NEC GT6000 user manual Appendix, 10-4, Common Problems & Solutions, Check These Items

		10. Appendix
Common Problems & Solutions
Problem		Check These Items
Does not turn on	•	Check that the power cable is plugged in and that the main power switch on the projector is on. See pages 1-
		9 and 2-11.
	•	Ensure that the lens hood or the lamp cover is installed correctly. See pages 1-4 and 9-2.
	•	Check to see if the projector has overheated or the lamp has reached the end of its usable life. 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.
	•	The lamp may fail to light. Wait a full minute and then turn on the power again.
	•	The lamp has reached the end of its usable life. Replace the lamp.
Will turn off	•	Ensure that the Power Management is off. See page 8-16.
No picture	•	Use the menu or Source/Input button to select your source (RGB 1/2, DVI, Video, S-Video, Viewer or LAN).
		See page 3-3 or 8-7.
	•	Ensure your cables are connected properly.
	•	Use menus to adjust the brightness and contrast. See page 8-8.
	•	Select correct option in the Signal Select for current signal. See page 8-16.
	•	Select RGB/Component when connecting DVD player to RGB connector of the projector. See page 8-11.
	•	Apply a standard RGB signal when using RGB connector.
	•	Adjust picture for RGB signal.
	•	Make sure each setting is correct.
	•	If the problem still persists, reset the settings or adjustments to factory preset levels using the Factory Default
		in the Adjustment Menu. See page 8-13.
	•	If Security is enabled, a keyword or PC card as a protect key is required.
	•	Remove the lens cap.
	•	When using with a notebook PC, be sure to connect between the projector and the notebook PC before turning
		on the power to the notebook PC. In most cases signal cannot be output from RGB output unless the notebook
		PC is turned on after connecting with the projector.
	*	If the screen goes blank while using your remote control, it may be the result of the computer's screen-saver
		or power management software.
	*	If you accidentally hit the POWER button on the remote control, wait 60 seconds and then press the POWER
		button again to resume.
	•	See also the next page.
Image isn’t square to the	•	Reposition the projector to improve its angle to the screen. See page 3-3.
screen	•	Use the 3DReform function to correct the trapezoid distortion. See page 3-4.
Picture is blurred	•	Adjust the focus. See page 3-4.
	•	Reposition the projector to improve its angle to the screen. See page 3-3.
	•	Ensure that the distance between the projector and screen is within the adjustment range of the lens. See page
		2-2.
	•	Condensation may form on the lens if the projector is cold, brought into a warm place and is then turned on.
		Should this happen, let the projector stand until there is no condensation on the lens.
Image is scrolling verti-	•	Use the menus or Source/Input button on the remote control or the cabinet to select the source you want to
cally, horizontally or		input. See page 3-3 or 8-7.
both
Remote control does	•	Install new batteries. See page 1-12.
not work	•	Make sure there are no obstacles between you and the projector. See page 1-12.
	•	Stand within 22 feet (7 m) of the projector. See page 1-12.
	•	Check if one or more remote sensors are enabled. Select [Projector Options] → [Setup] → [Page 5] →
		[Remote Sensor] from the menu. See page 8-17.
	•	If the remote control cable plug is inserted into the REMOTE 2 IN jack, the remote control does not function
		wirelessly. See page 1-13.
	•	Make sure that the remote control’s ID corresponds with the projector’s ID. See page 7-2.
Indicator is lit or blink-	•	See the Power/Status/Lamp Indicator on page 10-3.
ing
Cross color in RGB	•	If Auto Adjust is off, turn it on or adjust the image manually with the Position/Clock in the Image Options. See
mode		page 8-16.
USB mouse does not	•	Make sure that your USB mouse is properly connected to the projector.
work		The projector may not support some brands of a USB mouse.
No on-screen menu	•	Press MUTE OSD if the image is muted. Or press and hold CTL and press MUTE OSD button. See page 4-2.

10-4