Epson Powerlite 84 Multimedia Projector Users Guide

Solving Problems91
What To Do When the Lights Flash
The lights on top of the projector indicate the projector’s status.
Refer to the following table for a complete description of the 
projector’s status lights:
Temperature 
light
Lamp light
Power light
Status lights
Light Status Description
Orange The projector is in sleep or standb y mode. You can unplug it or press the 
P power button to turn it on.
Flashing 
green The projector is warming up. Wait for the image to appear.
Green The projector is...

92Solving Problems
Flashing 
orangeRapid cooling is in progress. Although this is not an abnormal condition, 
projection will stop automatically if the temperature rises higher. Make 
sure there is plenty of space around the projector for ventilation, and that 
the air filter and vents are clear. If you’re using the projector above 4900 
feet (1500 m), turn on 
High Altitude Mode; see page 75.
Red The projector is overheating, whic h turns the lamp off automatically. 
Wait until the cooling fan stops,...

Solving Problems93
Viewing Lamp Usage and Other Information
Use the Info menu to view information about the display settings of 
your computer and the number of hours the lamp has been used. 
Press the 
Menu button and highlight the Info menu. 
You see the lamp usage hours and various input signal settings on the 
right. 
The life span of the lamp  is about 5000 hours if the 
Brightness 
Control
 setting in the Settings menu is set to High (default), and 
6000  hours if the 
Brightness Control setting...

94Solving Problems
You hear the projector’s fan after the power has been turned 
off.
If Standby Mode is set to Communication On, the fans continue to 
operate after the projector has c ooled down. See page 75 for more 
information about this setting.
Solving Problems with the Image 
or Sound
No image appears on the screen.
■Check that the  Ppower light is green, not flashing. 
■The projector may be in standby or sleep mode. If the  Ppower 
light is orange, press the  Ppower button to turn the projector...

Solving Problems95
■If you see a black screen and you are connected through your 
computer’s USB port, the application may be using DirectX 
drawing features, which are not supported.
You’ve connected a computer and see a blue screen with the 
message 
No Signal displayed.
■Make sure the cables are connected correctly, as described on 
page 40.
■If you’ve connected a computer and one or more video sources, 
you may need to press the 
Source Search button on the 
projector or one of the source bu ttons...

96Solving Problems6. Make sure the 
Mirror Displays 
checkbox is selected. 
The message Not Supported is displayed.
■Make sure the correct Input Signal is selected in the Signal menu 
(see page 67).
■Make sure your computer’s resolution doesn’t exceed UXGA 
(1600 
× 1200) and the frequency or re fresh rate is supported by 
the projector (see page 110). If ne cessary, change your computer’s 
resolution setting. 
Only part of the image is displayed.
■Press the Aspect button on the remote control to select...

Solving Problems97
The image isn’t square, but keystone-shaped.
■If the top or bottom of the image is broader, press the   or   
button on the projector until the image is square.
■If the projector is angled toward the screen from the left or right, 
the image will be broader on one side. Center the projector in 
front of the middle of the screen, facing the screen squarely. 
■Enable the Auto Keystone feature to automatically fix the shape. 
See page 68. 
The image contains static or noise.
■If you’re...

98Solving Problems
■Make sure the lens is not fogged by condensation. You may need 
to wait before using the projector after moving it from a cold 
environment to a warm environment.
■Make sure the projector is facing the screen squarely, to eliminate 
the need for keystone correction.
■Adjust the Sharpness setting on the Image menu (see page 65). 
When you change video settings, you should be able to see the 
effect on the screen immediately. If you’re projecting from a 
computer, you may also need to...

Solving Problems99
3. Adjust the Sync setting to increase the image sharpness. 
The image is too light or dark, or colors are incorrect.
■Press the Color Mode button to select a different color mode (see 
page 35). 
■Try adjusting the brightness and color settings in the Image menu 
(see page 64).
■Try changing the Brightness Control in the Settings menu (see 
page 68).
■Check your computer display settings to correct the color balance.
■The projector’s lamp may need to be replaced. See page 80 for...

100Solving Problems
■Make sure the audio cable is connected securely at both ends. For 
computer audio, connect the cable to your computer’s headphone jack or   audio out jack.
■Make sure the volume control on your computer is not turned all 
the way down or muted. In Windows, you may be able to use the 
volume control in your Windows system tray (lower right corner 
of the screen). On a Mac, you may be able to adjust the volume 
from your menu bar (top right corner of the screen) or via the 
volume...