Before calling service personnel
If you think something is wrong, check the followings before contacting customer service.
If This Happens | Check |
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No power | • Is the power cord or battery pack plugged in? Is it connected to the |
| projector? |
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Power is lost | • Is the ambient temperature high? |
during use | • Is the air intake or air exhaust blocked? |
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No picture | • Is the projector turned on? |
| • Are the connections set up correctly? |
| • Are all the connected devices functioning properly? |
No audio | • Are the connections set up correctly? |
|
| • Are all the connected devices functioning properly? |
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Picture not | • Is the input signal supported by the projector? | , |
displayed | • Is something generating an abnormal video signal, for instance the | |
correctly | video tape? |
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Picture blurred | • Is the lens dirty? |
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Part of picture | • Is the lens focus adjusted optimally? |
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out of focus | • Is the projection distance within the projector’s supported range? | |
•Is the projector’s screen placement angle tilted too far? 
•Are the sharpness or sampling phase adjustments off?
Colors too light | • Are the color, tint, |
Bad shading | • Is the screen dirty? |
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|
Remote control | • Is the remote control’s battery exhausted? |
doesn’t work | • Is the battery inserted into the remote control correctly? |
| • Is the remote control being used within the effective range? |
| • Are there any obstructions between the remote control and projector? |
| • Are there any fluorescent or other bright lights shining at the |
| projector’s infrared remote sensor? |
Others
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