Common Problems & Solutions - NEC MultiSync LT 100 User Manual

Common Problems & Solutions
Problem
Does not turn on
No picture
Image isn't square
to the screen
Picture is blurred
Problem
Image is scrolling
vertically, horizontally
or both
Remote control does
not work
Status indicator is lit or
blinking
Cross color in RGB
mode
To Contact Your NEC Service Representative, Call 1-800-836-0655
Check These Items
• Check that the power cable is plugged in and that the power switch on the back panel is on.
• Ensure that the lamp cover and lamp housing are installed correctly. (See page 77.)
• Check the status light to see if the projector has overheated or the lamp usage exceeds 1100
hours.
• Use the menu icons to select your source (Video, S-Video, RGB or PC Card). (See pages 59 and 60.)
• Ensure your cables are connected properly.
• Use icons to adjust the brightness and contrast.
• Remove the lens cap.
• Is the POWER indicator blinking?
• Reset the settings or adjustments to factory preset levels using the RESET icon on the Settings
Menu.
• Reposition the projector to improve its angle to the screen.
• Adjust the focus. (See page 36.)
• Reposition the projector to improve its angle to the screen.
• Ensure that the distance between the projector and screen is within the adjustment range of the lens.
Check These Items
• Use icons to select the source you want to input.
• If PC signal is set up in Custom Setting, select corresponding Custom Setting (Custom 1,
Custom 2, etc.).
• Install new batteries. (See page 79.)
• Make sure there are no obstacles between you and the projector.
• Stand within 23 feet (7m) of the projector.
See the Status Light message chart on pages 85 and 86.
If "Auto Picture" is off, turn it on. If "Auto Picture" is on, turn it off and balance the image with the
Picture Adjustment icon and Fine Picture Adjustment icon.
TROUBLE SHOOTING
87
88