Epson Projector Emp 821 User Manual

User’s Guide 

1
Notations Used in This User’s 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...

2
Features of the ProjectorThe following six preset colour modes are provided so that you can easily 
obtain the optimum images simply by selecting the image quality.
In addition, if projecting onto blackboards rather than projection screens in 
places such as schools, you can select the Blackboard setting to allow 
images to be projected in their natural tints.
sp.43, p.51, p.53
• Dynamic   Presentation  Theatre
 Living Room   sRGB
g BlackboardThe brightness of the lamp can be set to one of two...

3
Features of the Projector
The accessory remote control can be used to carry out operations such as 
pausing projection (Freeze function sp.47), zooming in on important parts 
of images (E-Zoom function sp.48) and pointing out important parts of 
images using a pointer icon (Pointer function sp.49).
In addition, the remote control can be used to move the pointer around on the 
computer screen during projection (see Wireless Mouse Function  
sp.20). Password protection function allows you to limit using...

4
Contents
Notations Used in This User’s Guide ..................................... 1
Features of the Projector ........................................................ 2
Before Using the Projector
Part Names and Functions ..................................................... 7
Front/Top .................................................................................... 7
Control Panel .............................................................................. 8
Rear...

5
ContentsTroubleshooting
Using the Help ...................................................................... 69
Problems Solving ................................................................. 71
Reading the Indicators .............................................................. 71
When the Indicators Provide No Help ...................................... 74
Appendices
Maintenance ......................................................................... 84
Cleaning...

Before Using the ProjectorThis chapter describes the procedures for setting up the projector before use.Part Names and Functions................................... 7
• Front/Top ...............................................................................7
 Control Panel .........................................................................8
 Rear ........................................................................................9
...

7
Part Names and FunctionsFront/Top
•
•• •Control panel s
p.8
•
•• •Zoom ring s
p.36Adjusts the image size.
•
•• •Remote control light-receiving 
area s
p.13Receives signals from the remote control.•
•• •Power indicator s
p.71Flashes or lights in different colours to 
indicate the operating status of the projector.
•
•• •Front adjustable foot s
p.38Extend and retract to adjust the projection 
angle when the projector is placed on a 
surface such as a shelf.•
•• •Lens coverAttach when not using the...

8
Part Names and FunctionsControl Panel•
•• •[Power] button s
p.32, p.34Turns the projector power on and off.
•
•• •[Help] button s
p.69Each time this button is pressed, it displays 
and hides the online help menu that can assist 
you if you have a problem.
•
•• •[Menu] button s
p.66Displays and hides the configuration 
menu.
•
•• •[Esc] button s
p.21Stops the current function.
Displays the previous screen or menu 
while viewing a configuration menu. 
•
•• •[Source Search] button s
p.33The next input...

9
Part Names and FunctionsRear
•
•• •Remote control light-receiving 
area s
p.13Receives signals from the remote control.
•
•• •Power inlet s
p.31Connects to the power cable.
•
•• •[Computer1/Component Video1] port•
•• •[Computer2/Component Video2] port s
p.19, p.24, p.25Input analogue RGB video signals from a computer and RGB video signals and component video
g 
signals from other video sources.
•
•• •[Video] port s
p.23Inputs composite video
g signals to the 
projector from other video sources.
•
••...