Power Operating: 350 W
consumptionStandby: 1.5 W with Network OFF,
47 W with Network ON
5/03EPSON PowerLite 7800p Projector - 1
EPSON PowerLite 7800p Projector
Environmental
TemperatureOperating: 41 to 95 °F (5 to 35 °C)
Storage: 14 to 140 °F (–10 to 60 °C)
HumidityOperating: 20 to 80% RH,
non-condensing
Storage: 10 to 90% RH,
non-condensing
Safety
United StatesFCC 47CFR Part 15B Class B (DoC)
UL1950 Rev. 3
CanadaICES-003 Class B
CSA C22.2 No. 950-95 (cUL)
CE MarkingDirective 73/23/EEC, 89/336/EEC
EN 55022, EN 55024
Compatible Video Formats
You can use any of the following video sources: VCR, DVD
player, camcorder, digital camera, gaming console, or laser
disc player. The projector supports composite video, S-Video,
component video, and RGB video, and it automatically senses
the video format (HDTV, NTSC, PAL, or SECAM).
The projector supports these international video standards:
ModeRefresh rate (Hz)
NTSC
NTSC 4:3
PAL
M-PAL
N-PAL
PAL—60
SECAM
HDTV (720p)
HDTV (1080i)
SDTV (480i)
SDTV (480p)
SDTV (625i)
SDTV (625p)
60
60
50
60
50
60
50
60
60
60
60
50
50
Compatible Computer Display Formats
You can connect the projector to a wide range of computers,
including PCs and laptops, Apple Macintosh,
Macintosh
PowerBook
systems, and high-end workstations such as the Sun
SPARCstation.
®
series (including G3 and G4 systems),
®
computers, many iMac® and iBook® series
™
®
Power
®
Although images are displayed at the projector’s native
resolution of 1024 × 768 pixels, EPSON’s patented
SizeWise
™
chip supports computer display formats ranging
from VGA through UXGA.
To project images output from a computer, the computer’s
external monitor signal must be set at a refresh rate (vertical
frequency) that’s compatible with the projector; see the
following table for compatible formats. For best results, the
computer’s resolution should be set to match the projector’s
native resolution (1024
* The image is resized using EPSON’s SizeWise Technology.
EPSON PowerLite 7800p Projector
Positioning the Projector
Follow these guideline when deciding where to place the
projector:
❏ 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 it on top of anything
that could block the vents under the projector.
❏ Make sure the projector is within 10 feet of a grounded
electrical outlet or extension cord.
Image size increases with distance, but varies depending on
how you’ve adjusted the optical zoom and other settings.
TBD
2.5 to 3.5 ft5.3 to 7.2ft27 to 36.5 ftapprox. distance
from 60” screen
It’s best to place the projector directly in front of the center of
the screen, facing the screen squarely. If it isn’t placed this
way, the image will be “keystone” shaped, instead of
rectangular.
Note: The formulas given here are for when the projector is placed
flat, without tilting it up at the screen. If you tilt it up by
extending the feet or use electronic keystone correction, your image
size may vary.
Standard Lens
To determine the diagonal size of an image (in inches) when
you know the projection distance:
❏ Maximum diagonal size =
(((2.54
×
projection distance) / 100)
×
36) + 2.13
❏ Minimum diagonal size =
(((2.54
×
projection distance) / 100)
×
26.84) + 1.29
To determine the projection distance (in inches) when you
know the diagonal size of the screen image:
❏ Maximum projection distance =
(((diagonal size – 1.29) / 26.84)
×
100 / 2.54
❏ Minimum projection distance =
(((diagonal size – 2.13) / 36)
Middle Throw Lens (V12H004M03)
×
100 / 2.54
To determine the diagonal size of an image (in inches) when
you know the projection distance:
❏ Maximum diagonal size =
(((2.54
×
projection distance ) / 100)
×
27.42) + 1.49
Minimum diagonal size =
(((2.54
×
projection distance) / 100)
×
20.48) + 1.1
To determine the projection distance (in inches) when you
know the diagonal size of the screen image:
Screen
Projector
Overhead View
If you place the projector below screen level, you’ll have to tilt
it up by extending the front adjustable foot. This also causes
the image to lose its rectangular shape. To correct distortion,
see “Adjusting the Image Shape” on page 8.
