NEC GT2000 - Manual (Page 78)

E-78
Common Problems & Solutions
Problem
Does not turn on
No picture
Image isn’t square to the screen
Picture is blurred
Image is scrolling vertically,
horizontally or both
Volume button does not work
Remote control does not work
Status indicator is lit or
blinking
Cross color in RGB mode
Check These Items
• Check that the cord is plugged in and that the power switch on the front panel is on.
• Ensure that the filter cover is installed correctly.
• Check to see if the projector has overheated or the lamp usage exceeds 2100 hours. If there is
insufficient ventilation around the projector or if the room where you're presenting is particularly
warm, move the projector to a cooler location. Check the filter and clean it if necessary.
• Select your source (Video, S-Video, RGB1, or RGB2).
• Ensure your cables are connected properly.
• Adjust the brightness and contrast.
• Remove the lens cap.
• Check if RGB/YCbCr mode is set to YCbCr when a DVD player with component output is
connected. (See page E-48.)
• Check if the Source Lock is set to Off. If not, select [Memory Edit] ->[Source Lock] and set to
Off. If the Source Lock is set to ON, search is not performed when you switch to another input.
(See page E-68.)
• Adjust alignment correctly when RGB input is selected. (See page E-49.)
• Reposition the projector to improve its angle to the screen.
• Correct the keystone distortion. (See page E-40.)
• Set Sync position to "0" or "1" to correct the wave pattern. (See page E-55.)
• Adjust the focus.
• 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.
• Condensation may form on the lens when the cold projector is brought into a warm place and is
turned on. Should this happen, let the projector stand until there is no condensation on the lens.
• Select the source you want to input.
• Make sure the recalled user memory or channel memory supports the current input signal.
(See page E-56.)
• Check if Audio Select is set to Switcher when the switcher is connected. (See page E-72.)
• Install new batteries. (See page E-74.)
• Make sure there are no obstacles between you and the projector.
• Stand within 7m of the projector.
• Check if the projector ID is the same as the remote ID. Or check if the remote ID is set to "00".
(See page E-43.)
See the Status Light message chart on page E-77.
Adjust the image with the Picture Adjustment and Fine Picture Adjustment.