Epson Projector Emp S4 User Manual

							User’s Guide 
						

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Notations Used in This Guide
When unit or projector appears in the text of this User’s Guide, it may refer to items which are accessories or optional equipment 
in addition to the main projector unit itself.Indicates procedures which may result in damage or injury if sufficient care is not taken.
Indicates additional information and points which may be useful to know regarding a topic.
Indicates a page where useful information regarding a topic can be found. Click on the page number to 
display that page.
Indicates that an explanation of the underlined word or words in front of this symbol appears in the 
glossary of terms. Click the underlined word or words to display the corresponding entry in the 
Glossary section of the Appendices. sp.66
Indicates operating methods and the order of operations.
The procedure indicated should be carried out in the order of the numbered steps.
[ (Name) ]Indicates the name of the buttons on the control panel or the remote control. 
Example: [Esc] button
 (Menu Name) Indicates configuration menu items.
Example: Image-Brightness
s
PROCEDURE 
						

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Contents
Projector Features .................................................................. 4
Part Names and Functions ..................................................... 6
Front/Top .................................................................................... 6
Control Panel .............................................................................. 7
Rear ............................................................................................. 8
Base ............................................................................................. 9
Remote Control ......................................................................... 10
Adjusting and changing the image
Adjusting the Image Quality ................................................. 12
Adjusting Computer Images and RGB Video Images .............. 12
Selecting the Projection Quality (Color Mode) ........................ 15
Adjusting the Projection Position (Image Shift) .................... 16
Adjusting the Volume ........................................................... 17
Changing the Projected Image (Source Search).................. 18
Automatically Detect Incoming Signals and Change 
the Projected Image (Source Search)....................................... 18
Changing Directly from the Remote Control............................ 18
Useful Functions
Functions for Enhancing Projection ..................................... 20
Pausing the Image and Sound Temporarily (A/V Mute) .......... 20
Freezing the Image (Freeze)...................................................... 21
Changing the Aspect Ratio (Resizing) ...................................... 21
Displaying the Pointer (Pointer)................................................ 22
Enlarging Part of the Image (E-Zoom) ..................................... 23
Using the Remote Control to Operate the Mouse Pointer 
(Wireless Mouse) ..................................................................... 24
Security functions................................................................. 26
Preventing theft (Password Protect) .......................................... 26
Operation Button Lock Function............................................... 29
Configuration Menu
Using the Configuration Menu ............................................. 32
List of Functions ................................................................... 33
Image Menu ........................................................................... 33
Signal Menu ........................................................................... 34
Settings Menu ........................................................................ 35
Extended Menu ...................................................................... 36
Info Menu............................................................................... 38
Reset Menu ............................................................................ 39
Troubleshooting
Using the Help ..................................................................... 41
Problems Solving ................................................................. 43
Reading the Indicators............................................................... 43
When the Indicators Provide No Help ...................................... 46 
						

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ContentsAppendices
Installation ............................................................................ 55
Setting Up the Projector ............................................................ 55
Maintenance ......................................................................... 56
Cleaning .................................................................................... 56
Replacing Consumables ............................................................ 57
Checking Projected Images on an External Monitor 
(Monitor Output) ................................................................... 63
Optional Accessories and Consumables.............................. 64
Screen Size and Projection Distance ................................... 65
Glossary ............................................................................... 66
List of ESC/VP21 Commands .............................................. 68
Command List........................................................................... 68
Cable Layouts ........................................................................... 68
USB Connection Setup ............................................................. 69
List of Supported Monitor Displays....................................... 70
Specifications ....................................................................... 71
Appearance .......................................................................... 72
Index..................................................................................... 73 
						

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Projector Features
The direct power on function means you can turn the projector on simply 
by plugging the power cable into the electrical outlet. sp.37
Also, with the instant-off function you can finish quickly by unplugging 
the power cable immediately after use.
 A/V mute slide makes it easy to use and store
You can stop and resume projection easily by 
opening and closing the A/V mute slide which 
makes giving clear presentations easier.
 When you turn the projector power on and off a “Beep“ sounds
A “Beep” sounds when the power is turned on, after the cooling down 
period has finished the confirmation buzzer beeps twice. Once you hear the 
confirmation buzzer beep twice, you can unplug the power cable.
 A single foot design means you do not have to make any difficult 
leveling adjustments
You can easily make height adjustments with one hand. 
sQuick Start Guide Easy to use, big button control panel
For ease of use, buttons are classified and arranged according to their 
projection and adjustment functions. 
s
p.7
 Source search allows you to easily choose the image to project
Simply by pressing the Source Search button, the connected picture 
signal is automatically detected and projected.
 The help performs problem solving in a dialog format
Check the answer to the question to solve your projection problems. 
sp.41
Direct Power On & Instant OffEase of Use
Setup Projection in Progress Troubleshooting 
						

