
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Cleaning the Lens........................................................................................................................ 157
Cleaning the Projector Case........................................................................................................ 158
Air Filter and Vent Maintenance .................................................................................................. 158
Replacing the Lamp ................................................................................................................ 162
Resetting the Lamp Timer....................................................................................................... 167
Projection Problem Tips ................................................................................................................... 171
Projector Light Status ....................................................................................................................... 172
Using the Projector Help Displays .................................................................................................... 175
Solving Image or Sound Problems ................................................................................................... 175
Solutions When No Image Appears............................................................................................. 176
Solutions When Image is Incorrect Using the USB Display Function .......................................... 177
Solutions When "No Signal" Message Appears........................................................................... 177
Solutions When No Image Appears on an External Monitor ........................................................ 179
Solutions When "Not Supported" Message Appears ................................................................... 179
Solutions When Only a Partial Image Appears ............................................................................ 179
Solutions When the Image is Not Rectangular ............................................................................ 180
Solutions When the Image Contains Noise or Static ................................................................... 181
Solutions When the Image is Fuzzy or Blurry .............................................................................. 181
Solutions When the Image Brightness or Colors are Incorrect .................................................... 182
Solutions to Sound Problems ...................................................................................................... 183