Calculating Image Size and Projection
Distance
Use the formulas below either to find out how large your
image will be when you know the distance from the projector
to the screen, or to find out how far from the screen to place
the projector if you want an image of a certain size. Since the
size of the image can be changed by rotating the zoom ring,
formulas are given for calculating both the minimum and
maximum sizes.
❏ Maximum projection distance =
(((diagonal size – 1.1) / 20.48)
×
100 / 2.54
❏ Minimum projection distance =
(((diagonal size – 1.49) / 27.42)
Long Throw Zoom Lens (V12H004L05)
×
100 / 2.54
To determine the diagonal size of an image (in inches) when
you know the projection distance:
❏ Maximum diagonal size =
(((2.54
×
projection distance) / 100)
× 20.4
) + 1.93
❏ Minimum diagonal size =
(((2.54
×
projection distance) / 100)
×
15.23) + 1.45
To determine the projection distance (in inches) when you
know the diagonal size of the screen image:
❏ Maximum projection distance =
(((diagonal size – 1.45) / 15.23)
×
100 / 2.54
❏ Minimum projection distance =
(((diagonal size – 1.93) / 20.54)
×
100 / 2.54
5/03EPSON PowerLite 7800p Projector - 3
EPSON PowerLite 7800p Projector
Connecting the Projector
You can connect the projector to three computer sources or
four video sources—up to a total of four sources altogether.
You can include an independent sound channel for each
source. (See the Quick Setup poster or the User’s Guide for
complete setup instructions.)
Note: The preview feature lets you see all the sources at a glance,
so you can easily switch among them. See page 5.
Types of Connections
The following types of connections are possible, depending on
the kinds of signals your equipment generates and its available
output ports.
Computer equipment
Output signalRequired cable
Analog RGB video
DVI
VGA cable
BNC cable
VGA-to-BNC cable
DVI-D dual-link cable (DVI-to-DVI or
DFP-to-DVI available from EPSON)
Playing Sound Through the Projector
You can play sound through the projector’s speaker system or
you can attach an external speaker system.
Two types of audio cables are included with the projector:
❏ If your computer or video equipment is connected to the
Computer or DVI port, use the stereo mini-jack cable.
❏ If your equipment is connected to the
port, or to the
BNC ports, use the RCA-style audio cable.
Video or S-Video
Using the Remote Control as a Wireless
Mouse
If you’ve connected a computer to the projector, you can use
the projector’s remote control as a wireless mouse by
connecting the USB cable that came with the projector. The
wireless mouse function is supported on systems with a USB
port running Windows XP, 98, 2000, or Me; or Macintosh
OS 8.6 to OS X 10.2. See the User’s Guide for more
information.
Viewing Images on an External
Monitor
Video equipment
Output signalRequired cable
Composite videoRCA video cable
S-VideoS-Video cable
Component video—
NTSC (YCbCr)
Component video—
HDTV (YPbPr)
RGB video
BNC cable
BNC cable
VGA cable
BNC cable
Note that the projector’s Computer and BNC ports accept a
variety of input signals. If you’re connecting to one of these
ports, you’ll need to make sure that the correct input signal
setting is selected, or your image won’t display properly.
To change the input signal setting, do the following:
1. After turning on the projector, press the
Menu button. The
menu screen appears.
2. Select the
3. Change the
Setting menu.
Computer Input or BNC Input setting as
needed to match the signal generated by your computer or
video equipment. (See the User’s Guide for more
information.)
You can also cycle through the settings by repeatedly pressing
the source button for your device on the remote control.
You can use an external monitor to display images from any
connected computer source. This lets you view your
presentation close-up, as well as on the projection screen.
Note: Some LCD monitors may not be able to display the image
correctly. If you have trouble displaying the image, connect a
multiscan monitor. If you’re projecting computer images, make
sure the computer’s refresh rate is set to 65 Hz or greater.
To use an external monitor, connect it to the projector’s
Monitor Out port, as shown:
External monitor
4 - EPSON PowerLite 7800p Projector5/03
EPSON PowerLite 7800p Projector
Follow these guidelines when using an external monitor:
❏ The monitor displays the currently selected computer
source. Press the
Preview button on the remote control if
you want to display all the active sources at once (see
“Previewing Image Sources” on this page).
❏ If you want, you can view (or preview) images on the
monitor while the projection screen is darkened by pressing
the
A/V Mute button.