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Projector Features
You can enjoy images of Photos, Presentations, Games, and so on, in 
the optimum colour tone by choosing the most suitable mode for your 
surroundings. sp.15
Manage users with password protect
You can set up a password to restrict the use of the projector. sp.26
Operation lock stops the use of all control panel buttons except for 
the Power button
This can prevent your settings being changed by accident or on purpose, 
when using the projector at an event, at a school, and so on. sp.29Colour ModeSecurity Function 
						

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Part Names and FunctionsFront/Top•Control panel sp.7
•Remote control light-receiving 
area sQuick Start GuideReceives signals from the remote control.
•Front adjustable foot
sQuick Start GuideExtend and retract to adjust the projection 
angle when the projector is placed on a 
surface such as a shelf. You can raise the 
angle up to a maximum of 10°.
•A/V mute slide 
sQuick Start GuideSlide shut when not using the projector to 
protect the lens.
By closing during projection you can turn 
off the image and the sound (A/V Mute). 
The power supply to the unit remains on 
even in A/V Mute. Do not forget to switch 
off the power supply.
When Sleep Mode is set to On, after 
about 30 minutes in A/V Mute the power 
turns off automatically. At the time of 
purchase, Sleep Mode is set to Off.•Focus ring 
sQuick Start GuideAdjusts the image focus.
•Foot adjust lever
sQuick Start GuidePull out the foot lever to extend and 
retract the front foot.
•Air exhaust vent
 Do not place objects that may 
become warped or otherwise affected by 
heat near the air exhaust vent and do not 
bring your face or hands near the air 
exhaust vent while projection is in 
progress.
•Lamp cover sp.59Open this cover when replacing the 
projectors lamp.
•Security lock ( ) sp.67 
						

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Part Names and FunctionsControl Panel•[Power] button sQuick Start GuideTurns the projector power on or off.
•[Help] button sp.41Displays and closes the help, which shows 
solutions if a problem occurs.
•[Menu] button sp.32Displays and closes the configuration 
menu.
•[Esc] button sp.32Stops the current function.
Displays the previous 
screen or menu while 
viewing a configuration 
menu. 
•[Source Search] button sp.18The input source is automatically searched for in the 
following order, and the input image from the connected 
equipment is projected.
Computer port
S-Video port
Video port
•[Enter] button sp.12, p.32Automatically adjusts analogue RGB images from 
computers and RGB video images to the optimum 
images.
If a configuration menu or help screen is displayed, it 
accepts and enters the current selection.
•[] [] button 
sQuick Start Guide, p.32Press to correct keystone distortion.
If a configuration menu or help screen 
is displayed, it selects menu items and 
setting values.
•[Wide] [Tele] button 
sQuick Start Guide, p.32Adjusts the image size. If a configuration menu or help 
screen is displayed, it selects menu items and setting 
values.
•Indicator states 
sp.43The colour of the 
indicators and 
whether they are 
flashing or lit shows 
the state of this 
projector. 
						

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Part Names and FunctionsRear
•Remote control light-receiving 
area sQuick Start GuideReceives signals from the remote control.
•Power inlet 
sQuick Start GuideConnects to the power cable.•Computer port 
sQuick Start GuideInputs analogue RGB video signals from a 
computer and RGB video signals and 
component video
g signals from other video 
sources.
•Video port 
sQuick Start GuideInputs composite video
g 
signals to the projector from 
other video sources.
•S-Video port 
sQuick Start GuideInputs S-Video
g signals to 
the projector from other 
video sources.
•USB port sp.24, p.68Connects the projector to a computer via the 
USB
g cable when using the wireless mouse 
function.
Computer images cannot be projected 
by using the USB cable to connect the 
computer.
•Monitor Out port sp.63Outputs the projected computers analogue 
RGB signals or RGB video signals to an 
external monitor from the source that is 
connected to the Computer port. This 
feature is not available for video equipment 
signals.
•Speaker
•Rear adjustable foot
•Audio input sQuick Start GuideInput audio signals from connected external 
equipment.
When you are connecting two or more pieces of 
external equipment that use the same input port, 
you need to disconnect one before connecting 
the other, or use an audio selector. 
						

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Part Names and FunctionsBase
•Air filter (air intake vent) 
 sp.56, p.62This prevents dust and other foreign particles 
from getting inside the projector when air is 
drawn in. It should be cleaned and replaced 
periodically.
•Suspension bracket fixing points (3 points) sp.55, p.64Attach the optional ceiling mount here when suspending the projector from a ceiling.
•Front adjustable foot
•Foot adjust lever
•Air intake vent sp.56Clean the air intake vent 
periodically.