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7
Air Filter and Vent Maintenance .................................................................................................. 154
Cleaning the Air Filter and Vents............................................................................................. 155
Replacing the Air Filter............................................................................................................ 155
Projector Lamp Maintenance....................................................................................................... 157
Replacing the Lamp................................................................................................................ 158
Resetting the Lamp Timer....................................................................................................... 162
Replacing the Remote Control Batteries ..................................................................................... 163
Transporting the Projector................................................................................................................ 165
Solving Problems.................................................................................................................................... 166
Projection Problem Tips................................................................................................................... 166
Projector Light Status....................................................................................................................... 167
Using the Projector Help Displays.................................................................................................... 170
Solving Image or Sound Problems................................................................................................... 171
Solutions When No Image Appears............................................................................................. 171
Solutions When Image is Incorrect Using the USB Display Function .......................................... 172
Solutions When "No Signal" Message Appears........................................................................... 173
Displaying From a PC Laptop................................................................................................. 174
Displaying From a Mac Laptop ............................................................................................... 174
Solutions When "Not Supported" Message Appears................................................................... 174
Solutions When Only a Partial Image Appears............................................................................ 175
Solutions When the Image is Not Rectangular ............................................................................ 175
Solutions When the Image Contains Noise or Static ................................................................... 176
Solutions When the Image is Fuzzy or Blurry.............................................................................. 177
Solutions When the Image Brightness or Colors are Incorrect .................................................... 178
Solutions to Sound Problems ...................................................................................................... 178
Solving Projector or Remote Control Operation Problems............................................................... 179
Solutions to Projector Power or Shut-Off Problems..................................................................... 179
Solutions to Problems with the Remote Control........................................................................... 180
Solutions to Password Problems................................................................................................. 181
Solving Network Problems............................................................................................................... 181
Solutions When Wireless Authentication Fails ............................................................................ 182
Solutions When You Cannot Access the Projector Through the Web ......................................... 182
Solutions When You Cannot Connect Using Screen Mirroring.................................................... 183
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