❏ You can also view images on the monitor while the
projector is in standby mode (plugged in but not turned
on). Set the
Standby Mode setting to Network ON in the
Advanced1 menu.
Displaying an Image
If you turn on your computer or video equipment before
turning on 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 this page).
Turning On the Projector
1. Remove the lens cap.
2. Plug in the projector.
3. Wait a few seconds until the P
and turns orange.
4. Press the red P
Power button on top of the projector or on
the remote control.
power light stops flashing
Power button
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.
Selecting the Image Source
If multiple devices are connected to the projector, you can use
the
Source buttons on the projector or the remote control to
switch from one source to another:
❏ The projector has two
Use the
Computer/DVI button to
switch between equipment
connected to the
DVI ports.
Use the
Video/BNC button to switch
between equipment connected to the
Video, S-Video, and BNC ports.
❏ The remote control has five
Source buttons you can use to
switch between equipment
connected to the port identified
on each button. (The PowerLite
7800p does not support
EasyMP.
™
)
You can preview all sources to help you select the desired
source, as described below.
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 select the correct signal to match the
equipment you’re using. You can change the input signal
settings using the projector’s menu system as described in
“Types of Connections” on page 4.
Source buttons.
Computer and
Note: If you’re using the remote control,
make sure batteries are installed and the
power switch on the side of the remote
control is turned on.
The P
power light flashes green as the projector warms up,
and an image begins to appear after about 30 seconds.
When the P
power light stops flashing and remains green,
the projector is ready for use.
Wa rn ing : Never look into the lens when the lamp is on. This
can damage your eyes.
Previewing Image Sources
You can use the Preview function to help you select the image
source when you have connected multiple sources to the
projector.
1. Press the
remote control.
5/03EPSON PowerLite 7800p Projector - 5
Preview button on the
Preview
EPSON PowerLite 7800p Projector
You see the currently selected source displayed in the main
window, as shown below. All other sources (including the
currently selected source) are displayed in smaller preview
windows on the right side and at the bottom.
Currently selected source
Computer (Analog-RGB)
Computer
DVI
BNC
S-Video
Video
Preview windows
If no equipment is connected to a port, or if there is no
incoming signal, the preview window for that source
appears blank.
Note: Movies are displayed as still images on the preview
screen.
2. Press the corresponding
control to switch to the desired source. Or press the
Source buttons on the remote
ESC
button to exit the preview screen without switching sources.
Note: A red highlight surrounds the preview window for the
currently selected source. You can use the pointer button on
the remote control to highlight a different source, and then press
Enter to display it.
Troubleshooting Display Problems
The Projector and Laptop Don’t Display
the Same Image
If you’re projecting from a laptop, and you don’t see the same
image on the projection screen and on your computer screen,
follow these guidelines.
If you’re using a PC laptop:
❏ On most systems, there’s a function key that lets you toggle
between the LCD screen and the projector, or display on
both at the same time. It may be labeled
an icon such as . You may have to hold down the
key while pressing it. Allow a few seconds for the projector
to sync up after changing the setting.
❏ 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
box, click the
Display utility. In the Display Properties dialog
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 port is set as your primary display and/or enabled.
See your computer’s documentation or online help for
details.
If you're using Macintosh OS X:
You may need to set up your system to display on the
projector screen as well as the LCD screen. Follow these steps:
1. From the Apple menu, select
select
Displays.
2. Make sure the
3. Click the
VGA Display dialog box is selected.
Arrange tab.
System Preferences, then
CRT/LCD or with
Fn
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.
❏ Make sure the P
the lens cover is off.
❏ If you’ve connected more than one computer and/or video
source, you may need to press one of the
on the projector’s control panel or the remote control to
select the correct source. (Allow a few seconds for the
projector to sync up after pressing the button.)
❏ If you’re using a PC laptop, press the function key on your
keyboard that lets you display on an external monitor. It
may be labeled
You may have to hold down the
Allow a few seconds for the projector to sync up after
changing the setting.
6 - EPSON PowerLite 7800p Projector5/03
power light is green and not flashing and
Source buttons
CRT/LCD or have an icon such as .
Fn key while pressing it.
4. Make sure the
Select the
VGA Display
dialog box
Click the
Arrange tab
Make sure Mirror Displays is checked
Mirror Displays checkbox is selected.
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