Epson Powerlite 820p Multimedia Projector Users Guide

Fine-tuning the Projector55
Customizing Projector Features
You can use the Setting menu to disable the projector’s sleep mode, 
adjust the image shape, and customize several other features.
1. Press the 
Menu button. 
2. Use the   
Sync– button (control panel) or the   button 
(remote control) to highlight 
Setting. You see the options and 
their settings on the right side:
3. Press   to select the Setting menu. 
4. Use the 
Tracking and Sync buttons (control panel) or 
the   button (remote control) to...

56Fine-tuning the Projector

Prompt
Turns off the identifying text that appears briefly when you 
switch picture sources. (It’s best to leave this on.)

A/V Mute
Selects the screen color or image to display when you press 
the 
A/V Mute button. The logo setting displays an image that 
you have transferred to the projector (see page 53).

Comp1 Input
Specifies the format for input to the Computer1 port. Select 
Digital-RGB/Analog-RGB, Analog-RGB, or RGB-Video. 

Comp2/YCbCr Input
Specifies the format for...

Fine-tuning the Projector57
Setting Advanced Features
You can use the Advanced menu to configure the projector for rear 
projection or ceiling mounting, and adjust several other features.
1. Press the 
Menu button. 
2. Use the   
Sync– button (control panel) or the   button 
(remote control) to highlight 
Advanced. You see the features and 
their settings on the right side:
3. Press 
 to select the Advanced menu. 
4. Use the 
Tracking and Sync buttons (control panel) or 
the   button (remote control) to...

58Fine-tuning the Projector

Ceiling
Turn on when the projector is mounted upside-down from 
the ceiling.

COM Port
Switches between serial (RS-232C) and USB communication 
for programming/projector control. 
5. When you’re finished, press 
Esc or Menu.
Viewing Lamp Usage and Other 
Information
Use the About menu to view information about the display settings of 
your computer and the number of hours the lamp has been used. 
1. Press the 
Menu button. You see the main menu.
2. Use the   
Sync– button...

Fine-tuning the Projector59
3. If you have changed the lamp, press  to select Reset Lamp 
Timer.
 Press  again, then select Yes when you see the prompt. 
Press   to confirm the reset.
4. When you’re finished, press 
Esc or Menu. 
Restoring the Default Settings
The Reset All option lets you return all the projector settings to their 
default values.
Select 
Reset All and press the  button on the control panel or 
remote control to display the confirmation screen. Select 
Yes to reset 
all the default...

60Fine-tuning the Projector
600-811-820.book  Page 60  Tuesday, April 30, 2002  10:17 AM 

5
Maintaining and Transporting the Projector61
5
Maintaining and 
Transporting the Projector
Your projector needs little maintenance. All you need to do on a 
regular basis is keep the lens clean. Any dirt or smears on the lens may 
show up on your projected image.
You also need to periodically clean the air filter on top of the 
projector. A clogged air filter can block ventilation needed to cool the 
projector and keep it from overheating.
The only parts you should replace are the lamp and air filter....

62Maintaining and Transporting the Projector
Cleaning the Lens
Clean the lenses whenever you notice dirt or dust on the surface.

Use a canister of compressed air to remove dust.

To remove dirt or smears on the lenses, use lens-cleaning paper. If 
necessary, moisten a soft cloth with lens cleaner and gently wipe 
the lens surface.
Cleaning the Projector Case
Before you clean the case, first turn off the projector and unplug the 
power cord.

To remove dirt or dust, wipe the case with a soft, dry,...

Maintaining and Transporting the Projector63
Cleaning and Replacing the Air Filter
Clean the air filter on the bottom of the projector after every 100 
hours of use. If it is not cleaned periodically, it can become clogged 
with dust, preventing proper ventilation. This can cause overheating 
and damage the projector. To clean the air filter, follow these steps:
1. Turn off the projector, allow it to cool down, and unplug the 
power cord.
2. Stand the projector on end with the handle on top to keep dust...

64Maintaining and Transporting the Projector4. If you need to replace the filter, press the arrow tab and lift up the 
filter to remove it.
5. To install a new filter, first insert the tabs, then press down until it 
clicks in place.
Replacing the Lamp
The projection lamp typically lasts for about 1500 hours of use. It is 
time to replace the lamp when:

The projection image gets darker or starts to deteriorate.

The lamp warning light   is red or flashing red.

The message LAMP REPLACE appears on the...