NEC MT830 Common Problems & Solutions, When using the Viewer function, Cross color in RGB mode

Common Problems & Solutions

Problem	Check These Items
Does not turn on	• 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. (See page E-38.)
	• 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.
No picture	• Use the menu icons to select your source (Video, S-Video, RGB1, 2 or PC Card). (See page E-
	28.)
	• 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.
Image isn’t square to the screen	• Reposition the projector to improve its angle to the screen.
	• Use the keystone icon or the keystone button to correct the keystone distortion.
Picture is blurred	• Adjust the focus. (See page E-8 or E-13.)
	• 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.
Image is scrolling vertically,	• Use icons to select the source you want to input.
horizontally or both	• Make sure the recalled Custom Memory supports the current input signal.
Remote control does not work	• Install new batteries. (See page E-38.)
	• Make sure there are no obstacles between you and the projector.
	• Stand within 7m of the projector.
Status indicator is lit or	See the Status Light message chart on page E-39.
blinking
Cross color in RGB mode	If “Auto Mode” is off, turn it on. If “Auto Mode” is on, turn it off and adjust the image with the
	Picture Adjustment icon and Fine Picture Adjustment icon.

When using the Viewer function

Problem	Check These Items
No picture	• Is the viewer board been seated in the LCD projector completely?
	• Is "PC CARD" selected from the Source menu?
	• Is the flash memory card seated in the card slot completely?
	• Are slide data being transferred to the flash memory card?
	• Have the contents of the flash memory card been destroyed?
Part of a slide is not	• While an image with over 1024×768 dots is projected, several lines of information will be
displayed	lost. Use the supplied software to change the image to 1024×768 dots in size.
No effect sound	• Is the sound volume set to the minimum level?

E-40