Dukane 8791HW User Manual page 70

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
NOTE
• Although bright spots or dark spots may appear on the screen, this
is a unique characteristic of liquid crystal displays, and it does not constitute or
imply a machine defect.
• The projector may make a rattling sound when tilted, moved or shaken, since
a flap to control the air flow inside of the projector has moved. Be aware that
this is not a failure or malfunction.
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