Why doesn't my Christie LWU421 Projector recognize my USB drive?
If your Christie Projector doesn't recognize the USB storage device inserted into the USB TYPE A ports, use the REMOVE USB function first, remove the USB storage device, and then insert it into the port again.
How do I resolve no picture on my Christie LWU421 due to incorrect signal cable connections?
If your Christie Projector displays no picture, ensure that all connection cables are correctly and securely connected.
How do I fix sound issues on my Christie LWU421 due to incorrect cable connections?
If there is no sound coming from your Christie Projector, check that the audio cables are correctly connected.
What should I do if the lamp in my Christie LWU421 doesn't light and it feels hot?
If the lamp in your Christie Projector doesn't light and the interior feels heated, turn the power off and allow the projector to cool down for at least 20 minutes. Afterward, check the air passage aperture, air filter, and peripheral temperature.
Why are the pictures on my Christie Projector appearing dark?
If the pictures on your Christie Projector appear dark, the lamp may be approaching the end of its product lifetime. Consider replacing the lamp.
How to fix faded or poor colors on Christie LWU421?
If the colors on your Christie Projector appear faded or the color tone is poor, adjust the COLOR TEMP, COLOR, and/or TINT settings using the menu functions.
Why are the pictures on my Christie LWU421 dark in Eco mode?
If the pictures on your Christie Projector appear dark, and it is operating in Eco mode, set ECO MODE to NORMAL, and set AUTO ECO MODE to OFF in the SETUP menu.
How do I fix blurry pictures on my Christie LWU421 Projector?
If the pictures on your Christie Projector appear blurry, adjust the focus and/or horizontal phase settings.
What should I do when my Christie LWU421 indicates it's time to clean the air filter?
If your Christie Projector indicates it's time to clean the air filter, immediately turn the power off, and clean or change the air filter. After cleaning or changing it, be sure to reset the filter timer.
What to do if the lamp cover on my Christie LWU421 isn't properly fixed?
If the lamp cover on your Christie Projector hasn't been properly fixed, turn the power off and allow the projector to cool down for at least 45 minutes. After it has cooled down sufficiently, confirm the attachment state of the lamp cover.
General| Brightness | 4200 ANSI Lumens |
|---|---|
| Resolution | 1920 x 1200 (WUXGA) |
| Contrast Ratio | 5000:1 (Full On/Off) |
| Light Source | Laser Phosphor |
| Weight | 21.4 lbs (9.7 kg) |
| Dimensions | 5.1" x 18.9" x 15.7" (H x W x D) |
| Technology | DLP |
| Light Source Life | 20, 000 Hours |
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