NEC AS96U-PX39ML User Manual - Page 197

8. Appendix Common Problems & Solutions (→ "POWER/STATUS/LIGHT/TEMP. Indicator" on page 178, 179.) Problem Check These Items Does not turn on or shut down Will turn off No picture • Check that the power cord is plugged in and that the power button on the projector cabinet or the remote control is on. (→ pages 14, 17) • Check to see if the projector has overheated. If there is insufficient ventilation around the projector or if the room where you are presenting is particularly warm, move the projector to a cooler location. • The light module may fail to light. Wait a full minute and then turn on the power again. • In case it's hard to think the trouble is not caused on the above mentioned conditions, unplug the power cord from the outlet. Then wait 5 minutes before plugging it in again. (→ page 34) • Ensure that the [OFF TIMER], [AUTO POWER OFF] or [PROGRAM TIMER] is off. (→ page 122, 137) • Check if the appropriate input is selected. (→ page 20) If there is still no picture, press the SOURCE button or one of the source buttons again. • Ensure your cables are connected properly. • Use menus to adjust the brightness and contrast. (→ page 95) • Check that the SHUTTER (lens shutter) or AV MUTE (image off) buttons are not pressed. • Check the [POWER ON SHUTTER] in the onscreen menu is not set to [CLOSE]. • Reset the settings or adjustments to factory preset levels using the [RESET] in the Menu. (→ page 138) • Enter your registered keyword if the Security function is enabled. (→ page 45) • If the HDMI IN or the DisplayPort IN signal cannot be displayed, try the following. - Reinstall your driver for the video card built in your computer, or use the updated driver. For reinstalling or updating your driver, refer to the user guide accompanied with your computer or video card, or contact the support center for your computer manufacturer. Install the updated driver or OS on your own responsibility. We are not liable for any trouble and failure caused by this installation. • Signals may not be supported depending on the HDBaseT transmission device. IR and RS232C cannot be used in certain cases as well. • Both the composite video signal from each input terminal as the computer, BNC IN, and BNC (CV), and the S-video signal from the BNC (Y/C) Input terminal are not output from HDMI OUT terminal of this projector. • Be sure to connect the projector and notebook PC while the projector is in standby mode and before turning on the power to the notebook PC. In most cases the output signal from the notebook PC is not turned on unless connected to the projector before being powered up. * If the screen goes blank while using your remote control, it may be the result of the computer's screensaver or power management software. • See also the page 182. Picture suddenly becomes dark • Check if the projector is in the Forced ECO mode because of too high ambient temperature. Color tone or hue is unusual Image isn't square to the screen Picture is blurred • Check if an appropriate color is selected in [WALL COLOR]. If so, select an appropriate option. (→ page 117) • Adjust [HUE] in [PICTURE]. (→ page 95) • Reposition the projector to improve its angle to the screen. (→ page 22) • Use the Keystone correction function to correct the trapezoid distortion. (→ page 42) • Adjust the focus. (→ page 26) • Reposition the projector to improve its angle to the screen. (→ page 22) • Ensure that the distance between the projector and screen is within the adjustment range of the lens. (→ page 161) • Has the lens been shifted by an amount exceeding the guaranteed range? (→ page 164) • 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 vertically, horizontally or both Remote control does not work Indicator is lit or blinking • Check the computer's resolution and frequency. Make sure that the resolution you are trying to display is supported by the projector. (→ page 167) • Adjust the computer image manually with the Horizontal/Vertical in the [IMAGE OPTIONS]. (→ page 97) • Install new batteries. (→ page 11) • Make sure there are no obstacles between you and the projector. • Stand within 22 feet (7 m) of the projector. (→ page 12) • See the POWER/STATUS/LIGHT/TEMP. Indicator. (→ page 178, 179) 180