Epson Powerlite 7850p Technical Specifications

P R O D U C T  I N F O R M A T I O N  G U I D E
6/03
EPSON
UPDATE
6/17/03
This package provides a new multimedia projector product section to be added to the 
EPSON
 ® Product Information Guide. The table of contents of this section is listed below.
EPSON PowerLite® 7850p
TABLE OF CONTENTS
Projector Specifications ................................................................................ EPSON PowerLite 7850p Projector - 1
Positioning the Projector...

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Projector Specifications 
General
Type of display Poly-silicon Thin Film Transistor
(TFT), active matrix
Size of LCD panels    Diagonal: 1.0 inch (25.4 mm) 
Lens F=1.7 to 2.3, f=28 to 37 mm
Resolution 1024
 × 768 pixels (XGA, native format)
Color reproduction 24 bit, 16.8 million colors
Brightness 3500 lumens (ANSI) in low brightness 
mode
2500 lumens (ANSI) in high brightness 
mode
Contrast ratio 700:1
Image size 30 to 300 inches...

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2 - EPSON PowerLite 7850p Projector 6/03 Environmental
Temperature Operating: 41 to 95 °F (5 to 35 °C)
Storage: 14 to 140 °F (–10 to 60 °C)
Humidity Operating: 20 to 80% RH, 
non-condensing
Storage: 10 to 90% RH, 
non-condensing
Safety
United States FCC 47CFR Part15B Class B (DoC)
UL1950 Rev. 3
Canada ICES-003 Class B
CSA C22.2 No. 950-95 (cUL)
CE Marking Directive 73/23/EEC, 89/336/EEC
EN 55022, EN 55024
Compatible Video Formats
You can use any of the following video...

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Positioning the Projector
Follow these guidelines:
❏Place the projector on a sturdy, level surface, between 
2.6 and 36 feet from the screen. Image size generally 
increases with distance, but may vary depending on the 
position of the zoom ring and other settings.
❏Place it within 10 feet of an electrical outlet or extension 
cord and 5 feet of your computer or video source.
❏Allow space for ventilation around and under the...

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Connecting the Projector
You can connect the projector to three computer sources or 
four video sources—up to a total of four sources. You can 
include an independent sound channel for each source. (See 
the User’s Guide for complete setup instructions.) Using 
EasyMP,
® you can also connect over a wireless network, or 
view images on a memory card or digital camera.
Note: The preview feature lets you see all the sources at a...

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Starting Up the Projector
If you turn on your computer or video equipment before the 
projector, the projector automatically selects the connected 
source. If you turn on the projector first or you have multiple 
sources connected, you may have to switch to the desired 
source manually (see “Selecting the Image Source” on page 5).
Turning On the Projector
1. Remove the lens cap.
2. Plug in the projector. 
3. Wait a few seconds until...

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6 - EPSON PowerLite 7850p Projector 6/03 2. Press the corresponding 
Source button on the remote 
control to switch to the desired source. Or press the 
ESC 
button to exit the preview screen without switching sources. 
Note: A red border surrounds the preview window for the 
currently selected source. You can use the  pointer button 
on the remote control to select a different source, and then 
press 
Enter to display it. 
What To Do If You See a Blank Screen
If you see a...

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Adjusting the Image
Once you see your image, you may need to make certain 
adjustments. 
Focusing and Zooming Your Image
Use the focus ring on the projector to sharpen the image.
Use the zoom ring on the projector to reduce or enlarge the 
image. Move the tab toward the 
W to make it bigger, or 
toward the 
T to make it smaller.
If the image still isn’t large enough, you may need to move the 
projector farther away from the screen....

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8 - EPSON PowerLite 7850p Projector 6/03 Note: The image will be slightly shorter after adjusting. If it’s 
important to maintain the correct aspect ratio, use the menu 
system to perform keystone correction, as described below, 
then adjust the Height setting as needed. 
❏Press the 
Menu button on the remote control, select the 
Setting menu, and press Enter. From the Setting menu, 
select 
H/V-Keystone in the Keystone menu and press 
Enter. Select V-Keystone (for...

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Shutting Down the Projector
When you’ve finished using the projector, follow the 
recommended procedure below to shut it down. This extends 
the life of the lamp and protects the projector from possible 
overheating. 
Note: When the projector has not received any input signals for 30 
minutes, it automatically turns off the projector lamp and enters 
sleep mode. This conserves electricity, cools the projector, and 
extends the life...