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Maintenance &
Troubleshooting
Using the Kensington Lock
This projector has a Kensington Security Standard
connector for use with a Kensington MicroSaver Security
System. Refer to the information that came with the
system for instructions on how to use it to secure the
projector.
Kensington Security
Standard connector
Check
• Projector power cord is not plugged into the wall outlet.
• The filter cover is not securely installed.
• Selected input is wrong. (See page 16.)
• Cables incorrectly connected to side and rear panels of the projector. (See pages 11–14.)
• Remote control batteries have run down. (See page 8.)
• Cables incorrectly connected to side and rear panels of the projector. (See pages 11–14.)
•“Contrast” and “Bright” adjustments are set to minimum position. (See page 24.)
•“Color” and “Tint” adjustments are not correct. (See page 24.)
• Adjust the focus. (See page 15.)
• Projection distance is too long or too short to allow for proper focus. (See page 17.)
• Cables incorrectly connected to side and rear panels of the projector. (See pages 11–14.)
• Volume is set to minimum. (See page 16.)
• If the picture is normal, the sound is due to cabinet shrinkage caused by temperature changes.
This will not affect operation or performance.
• Refer to “Lamp/Maintenance Indicators” on page 37.
• Adjust the “Phase” setting. (See page 27.)
• Set the resolution mode to 480P. (See page 34.)
• Change the input signal type. (See page 25.)
Problem
No picture and no sound.
Sound is heard but no picture
appears.
Colour is faded or poor.
Picture is blurred.
Picture appears but no sound is
heard.
An unusual sound is occasionally
heard from the cabinet.
Maintenance indicator illuminates.
Picture noise appears.
480P images do not appear.
Colour is distorted (INPUT 2 mode
only).
Troubleshooting