Epson 400 Series Manuel D’Utilisation

Problem Solving

■

Make sure the 

Input Signal

 is set correctly for your connected video equipment (see 

■

If you’re viewing still images and you notice flickering or horizontal lines, turn on the 

Progressive

 setting (see page 37). 

■

Make sure your cables are securely connected at both ends.

■

If you’re using an extension cable, you may pick up interference unless you use a signal 
amplifier. 

■

If you’re displaying the same image on your computer and projector screen, try turning 
off your laptop’s LCD display (see page 57).

■

Make sure the 

Input Signal

 is set correctly for your video equipment (see page 45).

■

There may be dirt on the lens. Clean the lens as described on page 47.

■

Adjust the focus (see page 26).

■

Make sure the lens is not fogged by condensation. If you’ve just moved the projector from 
a cold environment, wait a couple of minutes before using it.

■

Adjust the 

Sharpness

■

If you’re projecting from a computer, you may need to adjust the 

Tracking

 and 

Sync 

settings (see page 40).

■

Make sure the 

Input Signal

 is set correctly for your connected video equipment (see 

■

Press the 

Color Mode 

button on the remote control to select a different color mode (see 

■

Check the brightness and contrast settings (see page 35).

■

Fine-tune the colors with the settings listed on page 38.

■

If the picture looks dark, you may need to replace the lamp. Check the lamp usage timer 
to see how long the lamp has been in use (see page 53). Replace the lamp if it’s close to 
the end of its service life (see page 50). 

PowerLite Cinema 400.book  Page 59  Friday, July 7, 2006  2:24 PM