-inch portable pop-up screenELPSC06
ELPSC07
ELPSC08
Macintosh adapter set (includes monitor adapter 
and desktop adapter)ELPAP01
Remote control cable set  V12H005C28
DVI to DVI digital video cable, 10 ft.
DVI to DFP digital video cable, 10 ft.
Component video cable, 10 ft.
S-video cableV12H005C20
V12H005C21
ELPKC19
ELPSV01
Distribution amplifier ELPDA01
High resolution document imager
High resolution document camera
Motion presentation cameraELPDC02
V12H064020
ELPDC03 
						

							Displaying and Adjusting the Image15
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: 
■Positioning the projector
■Turning the projector on and selecting the image source
■Troubleshooting display problems
■Adjusting the image
■Turning off the projector 
						

							16Displaying and Adjusting the Image
Positioning the Projector
If you’re setting up the projector yourself and it isn’t already installed 
in the theater or conference room you’re using, you’ll probably want 
to place it on a table in front of the screen, as shown.  x art below
This lets you stand in the front of the room, face the audience, and 
remain close enough to the equipment to be able to control it. Try to 
leave as much space as possible between the projector and the screen to 
get a good-size image. 
Use the figure below to help you determine placement. Image size 
increases with distance, but can vary depending on how you position 
the zoom ring and whether you’ve adjusted the image with other 
settings.
Also keep these considerations in mind: 
■Place the projector on a sturdy, level surface.
■Make sure there is plenty of space for ventilation around and 
under the projector. Do not set the projector on top of loose 
papers that could block the vents under the projector. 
■Make sure the projector is within 10 feet of a grounded electrical 
outlet or extension cord. 
note
You can mount the projector 
on the ceiling, or place it 
behind a translucent screen 
for rear projection. See 
Appendix B for details.
2.6 to 3.5 ft 7 to 9.5 ft 27 to 36.5 ft distance from screen
 TBD 
						

							Displaying and Adjusting the Image17
Ideally, you should place the projector directly in front of the center of 
the screen, facing it toward the screen squarely. The base of the lens 
should be at about the level of the bottom of the screen.  
If you place the projector below screen level, you’ll have to tilt it up by 
extending its feet. This causes the image to become “keystone” shaped, 
but you can correct the distortion by pressing the 
Sync buttons on the 
projector. See page 26 for detailed information about correcting the 
image shape.
For instructions on installing the projector in a permanent location, 
such as a theater or conference room, see Appendix B.
note
After positioning the 
projector, you may want to 
connect a Kensington 
MicroSaver
® anti-theft 
device to the lock port on the 
projector’s left side. You can 
purchase this from EPSON; 
see “Optional Accessories” on 
page 14.
ScreenProjector 
						

							18Displaying and Adjusting the Image
Projecting the Image
Make sure your projector and other equipment are set up as described 
in Chapter 3. 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 have to select the 
image source manually (see page 20).
Follow these steps to turn on the projector:
1. Remove the lens cap. 
2. Plug one end of the power cable into the projector, and the other 
end into a grounded electrical outlet.
3. Wait until the Ppower light stops flashing and turns orange. note
To shut down the projector, 
see page 29. Shutting down 
the projector correctly 
prevents premature lamp 
failure and possible damage 
from overheating. 
Power light 
						

							Displaying and Adjusting the Image19
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.) 
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 
for use. 
5. If you’ve connected a Windows-based computer to the projector, 
you may see a New Hardware Wizard saying your computer has 
found a plug-and-play monitor; if so, click 
Cancel.
Turn on 
remotePower button
warning
Never look into the lens 
when the lamp is on. This 
can damage your eyes, and is 
especially dangerous for 
children. 
						

							20Displaying 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 
EasyMP, and between equipment 
connected to the 
Computer and DVI ports. 
Use the 
Video/BNC button to switch between equipment 
connected to the 
Video, S-Video, and BNC ports. 
■The remote control has six Source buttons. Use them to switch 
between equipment connected to the port identified on each 
button, or select EasyMP to project wirelessly or from a memory 
card.
Note that the 
Computer and BNC ports can be set up to use different 
input signals (for example, Analog RGB or RGB Video)—so if you 
have equipment connected to one of these ports, it’s important to 
make sure the correct signal is selected to match the equipment you’re 
using. You can change the input signal settings using the projector’s 
menu system; see page 137. 
note
To focus and adjust the 
image, see page 24. If a 
projected image fails to 
appear, see page 21 for help.
note
You can also preview all 
sources on one screen to help 
you select the desired source 
(see page 36).