NEC MT 1020G /820G - Manual (Page 31)

E – 31
Common Problems & Solutions
Problem
Does not turn on
No picture
Image isn’t square to the screen
Picture is blurred
Image is scrollingvertically,
horizontally or both
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 back panel is
on.
• Ensure that the air filter and filter panel are installed correctly. (See page E-29.)
• Check the status light to see if the projector has overheated or the lamp usage
exceeds 2100 hours.
• Use the menu icons to select your source (Video, S-Video, RGB1 or 2). (See
page E-24.)
• Ensure your cables are connected properly.
• Use icons to adjust the brightness and contrast.
• Remove the lens cap.
• 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 E-8 or E-12.)
• 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.
• Use icons to select the source you want to input.
• Make sure the recalled Custom Memory supports the current input signal.
• Install new batteries. (See page E-29.)
• 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 page E-30.
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.
The "LAMP USAGE 2000 HOURS" message will not appear when the freeze button is activated.
This section explains conditions that you will encounter when operating your MT1020G while dis-
playing an SXGA (1280
ן1024) image.
• When a menu or message is displayed while an SXGA image is projected, several lines of informa-
tion will be lost.
• When the "LAMP USAGE 2000 HOURS" message appears, several lines of information will be
lost.
• SXGA images inherently display a 5 to 4 ratio, resulting in an image that appears to be smaller and
more square than the 4 to 3 format commonly displayed.