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 | Symptoms | Troubleshooting | 
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| Screen and | Cannot see picture images. | Be sure that the power cord of the projector is connected. | 
| External | 
 | Be sure that the proper input source is selected. | 
| Source | 
 | Check that the connectors are properly connected to the ports | 
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 | |
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 | at the back of the projector. | 
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 | Check the Remote Control batteries. | 
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 | Be sure that the <Color> and<Brightness> settings are not at | 
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 | their lower limit. | 
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 | Poor color. | Adjust the <Tint> and <Contrast>. | 
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 | Images are not clear. | Adjust the focus. | 
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 | Check if the projector is too far from or too near to the screen. | 
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 | Strange noise. | If a strange sound continues, contact your Service Center. | 
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 | An operating LED is lit. | Refer to the LED Indications section. | 
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 | Lines appear on screen. | |
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 | frequency (refresh rate) of the screen. | 
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 | No external device screen is displayed. | Check the operating status for the external device and check | 
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 | whether the adjustable menu items, such as <Brightness> and | 
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 | <Contrast> have been changed correctly in the <Mode> com- | 
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 | mand screen of the Projector menu. | 
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 | Only a blue screen appears. | Be sure to properly connect the external devices. Check the | 
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 | connection cables again. | 
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 | Screen appears in black and white or in an | As mentioned above, check the adjustable items such as | 
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 | odd color, or the screen is too dark or bright. | <Brightness>, <Contrast>, or <Color> in the menu. | 
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 | If you want to restore various settings to their factory defaults, | 
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 | run <Factory Default> from the menu. | 
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| Troubleshooting | 
