NEC GT5000 User Manual page 97

Common Problems & Solutions
Problem
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-
• 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
No picture • Use the menu or Source/Input button to select your source (RGB 1/2, DVI, Video, S-Video, Viewer or LAN).
• 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
• If Security is enabled, a keyword or PC card as a protect key is required.
• Remove the lens cap.
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
• Condensation may form on the lens if the projector is cold, brought into a warm place and is then turned on.
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
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] →
• If the remote control cable plug is inserted into the REMOTE 2 IN jack, the remote control does not function
• 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
USB mouse does not • Make sure that your USB mouse is properly connected to the projector.
work
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.
Check These Items
9 and 2-11.
insufficient ventilation around the projector or if the room where you're presenting is particularly warm, move
the projector to a cooler location.
See page 3-3 or 8-7.
in the Adjustment Menu. See page 8-13.
2-2.
Should this happen, let the projector stand until there is no condensation on the lens.
input. See page 3-3 or 8-7.
[Remote Sensor] from the menu. See page 8-17.
wirelessly. See page 1-13.
page 8-16.
The projector may not support some brands of a USB mouse.
10-4
10. Appendix