Mitsubishi Electronics XL2550U Projector User Manual


 
EN-43
Images are not displayed correctly. (continued)
Problem Solution
Only the motion areas
in the images supplied
from the computer
aren’t displayed.
This is caused by the computer being used. Contact the manufacturer of your
computer.
Projected images are
obscured.
Match the output resolution of your computer with the resolution of the projector. For
the method to change the output resolution of the computer, contact the manufacturer
of your computer. (See page 45.)
Some images and texts appear obscured during the keystone adjustment. In such
cases, use the projector without applying the keystone adjustment. (See page 21.)
Noise appears around
the image.
In some images such as DVD, noise may appear around the recorded image. In this
case, decrease the setting value of OVER SCAN of the SIGNAL menu. (See page 26.)
Others
Problem Solution
The exhaust vents
emit warm air.
This air comes out after cooling the inside of the projector. You may feel hot, but this
is not a malfunction.
No audio is output. Check that the volume isn’t set to low.
The menu can’t be
used.
The microcomputers inside the projector may be wrongly operating because of noise.
J
Press the POWER button to turn off the lamp and unplug the power cord from the
wall outlet. Wait about 10 minutes, plug the power cord in, and try again.
“TEMPERATURE!!” is
displayed.
This indication appears when the ambient temperature rises high. When the ambient
temperature stays high, the lamp goes out.
J
Eliminate any causes of the rise in the ambient temperature.
This indication appears when the air inlet or outlet grille is blocked. When they are
kept blocked, the lamp goes out.
J
Remove the objects blocking the air inlet or outlet grille.
The
mark appears. This mark appears when ineffective operation is carried out. This isn’t a product
malfunction.
The remote control
doesn’t function easily or
at all.
Check that the batteries are loaded in the remote control or the batteries are not weak.
(See page 6.)
Check that the remote control sensor isn’t exposed to direct sunlight or fl uorescent
light. (See page 9.)
Use the remote control within its operation range. (See page 9.)
Use the remote control at least 10 cm away from the projector.
The buttons on the
control panel (except
for the POWER button)
don’t function.
PASSWORD FUNCTION in the FEATURE menu has been set to MENU ACCESS to
enable the password lock.
J
Cancel the password lock or contact the person in charge of management of the
projector. (See page 33.)
If the following problem occurs after the lamp is replaced, check the following fi rst.
Problem Solution
The projector does not
turn on.
Fit the lamp cover securely. (See pages 38 and 39.)
Reset the lamp operating time. (See page 39.)
The STATUS indicator
blinks.
Reset the lamp operating time. (See page 39.)
Kensington Lock
This projector has a Kensington Security Standard connector for use with Kensington MicroSaver Security System.
Refer to the information that came with the Kensington System for instructions on how to use it to secure the
projector. Please contact Kensington Technology Group below.
Kensington Technology Group
2855 Campus Drive
San Mateo, CA 94403, U.S.A.
Phone: +1- (650)572-2700 Fax: +1- (650)572-9675
Troubleshooting (continued)