Air Filter and Vent Maintenance .................................................................................................. 169
Cleaning the Air Filter and Vents............................................................................................. 169
Replacing the Air Filter............................................................................................................ 170
Projector Lamp Maintenance....................................................................................................... 175
Replacing the Lamp................................................................................................................ 175
Resetting the Lamp Timer....................................................................................................... 179
Replacing the Remote Control Batteries ..................................................................................... 180
Replacing the Pen Batteries........................................................................................................ 182
Replacing the Pen Tips................................................................................................................ 183
Transporting the Projector................................................................................................................ 184
Solving Problems.................................................................................................................................... 185
Projection Problem Tips ................................................................................................................... 185
Projector Light Status....................................................................................................................... 185
Using the Projector Help Displays.................................................................................................... 188
Solving Image or Sound Problems................................................................................................... 188
Solutions When No Image Appears............................................................................................. 189
Solutions When Image is Incorrect Using the USB Display Function .......................................... 190
Solutions When "No Signal" Message Appears........................................................................... 190
Displaying From a PC Laptop................................................................................................. 191
Displaying From a Mac Laptop ............................................................................................... 191
Solutions When "Not Supported" Message Appears................................................................... 191
Solutions When Only a Partial Image Appears............................................................................ 192
Solutions When the Image is Not Rectangular............................................................................ 192
Solutions When the Image Contains Noise or Static ................................................................... 193
Solutions When the Image is Fuzzy or Blurry.............................................................................. 193
Solutions When the Image Brightness or Colors are Incorrect.................................................... 194
Solutions When There is No Sound or Low Volume.................................................................... 195
Solutions to Microphone Problems.............................................................................................. 195
Solving Projector or Remote Control Operation Problems............................................................... 196
Solutions to Projector Power or Shut-Off Problems..................................................................... 196
Solutions to Problems with the Remote Control .......................................................................... 196
Solutions to Password Problems................................................................................................. 197
Solving Interactive Pen Problems .................................................................................................... 197
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