My remote control does not work. What should I do?

• The lighting in the room or the angle you are pointing at may be affecting the infra-red signal from reaching the projector properly. Try replacing the batteries. Follow these steps to replace the battery:
  
  1. Press the tab towards the center of the remote and slide the battery tray out of the remote control.
  
  
  2. Remove the old battery and insert a CR2025 lithium watch battery as shown.
  
  
  3. Slide the battery tray back into the remote.